Systemd boot on 15.04 is extremely slow compared to Upstart
52552
Systemd is really slow in comparison to upstart
62046
16.04 - system hangs at boot time at "Started Update UTMP about System Runlevel Changes"
137453
Have SystemD spawn N processes?
5103
How do I improve boot speed?
151579
Interrupted upgrade from 15.10 to 16.04, Ubuntu boots into black screen
80900
How to write startup script for Systemd?
72888
Ubuntu installation is slow, why?
33636
tracker-store and tracker-miner-fs eating up my CPU on every startup
54565
Ubuntu 15.04 network manager causing slow boot
132739
Will Ubuntu 18.04 LTS still support Upstart or do we have to change to systemd?
131920
How long does the ubuntu installation take and what to do after it?
5602
Boot drops to a (initramfs) prompts/busybox
54476
Does systemd still know about runlevels?
147308
After upgrade from Ubuntu 16 to 18.04, systemd-udevd uses 100% CPU
56291
How can I replace upstart with systemd?
66053
Slow BIOS bootup
3992
How do I preload a program for faster start?