In providing support to businesses, I've often seen common mistakes. I'll elaborate on them below to help other SMEs avoid making the same error. Allocating too little budget to the IT system: Businesses often don't want to invest too much money in their network or servers. However, it's essential to be... Read more
I manage and maintain several web applications, but unfortunately, some are still using CodeIgniter 3, which only supports PHP version 8.0.30. To continue maintaining them (despite the fact that this PHP version is obsolete and the projects have been migrated), it's necessary to... Read more
Having recently upgraded to Debian 13 for my workstation, I continue developing web applications with a local Apache server. The problem is that to modify files in /var/www/html, I have to make the changes as root via my IDE. The solution to this problem is to add myself to the www-data group to... Read more
When I set up a Debian 13 workstation, I usually use the KDE Plasma graphical interface. It's quite similar to a Windows interface (to avoid confusing users), it's rather attractive, and quite customizable. Sometimes, certain applications installed on a Linux system can only be launched via the command line... Read more
Recently, I discovered that the OpenVPN package on my OPNsense will no longer be updated after version 26.1, meaning January 2026. Instead, the Decision team has integrated the WireGuard VPN server for several versions now. What are the differences between the two products? WireGuard's configuration options stand out... Read more