mkdir -p upper work merged
mount overlay -t overlay -o lowerdir=/,upperdir=upper/,workdir=work/ merged/
mount -t proc /proc merged/proc/
mount --rbind /sys merged/sys/
mount --rbind /dev merged/dev/
chroot merged/
References:
mkdir -p upper work merged
mount overlay -t overlay -o lowerdir=/,upperdir=upper/,workdir=work/ merged/
mount -t proc /proc merged/proc/
mount --rbind /sys merged/sys/
mount --rbind /dev merged/dev/
chroot merged/
References: