Tag: system administration

  • How To Check Free Disk Space on Linux

    How To Check Free Disk Space on Linux

    This tutorial discusses the ways to check disk space on Linux using the command line or graphical tools. As a system administrator, you always want to make sure that you have enough space for your hosts to run. Luckily for you, there are plenty of commands that you can use in order to check disk […]

  • Linux File Permissions Complete Guide

    Linux File Permissions Complete Guide

    If you are new to Linux administration, you may be wondering how Linux file permissions work on Linux systems. Maybe you have been denied the read access to a file and you are trying to discover why and how to solve it. Or you may have tried to move a file from a directory to […]

  • Understanding Hard and Soft Links on Linux

    Understanding Hard and Soft Links on Linux

    In our previous article about file permissions, we had a quick discussion on the different file types that may exist on a Linux system. Standard files, directories, links, devices, sockets, Linux systems offer a wide variety of different file types. Today, we are focusing on links, and more specifically on hard and soft links. If […]

  • The Definitive Guide to Centralized Logging with Syslog on Linux

    The Definitive Guide to Centralized Logging with Syslog on Linux

    This article details all the steps needed to build a centralized logging architecture on Linux systems. If you are a Linux system administrator, you probably spend a lot of time browsing your log files in order to find relevant information about past events. Most of the time, you are not working with a single machine, […]

  • Syslog : The Complete System Administrator Guide

    Syslog : The Complete System Administrator Guide

    If you are a system administrator, or just a regular Linux user, there is a very high chance that you worked with Syslog, at least one time. On your Linux system, pretty much everything related to system logging is linked to the Syslog protocol. Designed in the early 80’s by Eric Allman (from Berkeley University), […]