Quick list of Linux text processing commands

A quick list of all linux text processing commands with basic usage examples, used in scripting as well as on Continue Reading.....
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Most common tcpdump command examples

Below is the list of tcpdump command usages with different options available in linux. Capture Packets from Specific Interface # Continue Reading.....
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Using cscope for first time- command examples

What is cscope anyways? — Its a interactive way to examine a large C project. Browsing through the files manually Continue Reading.....
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Resolve hostname to ip address in shell

Many a times you require to create shell or bash scripts to fetch ip address from hostnames. There are multiple Continue Reading.....
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How to set default permissions for new created files linux

This post is about setting the access permissions to files and folders that get created by processes and applications installed Continue Reading.....
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TCP/IP state transitions

I am writing this post for all those confused in the TCP IP state transition .Also a animation is used Continue Reading.....
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Creating a Bootable USB without any 3rd party software

I faced this recently and had to install OS on a laptop which did not have a DVD drive, and Continue Reading.....
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Linux command to list which ports are open and listening

Netstat is very useful utility for debugging network issues on linux.The following information can be obtained from netstat : route Continue Reading.....
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Use Jperf to test network speed between two boxes

Jperf is a GUI based utility using iperf commands in background. Download Jperf from here.  To check the network speed Continue Reading.....
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Commands and tools for Network debugging and troubleshooting

A list of  widely used commands for debugging and troubleshooting networks with very brief description.ifconfig   —for all interfacesethtool -S eth0  Continue Reading.....
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