A Minecraft, IPv6, PMTUD and MSS Clamping adventure.
After rolling out IPv6 to my clients Minecraft suddenly stopped working. This is a tale of chasing down broken PMTUD and fixing it.
brank.me
OpenBSD, self-hosting, and hard-won sysadmin knowledge. Standing on the shoulders of giants, documenting the climb for the next person.
Recent Posts
Migrating Netbox From Keycloak to Kanidm
Migrating netbox from keycloak to kanidm
AI Conversation Bridge Experiment
An experimental setup where Claude and Mistral having a chat. Part of the experimental setup is to provide the transcript as a form of externalized memory
lladdr.info OpenBSD
This runbook sets up the shell's environment and installs lladdr.info on OpenBSD
Gotosocial Restore
Restore gotosocial on OpenBSD from a backup following this sites backup procedure.
Docspell Backup
Backing up docspell configuration files and database.
Gotosocial Backup
Backing up gotosical mediafiles and database.
Keycloak Backup
Use this procedure when you want to backup keycloak.
Netbox Backup
Use this for backing up your netbox instance. This is specific to my setup YMMV.
Upgrading Netbox
Upgrading my netbox fork to a new release