Linux Ubuntu

Passwordless login with SSH Keygen

Reading Time: 3 minutes What is a rsa key? RSA keys are a public key encryption method that keeps a private key on the host computer, and a public key on other machines. The public key is generated by a mathematical algorithm that can only be de-crypted with the private key. As long as the private key is kept […]


Filesystem and Directory size

Reading Time: 2 minutes Just a quick look at df and du. This comes up a lot when we have filesystems that are filling up and need to find out which directories or logs are using the space. How to find the size of mounted filesystems

Linux nginx Ubuntu

Load Balancing with Nginx

Reading Time: 3 minutes Using Nginx as a load balancer Nginx as you may know is a fast and powerful web server. It can also be used as a simple load balancer. Nginx makes load balancing for applications, web sites, and services between multiple servers fast and easy.