我最近将我的 ubuntu 更新到 20.04。现在需要很长时间才能启动。我有 I5 CPU 和 8G RAM。
这里的cmd systemd-analyze blame 输出：
1min 30.094s nmbd.service
47.725s plymouth-quit-wait.service
22.834s udisks2.service
22.771s networkd-dispatcher.service
19.079s snapd.service
16.775s dev-sda6.device
16.618s accounts-daemon.service
15.567s NetworkManager-wait-online.service
11.738s polkit.service
11.591s avahi-daemon.service
11.590s bluetooth.service
11.498s NetworkManager.service
10.792s switcheroo-control.service
10.786s thermald.service
10.782s systemd-logind.service
10.780s wpa_supplicant.service
9.671s ModemManager.service
7.797s dev-loop0.device
7.371s dev-loop1.device
6.890s dev-loop2.device
6.884s fwupd.service
6.669s dev-loop4.device
5.474s systemd-journal-flush.service
5.311s dev-loop3.device
5.240s bolt.service
4.621s systemd-resolved.service
4.481s ufw.service
3.997s rsyslog.service
3.761s apport.service
3.673s gpu-manager.service
3.362s systemd-udevd.service
3.018s grub-common.service
2.985s e2scrub_reap.service …