Linux tutorials, DevOps guides, shell scripting, automation, and practical how-to content.
Many times when working on a script we execute multiple commands which we do not want to be printed on STDOUT, and only the intended information be printed on the
I could not find any single utility in bash which can do such comparison for versions or decimals or floating point numbes unless it is an integer. Although if you
### The internet, phones, and gaming I remember distinctly having my first web enabled phone. With a screen that was probably no more than an inch or so big, it
Lately, internet users (read: everyone) are in a bit of a frenzy regarding [online security](https://whatismyipaddress.com/hide-ip). Antivirus and antimalware software is soaring in popularity. There are a million VPN apps for
Below steps are tested on Red Hat Enterprise Linux 7. Being a system administrator we have to perform activities which leads to filesystem and data changes so it is always
By default when we perform search and replace action using sed, that is done globally within a file. Although if you have a line number you can perform the replace
Here our requirement is to remove all the blank lines from a file. Our sample file [root@golinuxhub ~]# cat /tmp/file This is line one This is line two This is
In this article I will show you different ways to perform an action (as per your requirement) ignoring the case of the letters to be searched in a file Below
In this article I will show you various sed expressions which can be used and combined to print or delete specific line from a file IMPORTANT NOTE: My examples provided
We intend to write multiple scripts in the %pre and %post section of the kickstart files as per our requirement but since these scripts are executed in the background it