Conntrack tools allows manipulating linux connection tracking table. Command conntrack is useful for deleting conntrack entries, but it is not included by default in RHEL/Centos.
Read More »Install conntrack tools on Centos 5
Unattended upgrades in Debian will not upgrade packages from third-party repositories (for example dotdeb.org) by default. It can be easily enabled editing /etc/apt/apt.conf.d/50unattended-upgrades.
Read More »Dotdeb packages unattended upgrade
From http://wiki.apache.org/spamassassin/VBounceRuleset
The “Virus Bounce Ruleset” is a SpamAssassin ruleset to catch “backscatter”.
Backscatter is mail you didn’t ask to receive, generated by legitimate, non-spam-sending systems in response to spam.
Read More »Catching unsolicited bounces (backscatter) with SpamAssassin
Idea how to implement tracking last user pop3 or imap login date using dovecot is described in Dovecot Wiki.
Read More »Track Dovecot User Last Login Date and IP Address
Maybe you know, maybe not, but pre-build Debian Lenny packages of dovecot from backports has been built with sieve plugin.
Read More »Server side mail filtering with dovecot and squirrelmail
Getstream is used to stream from dvb-t channels to multicast. One of mulicast streams is re-streamed to Windows Media using this script:Read More »Restreaming from MPEG2 to Windows Media Player using VLC
Digmia Enterprise Linux Source is repository with many interesting and actual packages for Centos (RHEL). It contais for example mysql-5.0.84-2.el5.x86_64.rpm, php-5.2.10-2.el5.x86_64.rpm, zabbix-1.8.3-2.el5.x86_64.rpm, postgresql-8.2.14-1.el5.x86_64.rpm and many… Read More »Digmia Centos repository
Drupal includes many files. When DocumentRoot is hosted on NFS, include calls are slow, because too many lstat() calls which are slow on NFS. Read More »Slow Drupal on NFS
When installing Windows 2003 to Dell M600 blade system windows will not recognize any hard drives. You need to load additional drivers, by pressing F6 during setup. Drivers can be found at Dell FTP site, but Dell is not providing floppy image, just drivers.
Read More »Dell SAS6/iR Windows 2003 x64 driver floppy image
When you are running bonding in active-backup mode, you can detect which slave is active by listing /proc/net/bonding/bond0. How to change active slave?
Read More »How to change Currently Active Slave when runnning bonding in active-backup mode