I built kubernetes with ubuntu 20.04 + virtualbox.
After rebooting ubuntu, it stopped starting up with vagrant up.
I also deleted virtual box.
However, the following process is still started.
When I try to reinstall the virtual box, I get the following error.
install command
sudo dpkg -i virtualbox-7.0_7.0.20-163906~Ubuntu~focal_amd64.deb
virtual box error when I run install command
Running VMs found │
│ │
│ VirtualBox is currently running. Please close it and try again. Please note that it can take up to ten seconds for VirtualBox (in particular the VBoxSVC daemon) to finish │
│ running.
ps aux | grep kworker
root 8 0.0 0.0 0 0 ? I< 07:59 0:00 [kworker/0:0H-events_highpri]
root 24 0.0 0.0 0 0 ? I< 07:59 0:00 [kworker/1:0H-kblockd]
root 29 0.0 0.0 0 0 ? I 07:59 0:00 [kworker/2:0-events]
root 30 0.0 0.0 0 0 ? I< 07:59 0:00 [kworker/2:0H-events_highpri]
root 36 0.0 0.0 0 0 ? I< 07:59 0:00 [kworker/3:0H-events_highpri]
root 42 0.0 0.0 0 0 ? I< 07:59 0:00 [kworker/4:0H-events_highpri]
root 48 0.0 0.0 0 0 ? I< 07:59 0:00 [kworker/5:0H-events_highpri]
root 54 0.0 0.0 0 0 ? I< 07:59 0:00 [kworker/6:0H-events_highpri]
root 60 0.0 0.0 0 0 ? I< 07:59 0:00 [kworker/7:0H-events_highpri]
root 66 0.0 0.0 0 0 ? I< 07:59 0:00 [kworker/8:0H-kblockd]
root 72 0.0 0.0 0 0 ? I< 07:59 0:00 [kworker/9:0H-events_highpri]
root 78 0.0 0.0 0 0 ? I< 07:59 0:00 [kworker/10:0H-events_highpri]
root 84 0.0 0.0 0 0 ? I< 07:59 0:00 [kworker/11:0H-events_highpri]
root 90 0.0 0.0 0 0 ? I< 07:59 0:00 [kworker/12:0H-events_highpri]
root 96 0.0 0.0 0 0 ? I< 07:59 0:00 [kworker/13:0H-events_highpri]
root 102 0.0 0.0 0 0 ? I< 07:59 0:00 [kworker/14:0H-events_highpri]
root 108 0.0 0.0 0 0 ? I< 07:59 0:00 [kworker/15:0H-events_highpri]
root 114 0.0 0.0 0 0 ? I< 07:59 0:00 [kworker/16:0H-events_highpri]
root 120 0.0 0.0 0 0 ? I< 07:59 0:00 [kworker/17:0H-events_highpri]
root 126 0.0 0.0 0 0 ? I< 07:59 0:00 [kworker/18:0H-events_highpri]
root 132 0.0 0.0 0 0 ? I< 07:59 0:00 [kworker/19:0H-events_highpri]
root 138 0.0 0.0 0 0 ? I< 07:59 0:00 [kworker/20:0H-events_highpri]
root 144 0.0 0.0 0 0 ? I< 07:59 0:00 [kworker/21:0H-events_highpri]
root 150 0.0 0.0 0 0 ? I< 07:59 0:00 [kworker/22:0H-events_highpri]
root 156 0.0 0.0 0 0 ? I< 07:59 0:00 [kworker/23:0H-events_highpri]
root 160 0.0 0.0 0 0 ? I 07:59 0:00 [kworker/0:2-events]
root 223 0.0 0.0 0 0 ? I< 07:59 0:00 [kworker/0:1H-kblockd]
root 241 0.0 0.0 0 0 ? I 07:59 0:00 [kworker/3:1-events]
root 244 0.0 0.0 0 0 ? I 07:59 0:00 [kworker/6:1-events]