CentOS Hibernation and Hibernation Command Installation and Usage Guide

Directory guide of this article: Install CentOS hibernation command Install hibernation command Use hibernation command CentOS hibernation precautions to share with you

Install CentOS hibernation command

php Xiaobian Yuzai will take you to understand the hibernation function and corresponding functions of CentOS system Installation and usage guide for the command. Hibernation mode is a power-saving state that allows the computer to pause and save the current working status so that it can be resumed later. This article will introduce in detail how to enable and configure the hibernation function in CentOS systems, and how to use commands to actively enter hibernation mode. By mastering these tips, you can better manage and save power, and improve the efficiency and stability of your system.

Install hibernation command

1. Open a terminal and log in as root user.

2. Run the following command to update the system package list:

sudo yum update

3. Install the pm-utils package, which contains some useful power management Tools, including the hibernate command:

sudo yum install pm-utils

Using the hibernate command

Once the pm-utils package is installed, you can use the following commands to control CentOS hibernation function:

1. Suspend: Put the system into hibernation state.

sudo pm-suspend

2. Wake up (Resume): Resume the system from hibernation state.

sudo pm-hibernate

3. Suspend-to-Disk: Suspend the system to the hard disk and turn off the power to save more power.

sudo pm-suspend-hybrid

4. Check whether the current system is in hibernation state:

sudo pm-is-supported --suspend

5 . Check whether the current system supports suspending to the hard disk:

sudo pm-is-supported --hibernate

6. Check whether the current system supports suspending to the hard disk and hibernation:

sudo pm-is-supported --suspend-hybrid

7. Cancel the suspend or hibernate operation:

sudo pm-suspend --no-pm-hibernate

CentOS Hibernation Precautions

When using the CentOS hibernation function, there are some precautions that you need to know:

1. Hibernation mode may not be suitable for all hardware devices, and some devices may Unable to restore correctly or causing system instability, please make sure your hardware device is compatible with CentOS before using the hibernation function.

2. If your computer cannot resume from hibernation, you can try pressing the power button to force shut down the computer and restart it.

3. In hibernation mode, the computer will continue to consume a small amount of power. If you need to leave the computer for a long time, it is recommended to shut down the computer completely to save power.

Share for you

In CentOS, you can use the following command to view the current hibernation state of the system:

sudo systemctl suspend-then-hibernate

This command will first suspend the system to the memory, and then automatically suspend the system to the hard disk and turn off the power after a period of time to further save power, which is very useful when the computer is not used for a long time.

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