Posted in Computer Science Web Server
How DNS Service Works
The Domain Name System (DNS) is a nearly indispensable system for the internet to function. It converts a domain name (e.g., example.com) into an IP address (also known as…
Posted in Linux/UNIX Server Computing
Solve screen resolution problem when installing Proxmox
Recently, I had to install a Proxmox on an HP Proliant DL380 Gen7 (yes, it's old, but I had no choice), and I encountered a problem that is quite particular: the resolution...
Posted in Linux/UNIX Server Computing
Proxmox: Reduce the size of a virtual machine's disk
For a project, I had to increase the disk size of my Nextcloud virtual machine to over 600GB to share several large files. The problem is that now...
Best practices for backup and restore strategies
We all know (at least I hope so), backups are important, especially in these cases: Loss of data following a hardware failure Disk encryption Loss of...
Posted in Computer Science Web Server
Commercial VPNs: Secure and Useful?
You've probably come across advertisements or commercial collaborations promoting VPNs promising secure browsing and preventing tracking. Let's take a look...
