LINUX COMMANDS

This category covers topics including various linux command line utilities and its uses.

Everyday Linux ps command Examples for System Admin

ps child

Linux/Unix system administrator should be very proficient in performance monitoring and tuning. For performance monitoring, administrator should understand how various Linux component and processes works (like CPU, Memory, I/O and Network). Process status (PS) is a command used to display current [...]

Bobbin Zachariah 9:27 am

How to List Linux Pci Devices Using lspci Command

The peripheral component interface is a computer bus used for attaching the hardware devices in a computer. 'lspci' command is used in Linux operating system to display all the information about these PCI buses of the system and devices which are [...]

Bobbin Zachariah 10:09 pm

How To Use Screen And Script Command In Linux

The screen is a terminal multiplexer. Using this, you can run any number of console-based-applications, interactive command shells, course-based applications, etc. You can use screen to keep running program after you accidentally close the terminal, or even after you log out and [...]

Bobbin Zachariah 6:44 pm

Rsync Command Examples in Linux

In this article, I would show the different rync examples to sync file/directories to the destination server. Rsync can recursively copy files and directory, copy symlinks as symlinks, preserve (permissions, group, modification time and ownership). The main advantages of the [...]

Bobbin Zachariah 6:32 pm

How to Use Linux Route Add Command

This article I will explain how to modify, remove or add static routes in Linux with route add command. Routing is the way that computers communicate on a local network or over the internet. When you want to talk to someone, [...]

Bobbin Zachariah 2:29 pm

Can dd Command Used To Wipe Data? Examples

Linux dd command

dd is a common Unix program whose primary purpose is the low-level copying and conversion of raw data. You can use this command backup whole hard drives, create a large file filled with only zeros, create and modify image files [...]

Bobbin Zachariah 11:30 am

How To Use Linux Kill Command

Linux Kill Command

The word kill itself shows its clear meaning and purpose. In Linux, kill command is used for terminating the process. The command kill sends the specified signal to the specified process or the process group. First we need find PID [...]

Bobbin Zachariah 11:27 am

How to Backup LVM Configuration on Linux (vgcfgbackup & vgcfgrestore)

LVM Backup

Due to several reason a volume group may become corrupted after unintended user intervention. LVM will not be aware of this situation unless the alternate is already on the volume group, and may allow to add the alternate path to [...]

Bobbin Zachariah 9:14 pm

How to Create Partition in Linux

df-h

In this tutorial, let's learn how to create a partition on Linux using fdisk commands. Fdisk is a command line utility that provides disk partitioning functions for various operating systems. It was originally developed by IBM in 1983 and since then [...]

Bobbin Zachariah 9:09 pm

How to use Linux tr Command with Examples

Linux Tr command

The tr command is used in Linux for translating characters. it needs two sets of characters. It replaces occurrences of the characters in the first set with the corresponding character from the second set. For example, tr command can be used [...]

Bobbin Zachariah 12:01 pm