我的系统大约在 1 - 1.5 分钟内启动。
我找不到任何方法来加快启动速度。
有什么方法可以做到这一点吗？
添加：
好吧，我猜我明白了。这些是输入。
系统分析：
Startup finished in 10.355s (kernel) + 1min 2.918s (userspace) = 1min 13.274s
graphical.target reached after 1min 2.902s in userspace
systemd-分析责任：
33.715s plymouth-quit-wait.service
21.690s ifupdown-pre.service
18.122s NetworkManager-wait-online.service
17.457s ModemManager.service
16.895s snapd.service
15.682s udisks2.service
12.983s NetworkManager.service
12.470s accounts-daemon.service
11.650s dev-sda1.device
9.820s apparmor.service
9.391s dev-loop0.device
8.665s vboxdrv.service
8.664s rsyslog.service
8.608s wpa_supplicant.service
8.601s switcheroo-control.service
8.597s avahi-daemon.service
8.597s bluetooth.service
8.594s systemd-logind.service
8.411s dev-loop1.device
8.075s alsa-restore.service
4.585s networking.service
4.467s snapd.seeded.service
3.368s polkit.service
1.967s exim4.service
1.917s systemd-udevd.service
1.713s gdm.service
1.613s systemd-backlight@backlight:radeon_bl0.service
1.266s upower.service
1.138s keyboard-setup.service
838ms systemd-tmpfiles-setup.service
738ms systemd-udev-trigger.service
734ms colord.service
713ms dev-mqueue.mount
我应该停用哪些服务？
当我尝试使用systemctl critical-chain命令时，我得到了以下输入：
Unknown operation critical-chain.