Linux CommandsBash ifconfig: command not found on CentOS/RHEL 7By RahulJanuary 10, 2015ifconfig command is useful for getting details of the network configuration in Linux-based systems. Mostly when I install an older…
Linux CommandsHow to Remove Lines with Specific Text using SEDBy RahulJanuary 10, 2015In the realm of text processing and data manipulation, Unix-like operating systems offer a powerful tool called SED, or the…
Linux CommandsGenerate and Validate MD5 Checksums for all Files in DirectoryBy RahulDecember 7, 2014In the digital realm, ensuring the integrity of files, especially when transferring them over the internet or storing them for…
Bash ShellHow to Generate and Verify md5 checksum of File in LinuxBy RahulNovember 30, 2014Command: md5sum myfile.php > myfile.php.md5 Above command will generate md5 checksum of file myfile.php and store in file myfile.php.md5. myfile.php.md5…
Linux CommandsHow to Kill a Process by Name in Linux: A Comprehensive GuideBy RahulNovember 28, 2014Linux, much like any other operating system, relies on processes for its operations. Occasionally, these processes may become unresponsive or…
Bash ShellHow to Assign Password to User in a Shell ScriptBy RahulNovember 27, 2014Command: echo <password> | passwd –stdin <username> Example: Use the following command to change password of user jack in a…
Linux CommandsHow to Count Lines in a file in LinuxBy RahulNovember 26, 2014Sometimes you may be required to count total lines in a file in Unix/Linux systems. This tutorial helps you with…
Linux CommandsRemoving User from Secondary Group in LinuxBy RahulNovember 26, 2014All the groups except the primary group are called the secondary groups of Users, for whom they belong. Generally, the…
Linux CommandsAdding User in Secondary Group using Command in LinuxBy RahulNovember 26, 2014Secondary groups are the groups that users added after the creations. The primary groups are created during the user creation…
Linux CommandsHow to Extract a Tar.bz2 FileBy RahulNovember 25, 2014A “tar.bz2” file is a type of compressed file created using the Unix/Linux tar command coupled with the bzip2 compression…