我刚刚安装了 ubuntu 18.04，它启动非常慢。需要帮助！！！我运行了一个 blame 命令来查看哪个命令运行时间最长，而且我知道我没有弄清楚如何在笔记本电脑上设置打印机。我知道关闭机器时会显示一些 ACPI 错误。
顺便说一句，有这么多的循环，我被这些循环搞糊涂了，想把它们去掉，但它们在一周内从 4 个增加到 15 个。如果你觉得这太简单了，请忽略，不要为我点赞，因为这已经让我头疼了好几个星期了……我不想放弃……
$ systemd-analyze blame
15.524s [email protected]
13.523s dev-sda6.device
13.470s dev-sda7.device
10.584s dev-loop13.device
10.384s dev-loop0.device
10.345s dev-loop1.device
10.321s dev-loop7.device
10.295s dev-loop6.device
10.294s dev-loop2.device
10.158s dev-loop4.device
10.122s dev-loop5.device
10.104s dev-loop8.device
10.072s dev-loop3.device
10.031s dev-loop9.device
10.007s dev-loop10.device
9.983s dev-loop11.device
9.929s dev-loop12.device
9.873s systemd-journal-flush.service
7.283s NetworkManager-wait-online.service
6.872s dev-loop14.device
5.899s plymouth-start.service
5.880s dev-loop15.device
5.715s plymouth-quit-wait.service
5.487s systemd-udevd.service
5.321s systemd-sysctl.service
5.170s udisks2.service
5.088s snap-skype-38.mount
5.037s snap-skype-41.mount
4.785s grub-common.service
4.583s ModemManager.service
4.029s snapd.service
3.955s networking.service
3.274s systemd-rfkill.service
2.998s apport.service
2.628s speech-dispatcher.service
2.622s bluetooth.service
2.620s avahi-daemon.service
2.612s gpu-manager.service
2.609s alsa-restore.service
2.597s networkd-dispatcher.service
2.592s rsyslog.service