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	<title>Problemi e Soluzioni di un sistemista informatico &#187; Linux</title>
	<atom:link href="http://blog.maurizio.proietti.name/category/linux/feed/" rel="self" type="application/rss+xml" />
	<link>http://blog.maurizio.proietti.name</link>
	<description>Il blog tecnico di Maurizio Proietti a Prato 59100. Info e configurazioni linux microsoft</description>
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			<item>
		<title>Provvedimento del garante sugli Amministratori di sistema</title>
		<link>http://blog.maurizio.proietti.name/2009/10/29/provvedimento-del-garante-sugli-amministratori-di-sistema/</link>
		<comments>http://blog.maurizio.proietti.name/2009/10/29/provvedimento-del-garante-sugli-amministratori-di-sistema/#comments</comments>
		<pubDate>Thu, 29 Oct 2009 07:06:33 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Microsoft]]></category>
		<category><![CDATA[centos]]></category>
		<category><![CDATA[mysql]]></category>
		<category><![CDATA[oracle]]></category>
		<category><![CDATA[software]]></category>
		<category><![CDATA[windows]]></category>
		<category><![CDATA[59100]]></category>
		<category><![CDATA[AdS]]></category>
		<category><![CDATA[Amministratori di Sistema]]></category>
		<category><![CDATA[garante]]></category>
		<category><![CDATA[logserver]]></category>
		<category><![CDATA[prato]]></category>
		<category><![CDATA[privacy]]></category>
		<category><![CDATA[provvedimento]]></category>

		<guid isPermaLink="false">http://blog.maurizio.proietti.name/?p=404</guid>
		<description><![CDATA[Premetto che la ritengo una gran cagata&#8230; e completamente inutile, visto che i log NON HANNO ALCUN VALORE PROBATORIO!
Ma visto che dobbiamo adeguarci&#8230; cerchiamo di farlo a COSTO ZERO!
Io ho risolto (sto risolvendo) così:
Installo rsyslog con logging su file sul logserver
Su un server linux CentOs 5.*
yum install rsyslog*
vim /etc/sysconfig/rsyslog
sostituisco
SYSLOGD_OPTIONS=&#8221;-m  0&#8243;
con
SYSLOGD_OPTIONS=&#8221;-m 0 -r&#8221;
vim /etc/rsyslog.conf
###################################################
$template DynAuth, [...]]]></description>
			<content:encoded><![CDATA[<p>Premetto che <span style="text-decoration: line-through;">la ritengo una gran cagata&#8230; e completamente inutile, visto che</span> i log NON HANNO ALCUN VALORE PROBATORIO!</p>
<p>Ma visto che dobbiamo adeguarci&#8230; cerchiamo di farlo a COSTO ZERO!</p>
<p>Io ho risolto (sto risolvendo) così:</p>
<h2>Installo <strong>rsyslog</strong> con logging su file sul logserver</h2>
<p>Su un server <strong>linux CentOs 5.*</strong></p>
<div><span style="font-size: x-small; font-family: Arial;">yum install rsyslog*</span></div>
<div><span style="font-size: x-small; font-family: Arial;">vim /etc/sysconfig/rsyslog</span></div>
<div><span style="font-size: x-small; font-family: Arial;">sostituisco</span></div>
<div><span style="font-size: x-small; font-family: Arial;">SYSLOGD_OPTIONS=&#8221;-m  0&#8243;<br />
con<br />
SYSLOGD_OPTIONS=&#8221;-m 0 -r&#8221;</span></div>
<div><span style="font-size: x-small; font-family: Arial;">vim /etc/rsyslog.conf</span></div>
<div>###################################################</div>
<div><span style="font-size: x-small; font-family: Arial;">$template DynAuth, &#8220;/var/log/TUTTI/%$MONTH%/%$DAY%/%FROMHOST%.log&#8221;<br />
local1.*,user.*,auth.*,authpriv.*,kern.* ?DynAuth<br />
$EscapeControlCharactersOnReceive off<br />
%msg:::space-cc%<br />
*.info;mail.none;authpriv.none;cron.none                /var/log/messages<br />
authpriv.*                                              /var/log/secure<br />
mail.*                                                  -/var/log/maillog<br />
cron.*                                                  /var/log/cron<br />
*.emerg                                                 *<br />
uucp,news.crit                                          /var/log/spooler<br />
local7.*                                                /var/log/boot.log<br />
local3.*                                                /var/log/varie.log</span></div>
<div>###################################################</div>
<div>vedi<span style="font-size: x-small; font-family: Arial;"><a title="http://openskill.info/infobox.php?ID=1475" href="http://openskill.info/infobox.php?ID=1475"> http://openskill.info/infobox.php?ID=1475</a></span></div>
<div>
<h2>Abilitare il logging su tutti i server linux</h2>
<p>Su un qualsiasi server <strong>linux</strong></p>
</div>
<div>cat /etc/syslog.conf</p>
<p>auth.*;authpriv.*;local1.*          @logserver.dominio</p>
</div>
<div>Su ogni server devo poi creare utenti PERSONALI da assegnare a tutti gli AdS:</div>
<div>useradd -G wheel -m -s /bin/bash username</div>
<div>passwd username</div>
<div>Aggiungo</div>
<div>AllowUsers username</div>
<div>in /etc/ssh/sshd_config</div>
<div>lancio</div>
<div>visudo</div>
<div>e aggiungo o decommento la riga seguente:</div>
<div>%wheel  ALL=(ALL)       ALL</div>
<div>In questo modo gli AdS dovranno loggarsi con il loro account ed usare sudo</div>
<div>(consiglio il sudo -i o sudo -u per diventare root)</div>
<div>Il vantaggio dell&#8217;uso di sudo sta nel fatto che ho potuto cambiare password a root e metterla in cassaforte senza la necessità di comunicarla a tutti gli AdS (dato che sudo permette di diventare root inserendo la propria password)</div>
<div>
<h2>Abilitare il logging su Oracle 9i</h2>
</div>
<div><span style="font-size: x-small; font-family: Arial;">mkdir /var/log/oracle/<br />
chown -R oracle:dba /var/log/oracle/<br />
SHOW  PARAMETER audit<br />
ALTER SYSTEM SET audit_trail=OS SCOPE=SPFILE;<br />
ALTER  SYSTEM SET audit_sys_operations=TRUE SCOPE=SPFILE;<br />
ALTER SYSTEM SET  audit_file_dest=&#8221;/var/log/oracle&#8221; SCOPE=SPFILE;<br />
AUDIT SESSION;<br />
SHUTDOWN  IMMEDIATE<br />
startup</span></div>
<div>Occorre poi creare un cron sul logserver che filtra solo i login/logout  e prelevi i risultati.</div>
<div>Nella ver 9i infatti non è possibile inviare i log a un remote syslog</div>
<div>
<h2>Abilitare il logging su Postgres<span style="font-size: x-small; font-family: Arial;"> </span></h2>
<p><span style="font-size: x-small;"><span style="font-family: Arial;">Modifico<br />
/usr/local/pgsql/data/postgresql.conf<br />
come segue:</span></span></p>
<p><span style="font-size: x-small;"><span style="font-family: Arial;">log_destination = &#8217;syslog&#8217;</span></span></p>
<div><span style="font-size: x-small; font-family: Arial;">syslog_facility = &#8216;LOCAL1&#8242;<br />
syslog_ident = &#8216;postgres&#8217;</span></div>
<div><span style="font-size: x-small; font-family: Arial;"> </span></div>
<div><span style="font-size: x-small; font-family: Arial;">log_connections = true<br />
log_disconnections = true<br />
log_duration =  true</span></div>
</div>
<div><span style="font-size: x-small; font-family: Arial;">log_hostname = true</span></div>
<div>
<h2>Abilitare il logging su MySql</h2>
</div>
<div>Dato che mysql non supporta la scrittura di log su syslog si può risolvere nel seguente modo:</p>
<p>Nel file<br />
/etc/my.cnf</p>
<p>nella sezione<br />
[mysqld]</p>
<p>aggiungo<br />
log=/var/log/mysql.log</p>
<p>Poi lancio all&#8217;avvio il seguente comando:</p>
<p><span style="text-decoration: line-through;">tail -f /var/log/mysql.log | egrep &#8216;Connect|Quit&#8217; | logger -p LOCAL1.info -t mysql &amp;</span></p>
<p>(ringrazio Stefano Coletta (http://www.mindcreations.com/) per la precisazione:</p>
<p><em>l’egrep va corredato dall’opzione –line-buffered altrimenti non funziona  correttamente</em>)</p>
<p>tail -f /var/log/mysql.log | egrep –line-buffered &#8216;Connect|Quit&#8217; | logger -p  LOCAL1.info -t mysql &amp;</p>
<p>e lo salvo nell&#8217; rc.local</p>
<p>e lo metto anche nella sezione <strong>postrotate </strong>del <strong>logrotate </strong>in<br />
/etc/logrotate.d/mysql-log-rotate</p>
<p>Altrimenti, come suggeritomi dal buon <em>Alessandro Corbelli</em> di <em><a href="http://www.web4web.it"><span class="moz-txt-link-abbreviated">www.web4web.it</span></a></em> si possono usare le named pipe:</p>
<p><a href="http://www.linuxjournal.com/article/2156">http://www.linuxjournal.com/article/2156</a></p>
<p><a href="http://www.linuxjournal.com/content/using-named-pipes-fifos-bash">http://www.linuxjournal.com/content/using-named-pipes-fifos-bash</a></p>
<p><em>Non loggo tutto su file ma ho creato una named pipe ed in inittab ho inserito, in respawn, uno script<span> </span> così composto<span> </span></em></p>
<p><em><span> </span>while [ true ]; do<br />
tail -f &lt;namedpipe&gt; | egrep &#8216;Connect|Quit&#8217; | logger&#8230;<br />
done</em></p>
<p><em>Le prestazioni sono &#8216;abbastanza&#8217; decenti.<br />
Il while sarebbe anche superfluo&#8230;</em></p>
<p>Occorre fare attenzione a un particolare:</p>
<p><strong>Se si utilizza la named pipe con lo script in inittab, nello script NON deve esserci il tail, ma il cat.</strong></p>
<p><strong>Quindi lo script diventa:</strong></p>
<p>while [ true ]; do<br />
<strong>cat</strong> &lt;namedpipe&gt; | egrep &#8216;Connect|Quit&#8217; | logger -p LOCAL1.info -t mysql<br />
done</p>
<p><em><br />
</em></p>
</div>
<div>
<h2>Abilitare il logging sui server Windows</h2>
<p>Sui server <strong>windows</strong></p>
</div>
<div>
<p>Ho usato snare:</p>
<p>SnareSetup-3.1.5-MultiArch.exe</p>
<p><a href="http://www.intersectalliance.com/projects/SnareWindows/index.html">http://www.intersectalliance.com/projects/SnareWindows/index.html</a></p>
<p>Come “Destination snare server address” ho messo lo stesso ip del log server e come porta la 514</p>
<h2>Abilitare il logging su Exchange</h2>
<div>Per abilitare il logging sel mailserver:</p>
<p><strong>Gestore sistema Exchange</strong> -&gt; Gruppi amministrativi -&gt; &lt;nome&gt;  -&gt; server -&gt; NomeServer -&gt; tasto dx sul server -&gt; registrazione Diagnostica<br />
-&gt; MSExchangeIS -&gt; private o cassetta postale -&gt; Accessi = minima; Controllo accessi = minima (oppure logons=minima e access control = minima)</p>
<p>Poi su <strong>snare</strong>:<br />
Creo un nuovo oggetto:<br />
Identify the high level event = Any event(s)<br />
Event ID Search Term = 1009,1016,1013,1029<br />
General Search Term = *<br />
Select the User Match Type = Include<br />
User Search Term = *admin*<br />
Identify the event types to be captured = Success Audit + Failure Audit<br />
Identify the event logs = Security  + Application<br />
Select the Alert Level = Critical</p>
</div>
<div>
<h2>Abilitare il logging sul FileServer</h2>
</div>
<div>Creo un nuovo oggetto:<br />
Identify the high level event = Any event(s)<br />
Event ID Search Term = 538,540,552,551,682,683,528<br />
General Search Term = *<br />
Select the User Match Type = Include<br />
User Search Term = *admin*<br />
Identify the event types to be captured = TUTTI<br />
Identify the event logs = Security<br />
Select the Alert Level = Critical</div>
<h2>Immodificabilità dei log</h2>
<p>Ogni notte, sul logserver, parte un cron che mi crea un md5 di tutti i file di log</p>
<p>Lo chiamo Z_calcola_md5.sh in modo che il cron lo chiama da ultimo DOPO il logrotate</p>
<p>cat /etc/cron.daily/Z_calcola_md5.sh</p>
<p>########################################<br />
#!/bin/bash<br />
TMP=`/bin/date &#8211;date=&#8217;1 days ago&#8217; +%m/%d`<br />
FILE_NAME=&#8221;MD5-`/bin/date &#8211;date=&#8217;1 days ago&#8217; +%m-%d`.md5&#8243;<br />
DEST_DIR01=&#8221;/var/log/TUTTI&#8221;<br />
DEST_DIR=&#8221;$DEST_DIR01/$TMP/&#8221;<br />
MD5_DIR=&#8221;/var/log/TUTTI/MD5/&#8221;<br />
cd $MD5_DIR<br />
find  $DEST_DIR  -type f -exec md5sum {} \;  &gt; $FILE_NAME<br />
#########################################</p>
<p>A questo punto posso creare un tar.gz e salvare i log su un dvd o effettuarne un backup</p>
</div>
<div id="_mcePaste" style="overflow: hidden; position: absolute; left: -10000px; top: 1995px; width: 1px; height: 1px;">
<p><a href="http://www.linuxjournal.com/article/2156">http://www.linuxjournal.com/article/2156</a></p>
<p><a href="http://www.linuxjournal.com/content/using-named-pipes-fifos-bash">http://www.linuxjournal.com/content/using-named-pipes-fifos-bash</a></p>
</div>
<p><a class="a2a_dd addtoany_share_save" href="http://www.addtoany.com/share_save"><img src="http://blog.maurizio.proietti.name/wp-content/plugins/add-to-any/share_save_120_16.png" width="120" height="16" alt="Share/Bookmark"/></a> </p>]]></content:encoded>
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		<slash:comments>80</slash:comments>
		</item>
		<item>
		<title>Ripristino restore di un server con BackupPc</title>
		<link>http://blog.maurizio.proietti.name/2009/10/28/ripristino-restore-di-un-server-con-backuppc/</link>
		<comments>http://blog.maurizio.proietti.name/2009/10/28/ripristino-restore-di-un-server-con-backuppc/#comments</comments>
		<pubDate>Wed, 28 Oct 2009 10:35:11 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[centos]]></category>
		<category><![CDATA[backup]]></category>
		<category><![CDATA[backuppc]]></category>
		<category><![CDATA[prato]]></category>
		<category><![CDATA[restore]]></category>
		<category><![CDATA[sistemista]]></category>

		<guid isPermaLink="false">http://blog.maurizio.proietti.name/?p=436</guid>
		<description><![CDATA[Installazione di una Distro linux &#8220;simile&#8221; a quella da ripristinare
Nelle mie prove ho installato, sulla macchina su cui eseguire il ripristino, la stessa ver. di distribuaione linux della macchina da ripristinare e tutto è andato a buon fine
Ho notato che la presenza del kudzu (riconoscimento hardware) è molto utile.
Conviene, quindi, in questa fase, installare kudzu [...]]]></description>
			<content:encoded><![CDATA[<p><strong>Installazione di una Distro linux &#8220;simile&#8221; a quella da ripristinare</strong><br />
Nelle mie prove ho installato, sulla macchina su cui eseguire il ripristino, la stessa ver. di distribuaione linux della macchina da ripristinare e tutto è andato a buon fine<br />
Ho notato che la presenza del kudzu (riconoscimento hardware) è molto utile.<br />
Conviene, quindi, in questa fase, installare kudzu e farlo partire al boot</p>
<p><strong>Copia di alcuni file originali</strong><br />
I seguenti file/cartelle sono necessari per il primo boot successivo al ripristino e quindi ne salvo una copia</p>
<p>cp -r /boot /boot.ORIG<br />
cp /etc/grub.conf /etc/grub.conf.ORIG<br />
cp /etc /fstab /etc /fstab.ORIG<br />
cp /etc /mtab /etc /mtab.ORIG<br />
cp /etc/modprobe.conf /etc/modprobe.conf.ORIG<br />
<strong> Installare e configurare rsyncd</strong><br />
Sulle CentOS:<br />
yum install rsync rsyncd xinetd<br />
vim /etc/rsyncd.conf<br />
##################################<br />
[root]<br />
comment = root area<br />
path = /<br />
read only = no<br />
list = yes<br />
uid = root<br />
gid = root<br />
hosts allow = 127.0.0.0/8 10.100.100.14/32 10.100.100.0/24<br />
##################################</p>
<p>/etc/init.d/xinetd restart</p>
<p>controllare che la porta 873 sia in ascolto</p>
<p><strong>Eseguo il ripristino da BackupPc</strong><br />
Configuro la macchina su cui devo eseguire il ripristino come se fosse una macchina da backuppare.<br />
[Nel nostro backuppc esiste già una macchina che si chiama "test" configurata sull'ip 10.100.100.3 che serve per i ripristini ]<br />
Mi collego sul profilo della macchina da ripristinare -&gt; naviga nel backup -&gt; seleziona tutto ripristina<br />
Ripristino dei file sull&#8217;host -&gt; Scegliere la macchina SU CUI ESEGUIRE IL RIPRISTINO (test)<br />
Ripristino dei file sulla condivisione -&gt; root<br />
Ripristino dei file al di sotto della directory (relativa alla condivisione)  -&gt; /<br />
Ed avvio il ripristino (che ci mette una vita!)</p>
<p><strong> Operazioni Post-Ripristino</strong><br />
Finito il ripristino mi collego alla macchina appena restorata e ri-copio i file originali:</p>
<p>cp -r /boot /boot.RECOVERY<br />
cp /etc/grub.conf /etc/grub.conf.RECOVERY<br />
cp /etc /fstab /etc /fstab.RECOVERY<br />
cp /etc /mtab /etc /mtab.RECOVERY<br />
cp /etc/modprobe.conf /etc/modprobe.conf.RECOVERY</p>
<p>cp -r /boot.ORIG /boot<br />
cp /etc/grub.conf.ORIG /etc/grub.conf<br />
cp /etc/fstab.ORIG /etc/fstab<br />
cp /etc/mtab.ORIG /etc/mtab<br />
cp /etc/modprobe.conf.ORIG /etc/modprobe.conf</p>
<p>a questo punto re-installo il grub:</p>
<p>grub-install –-recheck /dev/sda</p>
<p>[Nota:<br />
in realtà nella prova che ho fatto le operazioni appena descritte le ho fatte da una slax live con la seguente procedura:</p>
<p>loadkeys it<br />
mount -o bind /dev /mnt/sda1/dev<br />
mount -t proc none /mnt/sda1/proc<br />
chroot /mnt/sda1 /bin/bash<br />
grub-install /dev/sda</p>
<p>SE GRUB DA ERRORE<br />
/dev/sda1 does not have any corresponding BIOS drive.</p>
<p>allora usa il seguente comando:<br />
grub-install –recheck /dev/sda<br />
]</p>
<p>Riavviare il server e configurarlo correttamente in rete</p>
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		</item>
		<item>
		<title>Problemi con grub &#8211; Risolverli con slax</title>
		<link>http://blog.maurizio.proietti.name/2009/09/14/problemi-con-grub-risolverli-con-slax/</link>
		<comments>http://blog.maurizio.proietti.name/2009/09/14/problemi-con-grub-risolverli-con-slax/#comments</comments>
		<pubDate>Mon, 14 Sep 2009 07:19:07 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[slackware]]></category>
		<category><![CDATA[slackware 12]]></category>
		<category><![CDATA[grub]]></category>
		<category><![CDATA[prato]]></category>
		<category><![CDATA[sistemista]]></category>
		<category><![CDATA[slax]]></category>

		<guid isPermaLink="false">http://blog.maurizio.proietti.name/?p=397</guid>
		<description><![CDATA[loadkeys it
mount -o bind /dev /mnt/sda1/dev
mount -t proc none /mnt/sda1/proc
chroot /mnt/sda1 /bin/bash
grub-install /dev/sda
/usr/sbin/update-grub
SE GRUB DA ERRORE
/dev/sda1 does not have any corresponding BIOS drive.
allora usa il seguente comando:
grub-install &#8211;recheck /dev/sda
]]></description>
			<content:encoded><![CDATA[<p>loadkeys it<br />
mount -o bind /dev /mnt/sda1/dev<br />
mount -t proc none /mnt/sda1/proc<br />
chroot /mnt/sda1 /bin/bash<br />
grub-install /dev/sda<br />
/usr/sbin/update-grub</p>
<p>SE GRUB DA ERRORE<br />
/dev/sda1 does not have any corresponding BIOS drive.</p>
<p>allora usa il seguente comando:<br />
grub-install &#8211;recheck /dev/sda</p>
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		</item>
		<item>
		<title>Slack &#8211; disabilitare il visual mode di vim</title>
		<link>http://blog.maurizio.proietti.name/2009/09/11/slack-disabilitare-il-visual-mode-di-vim/</link>
		<comments>http://blog.maurizio.proietti.name/2009/09/11/slack-disabilitare-il-visual-mode-di-vim/#comments</comments>
		<pubDate>Fri, 11 Sep 2009 08:10:44 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[slackware]]></category>
		<category><![CDATA[slackware 12]]></category>
		<category><![CDATA[prato]]></category>
		<category><![CDATA[sistemista]]></category>
		<category><![CDATA[vi]]></category>
		<category><![CDATA[vim]]></category>

		<guid isPermaLink="false">http://blog.maurizio.proietti.name/?p=385</guid>
		<description><![CDATA[nel
~/.vimrc
modifica
mouse = a
in
mouse = r
]]></description>
			<content:encoded><![CDATA[<p>nel</p>
<p>~/.vimrc</p>
<p>modifica</p>
<p>mouse = a</p>
<p>in</p>
<p>mouse = r</p>
<p><a class="a2a_dd addtoany_share_save" href="http://www.addtoany.com/share_save"><img src="http://blog.maurizio.proietti.name/wp-content/plugins/add-to-any/share_save_120_16.png" width="120" height="16" alt="Share/Bookmark"/></a> </p>]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Libnet questa introvabile sconosciuta</title>
		<link>http://blog.maurizio.proietti.name/2009/07/23/libnet-questa-introvabile-sconosciuta/</link>
		<comments>http://blog.maurizio.proietti.name/2009/07/23/libnet-questa-introvabile-sconosciuta/#comments</comments>
		<pubDate>Thu, 23 Jul 2009 06:37:56 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[slackware 12]]></category>
		<category><![CDATA[software]]></category>
		<category><![CDATA[find]]></category>
		<category><![CDATA[libnet]]></category>
		<category><![CDATA[prato]]></category>
		<category><![CDATA[sistemista]]></category>

		<guid isPermaLink="false">http://blog.maurizio.proietti.name/?p=382</guid>
		<description><![CDATA[Dato che per compilare snort serve libnet 1.02a
Dato che il sito di riferimento (http://www.packetfactory.net/projects/libnet/) non è raggiungibile
Ho trovato il pacchetto in questo sito:
http://www.filewatcher.com/m/libnet-1.0.2a.tar.gz.140191.0.0.html
e per sicurezza ne allego una copia quilibnet-102a
]]></description>
			<content:encoded><![CDATA[<p>Dato che per compilare snort serve libnet 1.02a<br />
Dato che il sito di riferimento (http://www.packetfactory.net/projects/libnet/) non è raggiungibile<br />
Ho trovato il pacchetto in questo sito:</p>
<p>http://www.filewatcher.com/m/libnet-1.0.2a.tar.gz.140191.0.0.html</p>
<p>e per sicurezza ne allego una copia qui<a href='http://blog.maurizio.proietti.name/wp-content/uploads/2009/07/libnet-102atar.gz'>libnet-102a</a></p>
<p><a class="a2a_dd addtoany_share_save" href="http://www.addtoany.com/share_save"><img src="http://blog.maurizio.proietti.name/wp-content/plugins/add-to-any/share_save_120_16.png" width="120" height="16" alt="Share/Bookmark"/></a> </p>]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>madwifi-ng driver on fedora 8 and packet lost</title>
		<link>http://blog.maurizio.proietti.name/2009/06/01/madwifi-ng-driver-on-fedora-8-and-packet-lost/</link>
		<comments>http://blog.maurizio.proietti.name/2009/06/01/madwifi-ng-driver-on-fedora-8-and-packet-lost/#comments</comments>
		<pubDate>Mon, 01 Jun 2009 16:56:15 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[fedora]]></category>
		<category><![CDATA[laptop]]></category>
		<category><![CDATA[notebook]]></category>
		<category><![CDATA[rete]]></category>
		<category><![CDATA[wifi]]></category>
		<category><![CDATA[wireless]]></category>
		<category><![CDATA[driver]]></category>
		<category><![CDATA[prato]]></category>
		<category><![CDATA[sistemista]]></category>

		<guid isPermaLink="false">http://blog.maurizio.proietti.name/?p=370</guid>
		<description><![CDATA[Questi i passi necessari:
svn checkout http://svn.madwifi-project.org/madwifi/trunk/ madwifi-ng
madwifi-unload
cd madwifi-ng
make clean &#38;&#38; make &#38;&#38; make install
modprobe ath_pci
depmod -ae
iwconfig wlan0 essid wlan rate 11M
A questo punto ad ogni ping perdevo molti pacchetti. Per risolvere:
iwpriv wlan0 mode 2
in modo da forzare il funzionamento in 802.11b
Adesso tutto funziona!
]]></description>
			<content:encoded><![CDATA[<p>Questi i passi necessari:</p>
<p>svn checkout http://svn.madwifi-project.org/madwifi/trunk/ madwifi-ng</p>
<p>madwifi-unload</p>
<p>cd madwifi-ng</p>
<p>make clean &amp;&amp; make &amp;&amp; make install</p>
<p>modprobe ath_pci</p>
<p>depmod -ae</p>
<p>iwconfig wlan0 essid wlan rate 11M</p>
<p>A questo punto ad ogni ping perdevo molti pacchetti. Per risolvere:</p>
<p>iwpriv wlan0 mode 2</p>
<p>in modo da forzare il funzionamento in 802.11b</p>
<p>Adesso tutto funziona!</p>
<p><a class="a2a_dd addtoany_share_save" href="http://www.addtoany.com/share_save"><img src="http://blog.maurizio.proietti.name/wp-content/plugins/add-to-any/share_save_120_16.png" width="120" height="16" alt="Share/Bookmark"/></a> </p>]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>JoomlaFAP installazione e accessibilità</title>
		<link>http://blog.maurizio.proietti.name/2009/05/29/joomlafap-installazione-e-accessibilita/</link>
		<comments>http://blog.maurizio.proietti.name/2009/05/29/joomlafap-installazione-e-accessibilita/#comments</comments>
		<pubDate>Fri, 29 May 2009 06:55:24 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[configurazione]]></category>
		<category><![CDATA[software]]></category>
		<category><![CDATA[accessibilità]]></category>
		<category><![CDATA[joomla]]></category>
		<category><![CDATA[joomlafap]]></category>
		<category><![CDATA[prato]]></category>
		<category><![CDATA[sistemista]]></category>
		<category><![CDATA[template]]></category>

		<guid isPermaLink="false">http://blog.maurizio.proietti.name/?p=359</guid>
		<description><![CDATA[Intro
Prima di tutto occorre ringraziare per il MERAVIGLIOSO progetto e agiungere i corretti riferimenti
Sito del progetto: http://joomlacode.org/gf/project/joomlafap1_5
Download: http://joomlacode.org/gf/project/joomlafap1_5/frs/
Segnalazioni di errore su: http://joomlacode.org/gf/project/joomlafap1_5/tracker/
Le istruzioni sono nei video tutorial: http://joomlacode.org/gf/project/joomlafap1_5/docman/?subdir=466
Installazione e configurazione
Scarica joomla 1.5 &#8211; Joomla_1.5.10_ita-Stable.tgz e esegui l&#8217;installazione
Scarica il template
 http://joomlacode.org/gf/download/frsrelease/9169/34135/tpl_accessible_81.zip
da qui
 http://joomlacode.org/gf/project/joomlafap1_5/frs/?action=FrsReleaseBrowse&#38;frs_package_id=3542
oppure usa quello allegato che è modificato da me copiandolo nella root del sito [...]]]></description>
			<content:encoded><![CDATA[<p><strong>Intro</strong><br />
Prima di tutto occorre ringraziare per il MERAVIGLIOSO progetto e agiungere i corretti riferimenti<br />
Sito del progetto: http://joomlacode.org/gf/project/joomlafap1_5</p>
<p>Download: http://joomlacode.org/gf/project/joomlafap1_5/frs/</p>
<p>Segnalazioni di errore su: http://joomlacode.org/gf/project/joomlafap1_5/tracker/</p>
<p>Le istruzioni sono nei video tutorial: http://joomlacode.org/gf/project/joomlafap1_5/docman/?subdir=466</p>
<p><strong>Installazione e configurazione</strong></p>
<p>Scarica joomla 1.5 &#8211; Joomla_1.5.10_ita-Stable.tgz e esegui l&#8217;installazione</p>
<p>Scarica il template<br />
<a href="http://joomlacode.org/gf/download/frsrelease/9169/34135/tpl_accessible_81.zip" target="_blank"> http://joomlacode.org/gf/download/frsrelease/9169/34135/tpl_accessible_81.zip</a><br />
da qui<br />
<a href="http://joomlacode.org/gf/project/joomlafap1_5/frs/?action=FrsReleaseBrowse&amp;frs_package_id=3542" target="_blank"> http://joomlacode.org/gf/project/joomlafap1_5/frs/?action=FrsReleaseBrowse&amp;frs_package_id=3542</a></p>
<p>oppure usa quello allegato che è modificato da me copiandolo nella root del sito ed estraendolo lì con tar -zxvf template&#8230;.)</p>
<p><a href="http://blog.maurizio.proietti.name/wp-content/uploads/2009/05/template-maox-accessibiletar.gz">template-maox-accessibiletar</a></p>
<p>scarica il modulo per le access-key da qui<br />
<a href="http://joomlacode.org/gf/project/joomlafap1_5/frs/?action=FrsReleaseBrowse&amp;frs_package_id=3543" target="_blank"> http://joomlacode.org/gf/project/joomlafap1_5/frs/?action=FrsReleaseBrowse&amp;frs_package_id=3543</a></p>
<p>attualmente è il seguente:<br />
<a href="http://joomlacode.org/gf/download/frsrelease/9022/33465/com_accesskeys_77.zip" target="_blank"> http://joomlacode.org/gf/download/frsrelease/9022/33465/com_accesskeys_77.zip</a></p>
<p>Poi scarica le patch del core da qui<br />
<a href="http://joomlacode.org/gf/project/joomlafap1_5/scmsvn/?action=browse&amp;path=%2Fcorepatches%2F" target="_blank">http://joomlacode.org/gf/project/joomlafap1_5/scmsvn/?action=browse&amp;path=%2Fcorepatches%2F</a></p>
<p>basta il file delle differenze:<br />
joomla_fap_15_2009-03-29.diff</p>
<p>oppure, su linux (dopo aver installato subversion) creare una dir<br />
temporanea:<br />
mkdir tmp<br />
cd tmp<br />
svn checkout &#8211;username anonymous http://joomlacode.org/svn/joomlafap1_5/corepatches/<br />
password: anonymous</p>
<p>copiare il file delle differenze nella root del sito:<br />
cp joomla_fap_15_2009-03-29.diff ../</p>
<p>ed eseguire la patch:<br />
patch -p0 &lt; joomla_fap_15_2009-03-29.diff</p>
<p>Adesso copiare nella root del sito i 3 file delle differenze allegati di seguito ed<br />
eseguire:<br />
(serve x passare la validazione dell&#8217;xhtml)</p>
<p><a href="http://blog.maurizio.proietti.name/wp-content/uploads/2009/05/maoxcom_contact.diff">maoxcom_contact</a></p>
<p><a href="http://blog.maurizio.proietti.name/wp-content/uploads/2009/05/maoxcom_newsfeeds.diff">maoxcom_newsfeeds</a></p>
<p><a href="http://blog.maurizio.proietti.name/wp-content/uploads/2009/05/maoxcom_weblinks.diff">maoxcom_weblinks</a></p>
<p>patch -p0 &lt; MaoX.com_newsfeeds.diff<br />
patch -p0 &lt; MaoX.com_weblinks.diff<br />
patch -p0 &lt; MaoX.com_contact.diff</p>
<p>Nella sezione amministrativa:</p>
<p>modificare il Top Menu (sezione moduli) come nelle immagini allegate di seguito</p>
<p><a href="http://blog.maurizio.proietti.name/wp-content/uploads/2009/05/menu_top01.jpg"><img class="alignnone size-medium wp-image-363" title="menu_top01" src="http://blog.maurizio.proietti.name/wp-content/uploads/2009/05/menu_top01-300x91.jpg" alt="" width="300" height="91" /></a></p>
<p><a href="http://blog.maurizio.proietti.name/wp-content/uploads/2009/05/menu_top02.jpg"><img class="alignnone size-medium wp-image-364" title="menu_top02" src="http://blog.maurizio.proietti.name/wp-content/uploads/2009/05/menu_top02-300x94.jpg" alt="" width="300" height="94" /></a></p>
<p>Installare il componente access_key<br />
Settare il template accessibile come predefinito.</p>
<p>Il risultato può essere visualizzato qui:</p>
<p><a href="http://portale-energia.provincia.prato.it/" target="_blank">http://portale-energia.provincia.prato.it/</a></p>
<p><a class="a2a_dd addtoany_share_save" href="http://www.addtoany.com/share_save"><img src="http://blog.maurizio.proietti.name/wp-content/plugins/add-to-any/share_save_120_16.png" width="120" height="16" alt="Share/Bookmark"/></a> </p>]]></content:encoded>
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		<slash:comments>3</slash:comments>
		</item>
		<item>
		<title>VMWare esxi &#8211; installare vmware tools su una slackware 12.2</title>
		<link>http://blog.maurizio.proietti.name/2009/02/25/vmware-esxi-installare-vmware-tools-su-una-slackware-122/</link>
		<comments>http://blog.maurizio.proietti.name/2009/02/25/vmware-esxi-installare-vmware-tools-su-una-slackware-122/#comments</comments>
		<pubDate>Wed, 25 Feb 2009 11:13:05 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Microsoft]]></category>
		<category><![CDATA[configurazione]]></category>
		<category><![CDATA[slackware]]></category>
		<category><![CDATA[slackware 12]]></category>
		<category><![CDATA[vmware]]></category>
		<category><![CDATA[prato]]></category>
		<category><![CDATA[sistemista]]></category>
		<category><![CDATA[windows]]></category>

		<guid isPermaLink="false">http://blog.maurizio.proietti.name/?p=348</guid>
		<description><![CDATA[Questa è una guida per installare i VMWare Tools su Slackware 12.2
Questi sono i passaggi da seguire:

links "http://prdownloads.sourceforge.net/libdnet/libdnet-1.11.tar.gz?download"
tar -zxvf libdnet-1.11.tar.gz
cd libdnet-1.11
./configure
make &#038;&#038; make install &#038;&#038; ldconfig
wget http://download.icu-project.org/files/icu4c/4.0.1/icu4c-4_0_1-src.tgz
wget http://slackbuilds.org/slackbuilds/12.2/libraries/icu4c.tar.gz
tar -zxvf icu4c-4_0_1-src.tgz
tar -zxvf icu4c.tar.gz
cd icu4c
mv ../icu4c-4_0_1-src.tgz ./
./icu4c.SlackBuild
mv /tmp/icu4c-4.0.1-i486-1_SBo.tgz /root/
installpkg ./icu4c-4.0.1-i486-1_SBo.tgz
wget http://mesh.dl.sourceforge.net/sourceforge/open-vm-tools/open-vm-tools-2009.02.18-148847.tar.gz
tar -zxvf open-vm-tools-2009.02.18-148847.tar.gz
cd open-vm-tools-2009.02.18-148847
./configure --includedir=/usr/include/uriparser --without-x --without-icu
make

Dalla VIM cliccare su Inventory-> Virtual Machine -> Install VMware Tools
tornare [...]]]></description>
			<content:encoded><![CDATA[<p>Questa è una guida per installare i VMWare Tools su Slackware 12.2</p>
<p>Questi sono i passaggi da seguire:</p>
<p><code><br />
links "http://prdownloads.sourceforge.net/libdnet/libdnet-1.11.tar.gz?download"<br />
tar -zxvf libdnet-1.11.tar.gz<br />
cd libdnet-1.11<br />
./configure<br />
make &#038;&#038; make install &#038;&#038; ldconfig<br />
wget http://download.icu-project.org/files/icu4c/4.0.1/icu4c-4_0_1-src.tgz<br />
wget http://slackbuilds.org/slackbuilds/12.2/libraries/icu4c.tar.gz<br />
tar -zxvf icu4c-4_0_1-src.tgz<br />
tar -zxvf icu4c.tar.gz<br />
cd icu4c<br />
mv ../icu4c-4_0_1-src.tgz ./<br />
./icu4c.SlackBuild<br />
mv /tmp/icu4c-4.0.1-i486-1_SBo.tgz /root/<br />
installpkg ./icu4c-4.0.1-i486-1_SBo.tgz<br />
wget http://mesh.dl.sourceforge.net/sourceforge/open-vm-tools/open-vm-tools-2009.02.18-148847.tar.gz<br />
tar -zxvf open-vm-tools-2009.02.18-148847.tar.gz<br />
cd open-vm-tools-2009.02.18-148847<br />
./configure --includedir=/usr/include/uriparser --without-x --without-icu<br />
make<br />
</code></p>
<p>Dalla VIM cliccare su Inventory-> Virtual Machine -> Install VMware Tools<br />
tornare sulla console</p>
<p><code><br />
mount /mnt/cdrom<br />
cp /mnt/cdrom/VMwareTools-3.5.0-123629.tar.gz /root/<br />
tar -zxvf VMwareTools-3.5.0-123629.tar.gz<br />
cd open-vm-tools-2009.02.18-148847/modules/linux/<br />
for i in *; do sudo mv ${i} ${i}-only; tar -cf ${i}.tar ${i}-only; done<br />
cp *.tar /root/vmware-tools-distrib/lib/modules/source/<br />
cd /root/vmware-tools-distrib/<br />
mkdir /etc/pam.d<br />
touch /etc/rc.d/init.d/network<br />
ifconfig eth0 down<br />
ifconfig eth1 down<br />
ifconfig eth2 down<br />
rmmod pcnet32<br />
./vmware-install.pl<br />
vmware-config-tools.pl<br />
</code></p>
<p>Ringrazio marcpem per <a href="http://ubuntuforums.org/showthread.php?t=987631">l&#8217;how to originale</a></p>
<p>Spero sia di aiuto a tutti.<br />
Saluti</p>
<p><a class="a2a_dd addtoany_share_save" href="http://www.addtoany.com/share_save"><img src="http://blog.maurizio.proietti.name/wp-content/plugins/add-to-any/share_save_120_16.png" width="120" height="16" alt="Share/Bookmark"/></a> </p>]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Error &#8211; mount nfs from linux client to windows server</title>
		<link>http://blog.maurizio.proietti.name/2009/02/24/error-mount-nfs-from-linux-client-to-windows-server/</link>
		<comments>http://blog.maurizio.proietti.name/2009/02/24/error-mount-nfs-from-linux-client-to-windows-server/#comments</comments>
		<pubDate>Tue, 24 Feb 2009 08:00:05 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Microsoft]]></category>
		<category><![CDATA[centos]]></category>
		<category><![CDATA[fedora]]></category>
		<category><![CDATA[fedora 7]]></category>
		<category><![CDATA[rete]]></category>
		<category><![CDATA[slackware]]></category>
		<category><![CDATA[slackware 12]]></category>
		<category><![CDATA[windows 2003 server]]></category>

		<guid isPermaLink="false">http://blog.maurizio.proietti.name/?p=342</guid>
		<description><![CDATA[Ho avuto un problema con il mount di una share nfs windows server 2003 r2 da parte di un client linux.
Ottenevo sempre un problema di timeout o un errore di i/o.
Nei log c&#8217;era:
portmap: server localhost not responding, timed out
Il problema si risolve avviando il servizio portmap:
su redhat/centos:

/etc/init.d/portmap start

su slackware:

chmod ugo+x /etc/rc.d/rc.rpc
/etc/rc.d/rc.rpc start

]]></description>
			<content:encoded><![CDATA[<p>Ho avuto un problema con il mount di una share nfs windows server 2003 r2 da parte di un client linux.<br />
Ottenevo sempre un problema di timeout o un errore di i/o.<br />
Nei log c&#8217;era:<br />
portmap: server localhost not responding, timed out</p>
<p>Il problema si risolve avviando il servizio portmap:</p>
<p>su redhat/centos:<br />
<code><br />
/etc/init.d/portmap start<br />
</code></p>
<p>su slackware:<br />
<code><br />
chmod ugo+x /etc/rc.d/rc.rpc<br />
/etc/rc.d/rc.rpc start<br />
</code></p>
<p><a class="a2a_dd addtoany_share_save" href="http://www.addtoany.com/share_save"><img src="http://blog.maurizio.proietti.name/wp-content/plugins/add-to-any/share_save_120_16.png" width="120" height="16" alt="Share/Bookmark"/></a> </p>]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Installare ffmpeg su CentOs 5</title>
		<link>http://blog.maurizio.proietti.name/2009/02/18/installare-ffmpeg-su-centos-5/</link>
		<comments>http://blog.maurizio.proietti.name/2009/02/18/installare-ffmpeg-su-centos-5/#comments</comments>
		<pubDate>Wed, 18 Feb 2009 07:41:14 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[centos]]></category>

		<guid isPermaLink="false">http://blog.maurizio.proietti.name/?p=339</guid>
		<description><![CDATA[
rpm -Uhv http://apt.sw.be/redhat/el5/en/i386/rpmforge/RPMS/rpmforge-release-0.3.6-1.el5.rf.i386.rpm
yum install ffmpeg

]]></description>
			<content:encoded><![CDATA[<p><code><br />
rpm -Uhv http://apt.sw.be/redhat/el5/en/i386/rpmforge/RPMS/rpmforge-release-0.3.6-1.el5.rf.i386.rpm<br />
yum install ffmpeg<br />
</code></p>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Centos 5 &#8211; locate and updatedb through yum</title>
		<link>http://blog.maurizio.proietti.name/2009/01/29/centos-5-locate-and-updatedb-thorow-yum/</link>
		<comments>http://blog.maurizio.proietti.name/2009/01/29/centos-5-locate-and-updatedb-thorow-yum/#comments</comments>
		<pubDate>Thu, 29 Jan 2009 11:37:59 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[centos]]></category>

		<guid isPermaLink="false">http://blog.maurizio.proietti.name/?p=321</guid>
		<description><![CDATA[To install locate and updatedb on centos 5 with yum you can use

yum install mlocate

bye
]]></description>
			<content:encoded><![CDATA[<p>To install locate and updatedb on centos 5 with yum you can use<br />
<code><br />
yum install mlocate<br />
</code></p>
<p>bye</p>
<p><a class="a2a_dd addtoany_share_save" href="http://www.addtoany.com/share_save"><img src="http://blog.maurizio.proietti.name/wp-content/plugins/add-to-any/share_save_120_16.png" width="120" height="16" alt="Share/Bookmark"/></a> </p>]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Postfix &#8211; Comandi utili</title>
		<link>http://blog.maurizio.proietti.name/2009/01/23/postfix-comandi-utili/</link>
		<comments>http://blog.maurizio.proietti.name/2009/01/23/postfix-comandi-utili/#comments</comments>
		<pubDate>Fri, 23 Jan 2009 09:46:26 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[postfix]]></category>
		<category><![CDATA[prato]]></category>
		<category><![CDATA[sistemista]]></category>
		<category><![CDATA[utility]]></category>

		<guid isPermaLink="false">http://blog.maurizio.proietti.name/?p=312</guid>
		<description><![CDATA[Postfix version:

# postconf mail_version

Postfix default settings:

# postconf -d

Postfix non-default settings:

# postconf -n

Delete one message with the named queue ID from default queues:
incoming, active and deferred

# postsuper -d queue-id

Delete all messages from the queues:

# postsuper -d ALL

Flush the mail queue:

# postfix flush

]]></description>
			<content:encoded><![CDATA[<p>Postfix version:<br />
<code><br />
# postconf mail_version<br />
</code><br />
Postfix default settings:<br />
<code><br />
# postconf -d<br />
</code><br />
Postfix non-default settings:<br />
<code><br />
# postconf -n<br />
</code><br />
Delete one message with the named queue ID from default queues:<br />
incoming, active and deferred<br />
<code><br />
# postsuper -d queue-id<br />
</code><br />
Delete all messages from the queues:<br />
<code><br />
# postsuper -d ALL<br />
</code><br />
Flush the mail queue:<br />
<code><br />
# postfix flush<br />
</code></p>
<p><a class="a2a_dd addtoany_share_save" href="http://www.addtoany.com/share_save"><img src="http://blog.maurizio.proietti.name/wp-content/plugins/add-to-any/share_save_120_16.png" width="120" height="16" alt="Share/Bookmark"/></a> </p>]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Problem on slackware installation &#8211; Reading all physical volumes &#8211; freeze</title>
		<link>http://blog.maurizio.proietti.name/2008/10/08/problem-on-slackware-installation-reading-all-physical-volumes-freeze/</link>
		<comments>http://blog.maurizio.proietti.name/2008/10/08/problem-on-slackware-installation-reading-all-physical-volumes-freeze/#comments</comments>
		<pubDate>Wed, 08 Oct 2008 10:00:01 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[slackware 12]]></category>

		<guid isPermaLink="false">http://blog.maurizio.proietti.name/?p=284</guid>
		<description><![CDATA[to solve the problem try:
hugesmp.s ide=nodma nodma nolvm nolvm2
it work for me.
Bye
]]></description>
			<content:encoded><![CDATA[<p>to solve the problem try:</p>
<p>hugesmp.s ide=nodma nodma nolvm nolvm2</p>
<p>it work for me.</p>
<p>Bye</p>
<p><a class="a2a_dd addtoany_share_save" href="http://www.addtoany.com/share_save"><img src="http://blog.maurizio.proietti.name/wp-content/plugins/add-to-any/share_save_120_16.png" width="120" height="16" alt="Share/Bookmark"/></a> </p>]]></content:encoded>
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		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Linux: Slow SSH Login &#8211; Login Lento con SSH</title>
		<link>http://blog.maurizio.proietti.name/2008/08/29/linux-slow-ssh-login-login-lento-con-ssh/</link>
		<comments>http://blog.maurizio.proietti.name/2008/08/29/linux-slow-ssh-login-login-lento-con-ssh/#comments</comments>
		<pubDate>Fri, 29 Aug 2008 08:04:58 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Linux]]></category>

		<guid isPermaLink="false">http://blog.maurizio.proietti.name/?p=221</guid>
		<description><![CDATA[Thanks to http://www.hackosis.com/2007/12/15/linux-fix-slow-ssh-login/
The Problem:
By default, most SSH installations are set to do a reverse DNS lookup on any incoming connections. If the DNS server times out, or there is no record for your IP address, it can result in a very lengthy delay when logging into your Linux server via SSH.
The Solution:
There are about 3 [...]]]></description>
			<content:encoded><![CDATA[<p>Thanks to <a href="http://www.hackosis.com/2007/12/15/linux-fix-slow-ssh-login/">http://www.hackosis.com/2007/12/15/linux-fix-slow-ssh-login/</a></p>
<h3>The Problem:</h3>
<p>By default, most SSH installations are set to do a reverse DNS lookup on any incoming connections. If the DNS server times out, or there is no record for your IP address, it can result in a <strong>very lengthy delay</strong> when logging into your Linux server via SSH.</p>
<h3>The Solution:</h3>
<p>There are about 3 different solutions to this problem.</p>
<ol>
<li>Disable reverse lookup on the SSH server you are connecting to.Append<br />
<tt id="code">UseDNS no <br />
UsePAM no </tt></p>
<p>to the <tt>/etc/ssh/sshd_config</tt> file on the server you are connecting to and restart the SSH daemon —</p>
<p><tt id="code">/etc/init.d/sshd restart</tt> or <tt id="code">/etc/init.d/ssh restart</tt>.</li>
<li>If you are connecting from a static IP, you may enter your host name in the <tt>/etc/hosts</tt> file.</li>
<li>Call your ISP and ask them to setup reverse hostnames for customer’s IP addresses.</li>
</ol>
<p>And enjoy your non-delay SSH login for more info check out the <a href="http://www.openbsd.org/cgi-bin/man.cgi?query=sshd_config">sshd_config man page</a>.</p>
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		</item>
		<item>
		<title>Replicazione Database MySQL  &#8211; Mysql replication</title>
		<link>http://blog.maurizio.proietti.name/2008/08/11/replicazione-database-mysql-mysql-replication/</link>
		<comments>http://blog.maurizio.proietti.name/2008/08/11/replicazione-database-mysql-mysql-replication/#comments</comments>
		<pubDate>Mon, 11 Aug 2008 14:06:40 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[database]]></category>
		<category><![CDATA[mysql]]></category>

		<guid isPermaLink="false">http://blog.maurizio.proietti.name/?p=217</guid>
		<description><![CDATA[Sul MASTER:
ipotizzo che il master sia il 192.168.0.20
&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212; /etc/my.cnf del Master 192.168.0.20 &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;
[client]
port            = 3306
socket          = /tmp/mysql.sock
[mysqld]
port            = 3306
socket          = /tmp/mysql.sock
skip-locking
key_buffer = 256M
max_allowed_packet = 1M
table_cache = 256
sort_buffer_size = 1M
read_buffer_size = 1M
read_rnd_buffer_size = 4M
myisam_sort_buffer_size = 64M
thread_cache = 8
query_cache_size= 16M
log-slow-queries=/var/log/mysql-slow-queries.log
thread_concurrency = 8
log-warnings
server-id = 1
relay-log = /usr/local/mysql/data/mysql-relay-bin
relay-log-index = /usr/local/mysql/data/mysql-relay-bin.index
master-info-file = /usr/local/mysql/data/mysql-master.info
relay-log-info-file = /usr/local/mysql/data/mysql-relay-log.info
log-bin = /usr/local/mysql/data/mysql-bin

[mysqldump]
quick
max_allowed_packet = 16M
[mysql]
no-auto-rehash
[isamchk]
key_buffer = [...]]]></description>
			<content:encoded><![CDATA[<p><tt>Sul MASTER:</tt></p>
<p><tt>ipotizzo che il master sia il 192.168.0.20</tt></p>
<p><tt></tt>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212; /etc/my.cnf del Master 192.168.0.20 &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;</p>
<p>[client]<br />
port            = 3306<br />
socket          = /tmp/mysql.sock</p>
<p>[mysqld]<br />
port            = 3306<br />
socket          = /tmp/mysql.sock<br />
skip-locking<br />
key_buffer = 256M<br />
max_allowed_packet = 1M<br />
table_cache = 256<br />
sort_buffer_size = 1M<br />
read_buffer_size = 1M<br />
read_rnd_buffer_size = 4M<br />
myisam_sort_buffer_size = 64M<br />
thread_cache = 8<br />
query_cache_size= 16M<br />
log-slow-queries=/var/log/mysql-slow-queries.log<br />
thread_concurrency = 8<br />
log-warnings</p>
<p><strong>server-id = 1<br />
relay-log = /usr/local/mysql/data/mysql-relay-bin<br />
relay-log-index = /usr/local/mysql/data/mysql-relay-bin.index<br />
master-info-file = /usr/local/mysql/data/mysql-master.info<br />
relay-log-info-file = /usr/local/mysql/data/mysql-relay-log.info<br />
log-bin = /usr/local/mysql/data/mysql-bin<br />
</strong><br />
[mysqldump]<br />
quick<br />
max_allowed_packet = 16M</p>
<p>[mysql]<br />
no-auto-rehash</p>
<p>[isamchk]<br />
key_buffer = 128M<br />
sort_buffer_size = 128M<br />
read_buffer = 2M<br />
write_buffer = 2M</p>
<p>[myisamchk]<br />
key_buffer = 128M<br />
sort_buffer_size = 128M<br />
read_buffer = 2M<br />
write_buffer = 2M</p>
<p>[mysqlhotcopy]<br />
interactive-timeout</p>
<p>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-<br />
<tt></tt></p>
<p><tt>operazioni sul master:</tt></p>
<p><tt>mysql</tt></p>
<p><tt></tt>GRANT SUPER,REPLICATION CLIENT,REPLICATION SLAVE,RELOAD ON *.* to slaveuser@&#8217;192.168.0.25&#8242; identified by &#8217;slavepw&#8217;;<br />
FLUSH PRIVILEGES;<br />
<tt></tt></p>
<p><tt></tt>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212; /etc/my.cnf dello Slave 192.168.0.25 &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;</p>
<p>[mysqld]<br />
datadir=/var/lib/mysql<br />
socket=/var/lib/mysql/mysql.sock<br />
# Default to using old password format for compatibility with mysql 3.x<br />
# clients (those using the mysqlclient10 compatibility package).<br />
old_passwords=1</p>
<p><strong># changes made to do slave<br />
server-id = 2<br />
relay-log = /var/lib/mysql/mysql-relay-bin<br />
relay-log-index = /var/lib/mysql/mysql-relay-bin.index<br />
#log-error = /var/lib/mysql/mysql.err<br />
master-info-file = /var/lib/mysql/mysql-master.info<br />
relay-log-info-file = /var/lib/mysql/mysql-relay-log.info<br />
##datadir = /var/lib/mysql<br />
master-host=192.168.0.20<br />
# Nome con cui lo slave si presenta al master<br />
report-host = 192.168.0.25<br />
master-user=slaveuser<br />
master-password=slavepw<br />
#master-port=3300<br />
master-connect-retry=30<br />
# end slave setup</strong></p>
<p><strong></strong> log-warnings</p>
<p>## Risolve un bug<br />
skip-bdb</p>
<p>[mysql.server]<br />
user=mysql<br />
basedir=/var/lib</p>
<p>[mysqld_safe]<br />
err-log=/var/log/mysqld.log<br />
pid-file=/var/run/mysqld/mysqld.pid</p>
<p>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-</p>
<p>operazioni sullo Slave:</p>
<p>mysql -u root -p<br />
&gt; load data from master;</p>
<h4>Problemi e soluzioni</h4>
<p>Appena configurato il master-slave ho avuto i seguenti errori nei log  e conseguenti problemi di replica master-slave</p>
<p>Error reading slave log configuration<br />
080811 15:01:08 [ERROR] Error reading slave log configuration<br />
080811 15:01:08 [ERROR] Failed to initialize the master info structure</p>
<p>Ho risolto stoppando lo slave, stoppando il master e cancellando dal master i file:<br />
/usr/local/mysql/data/mysql-relay-bin<br />
/usr/local/mysql/data/mysql-relay-bin.index<br />
/usr/local/mysql/data/mysql-master.info<br />
/usr/local/mysql/data/mysql-relay-log.info<br />
/usr/local/mysql/data/mysql-bin</p>
<p>Saluti a tutti</p>
<p>Maurizio</p>
<p><a class="a2a_dd addtoany_share_save" href="http://www.addtoany.com/share_save"><img src="http://blog.maurizio.proietti.name/wp-content/plugins/add-to-any/share_save_120_16.png" width="120" height="16" alt="Share/Bookmark"/></a> </p>]]></content:encoded>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Slackware 12 su Asus Z99j o Aj8n &#8211; Gestione ACPI e tasti funzione</title>
		<link>http://blog.maurizio.proietti.name/2007/07/04/slackware-12-su-asus-z99j-o-aj8n-gestione-acpi-e-tasti-funzione/</link>
		<comments>http://blog.maurizio.proietti.name/2007/07/04/slackware-12-su-asus-z99j-o-aj8n-gestione-acpi-e-tasti-funzione/#comments</comments>
		<pubDate>Tue, 03 Jul 2007 22:08:00 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[configurazione]]></category>
		<category><![CDATA[slackware]]></category>
		<category><![CDATA[slackware 12]]></category>

		<guid isPermaLink="false">http://blog.maurizio.proietti.name/2007/07/04/slackware-12-su-asus-z99j-o-aj8n-gestione-acpi-e-tasti-funzione/</guid>
		<description><![CDATA[Apena installata, la mia distro preferita (ovviamente Slackware 12) ACPI aveva qualche problama.Sulla barra non compariva l&#8217;icona del controllo delle batterie e i tasti funzione non funzionavano  Ecco come ho risolto:
In fondo al file /etc/rc.d/rc.modules ho aggiunto le seguenti righe:######################################################### ACPI MAOX X ASUS/sbin/modprobe asus_acpi/sbin/modprobe video/sbin/modprobe battery/sbin/modprobe container/sbin/modprobe button/sbin/modprobe ac/sbin/modprobe thermal/sbin/modprobe processor/sbin/modprobe fan
/sbin/depmod -ae###########################################################àIn [...]]]></description>
			<content:encoded><![CDATA[<p>Apena installata, la mia distro preferita (ovviamente Slackware 12) ACPI aveva qualche problama.<br />Sulla barra non compariva l&#8217;icona del controllo delle batterie e i tasti funzione non funzionavano <img src='http://blog.maurizio.proietti.name/wp-includes/images/smilies/icon_smile.gif' alt=':-)' class='wp-smiley' /> <br />Ecco come ho risolto:</p>
<p>In fondo al file /etc/rc.d/rc.modules ho aggiunto le seguenti righe:<br />#######################################################<br />## ACPI MAOX X ASUS<br />/sbin/modprobe asus_acpi<br />/sbin/modprobe video<br />/sbin/modprobe battery<br />/sbin/modprobe container<br />/sbin/modprobe button<br />/sbin/modprobe ac<br />/sbin/modprobe thermal<br />/sbin/modprobe processor<br />/sbin/modprobe fan</p>
<p>/sbin/depmod -ae<br />###########################################################à<br />In queso modo è comparsa l&#8217;icona delle batterie e posso gestire il risparmio energetico.</p>
<p>Per i tasti funzione:<br />in /etc/acpi ho modificato il file acpi_handler.sh come segue:</p>
<p>###########################################################<br />root@trinity2:/etc/acpi# cat acpi_handler.sh<br />#!/bin/sh<br /># Default acpi script that takes an entry for all actions</p>
<p>IFS=${IFS}/<br />set $@</p>
<p>case &#8220;$1&#8243; in<br />  button)<br />    case &#8220;$2&#8243; in<br />      power) /sbin/init 0<br />         ;;<br />      *) logger &#8220;ACPI action $2 is not defined&#8221;<br />         ;;<br />    esac<br />    ;;<br />  hotkey)<br />    case &#8220;$2&#8243; in<br />      ATKD)<br />        case &#8220;$3&#8243; in<br />                0000005e)<br />                        logger &#8220;WIFI in Accenione&#8230;&#8221;<br />                        /etc/acpi/wifi_on.sh<br />                        logger &#8220;WIFI Acceso!&#8221;<br />                        echo &#8220;WIFI Acceso!&#8221; | wall<br />                ;;<br />                0000005f)<br />                        logger &#8220;WIFI in Spegnimento&#8230;&#8221;<br />                        /etc/acpi/wifi_off.sh<br />                        logger &#8220;WIFI Spento!&#8221;<br />                        echo &#8220;WIFI Spento!&#8221; | wall<br />                ;;<br />                00000032)<br />                        logger &#8220;MUTE / UNMUTE AUDIO&#8230;&#8221;<br />                        MUTE=`amixer get PCM | grep Left | grep -v Right | cut -d &#8221; &#8221; -f 9`<br />                        if [ $MUTE == [on] ]; then<br />                                /usr/bin/amixer set PCM mute<br />                        else<br />                                /usr/bin/amixer set PCM unmute<br />                        fi<br />                ;;<br />                00000031)<br />                        logger &#8220;Abbasso il volume&#8230;&#8221;<br />                        amixer set PCM 2-<br />                ;;<br />                00000030)<br />                        logger &#8220;Alzo il volume&#8230;&#8221;<br />                        amixer set PCM 2+<br />                ;;<br />                *)<br />                        logger &#8220;AA $3 AA $4&#8243;<br />                        logger &#8220;BB $3 BB $4&#8243;<br />                ;;<br />        esac<br />      ;;<br />      *) logger &#8220;ACPI action $2 is not defined&#8221;<br />      ;;<br />    esac<br />  ;;<br />  *)<br />    logger &#8220;ACPI group $1 / action $2 is not defined $3 AAA $4 BBBB $5 CCCC&#8221;<br />  ;;<br />esac<br />###############################################################</p>
<p>Con questo file riesco a controllare il volume e l&#8217;attivazione della wireless dai tasti funzione su linux.<br />Premendo Fn+F10 attivo o disattivo l&#8217;audio<br />Premendo Fn+F11 abbasso l&#8217;audio<br />Premendo Fn+F12 alzo l&#8217;audio</p>
<p>e, sempre in /etc/acpi/ ho aggiunto i seguenti file:<br />#################WIFI_ON############################################<br />root@trinity2:/etc/acpi# cat wifi_on.sh<br />#!/bin/bash<br />/sbin/ifconfig eth0 down<br />/sbin/modprobe ipw3945<br />/sbin/depmod -ae<br />/sbin/ipw3945d &#8211;quiet<br />sleep 5<br />/sbin/dhcpcd -d -t 15 eth1<br />#################################################################</p>
<p>#######################WIFI_OFF###############################<br />root@trinity2:/etc/acpi# cat wifi_off.sh<br />#!/bin/bash<br />/sbin/ifconfig eth1 down</p>
<p>/sbin/ipw3945d &#8211;kill<br />/sbin/ipw3945d &#8211;kill<br />killall ipw3945d</p>
<p>/sbin/rmmod ipw3945<br />/sbin/depmod -ae</p>
<p>/etc/rc.d/rc.inet1 restart<br />###############################################################</p>
<p>poi un bel<br />chmod ugo+x /etc/acpi/wifi_*</p>
<p>In questo modo posso attivare e disabilitare la wireless tramite la combinazione di tasti<br />Fn+F2</p>
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		<title>Come installare VMWare server su Fedora Core 7</title>
		<link>http://blog.maurizio.proietti.name/2007/07/03/come-installare-vmware-server-su-fedora-core-7/</link>
		<comments>http://blog.maurizio.proietti.name/2007/07/03/come-installare-vmware-server-su-fedora-core-7/#comments</comments>
		<pubDate>Tue, 03 Jul 2007 10:05:00 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[configurazione]]></category>
		<category><![CDATA[fedora]]></category>
		<category><![CDATA[fedora 7]]></category>
		<category><![CDATA[vmware]]></category>

		<guid isPermaLink="false">http://blog.maurizio.proietti.name/2007/07/03/come-installare-vmware-server-su-fedora-core-7/</guid>
		<description><![CDATA[Una meravigliosa guida che spiega come installare vmware server su fedora 7.
http://www.howtoforge.com/vmware_server_fedora7
ecco il cuore della guida:
make[2]: *** [/tmp/vmware-config2/vmmon-only/linux/driver.o] Error 1make[1]: *** [_module_/tmp/vmware-config2/vmmon-only] Error 2make[1]: Leaving directory `/usr/src/kernels/2.6.21-1.3194.fc7-i686&#8242;make: *** [vmmon.ko] Error 2make: Leaving directory `/tmp/vmware-config2/vmmon-only&#8217;Unable to build the vmmon module.
For more information on how to troubleshoot module-related problems, pleasevisit our Web site at &#8220;http://www.vmware.com/download/modules/modules.html&#8221; and&#8220;http://www.vmware.com/support/reference/linux/prebuilt_modules_linux.html&#8221;.
Execution aborted.
This [...]]]></description>
			<content:encoded><![CDATA[<p>Una meravigliosa guida che spiega come installare vmware server su fedora 7.</p>
<p><a href="http://www.howtoforge.com/vmware_server_fedora7"><tt>http://www.howtoforge.com/vmware_server_fedora7</tt></a></p>
<p>ecco il cuore della guida:</p>
<p>make[2]: *** [/tmp/vmware-config2/vmmon-only/linux/driver.o] Error 1<br />make[1]: *** [_module_/tmp/vmware-config2/vmmon-only] Error 2<br />make[1]: Leaving directory `/usr/src/kernels/2.6.21-1.3194.fc7-i686&#8242;<br />make: *** [vmmon.ko] Error 2<br />make: Leaving directory `/tmp/vmware-config2/vmmon-only&#8217;<br />Unable to build the vmmon module.</p>
<p>For more information on how to troubleshoot module-related problems, please<br />visit our Web site at &#8220;http://www.vmware.com/download/modules/modules.html&#8221; and<br />&#8220;http://www.vmware.com/support/reference/linux/prebuilt_modules_linux.html&#8221;.</p>
<p>Execution aborted.
<p>This happens because VMware Server isn&#8217;t ready for a 2.6.21 kernel yet (the default kernel in Fedora 7 is 2.6.21.3). Therefore, we must patch VMware Server a little bit. This can be done as follows:</p>
<p class="command">wget http://knihovny.cvut.cz/ftp/pub/vmware/vmware-any-any-update110.tar.gz<br />tar xvfz vmware-any-any-update110.tar.gz<br />cd vmware-any-any-update110<br />./runme.pl</p>
<p>The <span class="system">./runme.pl</span> command will continue the VMware Server installation. This time it should succeed, and again you can accept all default values. When it asks you</p>
<p class="system">In which directory do you want to keep your virtual machine files?<br />[/var/lib/vmware/Virtual Machines]</p>
<p>you can either accept the default value or specify a location that has enough free space to store your virtual machines. </p>
<p>At the end of the installation, you will be asked to enter a serial number:</p>
<p class="system">Please enter your 20-character serial number.</p>
<p class="system">Type XXXXX-XXXXX-XXXXX-XXXXX or &#8216;Enter&#8217; to cancel:</p>
<p>Fill in your serial number for VMware Server. </p>
<p>After the successful installation, you can delete the VMware Server download file and the installation directory:</p>
<p class="command">cd /home/falko/Desktop<br />rm -fr vmware-server-distrib<br />rm -f VMware-server-*.tar.gz</p>
<p> You will now find VMware Server under <span class="system">Applications > Other</span>
<pre class="moz-signature" cols="72"><span style="font-size:130%;"><span style="font-style: italic; font-weight: bold;font-size:130%;" >ATTENZIONE:</span><span style="font-size:130%;"></span><span style="font-style: italic; font-weight: bold;font-size:130%;" >Può essere causa di errore l'assenza di xinetd, quindi prima di iniziare l'installazione assicurarsi di avere xinetd:</span><span style="font-size:130%;"></span><span style="font-style: italic;"><span style="font-size:130%;"><span style="font-weight: bold;">yum install xinetd</span>

<span style="font-weight: bold;">ATTENZIONE 2:</span><span style="font-weight: bold;">Una altra possibile causa di problemi è la presenza del file</span><span style="font-weight: bold;">/etc/vmware/not_configured</span><span style="font-weight: bold;">occorre eliminarlo:</span><span style="font-weight: bold;">rm /etc/vmware/not_configured</span></span></span></span></pre>
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