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Welcome to Ramblings of a Centos Ninja

Centos 6

--> Change Runlevel
--> Check Current Runlevel
--> Change Run Level at Bootup
--> How to change the Hostname on Centos
--> chkconfig settings
--> How to extract a tar.gz file
--> Install SIM - System Integrity Monitor
--> Use Bash on a Non Bash User
--> Quit Bash Shell without Saving Bash History
--> Change the Timezone Centos
--> Check the Version of Package
--> How to install Sphinx on Centos Server
--> How to install Redis on a Centos 6.4 Server
--> Adding a New Disk Drive with Centos
--> Creating Backups using rsync with Examples
--> Expand your bash_history to 2500
--> Setup logrotate to rotate your logs
--> GPG: Encrypt And Decrypt Files With A Password
--> Install Remi and EPEL yum repo 
--> Install NewRelic on Centos6
--> Setting Up An NFS Server And Client On CentOS 6
--> Sar is not working how to restart
--> Batch jpeg Image Optimization
--> Reset Root Password in Centos/FHEL

Magento Community Edition/Magento Enterprise Edition

--> What is Magento?
--> Clear Magento Cache
--> Disable Magento Modules
--> Turn on Manual Indexing
--> How to Reset Magento Password
--> How to Create Users in Mageento
--> Enable Mysql Slow Query Logging
--> Magento Connect is not Working
--> Magento will NOT save my Product Updates
--> Magento Internal Cron not Running
--> Setting up the System Cron Job
--> Magento Connect is not Working
--> Changing the Minimum Search Query - MySQL Full Text Only
--> Install Redis Caching for Magento
--> Install Redis Full Page Caching for Magento Enterprise
--> Setting up a Second Instance of Redis
--> Magento Server Compatibility Check

Memcached Server

--> Memcached Monitor Tool
--> Setup Multi Instance Memcache
--> Check if Memcached is Running
--> Flush Your Memcached Instance
--> Check Memory Usage of Memcached

Apache/PHP

--> Redirect site to www or non www
--> Install Tomcat6 Server on Centos 6
--> How to setup an SSL Certificate for Free
--> Enable Apache to Create Core Dumps
--> Enable php-fpm to create core dumps
--> Debug PHP Enabling slow_log 
--> Block Bots by User Agent String
--> Install mod_extact_forward - Show Real IP behind Proxy
--> Install ionCube Loaders for Centos
--> Install Zend Guard with PHP 5.3 on Centos
--> Disable Mod_Security for a single vhost
--> Hide PHP Version(X-Powered-By) in Headers

Mysql/Percona

--> How to Optimize/Repair a Table
--> MySQL - Check Which Query is Consuming Resources
--> How to Set your MySQL Password
--> Rest your MySQL Admin Password
--> How to Convert Table to InnoDB 
--> How to install Percona Database Server
--> How to Access the MySQL via Shell
--> How to Create and Delete a MySQL Database
--> How to Create a Table in MySQL Database
--> How to Create a MySQL Database Backup
--> How to Import a MySQL Database

Varnish Cache

--> Setup Varnish Cache
--> Setup Varnish for Magento
--> Setup Varnish for Wordpress
--> Setup Varnish for MediaWiki
--> Setup Varnish - Multiple Domains
--> Setup Varnish - Multiple Ipaddress
--> Script to Clear a Page from Varnish Cache
--> Varnish will not restart WHY?
--> Warm up Varnish Script using Sitemap.xml

Nginx Web Server

--> Setup Nginx PHP FPM Percona Mysql
--> Wordpress Ngnix Rewrite Rules
--> Setup up Nginx Caching
--> Nginx Magento vhost Configuration

Other

--> Linux Keyboard Shortcuts
--> Crontab Usage
--> Setup a SSH Tunnel for Secure Browsing
--> Install OpenSSH on Windows
--> Install Qmail on a Fresh Centos Server
--> Setup Qmail to Listen on port 587 for SMTP
--> Setup Incoming Email Pipe to Script for Qmail
--> Install qmqtool for Qmail on Centos Server
--> Rest Email Password for vpopmail
--> How to check Used IP on your Home Network
--> Remove Email Block Lists

--> Benchmarking and Load Testing with Siege
--> Benchmarking and Load Testing with Apache Bench(AB)

--> Centos Oneliners