I've made new admin account. I did not set a password for that account and it now asks me for the password. Since I can access the account as it automatically logs on when the laptop is turned on, can I set a new password?
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Linux is a known for its security. And password protection is first priority of linux. You always have to set password either you use it or not. – Dishank Jindal Jul 27 '14 at 20:17
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1@Dishank Thats completely wrong. You can have accounts with no password even root. – squareborg Jul 27 '14 at 20:44
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But when you need to install new packages, you will face auth failed every time. – Dishank Jindal Jul 27 '14 at 20:46
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@Dishank Not if you configure [polkit](http://askubuntu.com/questions/3/how-can-i-set-the-software-center-to-install-software-for-non-root-users/258#258) – squareborg Jul 27 '14 at 20:54
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1Regardless, if you don't have a password on auth or admin - you're crazy. – rm-vanda Jul 27 '14 at 20:56
3 Answers
You can set a password from terminal, just open up your favorite terminal and type:
passwd
If your feeling advanced you can stop Ubuntu prompting for password by configuring polkit
Here's an example of configuring polkit to enable users to install apps without authentication.
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Oh yes. I totally forget. Thanks mate. You made my Below answer totally wrong. – Dishank Jindal Jul 27 '14 at 20:51
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A much easier way to allow users to install apps without authentication (generally a bad idea) - is to run `sudo visudo` and add: `yourUser ALL=(ALL) NOPASSWD: /usr/bin/apt-get,/usr/bin/pip #etc` – rm-vanda Jul 27 '14 at 21:02
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@rm-vanda Your completely correct. I'm guessing from the tone of the OP's question that they are not of the `sudo apt-get` kind but are using Ubuntu like a good old user and getting hit for GUI authentication. – squareborg Jul 27 '14 at 21:08
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Ah, yes, I forget those people exist. O_< -- wouldn't that trick work if the command were `/usr/bin/software-center` -? – rm-vanda Jul 27 '14 at 21:18
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@rm-vanda Yes, but user would have to still type `sudo /usr/bin/software-center` – squareborg Jul 27 '14 at 21:26
There is no way you can set password from there.
Restart your PC.
Go to recovery mode.
Press enter on prompt-shell
(command prompt will open with root access)
Type :- passwd (admin-name)
Then its all ok.
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From the sounds of it, you may not understand what exactly an "admin" account is - My answer may be irrelevant, but it seems appropriate to leave it here, anyway.
For a user to be an "admin" - they have to be in the sudo group -
$ sudo usermod -G sudo -a yourAdminUser
and then yourAdminUser will be a real admin.
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1yes. Given that user and group exists, `sudo adduser user group` adds user to group. – muru Jul 27 '14 at 21:17