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PHP 8.1 and GeoIP package is missing, has been obsoleted, or is only available from another source

Today I updated one of my old project from PHP 7.1 to PHP 8.1. After this upgrade I faced with a problem in GeoIP module usage as it was not available OOTB as a part of PHP installation..
Read More »CentOS: How to add swap file

I faced the problem on one of my VPS that leaded to the situation when the system kills ClamAv daemon that allocated all the memory during update. The server has only 4Gb of RAM and I didn’t want…
Read More »Mailu: ClamAV eats up all the memory

I use Mailu as a simple mail server to manage the mails for one of my domain. This application uses ClamAv as an antivirus solution. To host this application I use VPS with only 4 GB RAM. Few…
Read More »Linux: navigation in CLI

I found very nice and simple schema that contains shortcuts for navigation in Linux CLI. Want to keep it here to not forget the source – https://effective-shell.com
Read More »Quick switching from CLI between LAN and WiFi

Usually, I work on my LAN connection, but to use a printer I need to jump to a Wi-Fi connection. This is needed because the printer is connected to the other network and I can’t reach this network…
Read More »Logitech C310 webcam: colors tuning in Kubuntu

I have owned a Logitech C310 web camera for many years, and it covers all my needs. The only annoying thing is that when I need to talk with someone in the evening with room lighting and a…
Read More »Kubuntu: Some applications don’t start from the Application menu

I faced an issue with my Kubuntu when I could not start some applications from the Application launcher (for example Postman and Chromium). It looked like that nothing happened when I tried to execute an application. Despite this,…
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