Linux CommandsBash: mail: command not found (CentOS, Redhat, Ubuntu and Debian)By RahulOctober 11, 2014With the minimum installation of any Linux operating system, you will not see most of the commands in your system.…
Linux CommandsHow to Extract tar.gz File in LinuxBy RahulOctober 5, 2014Linux is a powerful and flexible operating system, often lauded for its robustness and versatility. It’s used widely in servers,…
Linux CommandsHow to Save and Quit in VimBy RahulOctober 3, 2014Vim is a popular text editor that is widely used by programmers, developers, and system administrators. It is a highly…
Linux CommandsHow to Backup Crontabs of All Users on CentOS, RHEL, Ubuntu & DabianBy RahulApril 2, 2014Crontabs are very useful in Linux for scheduling repeated jobs. We can schedule any script or command to run on…
Linux CommandsRPM vs DPKG Equivalent CommandsBy RahulMarch 12, 2014Package management is a fundamental aspect of administering and maintaining Linux systems. Two of the most commonly used package management…
Linux CommandsCut Command in Linux with ExamplesBy RahulFebruary 7, 2014The command line can be a daunting place for beginners. It requires a fair bit of memorization and typing to…
Linux CommandsTrendingUnderstanding Crontab in Linux with 20 Useful Examples for Scheduling TasksBy RahulJanuary 1, 2014Are you having trouble managing and running cron jobs on your Linux server? As a system administrator or engineer, handling…
Linux CommandsHow to Find File Creation Time (crtime) in LinuxBy RahulSeptember 13, 2013File creation time is stored in inode in EXT4 file system. An earlier version of EXT files systems doesn’t support…
Linux CommandsHow to Delete Files Older than 30 days in LinuxBy RahulAugust 5, 2013Deleting old files in Linux helps keep your system tidy and saves space. If you have files you don’t need…
Linux CommandsHow to delete blank lines in a FileBy RahulJuly 8, 2013As a programmer or developer, it’s common to encounter files with empty lines that need to be removed for better…