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A collection of 15 posts

Using the caffeinate Command to Prevent macOS Sleep.

Using the caffeinate Command to Prevent macOS Sleep.

caffeinate is a macOS command-line utility that prevents the system from sleeping by creating activity assertions. It keeps the Mac awake during tasks, automation, or remote operations, ensuring processes continue uninterrupted even when the system would normally idle into sleep.

Using 'find' to Locate Large Files in Linux.

Using 'find' to Locate Large Files in Linux.

In Linux, the 'find' command helps locate large files that may be consuming disk space. It's useful for admins or users needing to identify files of a specific size or larger, especially when cleaning up a system or managing disk usage.

Self-Destructing —Bash Scripts: Run & Vanish.

Self-Destructing —Bash Scripts: Run & Vanish.

This is the Thirteenth in a series of posts, featuring Protips, tips, tricks, hacks, and secrets provided by Our Team 🙊 — We want to share our top tips for the growing and thriving Linux community out there. Because sometimes you need a little help...

/var/run/reboot-required.

/var/run/reboot-required.

In Linux, key components like the kernel and libraries (e.g., glibc) remain active in memory during operation. After updates, rebooting is essential to ensure processes use the latest versions. Without a reboot, outdated components can cause instability, security risks, and performance issues.

The Five (5) Most Used Commands on Unix-like Systems.

The Five (5) Most Used Commands on Unix-like Systems.

Unix-like operating systems offer a wide range of commands for various tasks. Some commands are fundamental for performing everyday tasks efficiently. These commands are essential for navigating the file system, managing files, or obtaining system information. 🎧 Here are the top five (5) most commonly used commands: 1. ls: Lists

49 Most-Used Linux Commands You Should Know.

49 Most-Used Linux Commands You Should Know.

The Linux command line is a text-based computer interface. It's also known as the Shell, Terminal, Console, CLI, or Prompt, just to name a few. Any graphical user interface (GUI) is nothing more than a graphical representation of command-line applications.

Managing Users.

Managing Users.

Linux is a multi-user operating system, which means that several users can interact the system at the same time. As a system administrator, you are in charge of managing the system's users and groups, which includes adding and deleting users and assigning them to various groups.

Most Useful Nano Commands and Shortcuts.

Most Useful Nano Commands and Shortcuts.

Working under any Linux Server involves lots and lots of files configuration. Some use Vi, Vim, or Emacs, yet powerful but somehow tedious to learn. For those who need a more simple and versatile text editor, there is nano. GNU nano is a small and friendly text editor. Besides basic

Rsync Command in Linux.

Rsync Command in Linux.

Backup and recovery describe the process of creating and storing copies of data that can be used to protect organizations against data loss. Restoring from a backup typically means putting the data back in its original or another location, ready to replace any lost or corrupted data.

Most efficient way to Empty File Content in Linux.

Most efficient way to Empty File Content in Linux.

In some situations, you might want to empty an existing file to a zero-length. In another word, removing the file contents without deleting the file. Is that even possible?

v2.wttr.in: Your Weather Forecast right in your Terminal.

v2.wttr.in: Your Weather Forecast right in your Terminal.

v2.wttr.in is a console-oriented weather forecast service that supports various information representation methods like terminal-oriented ANSI-sequences for

Edit /etc/hosts/ in Linux.

Edit /etc/hosts/ in Linux.

The hosts file is a local file or local DNS system that contains a static table lookup for hostnames and IP addresses. It is used to map domain names to IP addresses and can also be used as an alternative to DNS. It is available in all operating systems, including Windows, Linux, and macOS.

How to resolve LAN hostnames on Ubuntu Server.

How to resolve LAN hostnames on Ubuntu Server.

Although we are accustomed to using names (i.e, www.snubmonkey.com) when surfing the Internet, the Internet is pretty much based on numbers known as IP addresses.

How to Kill user tty/pts sessions on Linux Systems.

How to Kill user tty/pts sessions on Linux Systems.

Unix login session can be killed remotely by sending a hangup signal (SIGHUP) to the process running the login session. In this How2, we will dig further into it and explain the command-line option to kill unwanted or unused or idle ttys.

What is "the Unix Shell"- Bash, Fish, Ksh, Tcsh, Zsh.

What is "the Unix Shell"- Bash, Fish, Ksh, Tcsh, Zsh.

Simply put, the shell is a program that takes commands from the keyboard and gives them to the operating system to perform.

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