How to generate random password from the CLI

There are a lot of ways to generate random passwords, starting from simple password generator sites found online to the most advanced...

In Linux, Nov 27, 2021

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How to generate random password from the CLI

There are a lot of ways to generate random passwords, starting from simple password generator sites found online to the most advanced password management solutions. Today’s topic will...

In Linux, Nov 27, 2021

How to install Certbot on Amazon Linux 2

Using the AWS amazon linux 2 template for your EC2 instance is always a preferred way as an AWS-optimized and proprietary template. So if your web application requires an SSL certific...

In Certbot, Nov 26, 2021

File locking with flock 101

As a concept, file locking in Linux purpose is to control access to a shared resource between multiple processes, in a way to indicate which process is next in line so it could use th...

In Linux, Nov 25, 2021

How to install Terragrunt on Ubuntu

Working with terragrunt as a terraform wrapper will ease things and simplify the terraform templates. Here I will show you how to set up quickly on your Ubuntu machine.

In Terragrunt, Nov 24, 2021

mtime timestamp and the 24h period cheatsheet

For those who might be questioning, mtime or short for modified timestamp, is a Linux file timestamp which usually goes hand in hand with the find command in the most common scenarios...

In Linux, Nov 23, 2021

How to update Visual Studio Code on Debian based distro

Some old VS Code versions are getting git issues, for instance, you are not able to pull or push to your repo due to authentication issues. If you try to authenticate through your Lin...

In Debian, Nov 22, 2021

Which shell am I using - how to check

Linux comes with support for multiple flavors of shell, including bash, zsh, ksh, csh, and so on. This time I’ll be focusing on how to find out which shell you are using, which is the...

In Linux, Nov 21, 2021

Jenkins - same workspace for multiple jobs

In order to save some space on your Jenkins instance or if you need to create some backup jobs for multiple environments, you will need to enable shared space between multiple jobs. I...

In Jenkins, Nov 20, 2021

How to reload shell session

In order to update and see changes made in the shell environment, most of the time a reload is required. So, instead of restarting the machine and wasting a lot of time, a simple comm...

In Linux, Nov 19, 2021

How fix Docker can't start service network not found

If you have already created a docker-compose stack and you are trying to restart the containers or start them you may face Docker error: Cannot start service ..: network $network-id n...

In Docker, Nov 18, 2021