pdsh

runs commands in parallel

Run command on hosts

$ pdsh -w [host1,host2] [command]

Run on host range

$ pdsh -w [host[1-10]] [command]

Use SSH

$ pdsh -R ssh -w [hosts] [command]

Run with sudo

$ pdsh -w [hosts] sudo [command]

Copy files to hosts

$ pdcp -w [hosts] [local_file] [remote_path]

pdsh [options] [command]

pdsh runs commands in parallel. Parallel distributed shell.
The tool executes on multiple hosts. High performance cluster administration.

-w HOSTS

Target hosts.

-R MODULE

Remote shell module.

-l USER

Remote username.

-t TIMEOUT

Connect timeout.

-f FANOUT

Parallel connections.

Requires remote access configured. Module dependent (ssh, rsh).

pdsh was created for parallel command execution across cluster nodes.