Sagar Sharma
157 posts published
How to Save cURL Output to a File?
Learn to save the curl command output to a file for later usage in this quick tutorial.
· Sagar Sharma
Get Script Directory Location in Bash
Here are a couple of ways of getting the directory location of your bash script inside the bash script.
· Sagar Sharma
Various Ways to Increment or Decrement Counters in Bash
Working with loops in bash? Here are various ways of incrementing and decrementing counters.
· Sagar Sharma
What do <, << and <<< mean in Linux?
The <, << and <<< look similar to redirection indicators but they have a different purpose. Learn about them.
· Sagar Sharma
bc Command in Linux
The bc command is used for precision calculation. You are more likely to use it for floating point operations in bash scripts.
· Sagar Sharma
Use While Loop in Bash
Learn to use the while loop in bash with practical examples in this tutorial.
· Sagar Sharma
Find a Directory in Linux
Here are various ways you can use the find command to look for directories with specific parameters.
· Sagar Sharma
Using Until Loop in Bash
While for maybe the most popular bash loop, wait until you discover until. Pun intended :)
· Sagar Sharma
lshw Command in Linux: Get Hardware Details
The lshw command lists the hardware details of your Linux system. You can categorize it to get details on different kinds of hardware.
· Sagar Sharma
Redirect Linux Command Output to File
Want to analyze the effect of Linux command for later? Here's how you can save Linux command output to a file.
· Sagar Sharma
Shell Built-in Commands
In Linux, there are shell built-in commands which you are already using but never paid attention to. Learn more about them in this tutorial.
· Sagar Sharma
Clearing Pip Cache
Cleaning Pip cache helps you in troubleshooting and getting fresh Python packages.
· Sagar Sharma
Read File Line by Line in Bash
Here are a couple of ways for reading file line by line in the Bash shell.
· Sagar Sharma
Run Multiple Linux Commands in One Go
In this quick, beginner's tip, learn to run multiple Linux commands one after another in a single command.
· Sagar Sharma
Use For Loop With Array in Bash
In this Bash scripting example, learn how to use for loop with arrays.
· Sagar Sharma
Check if Variable is Empty in Bash
Learn various ways to check if a variable is empty in bash.
· Sagar Sharma
Use Systemctl Status Command to Check Service Status
Learn how to check and understand the status of a systemd service using the systemctl command.
· Sagar Sharma
Get Array Length in Bash
In this quick bash tip, learn about calculating the array length.
· Sagar Sharma
System Calls in Linux
System calls are an integral part of the Linux architecture. Learn about the most common types of system calls in Linux.
· Sagar Sharma
Suspend and Resume Processes in Linux
Learn how to suspend a running process in the Linux command line. Also learn how to resume a stopped process.
· Sagar Sharma
Appending to Arrays in Bash
In this quick Bash tip, you'll learn about appending to an existing array in bash.
· Sagar Sharma
Using exec Command in Bash Shell Scripts
The exec command in shell scripts is super useful for logging, reading from files and running commands by replacing the current process.
· Sagar Sharma
Everything Essential About the tmp Directory in Linux
Learn some crucial things about the /tmp directory. You'll also learn how it is different from the /var/tmp directory.
· Sagar Sharma
What is $0 in a Bash Script?
Get familiar with the special variable $0 in Bash and learn its usage.
· Sagar Sharma
Force Linux User to Change Password at Next Login
Think the passwords need to be changed by a certain user? Here's how to force a Linux user to change the password at the next login.
· Sagar Sharma
chattr Command Examples
With chattr command, you can make a file 'undeletable' even by root. Here are some common usage of the chattr command in Linux.
· Sagar Sharma
Special Variables in Bash Shell Scripting
The bash shell has some special variables that have specific usages and purposes. Learn more about them here.
· Sagar Sharma
Fixing Mount Point Does Not Exist Error in Linux
Learn how to troubleshoot and fix the 'mount point does not exist' error in Linux with our step-by-step guide.
· Sagar Sharma
Fixing 'Umount Target is Busy' Error in Linux
A not-so-uncommon error while using umount command is 'target is busy'. Learn what you can do to get rid of this error.
· Sagar Sharma
How to Replace Environment Variables Using the envsubst Command
Learn how to replace environment variables using the envsubst command. This guide will show you how with examples and tips.
· Sagar Sharma