Contents 1 Applications 1.1 Wordpress 2 Apache 3 Programming 3.1 PHP 3.2 Perl 3.3 Python 3.4 Bash 3.5 RRD 4 System Administration 4.1 Package Management 4.2 Puppet 4.3 Command Line Tips 4.4 RAID 4.5 Software Installs 4.6 SSL 5 SAN 6 Networking 7 Mail 8 PostgreSQL 9 MySQL 10 Virtualization 10.1 Virtual Box 10.2 KVM 10.3 Xen 10.4 Linux Vserver 10.5 Virtuozzo 10.6 VMware 11 Lustre 12 Ceph 13 Plesk 14 Linux HA 15 Miscellaneous

Applications

• Trac
• Subversion
• FFMPEG_and_ffmpeg-php
• ImageMagick
• Minecraft

Wordpress

• Wordpress Notes

Apache

• Htaccess_tricks
• Enable Server Status
• Use custom php.ini file with suPHP
• Fix out of space/semaphore issues
• Install and configure gitweb
• mod_security whitelist
• Poodle CVE-2014-3566
• mod_pagespeed module for CPanel WHM
• update cPanel default virtual host
• PHP LDAP module for cPanel servers
• SELinux notes
• block web bots using apache config files
• Reverse proxy config
• Generic virtual host
• Test sites using curl
• Apache log format

Programming

PHP

• PHP Troubleshooting

Perl

• random number script
• audacious random album script

Python

• Google Charts module for Python

Bash

• Bash Style Guide
• Log Rotation Script
• Fix suPHP permissions
• rdiff-backup script

RRD

• tune max value in RRD file

System Administration

• Enable kernel crash dumps
• SRV records
• cPanel DNS
• sshd config changes
• Load stats script
• Loadwatch script
• Firewalld notes
• Generate ssh key pair

Package Management

• Yum notes

Puppet

• configure puppet master using nginx and mod_passenger
• install puppet-dashboard using nginx and mod_passenger

Command Line Tips

• Send SSH root login alert
• SSH key upload script
• Sed One Liners
• Set Bash Prompt
• awk one liners
• Build custom kernel RPM
• Stop sudo from asking for a password
• grep examples
• convert audio files
• Backup using tar
• Remove spaces from file names
• Augeas
• tcpdump
• create mirror site using wget
• connect to remote GDM display
• SElinux notes
• Find disk space usage
• find files based on date

RAID

• RAID controller commands
• Create RAID using megarc
• Linux MD

Software Installs

• Install audio scrobbler plugin for audacious 2.3

SSL

• OpenSSL Notes

SAN

• Linux iSCSI

Networking

• Disable IPv6
• Enable trunked networking in Debian
• iptables script
• Enable GDM remote logins
• drop packets in iptables with string matching

Mail

• Exim Cheat Sheet
• Mail Tips
• Mail Benchmarks
• Mailman Guide
• Postfix notes
• SpamAssassin user_prefs
• Block SMTP connections based on HELO name
• Configure domain specific relay hosts in Exim
• Spam Procedure

PostgreSQL

• Postgres Tips
• Postgres Backup Script
• Postgres Reset Password
• Change database owner

MySQL

• MySQL Tips
• MySQL Backup Script
• innobackupex script
• MySQL Change Default Character Set
• Transfer MySQL Privilege Data
• Reset MySQL Root Password
• Recover from mysql log read failure
• mytop
• mysql change default character set
• mysql strict mode
• mysql log warnings
• MySQL replication
• my.cnf examples

Virtualization

Virtual Box

• Convert VirtualBox disk image to other format
• Attach physical disk to a virtual box VM

KVM

• Sample KVM config

Xen

• Xen Tips
• Xen Backup Script
• Xen Kickstart config for CentOS 4
• Xen kickstart for CentOS 5
• Create a new virtual server
• Benchmarks
• Windows Config File
• Move LVM based domU to a zvol
• Install Xen on Ubuntu Jaunty Jackalope (9.04)

Linux Vserver

• Resize vserver partition
• How to Build a CentOS 3 Template
• vserver block IP

Virtuozzo

• Initialize VPS quota
• VPS Quota Fix
• VPS Upgrade Guide
• Create new templates
• Fix vzfs name collision
• vzuncache errors

VMware

• vmware notes
• convert VMware disk to other format

Lustre

• Lustre Install Notes
• Add new OST using a loopback device

Ceph

• Ceph Notes

Plesk

• Plesk Notes

Linux HA

• DRBD Installation
• OCFS2
• Linux heartbeat installation
• High Availability mesh networking with cjdns

Miscellaneous

• Add TTF Fonts in Debian/Ubuntu
• Enable IP Masquerade
• How to convert video files
• Firefox Addons
• Netmask Cheat Sheet
• GPG Guide
• PXE Boot Server
• Video Editing
• Motorcycle Info
• CC Test Numbers
• FreeRDP 1.0 for Debian Squeeze
• DNSSEC test
• Set up encrypted FS with LUKS

Whois history lookup: http://whoisrequest.org/history/