All Questions

74
votes
0answers
3k views

How do I write a Unity system indicator in Python?

Background: This is NOT for application-indicators but system-indicators. Picture from: https://wiki.ubuntu.com/DesktopExperienceTeam/ApplicationIndicators The objective is to show indicator-...
51
votes
0answers
957 views

Building Full Perl Support in Ubuntu SDK

I am running Ubuntu v14.04, and after some effort, I have successfully installed the Ubuntu SDK. I need to use Perl + QML/Qt to develop a (potentially large) number of fully-functional apps through ...
19
votes
0answers
1k views

Fujitsu S1300i advances document but doesn't scan

I'm using a Fujitsu ScanSnap S1300i. Using sudo as a temporary workaround to minimise any permissions problems: $ sudo sane-find-scanner found USB scanner (vendor=0x04c5 [FUJITSU], product=0x128d [...
17
votes
0answers
208 views

How can I add custom dependencies to Click packages

My Ubuntu touch application requires a package called libqt5network5 to run. (This is installable via APT.) Once I build the Click Package from Ubuntu SDK and install, it does not check for the ...
14
votes
0answers
805 views

Possible to make “Forget password immediately” the default when opening LUKS encrypted partition?

When a LUKS encrypted partition pops up the unlock window it gives 3 options for how to remember the password. The "Remember password until you logout" is always ticked by default. Is there a way to ...
14
votes
0answers
2k views

Mount usb to serial adapter CANBUS and can-utils ubuntu?

I have this adapter and I'm trying desperately to mount it in Ubuntu so I can use can-utils to monitor the device but I'm failing. I'm trying to communicate with a serial to the can-bus adapter in 14....
13
votes
0answers
855 views

Fn Media keys slow/delayed on ubuntu gnome 17.04

I just installed Ubuntu 17.04 on my Asus ROG GL752VW laptop and I decided to install gnome-shell and then install ubuntu-gnome-desktop. After some use, I noticed a delay when using Fn + F5or F6 as ...
12
votes
0answers
781 views

bfd.h should have included libiberty/ansidecl.h in Ubuntu 14.04?

binutils package seems to be changed, as it includes directory of libiberty.h has moved to /usr/include/libiberty, thus there is possible a wrong include in bfd.h regarding ansidecl.h. Getting those ...
11
votes
0answers
2k views

Why does nvidia-detector return none?

Could you help me find out why nvidia-detector returns none? Here is the output of some troubleshooting commands, by the way, Nvidia settings is installed and the driver is installed via software and ...
11
votes
0answers
5k views

Xubuntu 16.04 - second monitor disabled after display sleep

My computer is set not to sleep or lock, but to blank the display after eg 10 mins. I have 2 monitors, which, prior to 16.04, worked as expected - the only noticeable thing was that, for whatever ...
10
votes
0answers
194 views

How do I remove any Ubuntu brand and trademark from my Ubuntu install?

I am running Ubuntu 17.10 and I would like to build a completely de-branded ISO of it. This means not just dropping the Ubuntu name from /etc/lsb_release but also deleting references in the text of ...
10
votes
0answers
3k views

rdesktop gives ERROR: Failed to open display:

I have a .bash_aliases file with several aliases which I use to connect to Windows machines. The aliases are set up like this: rdesktop -d domain -u username -p password -k fr-be -g 1920x1024 -T ...
10
votes
0answers
923 views

no hdmi video after suspend on intel NUC6i7KYK

I have the latest Intel NUC, NUC6i7KYK (specs here), running close to stock Ubuntu 16.04. Its monitor is hooked up via HDMI. When it wakes up from suspend (S3), it never wakes up the display. The ...
10
votes
0answers
2k views

Unlock ubuntu pc using my phone's fingerprint scanner

My ideal app is something like MacID (http://macid.co/) but one that works with either iPhone or Android to unlock my ubuntu pc.. This offers some ways but they are limited to BT for linux. I want ...
10
votes
0answers
2k views

Get binary delta-encoded recursive diff of two directories as single patch file in CLI (and online use)

Essentially, I am looking for a GNU/Linux tool, that could recursively iterate through two directories, find file changes/additions/deletions; and for all changed files, output a diff. This can ...
9
votes
0answers
143 views

How to unbind the Super or Logo key so it may be used by applications?

I'm running kubuntu-desktop on Lubuntu 17.04. I'd like to use the Super key in applications but it currently activates desktop application menu. I looked in System Settings -> Workspaces -> ...
9
votes
0answers
1k views

Does anything useful happen during the KDE Plasma5 splash screen load delay? It seems to just waste time

As far as I can tell the startup splashscreen after logging in on Kubuntu with Plasma5 seems to be a pointless busy loop that locks up the user interface for several seconds while nothing is achieved ...
9
votes
0answers
553 views

Are there any SVN plugins for PCManFm?

For my personal development I use an SVN and while it works great in my IDE I would also like to see things when I'm viewing my workspace in PCManFm. Are there any plugins that do this? I can't seem ...
8
votes
0answers
1k views

Set CPU temperature throttle threshold on Ubuntu/Thinkpad

I receive following error messages a couple of times per hour: 08.03.18 21:27 kernel CPU0: Core temperature above threshold, cpu clock throttled (total events = 2234) 08.03.18 21:27 kernel CPU2: ...
8
votes
0answers
562 views

Chrome Wayland Scaling Issue

I'm running Gnome 3.24 on Ubuntu 17.04, linux kernel 4.12.0-041200-generic, on a Dell XPS 13 with skylake i7. The laptop has a 3200x1800 display and plugged in is a 25" Dell ultrasharp at 2560x1440. ...
8
votes
0answers
996 views

I can't click on an app icon in Launcher Dash in 16.04, how to fix?

I just upgraded to 16.04 last week and moved the launcher down. Since then, the app icons in the Launcher Dash are un-clickable. When i try to click, my click does not go to the launcher dash, but ...
8
votes
0answers
1k views

pam_mount often unable to mount and hangs for minutes

I have some centrally managed Ubuntu workstations that authenticate users against Active Directory and mount user home folders on logon with pam_mount. This usually works as expected, but sometimes ...
8
votes
0answers
297 views

Get Windows Back After Waking Up On 16.04 LTS

On my dual-monitor setup some windows get off screen after the sleep (suspend) mode. I have to manually Alt+Space to move them back. How can this be accomplished automatically after the sleep?
8
votes
0answers
2k views

Problem with USB mouse in Ubuntu 16.04

Since I have Ubuntu 16.04 have not had any problems with the PS2 mouse, but a week ago I placed a new mouse USB. This mouse freezes randomly (Sometimes while I am using the PC and sometimes this ...
8
votes
0answers
878 views

bamfdaemon causing performance issues in Ubuntu 14.04

Recently I've been having performance issues (sluggish switching between workspaces, icons not being removed from tray upon closing, etc...) on my computer which runs Ubuntu 14.04. I've found the ...
8
votes
0answers
140 views

How to add user to Ubuntu Phone?

Normally I would just do: sudo adduser anewuser and then provide the initial password. However in Ubuntu Phone I get: passwd: Authentication token manipulation error passwd: password unchanged ...
8
votes
0answers
922 views

Two X-screens, how to get a window manager on second screen?

I'm using Ubuntu 14.04 with Unity. I have two X-screens, on separate graphics cards. I believe the screens are :0.0 and :0.1. The problem is that, at startup, only my primary screen has a window ...
8
votes
0answers
4k views

Add virtual X11 screen to use via VNC

I'm trying to add a second screen to my ubuntu 14.04 gnome setup, via a VNC client. To be clear: I don't want to connect to a different session, but the same. However, I want to see a different screen,...
7
votes
0answers
3k views

Failed to start Snappy Daemon

Tried restarting my computer and while it's booting Ubuntu 18.04, it gets hung up after: [FAILED] Failed to start Snappy daemon, See 'systemct1 status snapd.service' for details, New to Ubuntu so I'...
7
votes
0answers
796 views

Mouse cursor freezing randomly for 5 seconds

I have just upgraded from 17.10 to 18.04. Every went smoothly but now my mouse cursor randomly freeze for about 5 seconds. I was using Gnome Shell on Wayland. And I got no problem (except some lags ...
7
votes
0answers
963 views

Cannot Switch Terminal Ubuntu 18.04

Since I installed Ubuntu 18.04, I can not switch to tty3-7 from the login screen. Until Ubuntu 17.10, this worked perfectly using Ctrl+Alt+F3, F4, .. both from login screen and from user sessions. ...
7
votes
0answers
3k views

Bluetooth Issues in 18.04 LTS

I am using Ubuntu 18.04 LTS and after the recent upgrade to the final release on April 26, 2018, I found that my laptop (Dell Inspiron 1440) was unable to connect to my Bluetooth speakers using a ...
7
votes
0answers
176 views

View full message from gnome notifications area

The Gnome Notifications area only shows the title and a portion of the first line of a message. Clicking on the message in the Notifications area simply removes the message. I've tried looking at the ...
7
votes
0answers
7k views

GitKraken and Kubuntu - installs but doesn't run

I just tried to install GitKraken, but it doesn't run on Kubuntu 16.04. When I run the program in terminal, I get the output: state: update-not-available App load time: 448ms state: checking-for-...
7
votes
0answers
571 views

Unity7 and Gnome 3: How to disable “lock was blocked by an application”, so that Gnome3 always locks the screen?

When I have virtualbox in full screen, on Unity it always locks after 5 minutes, but in Gnome3 (and even Unity7) it shows a popup message: lock was blocked by an application. Can I force Unity or ...
7
votes
0answers
3k views

Audio sharing in Teamviewer

I use Ubuntu 14.04 on my HP Desktop. I have Teamviewer installed in it, the latest version for Linux. I also have the latest version of Teamviewer installed on my HP Laptop running on Windows 8. I ...
7
votes
0answers
1k views

Configure Xorg to work from integrated GPU

I am using Ubuntu 14.04LTS, with an Intel CPU + integrated graphics, with a GTX650 GPU. I asked this question on SO but they said it was offtopic. I want to use my GPU for debugging CUDA code and for ...
7
votes
0answers
656 views

Ubuntu 14.04 crashes on resuming from suspend

Scenario. I recently uninstalled Nvidia propitiatory drivers, and installed nouveau ones. Before that, sleep and resume worked fine. So it might be a driver issue, but i dont want to taint my kernel ...
7
votes
0answers
16k views

“File does not contain a valid CIL image” error while executing file with mono

I am trying to run superoneclick using mono. I tried the following command mono ./superoneclick.exe I also tried mono superoneclick.exe But both give an error stating Cannot open assembly '...
7
votes
0answers
2k views

Disabling the anti-aliasing for a specific font with user's fonts.conf

Purpose: I am trying to disable anti-aliasing via ~/.config/fontconfig/fonts.conf for a specific font, but so far without success. If my understanding is correct, then the cause is, that the system ...
6
votes
0answers
144 views

How can I make Ubuntu 18.04 default to reboot using kexec (with EFI)?

What would be the proper way to make Ubuntu reboot using kexec by default (especially when the reboot is initiated from the GUI)? I found this kexec reboot script, that when downloaded and run with ...
6
votes
0answers
4k views

What has changed in nvidia proprietary driver packaging in 18.04 Bionic?

For many years I have installed nvidia proprietary driver manually installing only 4 packages and everything works fine: nvidia-xxx, libcuda1, nvidia-opencl-icd and nvidia-settings "sudo dpkg -i *....
6
votes
0answers
776 views

Unable to mount external encrypted disk

Running Kubuntu 17.10 I have an external hard disk of 500GB split into two partitions of equal sizes. One partition is an NTFS partition and the other is an encrypted partition. When I connect the ...
6
votes
0answers
1k views

How to install Java9 with JavaFX?

I installed Java9 as described here. This works without any problems for any projects I tried without JavaFX. Unfortunately my company runs its UIs with JavaFX and those packages seem to be missing. ...
6
votes
0answers
1k views

Vnc using Ubuntu 17.10 with Wayland

I was wondering if anyone could give an update on the state of vnc in Ubuntu 17.10 with Wayland, and if it is possible, some instructions on how to set it up. The vnc documentation on the Ubuntu ...
6
votes
0answers
755 views

Wayland equivalent to “xset led”

I have been using Ubuntu since 16.04, with the CM Storm keyboard. When using this keyboard on Windows, pressing the Scroll Lock key enables/disables the backlight. Previously on Ubuntu, the commands ...
6
votes
0answers
545 views

Why is Ubuntu Software only showing Editor's Picks?

My Ubuntu Software (not Ubuntu Software Center) isn't functioning any more. The only thing I get to see is the Editor's Picks. I think it has to do with installing the GNOME Desktop Environment. ...
6
votes
0answers
1k views

Ubuntu 17.04 - Installing TLP asks for additional dependencies like postfix

Have issue with installing TLP in Ubuntu 17.04. It brings up new dependencies like postfix, which I don't want to install in a home laptop. Earlier versions of ubuntu did not ask for postfix.
6
votes
0answers
776 views

Ubuntu 16.04 LTS - Some bluetooth headpones connect, some not

I'd like to ask for your help. The situation is as follows: Previously on Ubuntu 15 all bluetooth headphones used to work with some configuration files modifications described here and also on this ...
6
votes
0answers
1k views

LUKS keyscript being ignored … asks for password

Let me begin by saying I'm not new to LUKS. I've set up LUKS with keyscripts numerous times with and without LVM. I'm not sure what is actually going on here though. I have a system that has a single ...

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