ubuntu@ubuntu:~$ sudo mount /dev/sda1 /mnt
ubuntu@ubuntu:~$ sudo mount --bind /dev /mnt/dev
ubuntu@ubuntu:~$ sudo mount --bind /proc /mnt/proc
ubuntu@ubuntu:~$ sudo mount --bind /sys /mnt/sys
ubuntu@ubuntu:~$ sudo chroot /mnt
groups: cannot find name for group ID 0
root@ubuntu:/# apt update
Err http://security.ubuntu.com trusty-security InRelease

Err http://dl.google.com stable InRelease

Err http://pl.archive.ubuntu.com trusty InRelease

Err http://pl.archive.ubuntu.com trusty-updates InRelease

Err http://pl.archive.ubuntu.com trusty-backports InRelease

Err http://extras.ubuntu.com trusty InRelease


root@ubuntu:/# ping www.wp.pl
ping: unknown host www.wp.pl