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
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
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
|
1
2
3
4
5
|
root@hdy-desktop:~# systemctl mask sleep.target suspend.target hibernate.target hybrid-sleep.targetCreated 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
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
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
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
|
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