TIL ssl certificate check certificate common name check certificate date get certificate from remote host check certificate alternative names docker compose limit log size random stuff remove untagged images networking iptables list iptables rules random find process listening on a port scan host for open ports check active ssh connections bash read read from file or stdin if compare numbers check if argument is passed freebsd random check available services ssh tunnel create ssh tunnel for browsing random check ssh server schemas linux groups list all groups mysql log query log Master master replication error solving configuration kubernetes random stuff edit secrets