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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, …
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 …
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 …
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 …
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 …
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 »
Spending a lot of time with mouse and keyboard, I decided I would give it a try with trackball. A friend lent me Logitech Trackman Marble for a week to see if I can get used to it. The one …
Scroll emulation with Trackman Marble in Debian 9 Read more »
I’ve had this mail server of mine for some time. I was an early adopter of Gmail back then, but as years went on and it became obvious that messages were data-mined by Gmail, I eventually started running my own …
header_checks and Spamassassin headers in Postfix 2.6 Read more »
I ran into a problem with Apache on Centos 6. For some time, I was the only person who had access to this particular machine so permissions were not a problem. However, now that somebody else is taking care of the website …
I got a machine on which I wanted to try Centos 7 and KVM virtualization. As usual, I had to search for how to do a network bridge as it’s been quite long since I did it last time (on …