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Abdelaziz Mokhnache
Asked: 2018-05-01 02:19:06 +0800 CST

How to install an application that requires gksu package on ubuntu 18.04?

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I downloaded the Upwork desktop App on ubuntu 18.04. When I open it with Gdebi package installer I saw this error:

enter image description here

I tried to install gksu manually via sudo apt install gksu but I got this error

Building dependency tree       
Reading state information... Done
Package gksu is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'gksu' has no installation candidate

How can I install this software on ubuntu 18.04 (I download it yesturday so it is the most recent version on upwork website) ?

software-installation gksu 18.04

2 Answers

  1. Best Answer

    Introduction

    As Jeremy Bicha wrote:

    Posted on April 18, 2018 by Jeremy Bicha — 8 Comments

    Today, gksu was removed from Ubuntu 18.04, four weeks after it was removed from Debian.

    So theoretically speaking there are no packages on Bionic Beaver 18.04 LTS, depending on gksu. But this is not true:

    $ apt-cache rdepends gksu
gksu
Reverse Depends:
  gexec
  wicd-gtk
  spacefm-gtk3
  spacefm
 |menu

$ aptitude why gksu 
i   menu Suggests gksu | kde-runtime | ktsuss

    As you see some software, which are distibuted by third-party may depend on gksu package. So you can proceed installing gksu with method below on your own risk.

    How to fix?

    Possible solution is to install version from previous (17.10, artful) release.

    Warning: do not execute the commands below if unsure!

    Short method (as @MK suggested)

    wget http://archive.ubuntu.com/ubuntu/pool/main/libg/libgtop2/libgtop-2.0-10_2.32.0-1_amd64.deb
sudo apt install ./libgtop-2.0-10_2.32.0-1_amd64.deb

wget http://archive.ubuntu.com/ubuntu/pool/universe/libg/libgksu/libgksu2-0_2.0.13~pre1-6ubuntu8_amd64.deb
sudo apt install ./libgksu2-0_2.0.13~pre1-6ubuntu8_amd64.deb

wget http://archive.ubuntu.com/ubuntu/pool/universe/g/gksu/gksu_2.0.2-9ubuntu1_amd64.deb
sudo apt install ./gksu_2.0.2-9ubuntu1_amd64.deb

    Test

    Test gksu (should work on Xorg-sessions)

    gksu-properties # check that it has "Authentication mode" to "sudo"
gksu date
gksudo date

    Notes

    After installation the following packages will be marked as obsolete (locally-installed): gksu, libgksu2-0. But they will work as expected.

    • 18

  2. Mixed repositories

    Adding the artful repositories to a bionic system is an absolutely horrible idea. I cannot stress enough how much suffering the notion, alone, of running with mixed repositories will bring. There shall be misery and gnashing of teeth to the end of the age and beyond.

    Masochists, please at least use protection (Apt Pinning).

    Better ideas

    Notes

    • kdesudo has been dropped as well.

    • lxqt-sudo is still around, but didn't work for me.

    • Something called gosa? No idea what it is.

    • Might as well play sudoku until this mess is figured out.

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