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systemd-analyze blame - Improving boot time/disabling useless services

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$ systemd-analyze blame

 57.578s apt-daily.service
32.058s docker.service
23.680s tor@default.service
21.697s NetworkManager-wait-online.service
         18.048s dev-sda7.device
         13.847s apache2.service
         11.037s lightdm.service
         10.914s ModemManager.service
         10.696s plymouth-read-write.service
         10.488s apparmor.service
          7.755s snapd.service
          7.030s wpa_supplicant.service
          6.494s teamviewerd.service
          6.111s accounts-daemon.service
          5.924s grub-common.service
          5.208s networking.service
          4.967s netfilter-persistent.service

Fix:
If your current work and project does not require a service on startup, you can stop that for faster boot. Sometime automated load waste time instead of automatic thing that we not use.
apt-daily.service
https://askubuntu.com/questions/800479/ubuntu-16-04-slow-boot-apt-daily-service
Docker:
sudo bash -c 'echo manual | sudo tee /etc/init/docker.override'

lightdm is desktop manager on login startup, so do not touch it.
... You can FIY ab how to stop other services.

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