- All VNX root filesystems have been created with a 'vnx' account with password 'xxxx'. 

- The 'root'  password is also 'xxxx'

- For Red Hat based images (Fedora and CentOS) use 'xxxxxx' instead of 'xxxx'

- To uncompress an LXC rootfs use "--numeric-owner" option:

    tar --numeric-owner -xzpf vnx_rootfs...