apt-get is not supported on devices with touch. As a workaround you can umount that file (it's bind-mounted from /custom) before using apt.
** Changed in: unity8 (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1572255 Title: "Invalid cross-device link" Error on deb upgrade To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity8/+bug/1572255/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs