Linux

GREP_COLORS – change the colors in the GREP output.

2019/04/22

Today we will look at the variable GREP_COLORS. This variable determines the colour that is used with the grep command. You can look at the man page of the grep command to see what the various options …

copy /proc folder

2019/03/18

Other day, I was trying to copy the proc folder with following command: tar cvzf /tmp/proc.tgz /proc and I found out that all the files in tar were empty. Strange it may seem but lot of people are …

xev – Check the X keyboard events

2018/11/19

xev man page […] xev – print contents of X events […] So other day I was checking why my play key was not working and wanted to check if it maps to one of the X default mappings for the …

Get to your ebooks quickly

2018/11/12

We are using “rofi” here to show the menu. So, lets first install that cat <<EOF >/etc/yum.repos.d/_copr_yaroslav-i3desktop.repo [yaroslav-i3desktop] name=Copr repo for i3desktop owned by …

systemctl enable and start service

2018/09/10

Most of the times when I want to enable the service, I find myself enabling it immediately or it is vice versa. So, the commands I used to use were: systemctl enable sshd.service systemctl start …

Display IP address in console login screen

2018/04/30

Here is one liner that will add the current IP address in the console login screen (if you are not running X as is case for servers): (ip -o -4 a| awk '$2 !="lo" {print "\nIP Address ::"$4}' |tr '\n' …

Linked clone with qemu-img

2018/04/09

As you would have seen in Virtualbox or vmware, there is option to create a linked clone. I wanted to use the same feature as “Snapshot” feature anyway does not look/work so great with virt-manager. …

Battery life on laptops

2018/02/05

To improve your laptop battery life, just do the following:

Fix weird flux menu

2017/05/03

Some distro’s just add all the items under single menu and thus the menu itself becomes unusable because of the number of items in the submenu and this I did not like and hence ceated this simply …

Windows Vs Linux – One more time

2017/04/07

Image via Wikipedia […] One of the most written and commented articles has to be Linux vs Windows (of course there are competitors like vim vs emacs) but none has been covered so much as Linux …

Celebrating 25 Years of Linux Kernel Development

2017/04/03

Linux is now 25 years old, but it’s no hipster. It’s not chasing around Pokemon, and it’s not moving back in with its parents due to crippling student debt. In fact, Linux is still growing and …

flatpak – get latest libreoffice

2017/03/20

flatpak is tool similar to 0install. You can find more details here.


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