To ssh via pem file
ssh -i /path/to/file.pem user@example.com
To connect on an non-standard port:
ssh -p 2222 user@example.com
To connect and forward the authentication agent
ssh -A user@example.com
To execute a command on a remote server:
ssh -t user@example.com 'the-remote-command'
To tunnel an x session over SSH:
ssh -X user@example.com
ssh -f -L 8080:remote.example.com:5000 user@personal.server.com -N
To launch a specific x application over SSH:
ssh -X -t user@example.com 'chromium-browser'
To create a SOCKS proxy on localhost and port 9999
ssh -D 9999 user@example.com
-X use an xsession, -C compress data, “-c blowfish” use the encryption blowfish
ssh user@example.com -C -c blowfish -X
Copy files and folders through ssh from remote host to pwd with tar.gz compression. when there is no rsync command available
ssh user@example.com "cd /var/www/Shared/; tar zcf - asset1 asset2" | tar zxf -