Gabriella Bennett

She has been a dedicated Linux Server user for the last 15 years. She has tested and used various Linux-based distros, including Ubuntu, Fedora, Arch Linux, Debian, etc... Sharing her experience.

Paid-members only

how to 🪄

How to Clear Buff/Cache in Linux?

how to 🪄

Systemctl daemon-reload.

A unit in Systemd is a systemd object that performs or controls a particular task or action. Systemd uses units to start/stop/manage services, organize boot process, maintain tasks and processes, create sockets, mount file-system, and initialize hardware.

tips

Run Multiple 'Cmds' at once in Linux.

This is the tenth 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 🪄

Query the systemd Journal?

journalctl is a utility for querying and displaying logs on systemd, kernel and journal on journald written by systemd-journald.service. See our previous post on Systemd journal. Working with journalctl command 1. All logs When run without any parameters, the following command will display all the logs in the paginated

how to 🪄

How to change Sudo Session's Time Limit.

The sudo command allows us to securely perform great administrative tasks. However, after some time running a command with sudo, will prompt for a password. Because of the 15 minutes grace period; your sudo session has by default. When the 15 minutes are out, you’ll be forced to reenter

linux 🐧

APT vs Snap: What the, what the hell ...

In Linux, package managers are software tools that assist users in searching, downloading, installing, removing, and updating software packages on their system and can be accessed by either Command-Line or through a Graphical User Interface application. There is a variety of package managers to choose from, including dpkg (Debian Package

tips

How to Remove/ Disable Zsh History' Commands on Linux.

This is the ninth 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...

linux 🐧

Difference between apt upgrade, apt full-upgrade, and do-release-upgrade.

There's an apt upgrade, apt full-upgrade, and do-release-upgrade command. Whaaaaaaaaat _ Well..., don't confuse the three commands to upgrade a Debian- or Ubuntu-based machine as they do different things. Confusing _ That's why we are here for _ seat and relax, let us jump right in. apt

terminal

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.

security 🦾🦿

Is 256-bit SSL Encryption any Safe?

SSL certificates enable encrypted connections between a client and a web server via the transport layer security (TLS) protocol. Nobody can intercept a message while it’s being transmitted over an encrypted connection. Again, it does not protect your website from getting hacked.

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.

linux 🐧

Hashing, Salting, and Password Storage on Linux.

Whenever you want to check your email, open an SSH session, or even make a purchase on any of your favorite websites, you were prompted to create (and if not too much asked, try to remember it!) a password. It is the first line of defense against unauthorized access to your data.

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.

how to 🪄

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 🪄

How to Kill SNAP on Ubuntu Server.

Packages in Linux are managed and distributed via repositories. Package management in Debian-based distributions is officially handled by APT (Advanced Packaging Tool). And of course; as you would have guessed snap is another package management systems.

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 🐧

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.

how to 🪄

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 🐧

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.

NGINX

How to Install Nginx on Ubuntu Server & Set Up Server Blocks.

In this today tutorial, we will install and configure Nginx on Ubuntu 20.04 server adjust the firewall, manage the Nginx process, and also configure some server blocks so we can host multiple domains.

how to 🪄

How to Redirect HTTP to HTTPS in Nginx.

Today, we will explain how to redirect the HTTP traffic to HTTPS in Nginx. How we can secure our website by redirecting all unsecured traffic on port 80 to SSL secured port 443.

linux 🐧

Behind the Scenes: SMTP Server.

Is send emails difficult? From a client's viewpoint, everything looks very straightforward. Under the hood, it is nothing else, complex system that drives messages from the sender to the recipient. Today, we'll be talking about a concept related to an outgoing mail server, known as an SMTP server.