If you want to know the running time and load of Linux system, you can use the following methods: 1. Use the uptime command to view the system running time and the average load of nearly 1, 5, and 15 minutes; 2. Use the top or htop tools to dynamically view the real-time load information. It is recommended to install htop to obtain a more friendly interface; 3. Directly read /proc/uptime to obtain the total number of running seconds and /proc/loadavg to obtain the load average, which is suitable for script monitoring.
Want to know how long your system has been running and how it has been recently loaded? Linux and Unix-like systems provide several simple but practical commands to view this information. Here are a few methods you can use directly.
1. Use the uptime
command to view the system running time and load
uptime
is the most direct way. Open the terminal and enter:
uptime
The output result looks like this:
14:30:00 up 3 days 5 hours, 2 users, load average: 0.15, 0.10, 0.05
- "up 3 days 5 hours" indicates how long the system has been running continuously.
- The last three numbers are the average loads of the past 1 minute, 5 minutes and 15 minutes respectively.
This command is suitable for quick viewing and can get key information without additional parameters.
2. Use top
or htop
to view real-time load
If you want to see dynamically updated load information, you can use top
:
top
In the first row you will see load data similar to uptime
.
Tips:
htop
is a more friendly alternative that supports color and a clearer interface. If not installed, you can use the package manager to install it, for example:sudo apt install htop # Debian/UbuntuThen run:
htop
3. Read /proc/uptime
and /proc/loadavg
directly
For those who like to go deep into system files, you can directly view the contents in the /proc
file system:
Check the run time (in seconds):
cat /proc/uptime
The output is similar:
298320.12 298000.00
The first number is how many seconds the system has run in total.
View load average:
cat /proc/loadavg
The output is similar:
0.15 0.10 0.05 1/200 1234
The first three items are the average load of 1, 5, and 15 minutes.
Basically these are the methods. You can choose which command to use according to your habits. If you are writing scripts or monitoring, it is recommended to use /proc/loadavg
; if it is just a daily viewing, uptime
and htop
are more convenient.
The above is the detailed content of How to see my system's uptime and load average?. For more information, please follow other related articles on the PHP Chinese website!

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