Here is a script that can use tshark to split a large pcap to multiple small pcaps inpcap="test.pcap" max=$(tshark -r $inpcap -n -T fields -e frame.number|tail -1) # This is the number of packets in …

virt-install is an amazing tool to create VMs. If you have created a config file (Kickstart file – ks.cfg), then its only one line un-attended install. If you are using this on remote host with ssh …

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 …

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 …

So, I have been looking for a wallpaper manager with some features like: […] automatically change wallpaper from my directory list […] Get wallpapers from internet […] Possibly …

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 …

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 …

These are some of the image viewers that I know, pick your choice 🙂

Most of the times I need to jump hosts with ssh. What do I mean by that. Let me try to explain : Host Hopping If I need to got to host h3 then I need to first login to h1 and from there to host h2 and …

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

I find myself doing google everytime I want to search for port number mapping. So, here is a short script to do just that 🙂

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 …