我刚刚在系统上安装了 Ubuntu 18.04.2 LTS。但是启动时间太长了。
systemd-analyze blame
输出:
systemd-analyze blame
35.473s plymouth-quit-wait.service
29.139s dev-sda1.device
25.907s gpu-manager.service
23.627s systemd-journal-flush.service
19.170s console-setup.service
15.164s apparmor.service
13.566s snap-gnome\x2d3\x2d26\x2d1604-74.mount
12.866s snap-gnome\x2dsystem\x2dmonitor-57.mount
11.583s snap-gnome\x2dlogs-45.mount
10.989s dns-clean.service
7.088s NetworkManager-wait-online.service
4.690s snapd.service
4.595s systemd-tmpfiles-setup-dev.service
4.298s accounts-daemon.service
4.238s NetworkManager.service
3.946s networking.service
3.321s dev-loop7.device
3.289s bolt.service
3.215s udisks2.service
3.123s dev-loop5.device
3.079s systemd-resolved.service
3.062s networkd-dispatcher.service
3.041s dev-loop6.device
systemd-analyze critical-chain
输出:
The time after the unit is active or started is printed after the "@" character.
The time the unit takes to start is printed after the "+" character.
graphical.target @1min 10.729s
└─multi-user.target @1min 10.729s
└─kerneloops.service @42.318s +98ms
└─network-online.target @42.267s
└─NetworkManager-wait-online.service @35.178s +7.088s
└─NetworkManager.service @30.934s +4.238s
└─dbus.service @29.177s
└─basic.target @29.166s
└─sockets.target @29.166s
└─snapd.socket @29.082s +83ms
└─sysinit.target @28.975s
└─systemd-backlight@backlight:intel_backlight.service @54.82
└─system-systemd\x2dbacklight.slice @54.820s
└─system.slice @2.404s
└─-.slice @2.376s
如何解决我的启动时间问题?
答案1
尝试禁用 snap、gpu-manager.service。这些服务耗时较长。如果您能确定哪个服务有问题,则可以针对该服务进行处理并找出原因。