How To Install Free SSL Alternative to Lets Encrypt

As you might notice, we use Let’s Encrypt for our tutorial, beside of Let’s Encrypt there are more alternative in free SSL world which supports ACME protocol. We preferred ACME because it has many different client support and compatible with…

How To Troubleshooting DNS on Linux

At some point, DNS will make its way to you. For the older generation System Administrator, there is a famous quote “It is always DNS”. DNS propagation in some countries might take 1×24 hour to propagated, the ISP had some…

How To Securing SSH with SSHGUARD on Debian 10

Once the SSH server started, the bots will randomly try brute-force the SSH server, some servers need to keep using default port 22 for various reasons. The most reasonable reason is to whitelist the IP address of the users or…

How To Create Docker Images For Beginner

Docker used almost everywhere nowadays, many application provides docker images such as Node, Nginx, Java, Laravel and many more which easy to use without any complicated step to each software on your own. By using docker to use the latest…

How To Install Roundcube Webmail 1.4 on Debian 10

Roundcube release version 1.4 which brings a brand new responsive layout, Elastic. Roundcube has been around for a long time, even the most famous control panel cPanel, Directadmin installed Roundcube by default. Many people may already move from managing their…

How To Setup Nginx as Load Balancer

Load balancing is a common technique to make high availability, reliability, and scalability. When the application grows you’ll need to think a way to scaling the server to serve the visitor or customer better. Nginx support few load balancing method…

How To Install Gitea Git Server on Debian 10

For lightweight git server, gitea already gain a lot user because it easy to install and the interface similar to Github. The goal of this post is to provide the easiest, fastest, and most painless way of setting up a…

How to Install Sublime Text on Ubuntu 20.04

Sublime Text for a while had been offering its own repository, which at this time hosted on Digital Ocean. In this tutorial, we’ll install Sublime Text on Ubuntu 20.04 Sublime Text famous for its lightweight installation and fast to open…