i3 – show mapped hotkeys

2019-12-02 1 min read Learning
Here is a simple script that can show you the hotkeys bound in ~/.config/i3/config : #!/bin/bash - #=============================================================================== # # FILE: i3-showkeys.sh # # USAGE: ./i3-showkeys.sh # # DESCRIPTION: # # OPTIONS: --- # REQUIREMENTS: --- # BUGS: --- # NOTES: --- # AUTHOR: Amit Agarwal (aka) # ORGANIZATION: Individual # CREATED: 11/26/2019 14:22 # Last modified: Tue Nov 26, 2019 02:43PM # REVISION: --- #=============================================================================== set -o nounset # Treat unset variables as an error > /tmp/keys cd ~/. Continue reading

Linux Best Practices and Tips

2017-03-06 26 min read GuestPost Uncategorized
Linux is powerful, flexible, and can be adapted to a broad range of uses. While best practices for administrating Linux servers are not hard to find due the popularity of the operating system, there is always a need for up-to-date Linux advice, along with the best tips, from our experienced Toptal Linux administrators. How to Avoid Frustration After Forgetting To Use Sudo Command <p> Have you ever typed a command in your terminal, only to find out you forgot to prefix it with the </p> <div class="codecolorer-container text solarized-light" style="overflow:auto;white-space:nowrap;width:550px;"> <table cellspacing="0" cellpadding="0"> <tr> <td class="line-numbers"> <div> 1<br /> </div> </td> <td> <div class="text codecolorer"> sudo </div> </td> </tr> </table> </div> <p> command? Continue reading

bash – expand shell variables ( bash bug resolved )

2015-08-17 1 min read bash
As you would have noticed in the recent versions of bash, expansion does not work properly when expanding directory names. So, for something like this cd $varname if you press tab, then variable name does not expand properly. If this is something that is bothering you then you can now add the following in your bashrc and revert to older behaviour: shopt -s direxpand Hope this helps you.

bash 4.0 – new feature mapfile

2011-01-14 1 min read bash Fedora
Recently I encountered a problem where I had to create couple of arrays in bash and these were quite dynamic in nature. This script was supposed to be used by couple of guys whom I did not trust too much in opening the script and modifyikng the array. So, the solution was to put these in different files and then put them in array using bash script itself. This is when I went through the bash man page again and found an interesting new inbuilt mapfile Continue reading