Networking/Computing Tips/Tricks

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Check out these great references as well: 

 Our custom profiles repository for Wireshark
 Our Udemy course on Wireshark 
 Our Udemy course on Wireless Packet capture

Just introduced this week is a terminal version of T-Shark that looks like the Wireshark GUI call termshark.


Let's say you run either Virtual Machines or Servers without a graphical user interface (GUI) and you want to do packet capture and analysis.  The way we have done this is to run tcpdump or dumpcap or tshark from the command line (you can find our articles on tshark usage here), create .cap or .pcap files then offload them to a PC where we can use the Wireshark GUI to study the captures.  With the new termshark tool, you can do similar analysis via SSH without a GUI.  Now we say similar, because in the introduction we do not have all the features, nor is termshark a replacement for every function of the Wireshark GUI.  Nonetheless, it is a superb start!

We wanted to try it right away.  If you do also, here is how you get started on your Linux machine.

A note up front: there are critical dependencies for the installation to work, so be carefull not to go down the path we did which was a) clone the github repository, and b) try to run termshark.  It won't.

Frankly, the installation instructions on github are lacking at best, but I understand they have to be somewhat vague to avoid particular install issues. 

Here is what I had to do on my Ubuntu Linux machine:

Step 1

Go to the github repository: 

Here is what the github site says:

Screenshot from 2019 04 25 08 39 03

I had to install all these on my Linux machine that has Wireshark.

sudo apt install tshark
git clone
git clone


Step 2

Now, the installation instructions say you must have the 'go' language installed, but no further details. 

I did this with:

sudo apt install golang-go

Step 3

Now we can install termshark with the following command:

go get

Step 4

We now need to add the following to the PATH:


Step 5

If all is well, you should be able to run termshark.  I was anxious and typed:


Screenshot from 2019 04 25 09 10 53

My system defaulted to the only interface I had active.

You may want to be more specific (to see your interfaces you can type 'ip a' or 'ifconfig' or 'iwconfig'):

termshark  -i {interface name}

Here is the 'termshark -h':

termshark v

A wireshark-inspired terminal user interface for tshark. Analyze network traffic interactively from your terminal.
See for more information.

termshark [FilterOrFile]

Application Options:
-i= Interface to read.
-r= Pcap file to read.
-d===, Specify dissection of
layer type.
-Y= Apply display filter.
-f= Apply capture filter.
--pass-thru=[yes|no|auto|true|false] Run tshark instead
(auto => if stdout is
not a tty). (default:
--log-tty=[yes|no|true|false] Log to the terminal..
(default: false)
-h, --help Show this help
-v, --version Show version

FilterOrFile: Filter (capture for
iface, display for
pcap), or pcap file
to read.

If --pass-thru is true (or auto, and stdout is not a tty), tshark will be
executed with the supplied command- line flags. You can provide
tshark-specific flags and they will be passed through to tshark (-n, -d, -T,
etc). For example:

$ termshark -r file.pcap -T psml -n | less


Something Cool

Here I am using SCAPY and watching the results in termshark,  I use Tilix to create the multiple terminal windows:

Screenshot from 2019 04 25 10 42 45 

Oh yes! 


Some usage examples:

Command Result
termshark -i wlo1 Capture packets on the Wi-Fi interface
termshark -i eth0 Capture packets on the Ethernet interface
termshark -i eth0 -f ip6 Capture IPv6 packets on the Ethernet interface using the 'ip6' capture filter (you can simply replace 'ip6' with any valid BPF syntax)
termshark -r example.pcapng Open the 'example.pcapng' capture file in termshark 
termshark -r example.pcapng -Y ipv6 Open the 'example.pcapng' capture file in termshark and apply the 'ipv6' display filter (you can simply replace 'ipv6' with any valid Wireshark display filter syntax)

Hope this helps you get started with termshark.

Off to put this on some of my Linux non-GUI servers.....tongue-out 

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