Introduction Until recently, I had been using a very old Dell laptop for my personal needs. However, when the motherboard started failing I decided it was time to look into options for replacing the laptop. I looked through many, many options from the “mainstream” manufacturers (e.g. Dell, Lenovo, Acer) and some of the lesser-known manufacturers …
Tag: networking
Apr 06 2023
Fixing Intel Wi-Fi 6 AX200 latency and ping spikes in Linux
Recently, I purchased a mini-PC with an embedded Intel Wi-Fi 6 AX200 wireless chipset and installed Gentoo Linux on it. The reason I purchased the mini-PC was to replace my ageing music server (running MPD), but I also wanted to use it for playing retro video games through my entertainment centre. Everything went well with …
Mar 26 2021
LetsEncrypt SSL certificates for vhosts within the mail stack – via Postfix (SMTP) and Dovecot (IMAP)
For a long time, I didn’t care about using self-signed SSL certificates for the mail stack because 1) they still secured the connection to the server, and 2) those certificates weren’t seen or utilised by anyone other than me. However, for my datacentre infrastructure which houses clients’ websites and email, using self-signed or generic certificates …