One of the most powerful data manipulation utilities is awk, a program that incorporates a wide range of data matching, modifying, and programming features. The…
Above file contains many follow along examples with easy to understand instructions. All examples tested in Ubuntu bash shell. After going through this pdf you…
1 – OOM issues Young Generation : It is place where lived for short period and divided into two spaces: Eden Space : When object…
Fanout is a nifty tool for sysadmins to quickly run a set of commands on multiple servers: It runs non-interactive commands (like dd, cat, adduser, uname -a, etc.) and…
This is a frequent requirement when you want to run some program which has a GUI on remote Linux machine , you will get an…
Redirection is a very important concept in Unix, it is quite helpful when you setup cron or schedule the scripts, it helps you in redirection…
You can use below command to find a mount point whose usage is greater than threshold value Example below we have 1st filed as mount…
So we all are hearing various news about Heartbleed Bug, so let’s see which of our middleware application servers are affected by this: Here is…
AIX Command 1. lsof -i :<port number> – This command must be run as root. lsof executable is available here. https://www14.software.ibm.com/webapp/iwm/web/reg/pick.do?source=aixbp&lang=en_US AIX Example Let’s set…
In Below Example Excluding zip files in a particular directory