https://old.andunix.net/ 2026-06-03T19:35:03+00:00 https://old.andunix.net/ https://old.andunix.net/_media/favicon.ico text/html 2015-02-11T14:42:38+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/cryptography/openssl/download_server_certificate Download a Server Certificate First, load the certificate chain from the server: openssl s_client -showcerts -connect www.example.org:443 </dev/null This will output the whole server certificate chain. Every chertificate ist wrapped between ----- text/html 2014-02-02T12:02:33+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/p/dmx/program Program The controller (Arduino) can be programmed to animate the value on a DMX channel from one value to another. The contoller has an program counter which is counted up by one every iteration. The iterations will be 5ms (200Hz), 10ms (100 Hz) or 20ms (50 Hz) long. The value of the program counter ist exchanged between the host an the controller with the command text/html 2015-11-30T12:09:18+00:00 Anonymous (anonymous@undisclosed.example.com) https://old.andunix.net/info/sysadmin/ssh SSH SSH with Public Key Authentication only /etc/ssh/sshd_config Make sure that your SSH config file (sshd_config) contains these settings: PubkeyAuthentication yes PasswordAuthentication no If you changed the config, make sure to restart sshd to activate ist: