Hi, I've done your commands:
On 04/26/2016 08:04 PM, Reco wrote: > unshare -m /bin/bash > mount -o bind / /mnt > mount -o bind /proc /mnt/proc > mount -o bind /dev /mnt/dev > chroot /mnt Without failure until here. > strace groupadd -g 1234 test The known failure again: rename("/etc/group+", "/etc/group") = -1 EBUSY (Device or resource busy) > exit > exit Thank you for your patient help. I attached the complete strace output. //Michael
strace.out.gz
Description: application/gzip