Linux cli snippets

Linux command line snippets

Get website SSL certificate details using CLI

$ echo | openssl s_client -showcerts -servername sendfileto.net -connect sendfileto.net:443 2>/dev/null | openssl x509 -inform pem -noout -text

Temporary stop bash history

Turn off:

$ set +o history

Turn on:

$ set -o history

Alternative is to add HISTCONTROL="ignorespace" into .bashrc file and all things written with space in front wont be recorded in history

Check ssl expiry date on file from cli

# openssl x509 -noout -dates -in /path/to/cert.crt