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Tags: command-line   nautilus   gedit   policykit   gksudo   grub  
Link: 🔍 See Original Answer on Ask Ubuntu 🔗

URL: https://askubuntu.com/q/847769
Title: How can I create new "gksu" command based on pkexec?
ID: /2016/11/10/How-can-I-create-new-_gksu_-command-based-on-pkexec_
Created: November 10, 2016    Edited:  November 11, 2016
Upload: November 24, 2022    Layout:  post
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Before you can use pkexec with gedit and nautilus you need to copy the polkit rules to support them. This will automatically be done in Ubuntu 17.04 but in the mean time you need to wget them.

Nautilus Policy Kit

wget https://raw.githubusercontent.com/hotice/webupd8/master/org.gnome.nautilus.policy -O /tmp/org.gnome.nautilus.policy
sudo cp /tmp/org.gnome.nautilus.policy /usr/share/polkit-1/actions/

Gedit Policy Kit

wget https://raw.githubusercontent.com/hotice/webupd8/master/org.gnome.gedit.policy -O /tmp/org.gnome.gedit.policy
sudo cp /tmp/org.gnome.gedit.policy /usr/share/polkit-1/actions/

“gsu” bash script to replace “gksu”

Creating a bash script is one of two ways to call pxexec using the somewhat familiar term of gsu. Create this file in one of your paths:

#!/bin/bash

# Usage: gsu gedit file1 file2...
#  -OR-  gsu natuilus /dirname

# & is used to spawn process and get prompt back ASAP
# > /dev/null is used to send gtk warnings into dumpster

COMMAND=$1 # extract gedit or nautilus

pkexec "$COMMAND" "${@:2}" &> /dev/null&

Save the file and mark it as executable with chmod +x gsu

Now instead of typing gksu to edit grub configuration you can use:

gsu gedit /etc/default/grub

“gsu” as an alias of “pkexec” to replace “gksu”

Creating an alias is the second option to call pxexec using the somewhat familiar term of gsu. Open the file ~/.bashrc and search for alias. You will see this:

# some more ls aliases
alias ll='ls -alF'
alias la='ls -A'
alias l='ls -CF'

After the last line add this:

alias gsu='pkexec'

Save the file and exit.

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