Re: unmount sys/fs/cgroup/systemd after chroot, without rebooting

2017-05-03 Thread Sam Kuper
On 03/05/2017, Sam Kuper wrote: > [...] I then exit the `chroot`, and my trouble begins. I find that I can > unmount `/mnt/dev` and `/mnt/proc`, **but not `/mnt/sys`**. The latter > refuses to unmount because it contains `/mnt/sys/fs/cgroup/systemd`, > which the system for some reason thinks is "i

unmount sys/fs/cgroup/systemd after chroot, without rebooting

2017-05-03 Thread Sam Kuper
Dear all, I would be grateful for your guidance on my question below. N.B. It is also posted at StackExchange: https://unix.stackexchange.com/questions/362870 . I understand that some readers of this list who might find the question interesting and be able to help answer it probably do not use th