Linux Uptime Command With Usage Examples

The Linux Operating System is loaded up with a few commands which any hopeful Linux master or power user for example system admin should have a decent handle of. One of such commands is uptime and today, I’ll momentarily examine its purpose and syntax.

Uptime Command In Linux: It is used to find out how long the system is active (running). This command returns a set of values that involve, the current time, and the amount of time the system is in running state, the number of users currently logged into, and the load time for the past 1, 5, and 15 minutes respectively.

Linux Uptime Command With Usage Examples

Linux Uptime Command With Usage Examples:

uptime uses a simple syntax:

# uptime [option]

Using Uptime

You can run the uptime command with no alternatives like so:

# uptime

It will display an output similar to:

09:10:18 up 106 days, 32 min, 2 users, load average: 0.22, 0.41, 0.32

Arranged by appearance, the command shows the current time as the first entry, up implies that the system is running and it is shown next to the total time for which the system has been running, the user tally (number of logged on users), and in conclusion, the system load averages.

What are system load averages? It is the normal number of processes that are in a runnable or uninterruptable state. An interaction is in a runnable state when it is utilizing the CPU or waiting by to utilize the CPU; while a process is in a uninterruptable state when it is hanging tight for I/O access like waiting for a disk.

Now let’s see some useful uptime command usage with examples.

Check Linux Server Uptime

You can filter uptime’s outcome to show just the running season of the system with the command:

# uptime -p

up 58 minutes

Check Linux Server Starting Time

Utilizing option -s will show the date/time since when the system has been running.

# uptime -s

2021-04-18 11:49:17

Uptime Version & Help

For what it’s worth with most command line applications, you can show uptime’s adaptation data and speedy assistance/help page with the accompanying command.

# uptime -h

 uptime [options]

 -p, --pretty   show uptime in pretty format
 -h, --help     display this help and exit
 -s, --since    system up since
 -V, --version  output version information and exit

For more details see uptime(1).

Also Read – Learn Basic Linux System Commands For Linux Foundation Certified IT Associate (LFCA) Certification

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