show system uptime
Displays information on how long the system has been running.
Operational mode
Use this command to see how long the system has been running, the number of users currently logged in, and the average system load.
The following example shows file system usage information for R1.
vyatta@R1:~$ show system uptime
20:45:59 up 3:04, 2 users, load average: 0.00, 0.00, 0.00
vyatta@R1:~$