how to 🪄 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?
how to 🪄 Using Monit to Monitor Linux Daemon, CPU, Filesystem, Network and Files on Ubuntu Server. Services on any server must be operational and perform their duties effectively. It is critical to monitor the overall state of your server, including processes, programs, directories, files, and so on. This is known as system monitoring.
how to 🪄 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
how to 🪄 Working with pipes || on Linux. No, no, nooo... not the PVC one!!! ... but this command-line pipe is just as useful, and its hold a ton of value for system administrators. The | command is called a pipe. It's a form of redirection in Linux used to connect the STDOUT of one command into the STDIN of a second command.
how to 🪄 passwd Command. Both Linux and UNIX-like (UN*X) operating systems use the passwd command to change user's password. The passwd is used to update a user’s authentication token (password) stored in /etc/shadow file. The passwd change passwords for user and group accounts.
how to 🪄 Install & Use Glances to monitor Ubuntu Server. Whether you're a system administrator or a casual desktop user, you've probably heard of the most popular terminal-based system monitoring tools, TOP, and its colorful, feature-rich cousin-in-law HTOP. 😬😅
how to 🪄 Setup/ Change Timezone on Linux. System’s timezone usually sets up your Linux system to fetch Time Zone automatically; it will sync your system through the internet so that it will have the time zone of your closest location.
how to 🪄 Rename or Change User Name and UID on Linux Systems. You might have come across a situation where you want to rename a user name in Linux system, for whatever reasons. In this short tutorial, we will be discussing how to change user name (rename user name) or UID under a Linux operating system using command line tools.
linux 🐧 SUDO command. Sudo stands for SuperUser DO and it allows you to run programs with the security privileges of another user (by default, as the superuser or the root user). It prompts you for your personal password and confirms your request to execute a command by checking a file, called sudoers.
proxies Forward Proxy VS Reverse Proxy. The position of a proxy — is what makes a proxy either a forward or reverse proxy. The easiest way to remember the difference between these two proxy is - Forward proxy is used by clients where as Reverse proxy is used by servers. Let us jump into it.
how to 🪄 How to Configure a Firewall with UFW on Ubuntu Server. One of the first lines of defense in securing your server would probably a good functioning firewall, don't you think❓😎
SSH 🕳 What the heck is SSH? Secure Shell, sometimes referred to as Secure Socket Shell, is a protocol which allows you to connect securely to a remote computer or a server by using a text-based interface.
shell 🛠️ 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.
linux 🐧 What is Linux Kernel? The Linux kernel is the core component of the Linux operating system. It acts as a bridge between a computer’s hardware and its software applications. Here’s a more detailed breakdown of what it is and what it does:
