sed command in Linux
sed is a stream editor that applies the commands one by one on each line of input and writes the resulting lines on the standard output.
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September 29, 2018
grep Command in Linux
grep is a program for searching string patterns in files. It searches files for the patterns and prints the matching lines.
September 29, 2018
Posting images on Twitter
How to optimize the size of an image for sharing on Twitter so that the full image is visible in the tweet stream is explained.
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September 29, 2018
Shell Scripting Tutorial
A shell script, or bash script, is a list of commands written to automate some system operations work in Linux.
September 29, 2018
An Introduction to Shell in Linux
Shell is the command line user interface to a UNIX-like system. bash is the default shell under Linux.
September 29, 2018
Network Traffic Control with tc command in Linux
tc is a user space program for managing qdiscs for network interfaces. tc is used for configuring traffic control in the kernel.
September 29, 2018
ss command in Linux
The ss command gives the socket statistics. It gives information about the network connections. ss is a replacement for the netstat command.
September 29, 2018
Getting WordPress to work with Varnish 4.0
With Varnish 4.0, VCL has changed. The changed VCL for dropping cookies for a WordPress based site using Varnish cache server is provided.
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September 29, 2018
Drupal: Web page stuck in maintenance mode
A web page of a Drupal based web site getting stuck in maintenance mode. Steps required for resolution of the problem are given.
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September 29, 2018
nginx 502 Bad Gateway Error
A website started giving the "502 Bad Gateway" error after a software update. Steps required for resolution of the error are given.
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September 29, 2018