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Questions tagged [gui]

GUI stands for Graphical User Interface. An Ubuntu Desktop system includes a desktop environment (such as Unity), display manager, and many graphical applications, providing a GUI for many components of the operating system. A GUI is in contrast to a command line interface (CLI)

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Getting error Gtk-WARNING **: cannot open display: when trying to SSH to my server

Bit of ubuntu noob but I'm trying to run a code off github on a server remotely using SSH, and the code stops at this Gtk-WARNING **: cannot open display: How to solve this error? I don't think I can ...
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Differences using the slash in the server terminal or server terminal with GUI

I have installed the 18.04 LTS server version. I did different commands like: tar -xzf xxxx.tar.gz xxxx/ (without GUI) hadfs dfs -put input /input (with GUI) I did other commands which work with ...
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How to resolve slow and bumpy performance on screen in Ubuntu 18.04?

When I use the touchpad of my laptop the mouse pointer on screen reacts with annoying delay and bumpy. Also when typing text, the letters appear on screen with delay. In earlier Ubuntu releases I did ...
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How to remove Ubuntu-desktop while keeping Xubuntu-desktop?

Today I had problems with a blank screen after the log-in page of my Xubuntu. This problem was resolved by re-installing xubuntu-desktop through this process: sudo apt-get update sudo apt-get install ...
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1answer
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How can I start an another GUI from virtual console in Ubuntu 18.04?

After switching with Ctrl+Alt+Fn to another virtual console what are the steps to start the same GUI as usual with the same or another user? The only progress I've achieved is an X session (?) after ...
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Use curses to execute separate code

I am trying to create a simple GUI that will let the user execute a separate, standalone C program. The program is mildly complex but self-sufficient. Once it gets executed, it'll perform everything ...
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1answer
33 views

GUI doesn't start in Ubuntu server 16.04

I had a VPS running Ubuntu server 18.04. When I installed the Ubuntu desktop, it worked fine. For a reason, I have to change the server to Ubuntu 16.04. When I try to install any desktop environment, ...
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How to show in menu apps of different desktop environments?

I have installed different environment flavours (Unity, Mate, Xfce, KDE...) on my machine. I have set on login to use Xfce. But there are some apps/software in the other environments which I would ...
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Is it possible to make a graphical snap for Ubuntu Snappy on the RPi?

I would like to know how to make a snap with a GUI for the raspberry pi running Ubuntu Snappy Core. I have unfortunately not been able to find any good resources on this, if anyone knows any, it would ...
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Why on GUI the shutdown is rootless whilst on terminal is not? [duplicate]

In older days that I used to run Fluxbox, in order to be able to shutdown my computer I need to allow passwordless root access via sudo to the command shutdown by running viedit and doing the ...
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How to run start a GUI from crontab on Ubuntu 18? [duplicate]

I run Unity desktop with Ubuntu 18 In my crontab (root) I put * * * * * export DISPLAY=:0 && gedit Gedit NEVER start How can I start a GUI from crontab ? I tried with different values for ...
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Adding mac like gestures in ubuntu

I am using ubuntu 18 and trying to use this guide to add mac like trackpad gestures, I did everything and nothing happens. my lenovo laptop supports multi gesture. What should I do?
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Some numeric labels don't show up in my Sublime Text

I reinstalled Sublime Text 3 multiple times but it does not show up some numbers. For example line number, column number, build number, etc. (see image below). I don't understand what's going on but ...
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Android devices don't show up in “adb devices” until logged into Ubuntu GUI session

We have thousands of Android devices that we test on hundreds of Ubuntu hosts and one of the big problems we're running into is that unless you log into the host via the GUI, some of the devices (...
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1answer
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No GUI after Login, GUI works if I drop into TTY terminal then back to lightDM

Just installed Xubuntu 18.04 on my HP Pavilion 15 in a dual boot configuration with windows. I was running Gnomebuntu 16.04 previously, but I am now unable to either install any distro or get the ...
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Why my apps font seems to be corrupted in my kivy app (Python)

I am do have an issue with my Ubuntu. I created an app for Android which you can see on a screenshot, but. It seems like my Ubuntu cant display font as it supposed to be displayed. If I try to run ...
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display manager issue - Screen/GUI loads layer by layer in ubuntu 16.04 LTS

Recently I got notification from software updater that update is available and instead of using apt-get upgrade I just updated from software updater, after reboot the screen was flickering ...
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Controlling fans via a graphical user interface

I have been asking myself if there is any gui application to control the fans, as pwmconfig might be a bit too much for a noob like me. There are plenty of those applications for windows, but I couldn'...
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1answer
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How to remove right-side workspaces panel in gnome-shell?

The panel i'm talking about resides on the right side in gnome applications overview (just pressing super key). In standard gnome environment if you set static workspaces to 1 in gnome-tweak-tools - ...
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1answer
160 views

How to switch to gain root privileges in Nautilus file browser by typing in the addressbar in GUI while it's being used

I saw in a reddit comment that it was possible to switch to root user in nautilus file browser by just typing in a series of forward slashes and colons. I've since forgotten the sequence and searching ...
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1answer
45 views

How do I revert to the previous GUI? [duplicate]

I upgraded from 16LTS to 18. Among other problems, I am stuggling with this interface. How can I go back to the old interface?
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Ubuntu 18.04: How to not move background window when window with focus is moved [duplicate]

I recently upgraded to 18.04 from 16.04. The process largely went without a hitch, however I have noticed a new annoying problem. If I have a program open that then opens another window, I cannot ...
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How to launch GUI interface on ubuntu 18.04 VM through putty from windows 10 machine

I am a new user of ubuntu. I get access to ubuntu server via a VM. I logged in to ubuntu VM through putty from windows 10 machine. I installed the desktop on the server using the command: sudo apt-...
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1answer
58 views

Ubuntu 18.04 LTS: The client area of window of some apps is black while starting

Recently I upgraded my 16.04 LTS to 18.04 LTS. After that I noticed that initialization of some apps (krusader, okular e.g.) takes more time that it took before and while starting the window they show ...
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Dock crashes periodically but returns immediatelly

After updating to ubuntu 18.04, my dock crashes and reappers every like 10 minutes. This is extremely annoying. Is there a way to fix it?
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1answer
42 views

KDE gui gone on apt-get autoremove

Found existing questions with matching headline are dated deep in the past so me considers them as unrelated. One of first operations for Ubuntu machine here after upgrade to Bionic B. completed (...
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1answer
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What does the cog wheel in Ubuntu's Settings > Search do?

I just did a clean install of Ubuntu 18.04.1 in a virtual machine. After fully updating the system via the command line, I looked at various options in Settings. The bottom row of the Search window ...
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1answer
241 views

Kubuntu 18.04 no more GUI after upgrade from 17.10

I upgraded Kubuntu from 17.10 to 18.04 LTS today. Upgrade went well, until the system rebooted. I got the Kubuntu splash screen, but then: nothing. Black screen. I can however enter TTY 2-6 (1,7,8 not ...
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1answer
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What will happen if I install the same package twice, for example the ubuntu-desktop?

So I was wondering, what would happen if I run the command sudo apt-get install ubuntu-desktop and then it failed to install a few packages, so I just did the following sudo apt-get update sudo ...
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4answers
261 views

How do I run a graphical sudo in bash on kubuntu 18.04 now that kdesudo is gone?

TL;DR: What's the new right way to do a graphical sudo from a shell script? Flailing: I just upgraded from kubuntu 16.04 to 18.04 and I'm doing the normal triage. kdesudo is gone in 18.04 (...
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2answers
1k views

How can I pin a specific document so I can access it easily and frequently?

In Ubuntu, you can mark certain applications as your favorite, and in the file explorer, you can drag folders to the left sidebar. But I can't seem to add a bookmark for a specific file, nor can I set ...
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1answer
32 views

Forward X session over SSH for an already-running program?

I know how to forward X sessions to my local computer, and I know how to run GUIs to start on the remote machine using export DISPLAY=:0.0. However, let's say I have a bittorrent client, like ...
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1answer
82 views

GUI feature missing from full ubuntu installation 18.04

I encountered multiple problems installing libraries (to python) that have many dependencies..at some point I think it just crashed, now it boots only to terminal window starting from login. ...
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How can I restart the GUI in Ubuntu 18? [duplicate]

I'd like to restart the GUI in Ubuntu 18 (using the standard Gnome interface), without rebooting. How can I do this? I've found both these questions (Restart Only GUI Session Or Restart Only ...
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2answers
168 views

How to edit target path of broken symbolic link from GUI?

Let's assume the following situation: I have file1 somewhere $ touch file1 I make symbolic link to file1 as symlink1: $ ln -s file1 symlink1 $ file symlink1 symlink1: symbolic link to file1 I ...
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How to purge everything related to the GUI

How to reinstall broken Ubuntu (16.04) GUI and purging all the related libraries, and the packages installed from the sources related to the GUI ? Firstly I tried to install the latest version at ...
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1answer
64 views

How can I install a GUI and browser on a ubuntu server and connect it from Windows 7? [closed]

I hope to apply a ubuntu server at https://www.vultr.com/. I hope to install a browser such as Firefox or Chrome on the ubuntu server and remote connect from Windows 7. I think I should to install a ...
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0answers
22 views

GUI Window Switching without a DE

I usually run Ubuntu in a chroot on a ChromeBook, within a xiwi window. I didn't install a DE, so when I start it up, I just open an LXTerminal to start stuff from there. I really like CLI, and not ...
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1answer
156 views

Sending a SMS from KDE Connect in Kubuntu 18.04

I set up KDE Connect on Kubuntu 18.04. Ping and the File Explorer are working fine from the desktop. I am able to recieve, read and respond to SMS. However, I have no clue how I can send an SMS, when ...
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1answer
18 views

Some packages have only italic font

Hello I am running ubuntu 18.04 with gnome. Some packages (like zenmap and audacous) have italic fonts even though I have my font in gnome tweak set to Ubuntu light and medium.
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1answer
43 views

Start another lightdm service

There is one GUI already running using the lightdm service, is it possible to start another such GUI?
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0answers
22 views

How to make an invisible terminal(without the top bar as well) and then pin it to the top without interacting with it

I am not even sure if this is possible but I want to have a terminal window, that has transparent background and is pinned to the top but it doesn't react to any key press or mouse event at all. ...
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0answers
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GUI application to configure wacom draw pad?

I proudly own Wacom Intuos S what is great tool for bedroom-coder / one-man-company like myself. Driver is installed, module is loaded and server is running. Only problem is that I'm unable to find ...
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0answers
25 views

Mouse button gets locked in java applications

I'm running a relatively fresh installation of Ubuntu 18.04 on a new laptop. I have a couple of applications that I use that are written in Java -- specifically Aqua Data Studio and JetBrains Data ...
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1answer
123 views

How to auto(re)connect to openvpn connection?

I've got an openvpn connection set up, which I basically always need to use. Is there a way to always make it connect whenever there is an internet connection?
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1answer
61 views

Clicking on the system monitor button does not work anymore from one day to the next (Ubuntu 18.04)

My taskbar on the left side displays the system monitor symbol. By just clicking on it, I was able to open it. But suddenly, it stopped working. I clicked on it and Ubuntu seemed to load and open the ...
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43 views

Open the GUI application remotely from Ubuntu 16.04 in Ubuntu 18.04

I have Ubuntu 18.04 in my laptop and I use ssh -X to access Ubuntu 16.04 in a workstation. I can open some graphical application from Ubuntu 16.04 in my laptop like xmgrace but I can not open others ...
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1answer
33 views

Desktop shortcut to end a specific process

Is there a way to create a desktop shortcut that will end a specific process in Ubuntu 18.04? I tried the following .desktop file but nothing happens. [Desktop Entry] Name=EndConky Exec=pkill -9 -u $...
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Ubuntu 18.04 Turned off Sync to Vblank and get blank screen after login

Thanks for reading this. I just installed Ubuntu 18.04 and I noticed the animations were very choppy. The first thing that popped up on google was this tutorial which told me to try using compiz to ...
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0answers
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Is there an Ubuntu CLI only installation with GUI/$DISPLAY support?

I have the NetBoot/Minimal installer currently booted on my system, and I'm in the "Software Selection" screen. Is there a way to install the CLI with access to the $DISPLAY variable? I've read ...