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I just installed Ubuntu. I wanted to load a software to allow me to graphically manage media.

  1. I got a Terminal.
  2. I entered the following: sudo apt-get install synaptic
  3. The screen prompt demanded a password.
  4. I entered my password (not the passphrase) result was
    • the system did not seem to be allowing keyboard input At least there was no movement of the cursor and
    • the system did not recognize my password no matter how many times I entered it.

What am I doing wrong?

Also I am getting the following when I use the command line 

System-Product-Name-Invalid-entry-length-16-Fixed-up-to-11:~$

What's that?

I tried it again using UXterminal from the Dash this time it recognized my password and gave me a Y/n option and I chose Y

Zanna
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oily.fish
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2 Answers2

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To reset admin password, Boot up the machine, and after the BIOS screen, hold down the left Shift key. You will then be prompted by a menu -Enter the recovery mode. -Using the arrow keys scroll down to root and then hit Enter -At this stage you should have a read-only filesystem. You have to remount it with write permissions:

mount -o rw,remount /

-Now we can set the user's password with the passwd command.

Sazzy
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  • Thx, but I wasn't trying to reset admin password, Curious why my password is accepted when I use UX terminal instead of terminal. – oily.fish Mar 11 '17 at 22:17
  • Sorry about that my bad, why don't you give it a try by reinstalling the terminal maybe it will work then. – Sazzy Mar 12 '17 at 07:44
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The message that you receive in your terminal,

System-Product-Name-Invalid-entry-length-16-Fixed-up-to-11:~$

It means that your hostname (name of the computer) it's too long.

To change the computer name in Ubuntu, you have to edit two text files, namely /etc/hostname and /etc/hosts.

After editing the files save them and restart your computer.

  • You can also change the computer name by typing this command in terminal:

(change "pc-name" with the name you want for your PC):

hostnamectl set-hostname pc-name

and then reboot.

Pedro Girão
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