rsh

Execute a command on a remote host

$ rsh remote_host ls -l

$ rsh remote_host -l username ls -l

$ rsh remote_host --no-err ls -l

rsh [options] host [command]

rsh (remote shell) executes commands on a remote host using the RSH protocol. It provides basic remote command execution capabilities.
Note: rsh transmits data unencrypted and is insecure. Use SSH for secure remote command execution.

-l, --user username

Specify remote username

Redirect stdin from /dev/null

Transmits credentials and data in plain text. Not recommended for use over untrusted networks. SSH is the secure alternative.

Part of GNU inetutils, providing classic Unix networking utilities. Superseded by SSH for security reasons.

ssh(1), rlogin(1), rcp(1)