Shadowsocks is a well-known sock5 proxy, it’s fast and easy to install. Compared to other clients shadowsocks is the most active developed sock5 proxy client and server. SOCK5 proxy usually uses port 1080, but it can use any port. Shadowsocks…
LibreOffice 7 has been out for a month, bust most distro still uses old LibreOffice 6, especially Ubuntu 20.04 and Debian 10. For who need the LibreOffice 7 must install them manually, which this tutorial for. The how to install…
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…
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…
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…
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…
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…
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…
htop a cross-platform process viewer with colorable, similar to top, the default process viewer on Linux. The old htop has been stagnant for few year before group of volunteers asking the author to maintenance the next htop which is the…