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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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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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Create a swap file in Linux
Some VPS on hosting providers like Amazon Web Services do not have swap by default. Or if your server was
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SFTP Server with chroot Setup CentOS 6 / RHEL 6
SFTP provides a secure way for providing FTP access to clients. It comes built-in with the openssh-server package. Creating SFTP
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DNS Server Setup for Centos 6 / RHEL 6
DNS stands for Domain Name System, or Domain Name Server. DNS resolves an IP address to a hostname or vice
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Setup NFS share in Linux
Network File System (NFS) is the standard protocol used for sharing files/folder between Linux/Unix systems. This is helpful on production
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Installing Transmission Daemon on CentOS 6 / RHEL 7
Transmission is a popular torrent client on modern Linux systems. It has both a GUI for desktop and a daemon
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Manage Drives and Disk Partitions using fdisk
One of the common administrative tasks under UNIX/Linux is to add a new disk to the system to increase its
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