4 ways to fix the “Command not found” error
“Command not found” is an error message that is displayed in the terminal when the shell is unable to locate…
4 ways to fix ssh: connect to host port 22: No route to host
The “No route to host” error can occur when attempting to connect to a remote host using the Secure Shell…
3 ways to fix FileNotFoundError: [Errno 2] No such file or directory
FileNotFoundError: [Errno 2] No such file or directory is an error that occurs when a Python program or script attempts…
4 ways to fix SSH Permission denied (publickey)
Remote access via SSH is a cornerstone of Linux administration, but it often fails with the frustrating “Permission denied (publickey)”…
Mastering Linux Export Command
The export command is a bash shell BUILTIN command. It tells the Linux shell to make the variables available to…
What is PATH variable in Linux and how it works
The PATH variable is a list of directories that contains executable programs. It controls where your shell will look for…
3 ways to find Which Process Listening on a Particular Port in Linux
In Linux, there are several commands that can be used to find the process name associated with a specific port…
4 ways to check network usage in Linux
By keeping an eye on your network usage, you can make sure that your system is running smoothly and efficiently.…
What is sparse file and how to check it?
A sparse file is a type of computer file that has holes in it. These holes don’t contain actual data.…
5 useful Linux network troubleshooting commands
Here are five commands that we can use to troubleshoot network issues in Linux. ifconfig: the ifconfig command is used…