The cp (copy) command is one of the most basic tools in any Unix-based operating system, such as Ubuntu, Mint, and Debian. It is used to copy files and directories from one location to another. This tutorial aims to provide a comprehensive guide for the effective use of the cp command in the context of Linux-based...
SSH is one of the pillars of remote and secure communication between computers, and one of the most well-known and used is PuTTY. Known for its popularity on Windows, PuTTY can also be a useful tool for Linux users.
We’ll show you how to install this powerful tool on some of the most popular Linux distributions:...
The “Couldn’t grab mutex” error in Apache2 occurs when there is an issue related to file locking. This problem is often encountered when using Certbot and SSL certificates on Linux Ubuntu or Linux Mint. In this guide, we will focus on a solution to resolve this error.
Apache is a widely used...
Virtual Private Networks (VPNs) are essential tools that help you securely connect to remote networks and protect your
data from prying eyes. One such VPN is FortiClient’s SSL VPN, which can be accessed through a free and open-source client
called OpenFortiVPN.
This tutorial will walk you through the...
We often need to move files from a local machine to a remote server or vice versa, especially when managing or deploying code on servers. One efficient way to do this is through Secure Copy Protocol (SCP), a tool that’s built into the SSH (Secure Shell) protocol. This guide will walk you through how to use SCP on...
An .APPLICATION file is a ClickOnce Deployment Manifest file that runs over .NET Framework.
This article describes what an APPLICATION file is and how to open one or convert one to a different format.
The .application is meant to run on Windows Systems, so,...
When you have a main shell script but inside it you call other shell scripts, let’s call then A.sh, B.sh and C.sh. All are successful and their exit codes are all equal to zero. However, when you look into the output file of the first script which is A, it contains an error message. In your logic sequence the...
Step by step on how to solve the "fatal: BRANCH RENAME FAILED" error when trying to rename the name of a git branch.
Permission denied problems with Docker on Linux Ubuntu, Linux Mint or MacOs are frequently associated with files or system services permissions.
A common problem when performing docker-compose, even docker for the first time is the lack of...
Docker is an Open Source platform for development, deploy and application execution. You need to install it to execute on operating systems. In this article we will see how to install and configure in Linux Debian: Mint and Ubuntu based distributions.
Docker allows you to separate apps from your infrastructure so you...
Are you running out of space on your Linux system? Here are several ways to clean your system to free up space in Ubuntu and other Linux distributions based on Debian as Linux Mint.
Over time, the hard drive of any operating system can be disorganized as programs are added and removed. If you have 1 TB (a Terabyte) of...
Conky is a very light system monitor to be used on desktops with the X server in Linux systems such as Ubuntu, Debian, Mint, Redhat, Mandriva, etc.
If you, like me, like to have some information about operating system, quickly available on the screen, meet Conky, which I consider the best desktop monitor on Linux....
Linux is a multiuser operating system, and thanks to this several people may be authenticated and working on a particular machine at the same time.
To ensure safety, as good practice users do not share credentials in the same account, and each person will have their own access user. This means that best practices...
Bash is a command line language (you know that black screen) for Unix based operating systems such as Linux. It allows you to control your computer using programmable commands. Being a software developer or system administrator, there are several reasons why learning Bash or Shell and get the best out of the...
How to create permanent `bash aliases` to use whenever you open your terminal in Linux.
