GUI Sudo – How to Run a Desktop Graphical Application Just Once Under Sudo

guisudo

For example, I'm trying to run Archive Manager from Ubuntu Desktop (10.04) under sudo otherwise it won't let me extract a Software Development Kit into /usr/local

Update: I don't want sudo to be a permanent change to launching the application; only to run it under sudo when I choose, until it's quit.

Best Answer

You can run the software from the command-line/terminal with gksudo prefixed to the command, which will present the prompt for your sudoer's password prior to launching.

gksudo file-roller

Though you mentioned you do not want to make this a permanent change - you could add a new Menu item into something like Applications -> System Tools via alacarte (System -> Preferences -> Main Menu) The command for which could be gksudo file-roller creating both a regular Archive Manager launcher and a "root" Archive Manager launcher - for convenience.

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Sudo – How to Run an Application Using Sudo Without a Password

You need to edit the sudoers file. Be advised that success gives you a less secure system and failure can break sudo. ALWAYS edit the sudoers file with sudo visudo , as visudo checks for errors and will not save the file if any are found.

It's a bad idea to give everything permission to run as root without a password, so to just let through the one executable you need(apache2ctl); append the following to the very bottom of the file:

YOURNAME ALL = NOPASSWD: /usr/bin/apache2ctl

You can replace the path to an executable with "ALL" if you choose, giving you complete passwordless sudo.

Replace YOURNAME with your username and press Ctrl + X to save and exit. If an error occurred, it will offer to revert, edit, or save anyway.

Be sure that you use the full path to an executable:
ie. /usr/bin/apache2ctl instead of just apache2ctl. This is important because without explicitly stating the path sudo will allow any program named apachectl on the user's current path to run as root.

Ubuntu – Change sudo timeout under fish

The problem was with my shell fish aka user friendly (not very friendly this time, isn't it?) shell. For some reason it seemed that sudo command each time went from different sessions. Adding

Defaults !tty_tickets

in sudoers file (as described http://us.generation-nt.com/answer/bug-598567-sudo-requires-reauthentication-each-use-ignoring-time-stamp-help-200510161.html ) solved the problem. See the link above for the addition information.

Thank you all for your attention without it I could not figure the thing out.

Best Answer

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Sudo – How to Run an Application Using Sudo Without a Password

Ubuntu – Change sudo timeout under fish

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