Everyday Notes from a Unix Administrator. A website created to serve as online notes, documentation, tips and tricks for System administrators.
Linux iptables Configuration Tutorial
Iptables is an extremely flexible command-line firewall utility built for Linux operating systems. It uses policy chains to allow orRead more.
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 editedRead more.
Important MySQL commands
The following tutorials are example of the essential MySQL commands and techniques needed by system administrators. Although there are people/departmentsRead more.
Additional MySQL Commands
When you forgot the password to your MySQL server, you can reset it using the following steps. This will requireRead more.
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 wasRead more.
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 SFTPRead more.
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 viceRead more.
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 productionRead more.
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 daemonRead more.
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 itsRead more.