Keep web servers in sync with DRBD and OCFS2
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Command Line
Monitor MySQL restore progress with pv
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Throwing thoughtful “403 Forbidden” responses with apache
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Accessing Rackspace Cloud Servers and Slicehost slices privately via OpenVPN
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Upgrading Fedora 13 to Fedora 14 on Slicehost and Rackspace Cloud Servers
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Securing your ssh server
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Parsing mdadm output with paste
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GlusterFS on the cheap with Rackspace’s Cloud Servers or Slicehost
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Idiot’s guide to OAuth logins for Twitter
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Adjusting tty’s in Fedora 13 with upstart
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Testing network throughput with iperf
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Private network interfaces: the forgotten security hole
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MySQL: The total number of locks exceeds the lock table size
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Switching between audible and visual bells in screen
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Crash course in dsh
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Change the escape keystrokes in screen
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Deleting all e-mail messages in your inbox with mutt
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Linux: emergency reboot or shutdown with magic commands
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What is the difference between file data and metadata?
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ntpd_initres: ntpd returns a permission denied error
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Limiting which commands are kept in the bash history file
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Rebuilding the initial ram disk (initrd)
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ip_conntrack: table full, dropping packet
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EXT3-fs error (device hda3) in start_transaction: Journal has aborted
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Red Hat Perl Issues: unable to call function somefunction on undefined value
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OpenSSL Tricks
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Attractive aterm/rxvt .Xdefaults configuration
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Installing package groups with up2date
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Counting open files per user
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Yum equivalents of up2date arguments
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Check the modulus of an SSL certificate and key with openssl
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RHEL limitations cheat sheet
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Low priority Plesk backups
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Use a different IP for sending mail
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Reset the Urchin admin password
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Adding IP aliases in FreeBSD
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Disable X support in FreeBSD
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Installing Lighttpd + PHP + FastCGI on FreeBSD
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Upgrading FreeBSD remotely
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Importing existing keys and certificates into java keystore files
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/bin/tar: Argument list too long
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Active FTP connections through iptables
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Basic SNMP Configuration
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Corrupt /dev/null
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PHP CLI memory limit is different between users and root
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Rebuild RPM file permissions and ownerships
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FreeBSD: Limiting closed port RST response
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Arrow keys in iTerm not working in vi/vim
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Install snort and BASE on FreeBSD
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Errors with ifup regarding MAC addresses
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