George Georgovassilis writes about information technology architecture
When installed as a snap package in Ubuntu 24.04, Gedit displays wrong colours and some menus freeze. The solution is to disable the opengl permission. Either through Settings -> Apps -> Permissions: or on the command line: snap connect gedit:opengl
My two largest grievances with Linkedin are that I can't hide likes and suggested posts from people I don't follow. I've opened support tickets which were "referred to the product team". Alright. Two simple ublock origin filters hide, at least & last, suggested posts: [Update 2025.10.20] Install ublock origin (preferably in Firefox). Open the extension, … Continue reading Hiding suggested Linkedin posts
Updated 2025-07-28 This is a short post about running Ubuntu 24.04 on the Acer nitro ANV15-41 aka Nitro V15. If you are interested in previous post about installing Ubuntu on various laptops, maybe check out Acer Nitro 5, HP ProBook, Asus VivoBook, Lenovo Thinkpad and HP Victus. Installation Installation from an USB SSD worked fine … Continue reading Ubuntu on the Acer Nitro ANV15-41
The problem Zabbix (up to v7.2) doesn't seem to be able to monitor the Docker engine and containers in active mode, nor can it collected container logs, which is surprising, since it collects a wide range of container-, image- and runtime engine metrics in passive mode. The solution is a custom agent2 (I'll refer to … Continue reading A Zabbix active agent2 template for monitoring containers and container logs
Overview & disclaimers This post compares the power efficiency of some voltage boosting circuits. The circuits discussed here are: Buck converter Parallel buck converter Serial buck converter Pulsed transformer Joule thief Honorary mentions What we're doing here is neither complete nor scientific and aspires to more than it delivers. Comparison base line The generic version … Continue reading Comparing the efficiency of DC voltage boost circuits
George's Techblog 