Ubuntu – How to turn off all the password prompts

password

I've been using Ubuntu 12.04 LTS since release and am trying to figure out a couple things about all of these passwords and key-ring prompts that I've just been living with for a while.

Ever since install it seems that every time I boot up my computer and want to do anything (ie. use the internet, use a internet browser, install something, delete something, pick my nose) I'm always prompted for either a normal password entry or a key-ring password entry.

Is there anyway to turn off all of this "security" and tell my Ubuntu that it can trust what I'm doing and go take a shower?

Best Answer

Open dash, search for passwords and keys and open it. You can remove the passwords for the keyring here (in the tab password). It -should- ask for a new password -once- after that and not ask it again.

Is there anyway to turn off all of this "security" and tell my Ubuntu that it can trust what I'm doing and go take a shower?

You can leave the new password for the keyring blank. It will complain it is unsafe to do so. Accept it and it should never bug you again. And taking a shower should not depend on Ubuntu passwords!

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Ubuntu – Disable authentication prompts in 15.04

As I understand it, these prompts use Polkit, not sudo, for authorization. Therefore, setting NOPASSWD in sudoers won't make any difference to it. To make Polkit skip password prompts, create a .pkla file in /etc/polkit-1/localauthority/50-local.d/ (say /etc/polkit-1/localauthority/50-local.d/99-nopassword.pkla) containing:

[No password prompt]
Identity=unix-group:sudo
Action=*
ResultActive=yes

See the pklocalauthority manpage for more information.

Ubuntu – view the password of a mounted encrypted volume

Full disk encryption uses cryptsetup to manage LUKS encrypted devices and not ecryptfs and ecryptfs-unwrap-passphrase is a part of ecryptfs-utils which I guess is not installed on your system and has nothing to do with your setup and encrypted volume.

The answer to your question is: No you can not see the passphrase of an encrypted LUKS volume.

What I suggest is using:

sudo cryptsetup open /dev/sdXY new_mapper

which /dev/sdXY is your encrypted partition, it will ask for your user password (sudo) and then for the passphrase. try different possible passphrases to find the correct one.

If your passphrase was wrong you will get an error:

No key available with this passphrase

otherwise (if it was correct) an message will show up complaining that device is already in use. then you are good to go and safe to reboot knowing what your passphrase is.

Best Answer

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Ubuntu – Disable authentication prompts in 15.04

Ubuntu – view the password of a mounted encrypted volume

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