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I have mounted an encrypted disk by selecting it in Nemo (1.1.2), then typing a password. I can unmount the disk using Nemo, but now it can be remounted without requiring the password.

Probably there was a "remember" option such as demonstrated in this question.

Regardless of what I selected when I initially mounted, now I want Nemo to forget the password. Is there a way to do this aside from logging out?

This question may also apply to Nautilus (Nemo is a fork).

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  • Note: I was hoping that there would be a nice way to do this from a GUI, but I have searched Nemo's menus, system settings, and the "Seahorse" Passwords and Keys utility -- all to no avail. May 5, 2013 at 23:00
  • I went years without this bothering me, but it got me again in Ubuntu MATE 18.04. Although, I think it is called caja now. Nov 22, 2018 at 3:35

4 Answers 4

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If you really mean "forget the password" it probably already did within microseconds of you entering it.

Persistence of authentication through the login session is maintained in Ubuntu-ish systems by ssh-agent and gnome-keyring-daemon. By their nature of operation (non-invertable hashing) it may be fundamentally impossible to selectively remove one authentication.

As you note, logging out destroys the cached authentication, ssh_agent -k would kill the cache without logging out (but other things would fail to authenticate too).

This looks like you can have single-sign-on ease or fine-grained authentication control, pick one.

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  • "forget the password" is probably not technically correct, but it agrees with the message provide (see the link in my question). May 5, 2013 at 22:52
  • I had no luck with ssh-agent -k, but the following did work: killall gnome-keyring-daemon. Thanks for the hint. May 5, 2013 at 22:52
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Issue the following, or something equivalent...

killall gnome-keyring-daemon
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The program seahorse is a nice graphical way to manage passwords including the nemo disk encryption passwords (in the menu it is "passwords and keys"). Under "Passwords" - "Login" you will find the saved passwords for encryption and network drives. you can delete, change or view passwords.

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This is my first post & this is old so i don't know if this applies: Nemo hard coded "G_PASSWORD_SAVE_FOR_SESSION" as default when asking for passphrase to get around this, compile it from source and replace "G_PASSWORD_SAVE_FOR_SESSION" with "G_PASSWORD_SAVE_NEVER"

(this took me forever to figure out, because i dont know c and i am new to linux and compiling stuff)

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