[lubuntu-users] Lubuntu 18.04 slow boot and shutdown

radiobox at mtu-net.ru radiobox at mtu-net.ru
Sun May 20 20:47:10 UTC 2018

Hi Ian,

I use systemd-analyze blame:

~$ systemd-analyze
Startup finished in 35.673s (kernel) + 6.998s (userspace) = 42.671s
graphical.target reached after 6.974s in userspace

~$ systemd-analyze blame
           4.156s NetworkManager-wait-online.service
           1.657s plymouth-start.service
           1.272s dev-sda2.device
            715ms apparmor.service
            660ms udisks2.service
            651ms plymouth-read-write.service
            477ms systemd-journal-flush.service
            448ms motd-news.service
            412ms upower.service
            367ms networkd-dispatcher.service
            329ms ModemManager.service
            328ms keyboard-setup.service
            317ms systemd-journald.service
            314ms NetworkManager.service
            296ms systemd-udev-trigger.service
            246ms apport.service
            238ms avahi-daemon.service
            234ms accounts-daemon.service
            216ms grub-common.service
            181ms systemd-rfkill.service
            181ms alsa-restore.service
            177ms lm-sensors.service
            164ms swapfile.swap
            156ms systemd-logind.service
            152ms systemd-timesyncd.service
            149ms snapd.service
            139ms plymouth-quit-wait.service
            138ms pppd-dns.service
            136ms lightdm.service
            131ms systemd-resolved.service
            125ms gpu-manager.service
            115ms wpa_supplicant.service
            105ms rsyslog.service
             94ms user at 1000.service
             93ms systemd-udevd.service
             90ms systemd-modules-load.service
             71ms snapd.seeded.service
             51ms systemd-sysctl.service
             51ms polkit.service
             49ms packagekit.service
             46ms systemd-remount-fs.service
             42ms dev-hugepages.mount
             41ms systemd-backlight at backlight:acpi_video0.service
             38ms ufw.service
             37ms sys-kernel-debug.mount
             36ms kmod-static-nodes.service
             33ms kerneloops.service
             33ms dev-mqueue.mount
             32ms geoclue.service
             32ms systemd-tmpfiles-setup-dev.service
systemd-fsck at dev-disk-by\x2duuid-b8e8a7bf\x2dc29a\x2d4826\x2da0e3\
systemd-fsck at dev-disk-by\x2duuid-249e1866\x2dc377\x2d4009\x2d845e\
             28ms sys-kernel-config.mount
             27ms systemd-random-seed.service
             25ms systemd-tmpfiles-setup.service
             24ms sys-fs-fuse-connections.mount
             23ms home.mount
             20ms console-setup.service
             19ms boot.mount
             14ms systemd-tmpfiles-clean.service
             14ms systemd-user-sessions.service
             11ms ureadahead-stop.service
              9ms systemd-update-utmp-runlevel.service
              8ms systemd-update-utmp.service
              3ms setvtrgb.service
              3ms snapd.socket

~$ systemd-analyze critical-chain
The time after the unit is active or started is printed after the "@" 
The time the unit takes to start is printed after the "+" character.

graphical.target @6.974s
└─multi-user.target @6.973s
   └─kerneloops.service @6.938s +33ms
     └─network-online.target @6.937s
       └─NetworkManager-wait-online.service @2.779s +4.156s
         └─NetworkManager.service @2.457s +314ms
           └─dbus.service @2.422s
             └─basic.target @2.314s
               └─sockets.target @2.314s
                 └─snapd.socket @2.311s +3ms
                   └─sysinit.target @2.308s
                     └─apparmor.service @1.592s +715ms
                       └─local-fs.target @1.581s
                         └─home.mount @1.557s +23ms

└─systemd-fsck at dev-disk-by\x2duuid-249e1866\x2dc377\x2d40


14.05.2018 11:48, Ian Bruntlett пишет:
> Hi RB,
> On 14 May 2018 at 09:42, RB <radiobox at mtu-net.ru 
> <mailto:radiobox at mtu-net.ru>> wrote:
>     Ubuntu 18.04 slow boot and shutdown
>     Good day!
>     After upgrading from Ubuntu 17.10 to lub Although 18.04 LTS (Bionic
>     Beaver), loading and unloading became slow, instead of 10-15 seconds
>     more than a minute.
>     What can be done?
> I have noticed that some shutdowns can be slower because security 
> updates are being applied. I would like the option to have the system 
> tell me that it is doing that. That is one possibility.
> This command will help you analyse system boot-up perfornance:
> systemd-analyze blame
> HTH,
> Ian
> -- 
> -- ACCU - Professionalism in programming - http://www.accu.org
> -- My writing - https://sites.google.com/site/ianbruntlett/
> -- Free Software page - 
> https://sites.google.com/site/ianbruntlett/home/free-software

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