Slow boot after upgrading Ubuntu 14.04 to 16.04
64331
How to diagnose/fix very slow boot on Ubuntu 18.04
20399
How do I upgrade from 14.04 LTS to 16.04.1 LTS?
69532
Ubuntu16.04 boots into initramfs
66898
Slow startup of Plasma 5.5 in Kubuntu 16.04
133205
How can I remove old kernels/install new ones when /boot is full?
144247
How to find previous boot log after Ubuntu 16.04+ restarts?
20814
Ubuntu 18.04 is too slow on my Asus r558ur
62046
16.04 - system hangs at boot time at "Started Update UTMP about System Runlevel Changes"
82914
Where is the boot loader installed?
148831
New database server hardware and software inserts slower than old setup
73121
How can I force Ubuntu to boot on a stuck boot menu?
9212
Freeze after upgrading kernel to 3.13.0-66 (14.04) or 3.19.0-31 (15.04)
139719
Windows 7 is taking too long to boot and to open profile
1385
How do I change the GRUB boot order?
13718
How can I improve Ubuntu overall system performance?
26808
Long boot time Ubuntu 18.04
17466
Slow Boot Time on Ubuntu 17.10.1 (systemd-analyze blame results)