Split pcap to multiple files based on number of packets

2019/06/03

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 …

libvirt- Create virtual machine with text console only interface

2019/05/27

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 …

IT Trends That Will Boost Global Economic Growth

2019/05/06

IT has been known to have a great impact on the global economy and has been linked to marketplace transformation, better standards of living, and international trade, among other things.

Fedora – dnsmasq with NetworkManager

2019/04/29

I have been thinking of writing about this for long time but someone else did and it is nice write-up so here is the link – https://fedoramagazine.org/using-the-networkmanagers-dnsmasq-plugin/

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 …

How much money flows through IT

2019/04/15

Check out this amazing infographic […] Global IT Economics [Infographic]

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 …

cool sed/grep magic to convert output to csv format

2019/03/11

I generallly keep doing this a lot, so thought will share with you. Lets assume we are capturing free ouput every min/hour/or whatever. The output looks like this: […] Time: Mon Jan 21 23:59:10 …

Gnome with i3 on Fedora 29

2019/02/25

I have been thinking of doing this for long time, finally I managed to get this working. Here is what you need to do to get i3 with all other gnome services running. First we will create 2 files, this …

bash function for rpm whatprovides

2018/12/31

Sometimes some simple one-liner function can save you a lot of time, like-

wallpaper manager

2018/12/24

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 …

Directories with maximum number of files

2018/12/10

Lot of times, I want to find the directories with maximum number of files and so I wrote this quick function to do exactly the same  


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