About 1 week ago, my Ubuntu 18.04 boot time went from ~15sec to ~2min. When I looked at kern.log, every boot had something very similar to this in common:
After installing rng-tools (and just in case, updating initramfs and grub: sudo update-initramfs -u and sudo update-grub), my boot time returned to normal, ~15sec. More info on rng-tools is here: wiki.archlinux.org/index.php/Rng-tools
In case it is helpful to anyone else, I found a resolution for my specific case. This askubuntu question helped: https:/ /askubuntu. com/questions/ 1018907/ ubuntu- installation- stuck-at- random- crng-init- done . In sum: sudo apt install rng-tools
About 1 week ago, my Ubuntu 18.04 boot time went from ~15sec to ~2min. When I looked at kern.log, every boot had something very similar to this in common:
Jul 8 13:28:37 localhost kernel: [ 6.933299] IPv6: ADDRCONF( NETDEV_ CHANGE) : enp3s0: link becomes ready
Jul 8 13:32:09 localhost kernel: [ 217.508340] random: crng init done
After installing rng-tools (and just in case, updating initramfs and grub: sudo update-initramfs -u and sudo update-grub), my boot time returned to normal, ~15sec. More info on rng-tools is here: wiki.archlinux. org/index. php/Rng- tools