Category Archives: Tutorials
How to Install Root or CA Certificate in Ubuntu
Trusting a custom certificate for the development environment is sometimes beneficial for the team and also sometimes we just have the need to trust (install) a CA or root certificate manually. Here is how we can do it easily in ubuntu systems. We consider here that the name of the certificate that needs to be…
How to Increase LVM Disk Space in Ubuntu
Note The following process has been tested on the server version of the following distros ubuntu 16.04 ubuntu 18.10 ubuntu 20.04 Step 01 Shut down the VM and increase the volume in VM’s VMware ESXi settings and restart the VM Step 02 Login into the system via ssh or web console. Change user privilege to administrator (sudo),…
How to Add Passwordless User With SSH Key Authentication
I have encountered this problem of adding a system user to access another system with only public ssh key countless times. Every time I finish adding the user and think this time I am going to write about it so that I don’t have to search for it in google and go down the rabbit…
How to Install Jekyll in Raspberry Pi
Installing ruby Official documentation asks that the system has ruby installed and should be version 2.2.5 or higher. Install ruby with the command- sudo apt-get install ruby-full ruby-dev Installing other dependencies Jekyll requires gcc, g++ and make. These are build dependencies – sudo apt-get install gcc g++ make Installing Jekyll After all the dependencies are…
How to Install NodeJs on Ubuntu
Creating frontend and web-based applications node.js is one of the most popular choices. In order to install node.js we need to decide about the version that we want to install. There are a couple of versions available 13.x 12.x (LTS) 10.x For this project, we will use version 12.x of node.js. To start the installation we need to add the repository…