我最近在一块新的 SSD 上安装了 Ubuntu 22.04，但启动需要大约 30 秒。我见过有人在 15 秒内启动了他们的 Ubuntu 系统。
那么，我该如何进一步缩短启动时间呢？
设备信息：
- 型号：HP 15-da0077tx
- 内存：8GB
- SSD： Crucial p2 500 GB NVME
- CPU：英特尔酷睿 i5 第 8 代
目前，我在 SSD 上安装了双启动系统，安装了 Windows 10。我的 HDD 上还有一个旧版本的 Ubuntu。
输出：
devansh@Dev:~$ systemd-analyze
Startup finished in 6.113s (firmware) + 2.286s (loader) + 2.682s (kernel) + 14.853s (userspace) = 25.934s
graphical.target reached after 14.837s in userspace
devansh@Dev:~$ systemd-analyze blame
13.603s plymouth-quit-wait.service
456ms systemd-backlight@backlight:intel_backlight.service
447ms udisks2.service
438ms systemd-resolved.service
393ms systemd-oomd.service
312ms systemd-timesyncd.service
307ms dev-nvme0n1p5.device
209ms networkd-dispatcher.service
179ms apparmor.service
177ms systemd-logind.service
151ms power-profiles-daemon.service
144ms switcheroo-control.service
134ms systemd-journal-flush.service
134ms systemd-udev-trigger.service
133ms e2scrub_reap.service
devansh@Dev:~$ systemd-analyze critical-chain
The time when unit became active or started is printed after the "@" character.
The time the unit took to start is printed after the "+" character.
graphical.target @14.837s
└─multi-user.target @14.837s
└─plymouth-quit-wait.service @1.234s +13.603s
└─systemd-user-sessions.service @1.225s +5ms
└─network.target @1.220s
└─NetworkManager.service @1.141s +77ms
└─dbus.service @1.135s
└─basic.target @1.128s
└─sockets.target @1.128s
└─uuidd.socket @1.128s
└─sysinit.target @1.124s
└─systemd-backlight@backlight:intel_backlight.service @3.911s +456ms
如果您需要任何进一步的信息，请告诉我。