Lukáš Zapletal

Every now and then I need to bring a bunch of my GitHub forks up to date.

Image Builder supports uploading images to AWS through its build or upload commands.

Many companies provide NetBird VPN access configured with a mandatory DNS resolving service to ensure malware protection.

This guide covers deploying a streamlined, self-hosted audio and video archiving setup using Podman Quadlets.

Immich has rapidly become the go-to solution for self-hosters looking to replace Google Photos.

If you have a Fedora 43 (or older) system with public IP with ssh port opened, you are probably getting a lot of records like these: sshd-session[20884]: refusing RSA key: Invalid key length [preauth] sshd-session[31595]: Invalid user shop from 172.94.9.1…

We live in a world where security is paramount, yet network provisioning is often still done via the ancient PXE protocol, which is by design basically an insecure remote execution.

Update 2026: Few changes, added host network mode which is more simple and less confusing.

I was experiencing a weird behavior of Google treating my blog - specifically with pages that had an alias.

While my primary editor is, and always will be, Vim, I find myself using VS Code more and more for longer editing sessions on larger projects.

Modern Linux distributions configure OpenSSH client to refuse connecting to servers without newer ciphers or key exchange algos.

I wrote a small but fast tool called walkalike which calculates how two or more filesystem trees (or OS images) are similar.

I found a much better tool to generate testing X509 TLS certificates than my own script which by the way is not correct.

I use MacOS built-in text replacement feature a ton, however, after I started using Firefox recently I quickly found out that it does not work.

Here is how you deploy Invidious via Podman 5.x or higher.

Update: Updated in 2026 with newer MongoDB version.

The extensive AWS CLI is quite painful to install on Fedora or RHEL since the API is moving so fast that is gets outdated quite quickly.

My main machine for all upstream work was Intel NUC 8th gen running i3-8109U CPU, 32 GB RAM and NVME, SSD and two USB HDDs.

We have a mix of devices at home ranging from Linux workstations, servers, Macbooks, a Mac Mini and a Windows PC.

I use libvirt quite a lot during my development and I like to use it both through local UNIX sockets and unauthenticated TCP.

About structured logging in Go 1.21 Upcoming version of the Go programming language, which is expected to be released in the fall of 2023, will introduce a new package named slog.