System MonitoringLesson 30Free preview
Bash Uptime
This lesson is part of Bash · All levels
Summary
The uptime command displays how long the system has been running since it was last activated, the number of user logins, and the average load. The three load averages represent the mean of the last 1, 5, and 15 minutes. Load numbers close to the CPU core number indicate the system is busy.
Key points
- Uptime displays long flashes and average loads
- Load averages are given for 1, 5, and 15 minutes
- Load approaching the core number means the CPU is full
- Also shows the number of users who logged in
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