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I was trying to install a .deb file in Ubuntu 17.10 using gdebi but the password field is disabled.

Also cannot open using gksudo the same password prompt which I cannot type the password.

when i try to install using gdebi

Yaron
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Arjun K N
  • 1

2 Answers2

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if you upgraded to ubuntu 18.04, do this:
create this file /usr/local/bin/gdebi-gtk-pkexec
with this contents: 

#!/bin/sh
pkexec "/usr/bin/gdebi-gtk" "$@"

right click on a .deb file, show properties, set default open with to /usr/local/bin/gdebi-gtk-pkexec

VeganEye
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There might be a problem with gksudo or even your theme; From what I can see in your screenshot you are getting "Incorrect password" message, remember that you should enter your own user's password not the root, both the gksu and gksudo work in --sudo-mode cause root user is disabled in Ubuntu by default.

Anyway you can always run gdebi from terminal:

sudo gdebi /path/to/your/package.deb

It should work for you.

You can also try this one for graphical gdebi installer:

sudo -H gdebi-gtk /path/to/your/package.deb

Another option is to use pkexec to run gdebi-gtk:

pkexec gdebi-gtk /path/to/your/package.deb

You can even use apt to install your deb package:

sudo apt install /path/to/your/package.deb

gdebi will install your desired package from terminal, and gdebi-gtk will show a GUI and you can use "Install package" option as always you do.

Ravexina
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  • Thanks for the reply. I actually installed it using terminal. But still i have to solve the issue.

    I cannot type any password there.

    // getting "Incorrect password" message, // got it when i press ok button without typing any password

     – Arjun K N May 17 '17 at 12:31
  • Have you tried running gksudo with other commands? e.g: gksudo ls? – Ravexina May 17 '17 at 12:33
  • yes its also giving the same password prompt – Arjun K N May 17 '17 at 12:35
  • I'm not sure if it helps however give it a shot: dpkg-reconfigure gksu – Ravexina May 17 '17 at 12:45
  • No change. Still same – Arjun K N May 18 '17 at 10:01
  • I have the same problem on debian testing. With me the password I type get's captured by the underlying program, and I don't see the caret at all. –  Oct 27 '17 at 22:55