The Ubuntu System settings is often referred to the GNOME system settings. Use this tag if you have trouble using the System Settings in Ubuntu.

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5
votes
2answers
6k views

Appearance icon has disappeared from system settings menu

I go to system settings and appearance is gone. I tried searching it in the dash and it is not there. When I right click the desktop and select "Change background" the system settings window opens. I ...
3
votes
4answers
765 views

System Settings icons missing in 14.04

I did a fresh install of trusty 14.04, but a lot of icons are missing. I installed from DVD which was painfully slow and I hope to avoid repeating the process, especially since I started customizing ...
4
votes
3answers
6k views

Settings for multiple monitors are not stored

I am running Ubuntu 12.04. on a Lenovo Thinkpad T400. I connected an external monitor as a second display. The laptop stands under the external screen. The laptop has a native resolution of 1440x900 ...
15
votes
2answers
3k views

Is it possible to add custom items to System Settings window?

For example, how to add a "Startup Applications Preferences" launcher to this Window?
1
vote
3answers
9k views

No Sound card detected in Sound Settings, although sound works

I have Ubuntu 12.04 installed on my laptop. When I go to Sound Settings while logged into my user, no sound card appears detected. In spite of this, the sound on my laptop is working ok, and I can ...
9
votes
3answers
6k views

Missing System Settings in Ubuntu 14.04 after customization

While playing with Ubuntu 14.04, I installed or uninstalled some packages. I do not even remember what I was doing. As a result, now I can't see most of the system settings in settings window. Any ...
5
votes
1answer
2k views

Change system settings depending on whether a monitor is plugged in

I'm currently using a Laptop running Ubuntu 12.04. When I'm at work I plug in a monitor, mouse and keyboard. Then I close my laptops screen and use it as a normal pc. Everytime I plug it in and plug ...
2
votes
2answers
3k views

Changing swappiness in sysctl.conf doesn't work for me

I'm using 12.04 LTS and can sudo sysctl to set swappiness to 10, but adding vm.swappiness=10 to sysctl.conf doesn't work for me - after I reboot, swappiness still reports 60 (default) I'd like to be ...
5
votes
2answers
8k views

My laptop keeps locking on lid close, ignoring my settings

Whenever I close my laptop's lid, it locks and I have to enter my password to get it to resume. In my power settings, I have selected "Do nothing" for the option "When lid is closed" for both "On ...
4
votes
2answers
2k views

How to see a list of the keyboard shortcuts?

For example, how can I find out what keys switch between multiple terminal windows? I'm trying to use the keyboard more and more and the mouse less. If I have multiple windows open I can use ...
4
votes
5answers
2k views

Appearance, Online accounts disappeared in System Settings in Ubuntu 13.10

I was installing some apps and icons then I noticed that there were about 4 games installed, so I went to the Software Centre to remove them. Then I wanted to add my Facebook account to Online ...
0
votes
1answer
184 views

System-Settings option is missing

I no longer get the system-settings option on my ubuntu 12.04. I have earlier used it several times without any problem. I am not aware which action could have caused this problem but I don't ...
3
votes
1answer
2k views

How to change the hibernate and suspend settings at a system-wide level in Xfce?

I've found the following commands : xfconf-query -c xfce4-session -np '/shutdown/ShowSuspend' -t 'bool' -s 'false' xfconf-query -c xfce4-session -np '/shutdown/ShowHibernate' -t 'bool' -s 'false' ...
2
votes
1answer
95 views

How do I start the Privacy and Activity Manager from command line?

This is the "Security & Privacy" dialogue in System Settings.
2
votes
1answer
3k views

Set web proxy using pac-file-url in lubuntu

I want to use a pac-file-url to set the web proxy rules for chromium in lubuntu. Chromium reads its settings from the system wide OS settings. I read How do I set systemwide proxy servers in ...
2
votes
2answers
5k views

Where are the proxy settings saved? [duplicate]

Possible Duplicate: How do I set systemwide proxy servers in Xubuntu, Lubuntu or Ubuntu Studio? I'd like to built a script to switch the proxies between home and work. I know that you can ...
1
vote
0answers
176 views

Ubuntu 13.10 resets key map loaded with xmodmap when switching keyboard layout

I'm trying to switch left Ctrl key with CapsLock. I took theese lines from manual to xmodmap: remove Lock = Caps_Lock remove Control = Control_L keysym Control_L = Caps_Lock keysym Caps_Lock = ...
0
votes
1answer
62 views

Settings reset every time laptop is restarted

I am using Ubuntu GNOME 13.10, and my settings always reset every time I restart my laptop! For example, Clementine library is back to empty, default browser is back to Firefox, etc. I need to set my ...
0
votes
2answers
70 views

Wierd window look for system apps

I installed some special programs a time ago and added several extra repositories. After trying those apps, I uninstalled them and the according repos. For a several amount of time, I have wierd ...
0
votes
1answer
108 views

Change Default Scale Method Setting for KDE Wallpapers

I wish to change the default scaling method for the desktop wallpaper in KDE(more specifically Kubuntu) by editing the configuration file KDE uses to fill in those defaults on a fresh install. So ...
0
votes
1answer
949 views

Cannot permanently prevent power saving blank screen on Compaq Presario C700 with Ubuntu 12.10

I have a Compaq Presario C700 which has a GRUB multi-boot for Ubuntu 12.10 (32 bit), Ubuntu 10.10 and Windows Vista. This machine is always run by mains electricity rather than by battery as I have ...