Tag: Linux Basics

Linux

Executing the Same Command on Multiple Unix-Linux Terminals

Multiple times it happens when we have to run one single command on different Unix/Linux servers simultaneously. Running the same command on different servers at the same time…
Linux

Best Way to Remove Old Unused Kernels – CentOS / Red Hat Linux

Keeping your Linux system clean could be a tedious and intimidating task, but if you know the right tools this could turn into a fun activity. In this…
Linux

CentOS 8 Available for Download | How to Install

Good news for all the Linux lovers as CentOS has released its own version of Red Hat Enterprise Linux (RHEL) 8 after 5 months of its official release…
Linux

5 Ways To Find Any Commands in Linux Servers

We know that almost all of the native Linux commands are located in ‘/usr/bin’ & ‘/usr/sbin’. And the third party software generally installs their files in “/opt” directory.…
Linux, Certification

How to Configure Yum Repo using CD/DVD ROM in RHEL 7 / CentOS 7

Yum repository is very important and they help us in installing required RPM from vendor websites or even local repo. You will be surprised to know that a…
Linux

Useful Linux Command Line Shortcuts (Become Terminal Ninja)

From a quite long time, I was thinking to share some useful Linux terminal shortcuts with you. These Linux keyboard shortcuts are very helpful and will speed up…
Linux

[Linux Basic Tutorial] How to Update Linux Server using YUM

Keeping your Linux/Unix server updated is a very crucial task as a system administrator. Not only it mitigates many vulnerabilities, but also help in smooth running of the…
Linux

Must Know Usage of “grep” Command with Examples

There are lots of commands in Unix/Linux which makes system administrator life easy. Whether you have to search for some particular string in a very large file or…
Linux

Basic Level Comparison Between SystemV & SystemD

I was getting many requests through emails and messages to tell the basic difference between SystemV & SystemD, so I thought to make an infographic for it. SystemD…
Linux

2 Simple Steps to do Passwordless SSH

Sometimes, as a Linux/Unix system admin, you require to login to remote servers, but if this is your daily task and you frequently login to remote servers, which…