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...
Domain Name System (DNS) caching is a mechanism used to speed up the resolution of domain names to IP addresses. When you type a domain name into a web browser - URL Address, the browser first needs to find out the IP address of the server hosting the website before it can connect to it. This is done through the domain...
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.
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...
If you want to set up the Best environment for software development in Linux Mint (or Ubuntu and other Debian based distros), this is the right article for this.
Every software developer organizes their development environment for programming using a mix of technologies and tools to use to program, improve productivity...
What to do when you come across "error - src refspec main does not match any" when renaming a branch in GIT?
When using Laradock, by accessing the container Workspace I have sometimes received the following error when trying to execute PHP composer:
COMPOSER_AUTH" does not match the expected JSON schema, this may result in errors and should be resolved:
- Boolean value found, but an object is required
According to...
How to check out with Git, from a single file, which does not belong to the branch you are working on?
Setting Git and SSH communication protocol to accelerate its use with Github, Gitlab or Bitbucket.
Learn how to solve the error `fatal- refusing to merge unrelated histories` when trying to perform a pull or merge in git
