I changed the installation password to (none) after install which works great at boot. Now I cannot install updates because all administrative programs keep asking for a password and will not accept a NULL password nor the original password. Any way to fix this without a new install?
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how about setting a new pass? – NKN Feb 23 '14 at 19:00
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this post may help: http://askubuntu.com/questions/24006/how-do-i-reset-a-lost-administrative-password – NKN Feb 23 '14 at 19:03
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- In
GRUB, chooserecovery mode. - Drop to
rootprompt. Usepasswd:
$ mount -o rw, remount /
$ passwd <username>
Use this to revert back to default password. You can also set any password you want, but that is not advisable as Ubuntu uses the same password for a lot of stuff (like encyption, keyrings...).
So it's better to update passwords via the settings menu, unless you know what you're upto.
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