Linux: Edit Environment Variables on the Fly with varedit
The varedit function is a versatile and user-friendly Bash function designed to simplify editing environment variables in memory using……
$ grep -rn "#Linux" ./posts
How to Find Files, Print Modification Date, and Show Size in MB on Linux
When working on Linux, there are scenarios where you need to find specific files, print their modification dates, and display their sizes……
Linux: Using the maybe Command for Randomized Testing Scenarios
The maybe command is a custom alias in Linux that randomly returns either true or false. This randomness can be an excellent tool for……
How to Tail a File and Add Timestamps in Real Time on Linux and macOS
When monitoring or debugging log files, it’s often helpful to tail a file and add timestamps to each new line as it appears. This guide……
Linux: Add File Icons to Your ls Command with colorls
The command line is a developer’s trusty companion, but the default ls command can feel a bit drab with its plain output. Enter colorls, a……
Migrate A Running Linux Process on Another Machine Using CRIU
Introduction…
How to Generate a QR Code for Wi-Fi Connection from the Command Line
QR codes offer a quick and easy way to share Wi-Fi credentials. By generating a QR code, users can scan it with their smartphone or tablet……
How to create a directory that will automatically zip files
When managing large file systems, automating routine tasks like file compression can help improve storage efficiency and reduce manual……
How to replace the nth occurrence of a word using sed
Assume the following scenario, you have a text file and you want to replace each nth occurrence of a word on each line, using sed is a……
How to force a Linux server to shutdown if there is no active SSH connection for the last hour
Ahh the cloud! What a wonderful time to work as a sysadmin/devops. you have the power to create an unlimited number of virtual machines……