4
votes
0answers
853 views

Ubuntu 16.04 updating Google Chrome gets weak digest and hash sum mismatch messages

So for a while now whenever I run sudo apt-get update I have been getting some output regarding google-chrome similar to: W: http://dl.google.com/linux/chrome/deb/dists/stable/Release.gpg: Signature ...
4
votes
0answers
210 views

VLC interface problem in 16.04

In VLC if I enter into full screen mode by double clicking, then after auto screen turn off time(The time of inactivity after which the screen turns off in idle mode) the mouse pointer and the control ...
4
votes
0answers
4k views

Ubuntu 16.04 graphics crashes with Intel graphics

I just updated a laptop to Ubuntu 16.04, and now I see the following problem. At random moments (but when some graphics activity is going on, such as opening a window), the display garbles and the ...
4
votes
0answers
2k views

Ubuntu 16.04 won't power off: poweroff.target is disabled

Ubuntu 16.04 won't power off. When I go to the icon at the top right of the screen and click shutdown, it does not shutdown. I ran shutdown -h now and this is what I got: tanner@tanner-x151x:~$ ...
4
votes
0answers
215 views

Missing Option to Save Documents and Settings - USB Startup Disk

The 16.04 Startup Disk Creator no longer has the option to disable saving documents and settings in reserved extra space. Note the option visible on the right and missing on the left. From: How to ...
4
votes
0answers
2k views

How to enable hibernation in 16.04

I have lost the to me essential hibernate functionality after upgrading ubuntu. This is normal, but unfortunately I could not reenable it this time. I tried these three previous solutions: setting ...
4
votes
0answers
439 views

Ubuntu 16.04 Failed to created shared shared memory file: Permission denied?

While installing ubuntu 16.04 I am getting: Failed to create sharedmemoryfile /WK2SharedMemory.34567654: Permission denied from the ubuntu installer at the stage of restoring previously installed ...
4
votes
0answers
666 views

Google Chrome crashes/freezes everything in Ubuntu Gnome 16.04 LTS x64

I haven't been able to figure what exactly triggers this but, at certain points when I have Chrome running, my mouse cursor will suddenly start to stutter, then slow, then it won't be able to move at ...
4
votes
0answers
2k views

no wireless connection on Ubuntu 16.04

I just installed Ubuntu Mate 16.04 on a new partition and even though I can connect wired, wireless connection is not working. I works perfectly on Xubuntu 14.04 on another partition, but on the new ...
4
votes
0answers
144 views

GNOME Software shows less programs than Ubuntu Software Center

Yesterday I upgraded Ubuntu GNOME 15.10 to 16.04 and got the GNOME Software which will be replacing Ubuntu Software Center. However, most applications that would show up in the searches I did in USC ...
4
votes
0answers
810 views

Upgraded to 16.04 and now getting error message

After successfully upgraded to 16.04, I am now getting this message whilst booting lvmetad not active yet, using direct access
4
votes
0answers
618 views

After 16.04 upgrade install systemd-sysv failed, how can I check that I fixed it?

I updated to 16.04LTS from 15.10. It has been reported as a bug that the message 'not installed systemd-sysv' appears, which it also did on my machine and the installation aborted with the suggestion ...
4
votes
0answers
95 views

System Settings doesn't closes and continuously changes focus to itself from any other window

I just upgraded to Ubuntu 16.04 from 14.04. I am facing the following issue:- When I run the System settings, my CPU usage goes to 100%, and Settings window always remains in focus. I tried to open ...
4
votes
0answers
133 views

Partially blurred screen

I'm using Ubuntu 12.04 and my screen is sometimes blurred as on the picture. It sometimes disappears after restart and sometimes it appears again. Do you know what is the cause of this problem and ...
4
votes
0answers
4k views

No networking: Failed to bring up eth0

The networking service fails to start / doesn't start on reboot. Restarting networking (via systemctl): networking.serviceJob for networking.service failed because the control process exited with ...
4
votes
0answers
395 views

Unity 8 - Stuck at login screen

i recently installed Ubuntu Xenial in order to install Unity 8 and test how it work with my graphic card (Intel HD 3000). First I updated the system and then installed U8: sudo apt install unity8-lxc ...
4
votes
0answers
3k views

Failed to download repository information 16.04

I seem to get a failed to download repository when trying to update my computer on a fresh install of Ubuntu 16.04 Xenial. And it is not on any repositories I have added it's on the stock repositories....
4
votes
0answers
93 views

Ubuntu touch emulator - no internet connection

I succesfully set up a touch emulator (x86 rc) and also enabled it as a kit to test apps. However it is not connected to the network. By connecting to the emulator with ssh, I can see it's network ...
4
votes
0answers
51 views

Network Trash showing on my desktop

I'm using Ubuntu 14.04 LTS on my company PC. After installing some software to test out I decided to uninstall them. The problem I have is that every time I start my computer my trash bin shows as ...
4
votes
0answers
107 views

How to Create A Startup Script for Keyboard LED

Freshly installed 14.04, CoolerMaster Storm keyboard. I'm not at all concerned with being able to toggle/turn off the LED, I simply want the LED to turn on before login, i.e. while looking at the ...
4
votes
0answers
128 views

Ubuntu 14.04.4 macbookpro11,5 install problem

I'm relatively new to Linux/Ubuntu (i.e. I mightn't understand overly detailed tech terms etc) and have come across the following problem: I tried to install Ubuntu on a new (Jan 2016) MBP 11,5 with ...
4
votes
0answers
82 views

Trying to get dual monitors working 14.04 LTS & Radeon HD 4850

I have Ubuntu 14.04 LTS running on a desktop PC and recently got a second monitor. I cannot seem to make Ubuntu 'detect' that second one. I ended up here: https://help.ubuntu.com/community/...
4
votes
0answers
105 views

Ctrl shortcuts not working in VLC on 15.10

I'm experiencing some keyboard shortcuts not working in VLC after upgrading to 15.10. If I just open VLC with no file loaded, almost all shortcuts involving Ctrl do nothing. Ctrl+O should open the "...
4
votes
0answers
96 views

Ubuntu wifi usually not working on boot, needs kernel module restart

After installing Ubuntu on my netbook, an F205TA, wifi seems to be not working correctly. Usually wifi is not working after boot, but starts working after one or more tries of: sudo modprobe -r ...
4
votes
0answers
327 views

How to uninstall specific versions of Postgres?

On Ubuntu 14.04 I have done this to get the latest postgres: sudo sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt/ $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list' wget -...
4
votes
0answers
243 views

How to start `gnome-keyring-daemon` outside of Unity?

I'm running Ubuntu with i3WM instead of Unity (while Unity is still available as a choice on the login screen). gnome-keyring-daemon works fine with Unity which starts it automatically. I just don't ...
4
votes
0answers
278 views

Playing BluRay discs

Things i Have tried. Playing Blu-Ray and HD DVD Video MakeMKV and DumpHD do not work. Playing Blu-ray using VLC Can linux play blu-rays VLC error. Your input can't be opened: VLC is unable to ...
4
votes
0answers
131 views

Make IBus-Mozc start in Hiragana rather than Direct input mode

Every time I restart my computer and want to type in Japanese, pressing Super+Space is not enough, I also have to select Hiragana in Mozc's menu: Apparently noone is motivated to fix the underlying ...
4
votes
0answers
64 views

How can I set custom ringtone for a single contact?

I want to set different ringtones for the most frequent callers, so I can identify the caller just by hearing, how my phone rings.
4
votes
0answers
275 views

libcgmanager0 is not verified by authors

I am using Kubuntu 14.04 and I use the software center for updates, which usually works fine, but now there was an error message as in the title. I am not really sure what to do about this, so I ...
4
votes
0answers
163 views

Booting from USB Grub 2 Invalid EFI

This is my first time on the forums here, but I recently installed ubuntu 14.04 and would like to re-install it via USB. I have been trying for about two days now to use the grub menu and have looked ...
4
votes
0answers
212 views

Lock the rotation of the Scopes and Welcome screen in portrait mode on tablet

Last update Ubuntu Touch on my Nexus 7 to 16.04 (r3) lock the rotation of the Scopes and Welcome screen in landscape mode. This is extremely inconvenient for me. Is it possible to unlock rotation or ...
4
votes
0answers
278 views

OpenJDK, IcedTea security settings

I am a beginner Linux user. From my knowledge the system uses OpenJDK and IcedTea only when I connect to a SAP IDES server through SAP GUI JAVA adding a string in it to connect to that server. I use ...
4
votes
0answers
118 views

Unable to find OpevCV during linking (compile from source)

I am trying to compile "qgifer-0.2.1-source" from its source in Ubuntu. I have all the dependencies installed. I am compiling as per below instruction from readme of the source. cd qgifer_source_dir ...
4
votes
0answers
297 views

dpkg-deb: error: subprocess paste was killed by signal (Broken pipe) after installing Ubuntu 15.10

After upgrading to Ubuntu 15.10, I used sudo apt-get upgrade But the I get the following: Errors were encountered while processing: /var/cache/apt/archives/texlive-latex-base-doc_2015.20150625-...
4
votes
0answers
1k views

15.10 Dell XPS 15 (9550) External Monitor not waking

I'm in Ubuntu 15.10, with Kernel 4.3. Things are working better than I could ever imagine. Other than ONE bug... When my laptop turns off it's screen and my external monitor's screen (I have it set ...
4
votes
0answers
141 views

Enable Trash usage on external NTFS partition

So I am dual-booting Windows 7 and Ubuntu 14.04 with a separate ntfs partition for my music and general data. I noticed that when deleting something from this shared partition, Ubuntu tells me that ...
4
votes
0answers
257 views

Option to disable Horizontal Scrolling missing in 15.10

After upgrading to Ubuntu 15.10, the option to disable Horizontal scrolling is missing. I looked at the dconf-editor, and the property org-gnome-desktop-perifipherals-touchpad, and it does not have ...
4
votes
0answers
131 views

Not allowed to delete a encfs-encrypted empty folder

I have an encfs-encrypted folder and just cut the content of a subfolder of it and pasted it into another folder outside the encfs-encrypted one. While doing that, I got an error message, saying that ...
4
votes
0answers
863 views

Ubuntu 15.10 Black Screen after suspend

I just did a fresh install for ubuntu 15.10. Everything works fine except when i suspend my desktop or when i am inactive for too long the screen go off/sleep, when I try to wake it up, it shows a ...
4
votes
0answers
285 views

No sound in headphones after upgrade to 15.10

I have problem, that there is absolutely no sound from headphones. When I upgraded to 15.10 the sound worked, but suddenly it stopped after system update. I have ThinkPad T440s laptop. Thanks.
4
votes
0answers
95 views

Wifi in Ubuntu 15.04

Of course, we first have the issue that Dell decided that not mentioning the model number on their laptops was much more user friendly. It says "Inspiron 15, 5000 series" on some kind of sticker on ...
4
votes
0answers
51 views

Wine performance slows when running .exe multiple times

I'm using Wine to run a surface water model (.exe) with Ubuntu 14.04. I have a shell script that runs the model 1000 times, passing different input directories like so: wine PRZM5.exe "/home/ubuntu/...
4
votes
0answers
3k views

Could not set the configuration for crtc 64 (15.04)

Sometimes when I attach an second LCD monitor (iiyama ProLite E2407HDSV) to my Asus N56J laptop and I try to extend my laptop monitor with the LCD I get the error: could not set the configuration for ...
4
votes
0answers
154 views

xkill-ed my desktop

I was doing xkill In a terminal window to close a non responsive program but clicked my Desktop instead of my program now all the icons and everything are gone, and restarting didn't fix it. What ...
4
votes
0answers
1k views

No UMS support - Radeon 3450

I just performed a clean install of 14.04 on my Dell Vostro 420 with Radeon 3450. I get to grub, click to boot with Ubuntu, and then black screen. If I boot in a recovery mode with low graphics mode,...
4
votes
0answers
151 views

How to integrate Qt software like FocusWriter, Telegram, Toggl Desktop or RStudio?

What is required to integrate Qt applications such as FocusWriter, RStudio, Toggl Desktop or Telegram Desktop into the design of Ubuntu? By default, these applications look as follows on Ubuntu 16.04:...
4
votes
0answers
349 views

Ubuntu 15.04 checking an ext4 partition on every boot

I have gone through other posts similar to my question, but i tried all solutions/ or their methods dont apply to my case. there is no /forcefsck file on my system. fstab contents: UUID=...
4
votes
0answers
208 views

Why are the official/stable 4.* kernels marked unstable?

Kernel.org shows 4.1.1 and 4.1.2 as stable. Why then, are they named *-unstable/* here: http://kernel.ubuntu.com/~kernel-ppa/mainline/
4
votes
0answers
64 views

Window Transparency with Java

I'm using a java application that relies heavily on window transparency it to work properly (windows apparently fade on top of each other to make them cross over each other). On Windows it works just ...

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