Use this tag if your question is about a program's Graphical User Interface (GUI) and how to use it.

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26
votes
7answers
31k views

Which GUI diff viewer would you recommend, with Copy-to-Left/Right functionality?

I've hardly ever used anything other than Meld. Can you recommend anything else? It would be extra nice if you give a reason for your recommendation (as a Comment). [note] I want an alternative ...
10
votes
7answers
30k views

How do I work with GUI tools over a remote server?

I have an Ubuntu server running on EC2 (which I didn't install myself, just picked up an AMI). So far I'm using putty to work with it, but I am wondering how to work on it with GUI tools (I'm not ...
50
votes
2answers
234k views

How to install Desktop Environments on CentOS 7?

I have recently installed CentOS 7(Minimal Install without GUI) and now I want to install a GUI environment in it. How can I install Desktop Environments on previously installed CentOS7 without ...
22
votes
11answers
13k views

Lightest way to run GUI applications in Linux? [closed]

I realized I can use a window manager without a desktop environment and don't lose any functionality I care about. Applications still work fine, I can still arrange application windows as I please. ...
15
votes
4answers
10k views

How do I merge two *.avi files into one

I have two *.avi files: sequence1.avi sequence2.avi How do I merge these two files using a command-line or GUI?
32
votes
2answers
2k views

How does the power button shut the computer down without root permission?

When I try to shutdown the computer from a command line or terminal I must have root privileges: amy@amy:~$ shutdown now shutdown: Need to be root and amy@amy:~$ halt halt: Need to be root but ...
1
vote
2answers
4k views

Run gui application on startup

I can run a script at boot by adding the following line to my crontab: @reboot perl /path/script That works fine. But the problem arises when I try to run a gui application such as gmail notify. It ...
11
votes
2answers
4k views

Detach/reattach an application run on X over SSH?

I have a development server that I leave running all the time, and a development laptop that I turn off/on everyday. I have a GUI application on the server that I'd like to run over SSH -X, and I'd ...
1
vote
1answer
406 views

Show address bar w. full path in Nautilus instead of breadcrumbs bar

Unfortunately, Gnome's nautilus address bar is not showing the full path in its top bar. How can I change this behavior? I'm looking for a solution to display a editable text field instead, like in ...
4
votes
1answer
447 views

What is the icon between settings and lock-screen in Gnome3?

I can't figure out what the icon between my settings and lock-screen icon in Gnome3 is supposed to do. It has two states, locked and unlocked, but it's not the lock screen. When I click it, it ...
32
votes
8answers
16k views

How do I split a flac with a cue?

I've got a full album flac, and a cue file for it. How can I split this into a flac per track. I'm a KDE user, so I would prefer a KDE/QT way, I would like to see command line and other gui answer's ...
9
votes
3answers
36k views

Why can't I run GUI apps from 'root': “No protocol specified”?

I installed debian onto my machine last night. Now, I don't understand why I can't run GUI apps from a terminal when running as root. For example: sudo -i glxgears Generates the following output: ...
8
votes
1answer
91 views

sticking stickies to windows

I'm looking for a sticky notes/knotes/etc type program with one difference: I can stick a note on a window, rather than the desk top, and it will remain attached to the window. Basically, I want to ...
4
votes
1answer
165 views

Degraded areas of some user interfaces, including pixellated or jagged fonts

For me the symptoms were first observed with PC-BSD 11.0-CURRENT. The first of my 2016 screenshots (below) is similar to the 2012 shot in Debian-related Fonts of some applications get confused so, ...
3
votes
2answers
19k views

stop/start gui on debian

I would like to start Debian without the GUI and then just type commands in to launch the desired programs (which are located on my local machine), eg $ chromium-browser & I already do a ...
15
votes
5answers
7k views

How to soft kill gui applications via terminal?

Is there a way to close a GUI application in friendly "please quit yourself now" way, without graphical access to the applications window? For example, if Gnome/X display crashes to black, I'd like ...
8
votes
2answers
9k views

How to run a GUI program as a different user (Debian)?

Using a terminal, I can change the running user with su and sudo — but how can I do that by clicking on an icon/shortcut on the desktop/start menu? If I have to be root to execute I will be asked ...
5
votes
3answers
8k views

What to do to run GUI Java app in chrooted environment?

In my case Java app is JDownloader. I prepared chroot environment as explained here: http://www.0x61.com/forum/post5240333.html#p5240333 and here: http://interreality.org/~reed/java-chroot.html ...
3
votes
4answers
6k views

How to display a (zenity/GUI) dialog to the user after a root cron task has completed

I have a simple periodic cron task that must run as root. I want to use Zenity (or similar) to display a GUI informational dialog to user 1000 (or logged in user or all users) when the cron task ...
3
votes
3answers
644 views

Automating tasks on a website on a headless server

I want to automate a task which can only be done on a website (with prior login) on my debian server. There is no public API available, so I can't use one. Is there a way to do so? I thought about a ...
5
votes
4answers
2k views

GUI input for shell script

I have a shell script which installs a program in RedHat. I need to add a GUI for entering some parameters so that it looks like an installation wizard . I tried Xdialog, Zenity, and Yad, but they ...
4
votes
1answer
456 views

personal document management system

I'm looking for a personal document management system that would: track changes in documents in a configured directory tree save new files to a content repository (thus allowing of their versioning) ...
1
vote
1answer
410 views

Where does “graphical shell” stand in the hierarchy of “windowing system, window manager, desktop environment”?

Today for the first time, I heard about "graphical shell" from that Unity of Ubuntu : Unity is a graphical shell for the GNOME desktop environment developed by Canonical Ltd. and ...
1
vote
2answers
4k views

BackTrack 5 gui won't load after Installation

I Have installed BackTrack 5. It works fine on a live bootable USB, but once I installed a gui it is not loading. Using the command shell, it works fine, but when I type startx in root login, a black ...
2
votes
2answers
691 views

Theming in tiling window managers?

I am trying out tiling window managers like scrotWM, and have noticed that GUI programs start with a "theme" (or lack, thereof) that looks like the bland Redmond theme. Is there a way to specify the ...
1
vote
1answer
57 views

GNOME 3 Different menu options for root and user

I built GNOME 3.16 on my LFS system. I have a strange configuration issue where my root and normal user see different items in the applications menu. Here's a screenshot of gedit's menu options as ...
1
vote
3answers
291 views

Opening current directory from a terminal onto a file browser?

My current directory is buried deep in multiple subfolder layers from my home directory. If I want to open this directory in a gui-based file browser, I have to double click folder after folder to ...
1
vote
2answers
103 views

name of binary vs. name in GUI

I wish I could title this better. An example seems the best way of making the point: In icedove>preferences>attachments, for 'JEPG image' one can select 'Image Viewer' or 'Use other ...'. It turns ...
1
vote
1answer
478 views

Using ncurses for basic GUI on a process started inside an init script

I have a custom written application that runs on a embedded setup (buildroot). My application has to run every time the target device boots up and so I wrote an init script to do this and it works ...