As a Linux administrator, you must periodically check which files and folders are consuming more disk space. It is very necessary to find unnecessary junk and free up them from your hard disk. This brief tutorial describes how to find the largest files and folders in the Linux file system using du (disk usage)
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. [ You might also like: 22 Linux Networking Commands for Sysadmin ] The “ifconfig” command is used for displaying current network configuration information, setting up
1 The GREP command- an overview The grep command, which means global regular expression print, remains amongst the most versatile commands in a Linux terminal environment. It happens to be an immensely powerful program that lends users the ability to sort input based on complex rules, thus rendering it a fairly popular link across numerous
ss command is a tool that is used for displaying network socket related information on a Linux system. The tool displays more detailed information that the netstat command which is used for displaying active socket connections. In this guide, we delve in and see how the ss command can be used to display varied socket
I guess you all know this: you are connected to your server with SSH and in the middle of compiling some software (e.g. a new kernel) or doing some other task which takes lots of time, and suddenly your connection drops for some reason, and you lose your unfinished work. This can be very annoying,
There are many reasons why you may want to clone a Linux partition or even hard drive, most of which are related to creating backups of your data. There are multiple ways you can achieve this in Linux by using some external tools such as partimage or Clonezilla. However in this tutorial we are going
If you are new to Linux command line, and are interested in learning networking stuff, there are many command line utilities that you should be aware of. One such tool is netstat. In this article, we will discuss this command using some easy to understand examples. But before we do that, it’s worth mentioning that
The Bash history feature is an invaluable tool which allows users to recall commands previously entered into their shell with relative ease. This makes it easy to enter repeated commands and keep track of what was done on a system. By default, however, a user is unable to see whenthese commands were actually entered. When
By default, all commands executed by Bash on the command line are stored in history buffer or recorded in a file called ~/.bash_history. This means that a system administrator can view a list of commands executed by users on the system or a user can view his/her command history using the history command like
Suppose you are given a task to identify the processes that are using a particular file, and then kill them one by one – all this has to be done from the command line. What would you do? Well, if you are a command line newbie, I am sure you’d be clueless, asking around for
