Linked Questions
91 questions linked to/from Why don't gksu/gksudo or launching a graphical application with sudo work with Wayland?
29
votes
1
answer
48k
views
GParted - Cannot open display [duplicate]
I just installed gparted because I have a 135 GB flash drive that I want to use for bootables for different OSs.
After I installed gparted and opened it from the Dash, I got the prompt for my ...
11
votes
2
answers
11k
views
Synaptic not launching on Ubuntu 17.10 [duplicate]
I just installed Ubuntu 17.10. Everything seems to be working quite okay, except that I'm unable to use Synaptic. I installed it with (apparently) no problems, but when I click its icon, nothing ...
22
votes
1
answer
35k
views
gparted won't start under ubuntu 17.10 [duplicate]
I have been using gparted for years under any ubuntu version.
gparted won't start under ubuntu 17.10. Is this a bug of ubuntu 17.10?
11
votes
1
answer
29k
views
"Command 'gksu' not found" error on Ubuntu 18.04 [duplicate]
While running
gksu gedit /etc/udev/rules.d/somefile.rules
I am getting this suggestion.
Command 'gksu' not found, did you mean:
command 'gosu' from deb gosu
command 'ksu' from deb heimdal-...
9
votes
2
answers
10k
views
GTK Ubuntu 17.10 [duplicate]
I use Ubuntu 17.10.
When I start gedit, virt-manager as root I get a dubious error message:
gtk warning cannot open display :0.0
I read many posts but none works with Ubuntu 17.10.
Thanks for any ...
4
votes
2
answers
12k
views
Missing ~/.Xauthority file in Ubuntu 17.10 [duplicate]
In Ubuntu 17.10, when I log in using Wayland and try to run a GUI app using root access it says
unable to copy the user's xauthorization file
I tried
sudo chown sharif:sharif ~/.Xauthority
but ...
4
votes
1
answer
6k
views
Make desktop entry for app that requires root privileges [duplicate]
I used gksu before but it seems that it is no longer available. So how can I make something with the same functionality? Obviously I can still run app through the terminal but I don't want to do that.
...
1
vote
1
answer
6k
views
GParted doesn't Start? [duplicate]
I have installed GParted in 17.10, GParted doesn't Start when I click on icon of GParted, and I tried to start it from terminal using sudo gparted it doesn't work too.
2
votes
2
answers
10k
views
How run Dolphin as root on Kubuntu [duplicate]
I am running a fairly current version of Kubuntu...
Kernel: 4.13.0-36-generic x86_64 bits: 64
Desktop: KDE Plasma 5.10.5 Distro: Ubuntu 17.10
In all the "KDE" distros I've used in the past I ...
1
vote
1
answer
4k
views
How can I edit apache settings file on 17.10? [duplicate]
I've installed 17.10 , php7 and apache2 via apt. I'm not able to edit the apache files to use an specific directory to use the files. I've tried
sudo gedit /etc/apache2/apache2.conf
but it returned:
...
1
vote
1
answer
5k
views
Putty ssh client fails with Segmentation fault after upgrade to 17.10 [duplicate]
sudo putty fails with:
Invalid MIT-MAGIC-COOKIE-1 keyUnable to init server: Could not connect: Connection refused
(putty:2153): Gtk-WARNING **: cannot open display: :0
putty fails with
Segmentation ...
0
votes
1
answer
5k
views
Error while launching xampp [Unknown Error couldn't connect to display "desktop:0"] [duplicate]
Recently I upgraded to ubuntu 17.10, now whenever I try to launch xampp it gives error:
Initially error was:
Invalid MIT-MAGIC-COOKIE-1 keyError: cannot open display ':0'
After this I ran:
...
2
votes
1
answer
2k
views
Can't use gksudo to run gedit, error copying .Xauthority [duplicate]
I have a battery power issue that I'm trying to resolve. One proposed solution involves adding some boot arguments and then removing the battery, but I'm running into trouble on the first step. To add ...
1
vote
1
answer
3k
views
Synaptic failing to launch on 17.10 [duplicate]
I have just done a clean install of 17.10 I am finding that synaptic package manager won't work:
synaptic-pkexec
No protocol specified
Unable to init server: Could not connect: Connection refused
...
2
votes
2
answers
2k
views
Synaptic Package Manger is not launching in Ubuntu 18.04 [duplicate]
This is Sushanta, started familiarizing with Ubuntu Linux. After a successful installation of Ubuntu version 18.04 in my Fujitsu Life book U772 tried to launch Synaptic Package Manager. Unfortunately, ...