30 Useful Linux Commands for System Administrators

In this article we are going to review some of the useful and frequently used Linux or Unix commands for Linux System Administrators that are used in their daily life. This is not a complete but it’s a compact list

15 Useful “ifconfig” Commands to Configure Network Interface in Linux

ifconfig in short “interface configuration” utility for system/network administration in Unix/Linux operating systems to configure, manage and query network interface parameters via command line interface or in a system configuration scripts. The “ifconfig” command is used for displaying current network

12 Useful “df” Commands to Check Disk Space in Linux

On the internet you will find plenty of tools for checking disk space utilization in Linux. However, Linux has a strong built-in utility called ‘df‘. The ‘df‘ command stands for “disk filesystem“, it is used to get a full summary

Real Time Interactive IP LAN Monitoring with IPTraf Tool

There are number of monitoring tools available. Moreover, i came across a IPTraf monitoring tool which i find very useful and it’s a simple tool to monitor Inbound and Outbound network traffic passing through interface. Install IPTraf LAN Monitoring IPTraf

How to Monitor User Activity with psacct or acct Tools

psacct or acct both are open source application for monitoring users activities on the system. These applications runs in the background and keeps track of each users activity on your system as well as what resources are being consumed. I

20 MySQL (Mysqladmin) Commands for Database Administration in Linux

mysqladmin is a command-line utility the comes with MySQL server and it is used by Database Administrators to perform some basic MySQL tasks easily such as setting root password, changing root password, monitoring mysql processes, reloading privileges, checking server status

10 lsof Command Examples in Linux

This is our on-going series of Linux commands and in this article we are going to review lsof command with practical examples. lsof meaning ‘LiSt Open Files’ is used to find out which files are open by which process. As

Linux Performance Monitoring with Vmstat and Iostat Commands

This is our on-going series of commands and performance monitoring in Linux. Vmstat and Iostat both commands are available on all major Unix-like (Linux/Unix/FreeBSD/Solaris) Operating Systems. If vmstat and iostat commands are not available on your box, please install sysstat

11 Cron Scheduling Task Examples in Linux

In this article we are going to review and see how we can schedule and run tasks in the background automatically at regular intervals using Crontab command. Dealing a frequent job manually is a daunting task for system administrator. Such

18 Tar Command Examples in Linux

The Linux “tar” stands for tape archive, which is used by large number of Linux/Unix system administrators to deal with tape drives backup. The tar command used to rip a collection of files and directories into highly compressed archive file

13 Linux Network Configuration and Troubleshooting Commands

Computers are connected in a network to exchange information or resources each other. Two or more computer connected through network media called computer network. There are number of network devices or media are involved to form computer network. Computer loaded