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Everyday Notes from a Unix Administrator. A website created to serve as online notes, documentation, tips and tricks for System administrators.

 

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Configuring Elastic Load Balancer on Amazon EC2
Load balancers are used to distribute the requests/queries to multiple server instances. Most web infrastructures have multiple front-end servers that
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Cloning you Instances on Amazon EC2
Multiple front-end web server setups are almost always in use these days. Instead of just one server serving web traffic,
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Adding new disk on Amazon EC2 instance Centos/RHEL 6
Amazon VPS instances, by default only have a single disk for the whole filesystem of the server. Unless you chose to
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Unison – file/folder sync for Centos/RHEL 6
Unison is a file-synchronization tool similar to rsync. The main difference is that unison tracks changes on both directions so
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Install Gitblit Go on CentOS/RHEL 6/7
If you are a programmer or work with programmers, managing code repositories is one the task you’ll likely to encounter.
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Linux iptables Configuration Tutorial
Iptables is an extremely flexible command-line firewall utility built for Linux operating systems. It uses policy chains to allow or
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What’s in the /etc folder?
The standard Linux directory structure mostly follows the POSIX Filesystem Hierarchy Standard. One of the system folders most commonly edited
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Important MySQL commands
The following tutorials are example of the essential MySQL commands and techniques needed by system administrators. Although there are people/departments
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Additional MySQL Commands
When you forgot the password to your MySQL server, you can reset it using the following steps. This will require
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