Collecting notes on databases management, mainly Postgres. Change password It could be that connecting from localhost does not require a password. In that case, you have to replace trust with scram-sha-256 in /var/lib/postgresql/data/pg_hba.conf and either restart the service or run SELECT pg_reload_conf(); to apply...

Here are my notes, ideas, and the bibliography of A Jester’s Guide to the Fediverse, my talk at Berlin FediDay 2026. Notes Going where the people are cool but techno-averse (not techno music but technology) make them curious first. Put them in the position where they are asking you to join the Fediverse. stickers...

Going where the people are cool but techno-averse (not techno music but technology) make them curious first. Put them in the position where they are asking you to join the Fediverse. stickers tattoo clown and jester things Neighborhoods and proximity

This section was transcluded from A Jester’s Guide to the Fediverse Here are my notes, ideas, and the bibliography of A Jester’s Guide to the Fediverse, my talk at Berlin FediDay 2026. Notes Going where the people are cool but techno-averse (not techno music but technology) make them curious first. Put them in the...

I belong not to the people but the soul of my home. These rocks, paths, shaped by tides and greed. I belong to the cracks of solitude on a shore of clashes, silent witness of hollow present pursuits. I surrender to the mast, steadfast, mighty. I bow to the boom, swifting, aching. Posterity, the remnants gliding to...

I originally planned to host an HTML day celebration and mini-workshop for HTML Day: https://pan.rent/@tommi/116755244186938844 Unfortunately, I had too many things on my plate and I could not do it. If I was in Rotterdam (where Sevgi is hosting a super cool HTML event btw), I would have definitely made something up...

Nebuchadnezzar has been using YunoHost for at least half a decade. I am immensely grateful to this software and its maintainers, most importantly because I respect their work, they are politically positioned, and they are very much aligned with the kind of critical perspective I wish all Free Software maintainers...

I decided to move away from YunoHost. Here are my notes migrating Nebuchadnezzar from YunoHost to container-based services using Podman. Vaultwarden Follow the comprehensive backup guide. #TODO Listmonk Migrating is probably not worth the trouble, since the archive of all my newsletters is published on tommi.space....

I am starting to learn about Linux firewalls because directly exposing Bocia to the Internet, without a VPN, makes it crucial to secure the machine as much as possible. The first concepts I got familiar with are the ones explored in the following podcast episode. https://youtube.com/live/YJZV79C-rNU Blocklist...

Dear Daring Adventurer, by receiving this Fediverse challenge coin, you hereby join the Fediverse Rebel Alliance. As you may notice, this coin has identical sides, unlike military-inspired challenge coins. That is because the powerful object now in your possession is not made to pursue petty personal competitions,...

Wake-on-LAN is used to power up devices via LAN. ip -br link to find the name of the network interface in use. sudo apt install ethtool to install the tool required to inspect the Ethernet configuration. sudo ethtool enp2s0 to check whether Wake-on-LAN is available and/or enabled. Wake-on: g means it is enabled. I...

There are several problems with self-hosting at home by exposing the local network to the Internet. Among them, the public IPv4 address of the home network might change unexpectedly, requiring a Dynamic DNS configuration. Furthermore, exposing a home’s public IP address may be a privacy concern. This is why it is...