devops / SSH

https://www.youtube.com/watch?v=qvdlLTyUJ5I

creating a key: ssh-keygen -t rsa -b 4096 -f ssh_host_rsa_key < /dev/null

devops / ops

identity management

https://spiffe.io/

secrets

https://github.com/Infisical/infisical/blob/main/README.md

hosts

status

https://www.openstatus.dev/

disks

ncdu disk usage fast with a GUI https://dev.yorhel.nl/ncdu

osx

kill

kill stuff running on port: lsof -i tcp:3000 gives the offender - which then can be killed