我在 2012 年末的 Mac Mini i5 双核电脑上全新安装了 Ubuntu 22.04。16 GB 内存。它安装了一个 SSD 驱动器和一个外部 USB 3.0 硬盘驱动器。
我整个启动到桌面的时间大约是 5 分钟。我是 Ubuntu 新手。这些启动时间正常吗？我可以做些什么来加快速度，还是这只是旧 Mac Mini 的正常启动时间？
systemd-analyze 关键链
graphical.target @2min 36.869s
└─multi-user.target @2min 36.868s
└─docker.service @1min 20.459s +1min 16.407s
└─containerd.service @41.955s +38.462s
└─network.target @41.917s
└─NetworkManager.service @34.038s +7.878s
└─dbus.service @34.031s
└─basic.target @33.639s
└─sockets.target @33.639s
└─snapd.socket @33.636s +2ms
└─sysinit.target @33.217s
└─systemd-timesyncd.service @32.633s +583ms
└─systemd-tmpfiles-setup.service @31.951s +528ms
└─systemd-journal-flush.service @6.163s +25.729s
└─systemd-journald.service @5.408s +733ms
└─systemd-journald.socket @5.323s
└─system.slice @5.237s
└─-.slice @5.237s
系统分析
Startup finished in 8.392s (kernel) + 2min 36.936s (userspace) = 2min 45.329s
graphical.target reached after 2min 36.869s in userspace
系统分析责任
2min 45.310s apt-daily-upgrade.service
1min 41.620s e2scrub_reap.service
1min 16.407s docker.service
55.427s smbd.service
51.174s plymouth-quit-wait.service
38.462s containerd.service
31.269s snapd.service
25.729s systemd-journal-flush.service
22.778s networkd-dispatcher.service
19.442s NetworkManager-wait-online.service
18.606s udisks2.service
16.827s dev-sda2.device
16.185s accounts-daemon.service
14.320s ModemManager.service
14.158s dev-loop19.device
13.209s nmbd.service
12.964s dev-loop18.device
12.964s dev-loop23.device
12.859s dev-loop22.device
12.767s dev-loop21.device
12.454s dev-loop8.device
12.006s dev-loop20.device
11.592s dev-loop13.device
11.537s dev-loop14.device
11.457s dev-loop11.device
11.363s dev-loop9.device
10.972s dev-loop12.device
10.773s dev-loop17.device
10.632s dev-loop15.device
10.537s dev-loop10.device
9.687s dev-loop7.device
9.368s power-profiles-daemon.service
9.112s fwupd.service
8.849s polkit.service
8.747s dev-loop16.device
8.605s dev-loop2.device
8.258s [email protected]
8.094s avahi-daemon.service
8.090s bluetooth.service
7.987s gdm.service
7.979s dev-loop0.device
7.878s NetworkManager.service
7.564s dev-loop3.device
7.555s dev-loop6.device
7.545s dev-loop4.device
7.476s dev-loop5.device
7.411s switcheroo-control.service
7.402s thermald.service
7.395s systemd-logind.service
7.394s wpa_supplicant.service
5.676s gpu-manager.service
5.375s xrdp.service
5.102s dev-loop1.device
4.990s mnt-FatNAS.mount
4.489s systemd-udevd.service
4.443s snapd.apparmor.service
4.151s apport.service
3.767s man-db.service
3.743s systemd-rfkill.service
3.588s systemd-resolved.service
3.545s rsyslog.service
3.350s xrdp-sesman.service
2.121s apparmor.service
2.091s systemd-sysctl.service
1.829s grub-common.service
1.600s snap-gnome\x2d3\x2d38\x2d2004-143.mount
1.584s systemd-modules-load.service
1.576s packagekit.service
1.401s snapd.seeded.service
1.349s snap-brave-297.mount
1.338s snap-brave-295.mount
1.331s snap-gnome\x2d42\x2d2204-141.mount
1.327s snap-bare-5.mount
1.264s snap-core22-864.mount
1.247s snap-core18-2790.mount
1.224s snap-core20-1974.mount
1.214s snap-core20-2015.mount
1.170s snap-core22-858.mount
1.167s snap-gnome\x2d42\x2d2204-120.mount
1.159s update-notifier-download.service
1.151s colord.service
1.150s snap-cups-980.mount
1.140s snap-firefox-3252.mount
1.105s snap-firefox-3290.mount
1.072s systemd-random-seed.service
1.067s snap-gtk\x2dcommon\x2dthemes-1535.mount
1.053s snap-home\x2dmedia\x2dserver-53.mount
1.015s systemd-sysusers.service
995ms systemd-fsck@dev-disk-by\x2duuid-8430\x2dB110.service
990ms snap-snapd-20092.mount
989ms upower.service
927ms bolt.service
924ms grub-initrd-fallback.service
901ms snap-postman-227.mount
895ms snap-vlc-3078.mount
893ms plymouth-start.service
891ms snap-postman-229.mount
801ms snap-snap\x2dstore-959.mount
785ms snap-snapd-20290.mount
766ms snap-snapd\x2ddesktop\x2dintegration-83.mount
733ms systemd-journald.service
727ms systemd-tmpfiles-setup-dev.service
722ms snap-vlc-3721.mount
654ms kerneloops.service
599ms keyboard-setup.service
583ms systemd-timesyncd.service
528ms systemd-tmpfiles-setup.service
527ms systemd-binfmt.service
514ms fwupd-refresh.service
494ms swapfile.swap
483ms systemd-udev-trigger.service
475ms homebridge.service
461ms systemd-user-sessions.service
445ms systemd-update-utmp.service
365ms systemd-oomd.service
342ms ufw.service
341ms systemd-remount-fs.service
276ms rtkit-daemon.service
258ms [email protected]
251ms boot-efi.mount
238ms setvtrgb.service
221ms openvpn.service
202ms alsa-restore.service
157ms kmod-static-nodes.service
130ms plymouth-read-write.service
114ms dev-hugepages.mount
112ms dev-mqueue.mount
110ms sys-kernel-debug.mount
108ms sys-kernel-tracing.mount
99ms console-setup.service
99ms motd-news.service
93ms [email protected]
73ms proc-sys-fs-binfmt_misc.mount
72ms systemd-tmpfiles-clean.service
34ms cups.service
32ms [email protected]
28ms [email protected]
25ms docker.socket
22ms var-snap-firefox-common-host\x2dhunspell.mount
10ms systemd-update-utmp-runlevel.service
5ms modprobe@efi_pstore.service
2ms sys-fs-fuse-connections.mount
2ms snapd.socket
2ms sys-kernel-config.mount