Vyatta Network OS Documentation

Learn how to install, configure and operate the Vyatta NOS, which helps drive our virtual networking & physical platforms portfolio.

CLI help

Help that you can get directly from the CLI.

You can get CLI help by entering or pressing any of the following commands or keys at the command prompt.

Table 1. CLI help
Enter or press this To display this


Available system shell commands

help command

Help and usage guidelines for the specified shell command

<Tab> or ?

All available Vyatta NOS commands and completion of commands

Find available commands

At the command prompt in operational mode, press the <Tab> key or the ? key.

vyatta@vyatta:~$ <Tab>
Possible completions:	
   add          Add an object to a service
   clear        Clear system information
   clone        Clone an object
   configure    Enter configure mode
   copy         Copy an object
   delete       Delete an object
   generate     Generate an object
   monitor      Monitor system information
   mtrace       Show multicast path in ASCII graphic format
   ping         Send Internet Control Message Protocol (ICMP) echo request
   poweroff     Poweroff the system
   reboot       Reboot the system
   release      Release specified variable
   rename       Rename an object
   renew        Renew specified variable
   reset        Reset a service
   restart      Restart a service
   set          Set operational options
   show         Show system information
   ssh          Start a remote Secure Shell (SSH) connection.
   telnet       Telnet to a node
   traceroute   Track network path to node
   twping       Measure round-trip time using two-way active measurement protocol (TWAMP)
   update       Update data for a service