Nice to remember terminal stuff on the MacOS.

SSH (Secure SHell)

Connect to a remote server

❯ ssh user@89.160.39.33
user@89.160.39.33's password:
Last login: Mon Jan  6 17:44:45 2025 from 89.160.39.33
[user@archlinux ~]$

When I connect to my linux-server

Use a specific key for authentication

ssh -i /path/to/private_key username@hostname

Run a single command on a remote server

ssh username@hostname "ls -al /remote/path"

SCP (Secure Copy Protocol)

Copy a file from local to remote

scp local_file username@hostname:/remote/path

Copy a file from remote to local

scp username@hostname:/remote/path local_file

Copy an entire directory (recursive)

scp -r local_directory username@hostname:/remote/path

Mixed

tomkarlsson@Toms-MBP ~ % shasum -a 256 filename
8de4bab1ab5424707f94f3a4f0690061fce9807d57f132245ca06da6fed96a5e  filename

Gets the ‘Secure Hash Algorithms’ Sum. Switch out 256 for different algorithms.