Find my IP address

$ ifconfig
$ hostname -I
$ ip addr

Test network connections

$ ping localhost

Connect to wifi ports

$ nmcli dev wifi list  # network manager command line interface (nmcli)
$ nmcli dev wifi connect JASMINE
$ nmcli dev wifi connect TELLO-591FFC
$ nmcli connection
$ sudo nmcli connection modify TELLO-591FFC connection.autoconnect yes

ssh Replaces rlogin and rsh. ssh -p 7822 voyccom@az1-ss8.a2hosting.com SFTP A protocol to do file transfer over SSH, emulating FTP syntax. SCP A protocol to do file transfer over SSH, emulating the syntax of rcp in BSD Unix.

scp from.txt to.txt scp username@host:path/* . scp . username@host:path/ scp -pr -P 22 jhagstrand@web612.webfaction.com:db_archive . scp -pr -P 7822 voyccom@az1-ss8.a2hosting.com:webprod/mai/config.ini .

-P remote-port -p preserve files modification and access times -r copy directories recursively