The uptime command produces a single line of output that shows the current time, how long the system has been running (in minutes) since it was booted up, how many user sessions are currently open and the load averages.




Working from Left to Right

13:33:28 – The time the command was run

up 13 days 22:09 – Been running for 13 Days and 22 Hours 9 Minutes

1 user – How many users are ssh’d onto the server

load average: 0.07, 0.02, 0.00 – SEE BELOW

The load average is simply the average number of processes that are waiting to use the CPU. The load average is just there to tell you, right now, whether there’s a lot of different processes running. The 3 decimal figures are averaged over the last minute, five minutes, and fifteen minutes respectively. When the numbers are all about the same (whether high or low), then the load on the system is consistent over a long(ish) period of time. When the first number is larger than the others, then the load is rising, and when the first number is smaller than the oter two numbers then the system load is falling.

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