A collection of system administration hints and tips, tricks and articles for the Linux operating system in all its variants.

Latest posts

systemd replaces upstart and init

Unlike Upstart in Oracle Linux 6, the systemd daemon now replaces Upstart in managing system run levels and services.

openSUSE Quick Reference Guide

This article provides a quick reference guide for the open SuSE operating system

Uninstalling VMware Workstation from a Linux Host

This article provides the simple steps needed to uninstall the VMware workstation from a Linux host. You must run the command from a Linux server.

Tomcat 7 on CentOS 7

This post provides a basic installation and configuration of Tomcat 7 on a CentOS 7 server.

Moving from LAMP to LEMP

LAMP is a popular server stack using apache to deliver dynamic content; LEMP utilises ngnix to achieve the same open source technologies.

RPM cheat sheet

RPM is a command line package management utility used for installing, uninstalling, updating, querying and verifying software packages.

How to Change or Set hostname on OEL/RHEL/CentOS 7

Unlike OEL/RHEL/CentOS 6, manually appending “HOSTNAME=xxxxx” into file /etc/sysconfig/network and restarting system will not work on version 7.

Installing PHP GeoIP on Ubuntu

A simple article providing the steps necessary to get GeoIP working with PHP on Ubuntu systems.

LVM Logical Volumes

The use of logical volumes is similar to the use of partitions and is accomplished with the same standard commands (mkfs, mount, fsck, df, ...)