Author: S J

This Topic is about Linux Admin - Read and Write to Files. Both reading and writing to files in BASH can done with the input and output redirectors. We have…

This Topic is about Linux Admin - Loop Control. Sometimes (a lot times actually) we will either want to skip loop iteration operation or break out of a loop prior…

This Topic is about Linux Admin - Conditionals. While loops are the main control structures for operational flow, logical operations need to be performed as well. Logical operations can be…

This Topic is about Linux Admin - Loops. Like all other programming languages BASH makes use of common looping structures − for, while, and until. for loop The for loop…

This Topic is about Linux Admin - Variables. Variables in Bash are used like any other scripting language. The syntax may vary from languages such as Perl, Python and Ruby. The first…

This topic is about Linux Admin - Volume Management. Logical Volume Management (LVM) is a method used by Linux to manage storage volumes across different physical hard disks. This is not…

This topic is about Linux Admin - Package Management. Package management in CentOS can be performed in two ways: from the terminal and from the Graphical User Interface. More often…

This topic is about Linux Admin - Shell Scripting. Introduction to Bash Shell Like flavors of GNU Linux, shells come in many varieties and vary in compatibility. The default shell…

This topic is about Linux Admin - System Updates. The CentOS 7 system can be updated in three ways − ManuallyAutomaticallyUpdate manually for major security issues and configure automatic updates…

This topic is about Linux Admin - Backup and Recovery. Before exploring methods particular to CentOS for deploying a standard backup plan, let's first discuss typical considerations for a standard…