Some time ago, I bought wireless headphones Bose QuietComfort 35 II, they have nice sound, great noise cancelling and I have to say I immediately took to the comfort of having no wires attached. They connect seamlessly with Android phone, …

MATE and bluetooth headset problem Read More »

Tagged with: ,

I have to say I feel slightly ambiguous about Flatpak. On one hand, I’m really glad it allows me to run applications like Spotify, Zoom or Skype on my computers in a convenient way. Applications that are not open sourced, …

Disable automatic Flatpak updates Read More »

Tagged with: , ,

I had to update an already unsupported Postgresql instance running on version 9.3 to the latest version 11. Luckily, this process is quite straightforward and all the hard lifting is done by the postgresql update tool. The only problem there …

Upgrade Postgresql from 9.3 to 11 Read More »

Tagged with: , ,

Beta version of Red Hat Enterprise Linux 8.0 was announced recently. It can be downloaded without any registration, or you can go through the Developers Program and get a subscription for development usage for free. I downloaded the ISO this …

RHEL 8 Beta Read More »

Tagged with: , , , ,

Note: I wrote this post during Christmas break 2017, but it took me some time before I managed to give it a better form, verify the steps again and publish it. Hence some Xmas references in a text published during …

Migration from OpenLDAP 2.3 to 2.4 Read More »

Tagged with: , ,

For quite some time, I used to have a low-end motherboard that didn’t support Wake on LAN. So when I left for work or holiday, I would usually leave my home PC on, because sometimes I just needed to access …

Debian buster and wake on lan Read More »

Tagged with: , ,

This is a PC that belongs to my brother in law. He hasn’t been using it for over a year, ever since he switched to Mac, so he’d like to get rid of it. It has i5 (Sandy bridge) inside …

Weekend hobby – PC cleaning Read More »

Tagged with:

I installed Centos 7 on a brand new machine about a half a year ago, and set up KVM with two data pools – one just a regular directory for old raw images, the second being an LVM volume group. …

KVM: Cannot find any matching source devices for logical volume group vg2 Read More »

Tagged with: , ,

I’ve run across this peculiar problem. I was trying to set up IPv6 on a Centos 6 machine. I thought that it would be a simple task – a couple of minutes at most – as I had done that …

IPv6 with gateway in a different subnet Read More »

Tagged with: ,

I got Raspberry Pi 2 as a present from my brother. It’s a nice toy, I was trying out OpenELEC, it makes for a really nice home theater in combination with a NAS on local network. The only drawback was …

Raspberry Pi – analog output noise Read More »

Tagged with: , , , ,