Ein guter Vortrag zum Thema “saubere Softwareentwicklung”:
These commands enable a working access via SSH using keys:
chmod 0700 ~/.ssh
chmod 0600 ~/.ssh/*
I always forget this and get really annoyed when keys don’t work. So here you are.
If you need to know information on a web ssl certificate, but the accompaning URL redirects inmediately, it can be difficult to optain that information. Here’s how you do it in the CLI:
openssl s_client -connect foo.example.com:443 < /dev/null | openssl x509 -text