Many people use VIM editor for their file editing purpose in Linux. When you are coding heavily in...Read More
To list all devices mounted in your Linux OS, you case use commands like df or mount or specific files like /proc/mounts or /proc/self/mounts or even /etc/mtab Using df command df – report file system disk space usage the...Read More
Some three months back we started WhatsApp groups for devops. We created multiple groups for different devops technologies like Cloud, Version Control Systems, Configuration management systems, Virtualization etc. Due to...Read More
In bash, we have many variables. Before learning what are positional parameters and special variables we should know what are variables and how to pass them into a shell script? What are variables in Shell scripting? A variable...Read More
In this blog, we assume that you want to connect your laptop (having a WLAN interface) to your local wifi in command-line without using the Linux Network Manager shown below First, find what wifi device you have on your machine...Read More
This is a small tip when dealing with interactive shell scripting on how to hide sensitive information displaying on the terminal. Scenario: Suppose you want to connect some site using username and password in a shell script,...Read More
In this tutorial, we will use some commands that help us to find files in Linux. These commands are: echo ls find whereis locate List files using echo command Many people are not aware of echo command potential. This will come...Read More
Sometimes you need to know the size of each mysql table to optimize them and gain some free space in the disk. To do so, you can check manually the size of each table in the mysql datadir (generally it is /var/lib/mysql), or you...Read More
Sometimes we use Linux commands with many long arguments, and to use the same command with a little modification we are obliged to go through these args and modify them one by one. Example : touch /home/user1/test/scenario.txt...Read More
Since sysadmin are looking to have racing beast servers, they are confonted to the problem of performance optimization. Nowadays it is not uncommon to see a server with 32G or 96G of RAM or even more. Why to mount so much in...Read More
Apache is the most popular open-source webserver. It is also called httpd in Centos/Redhat distributions. Begin by checking if the server is running or not: [debian.linuxnix] root:~/ # service apache2 status Apache2 is running...Read More
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My name is Surendra Kumar Anne. I hail from Vijayawada which is cultural capital of south Indian state of Andhra Pradesh. I am a Linux evangelist who believes in Hard work, A down to earth person, Likes to share knowledge with others, Loves dogs, Likes photography. At present I work at Bank of America as Sr. Analyst Systems and Administration. You can contact me at surendra (@) linuxnix dot com.