In the past I used sudo when connected to my phone via phablet-shell. The password used to be phablet, but this no longer works. I'm told the password is now blank but that doesn't work either
alan@deep-thought:~$ phablet-shell
start: Job is already running: ssh
/home/alan/.ssh/known_hosts updated.
Original contents retained as /home/alan/.ssh/known_hosts.old
9 KB/s (399 bytes in 0.040s)
Warning: Permanently added '[localhost]:2222' (RSA) to the list of known hosts.
Welcome to Ubuntu Utopic Unicorn (development branch) (GNU/Linux 3.4.0-5-mako armv7l)
* Documentation: https://help.ubuntu.com/
Last login: Mon Aug 4 12:09:44 2014 from localhost.localdomain
phablet@ubuntu-phablet:~$ system-image-cli --info
current build number: 169
device name: mako
channel: ubuntu-touch/devel-proposed
alias: ubuntu-touch/utopic-proposed
last update: 2014-08-04 09:03:59
version version: 169
version ubuntu: 20140804
version device: 20140728.1
phablet@ubuntu-phablet:~$ sudo -l
[sudo] password for phablet: (tried phablet here)
Sorry, try again.
[sudo] password for phablet: (tried pressing enter here)
Sorry, try again.
[sudo] password for phablet:
sudo: 2 incorrect password attempts
I can't reproduce the problem with a blank password.
Keep in mind that the password now persists across flashes (unless you use --wipe). Do you have an old password set from testing password support?
I'm interested in the contents of /var/lib/