如何在Linux中禁用和挂起休眠

参考---->:

https://www.cnblogs.com/minseo/p/13557947.html

 

　Ubuntu在启动以后过一段时间大概20分钟左右会自动休眠，在另外一台主机使用脚本检测80端口可以看到多久休眠

 

 　　禁用休眠前查看状态

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systemctl status sleep.target suspend.target hibernate.target hybrid-sleep.target ● sleep.target - Sleep      Loaded: loaded (/lib/systemd/system/sleep.target;static; vendor preset: enabled)      Active: inactive (dead)        Docs: man:systemd.special(7)   8月 24 18:00:40 hdy-desktop systemd[1]: Reached target Sleep. 8月 24 18:02:50 hdy-desktop systemd[1]: Stopped target Sleep. 8月 24 18:22:50 hdy-desktop systemd[1]: Reached target Sleep. 8月 25 08:37:14 hdy-desktop systemd[1]: Stopped target Sleep. 8月 25 08:57:15 hdy-desktop systemd[1]: Reached target Sleep. 8月 25 09:03:24 hdy-desktop systemd[1]: Stopped target Sleep. 8月 25 09:23:25 hdy-desktop systemd[1]: Reached target Sleep. 8月 25 09:29:05 hdy-desktop systemd[1]: Stopped target Sleep.   ● suspend.target - Suspend      Loaded: loaded (/lib/systemd/system/suspend.target;static; vendor preset: enabled)      Active: inactive (dead)        Docs: man:systemd.special(7)   8月 24 18:02:50 hdy-desktop systemd[1]: Reached target Suspend. 8月 24 18:02:50 hdy-desktop systemd[1]: Stopped target Suspend. 8月 25 08:37:14 hdy-desktop systemd[1]: Reached target Suspend. 8月 25 08:37:14 hdy-desktop systemd[1]: Stopped target Suspend. 8月 25 09:03:24 hdy-desktop systemd[1]: Reached target Suspend. 8月 25 09:03:24 hdy-desktop systemd[1]: Stopped target Suspend. 8月 25 09:29:05 hdy-desktop systemd[1]: Reached target Suspend. 8月 25 09:29:05 hdy-desktop systemd[1]: Stopped target Suspend.   ● hibernate.target - Hibernate      Loaded: loaded (/lib/systemd/system/hibernate.target;static; vendor preset: enabled)      Active: inactive (dead)        Docs: man:systemd.special(7)   ● hybrid-sleep.target - Hybrid Suspend+Hibernate      Loaded: loaded (/lib/systemd/system/hybrid-sleep.target;static; vendor preset: enabled)      Active: inactive (dead)        Docs: man:systemd.special(7)

 　　禁止休眠

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root@hdy-desktop:~# systemctl mask sleep.target suspend.target hibernate.target hybrid-sleep.target Created symlink /etc/systemd/system/sleep.target → /dev/null. Created symlink /etc/systemd/system/suspend.target → /dev/null. Created symlink /etc/systemd/system/hibernate.target → /dev/null. Created symlink /etc/systemd/system/hybrid-sleep.target → /dev/null.

 　　再次查看状态，变成masked了

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root@hdy-desktop:~# systemctl status sleep.target suspend.target hibernate.target hybrid-sleep.target ● sleep.target      Loaded: masked (Reason: Unit sleep.targetis masked.)      Active: inactive (dead)   8月 24 18:00:40 hdy-desktop systemd[1]: Reached target Sleep. 8月 24 18:02:50 hdy-desktop systemd[1]: Stopped target Sleep. 8月 24 18:22:50 hdy-desktop systemd[1]: Reached target Sleep. 8月 25 08:37:14 hdy-desktop systemd[1]: Stopped target Sleep. 8月 25 08:57:15 hdy-desktop systemd[1]: Reached target Sleep. 8月 25 09:03:24 hdy-desktop systemd[1]: Stopped target Sleep. 8月 25 09:23:25 hdy-desktop systemd[1]: Reached target Sleep. 8月 25 09:29:05 hdy-desktop systemd[1]: Stopped target Sleep.   ● suspend.target      Loaded: masked (Reason: Unit suspend.targetis masked.)      Active: inactive (dead)   8月 24 18:02:50 hdy-desktop systemd[1]: Reached target Suspend. 8月 24 18:02:50 hdy-desktop systemd[1]: Stopped target Suspend. 8月 25 08:37:14 hdy-desktop systemd[1]: Reached target Suspend. 8月 25 08:37:14 hdy-desktop systemd[1]: Stopped target Suspend. 8月 25 09:03:24 hdy-desktop systemd[1]: Reached target Suspend. 8月 25 09:03:24 hdy-desktop systemd[1]: Stopped target Suspend. 8月 25 09:29:05 hdy-desktop systemd[1]: Reached target Suspend. 8月 25 09:29:05 hdy-desktop systemd[1]: Stopped target Suspend.   ● hibernate.target      Loaded: masked (Reason: Unit hibernate.targetis masked.)      Active: inactive (dead)   ● hybrid-sleep.target      Loaded: masked (Reason: Unit hybrid-sleep.targetis masked.)      Active: inactive (dead)

 　　重启主机

1

reboot

 　　再次查看

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root@hdy-desktop:~# systemctl status sleep.target suspend.target hibernate.target hybrid-sleep.target ● sleep.target      Loaded: masked (Reason: Unit sleep.targetis masked.)      Active: inactive (dead)   ● suspend.target      Loaded: masked (Reason: Unit suspend.targetis masked.)      Active: inactive (dead)   ● hibernate.target      Loaded: masked (Reason: Unit hibernate.targetis masked.)      Active: inactive (dead)   ● hybrid-sleep.target      Loaded: masked (Reason: Unit hybrid-sleep.targetis masked.)      Active: inactive (dead)

 　　主机不在休眠了

　　重新启动休眠

1	systemctl unmask sleep.target suspend.target hibernate.target hybrid-sleep.target

 　　注意：改禁止休眠命令Ubuntu和Centos通用