linux 🐧

Unlock the full potential of Linux with tutorials covering everything from basic commands to advanced system administration. Our "Linux" tag includes guides on system setup, configuration, troubleshooting, and optimization, ideal for beginners and seasoned users aiming to enhance their proficiency in the Linux environment.

issues 🛠

Need to downgrade your Ghost version?

This is the third 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...

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?

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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.

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Running commands over SSH.

Have you ever wanted to send a command or a script to a remote computer without ever actually logging in to the shell? - well, SSH (Secure Shell) is your friend. Let's say you would like to check your server process activity by using the "top"

linux 🐧

Understand the /etc/passwd file.

The /etc/passwd file is used to keep track of every registered user that has access to a system. In other words, it stores user account information.

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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

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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.

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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.

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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.

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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.

security 🦾🦿

How to Check if Your iPhone is Infected with Pegasus Spyware.

Concerned about recent revelations of widespread political espionage? On the list: Journalists, activists, prime ministers, presidents and a king identified over 1,000 people in 50 countries who were allegedly under surveillance using the Pegasus spyware.

security 🦾🦿

Security Auditing on Ubuntu Server using Lynis.

Lynis is a free and open source host-based auditing tool for UNIX-like operating systems. It scans the system for security information, general system information, configuration mistakes, security issues, user accounts without a password, wrong file permissions, firewall auditing, and so on.

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Aliases explained ...

Do you often find yourself typing long commands on Terminal or searching in the history for a previously typed command? If you do, then you will find aliases super, super handy. Bash aliases allow you to set a memorable shortcut command for longer commands.

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How to Secure Apache Web Server with ModEvasive on Ubuntu Server.

Apache HTTP Server is a free and open-source web server that delivers web content through the internet. Apache is just one component that is needed in a web application stack to deliver web content. One of the most common web application stacks involves LAMP, or Linux, Apache, MySQL, and PHP.

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How to remove PPA repositories on Ubuntu Server.

Whenever you want to install a software package to your Ubuntu system, you first refer to the official Ubuntu repository listed in your system’s sources.list file. If the software is not available there, you can install it through any PPA repository it is available on.

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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.

linux 🐧

SCP Command on Linux Systems.

SCP (Secure Copy Protocol) is a command-line tool in Linux and Unix-like (UN*X) systems that is used to transfer/ copy files and directories across the systems in a secure way over the network.

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How to Change or Set Hostname on Ubuntu Server.

The hostname is what a device is called on a network. The hostname is used to distinguish devices within a local network. In addition, computers can be found by others through the hostname, which enables data exchange within a network.

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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 🐧

Deadly Commands You Should Never Run on *nux Systems ☠️

Whether you're a Linux newbie or veteran, you should never run a command unless you know exactly what it does. Linux can be a double-edged sword. It assumes that you know what you're doing and gives you the freedom to do whatever you want.

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Three ways to Lock and Unlock accounts on Linux Systems.

One of the most critical part of any administrator is the ability to manage user accounts. In the following article, we are going to illustrate the different ways in which a user account can be locked and unlocked in a Linux system.

linux 🐧

Chmod +rwx Command on Linux Systems. (Permissions)

In Linux and Unix-like (UN*X) operating systems, a set of flags associated with each file determines who can access that file, and how they can access it. These flags are called file permissions or modes, as in "mode of access."

linux 🐧

Soft and Hard links on UN*X System.

Hard and symbolic links offer different ways to access files and directories in Linux. Hard links reference the same data on disk, while symbolic links serve as shortcuts to file paths. Both have unique benefits, making them useful tools for efficient file management and navigation.

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.

linux 🐧

Introduction to hashing and checksums on Linux Systems.

Have you ever heard or wondered how to make use of a checksum - Here is an introduction that shows you what is it, and how to use the proper tools to verify the integrity of a file.