4
votes
0answers
122 views

Documentation / guides for offline ubuntu phone scopes

I've been working on an Ubuntu phone scope that is NOT connecting to the internet, it is retrieving local results. I am having difficulty, which is mostly due to not having a guide for how to write a ...
4
votes
0answers
2k views

higan says that OpenGL 3.2 is not available, but I should have 3.3

I am running Trusty with gnome in crouton on a Toshiba Chromebook 2. I installed higan, and it reports: "Error: OpenGL 3.2 is not available." I googled this, and apparently the problem may be related ...
4
votes
0answers
5k views

CanoScan Lide 120 on Ubuntu 14.04

Just bought a 'Canoscan Lide 120' scanner that I plan to use on a windows 7 laptop. In Ubuntu 14.04 64-bit it is detected by 'sane-find-scanner' but with 'Simple Scan' I just get: "No scanners ...
4
votes
0answers
128 views

XFCE notifications are covered by fullscreen

I just install Xubuntu 14.10 and my notifications are not visible when i go into fullscreen mode in Chrome or VLC or anything else. I found some threads about this, but they were from 2009! I don't ...
4
votes
0answers
204 views

gedit highlight misspelled words for every document by default

Every time I open documents and for every new documents I have to re-enable the spell-checker in gedit. How can I toggle it to always be on for every document?
4
votes
0answers
723 views

LD_PRELOAD cannot be preloaded with Dota2

When I try to run dota 2 with primusrun it gives me this error, ERROR: ld.so: object '/home/aleks/.local/share/Steam/ubuntu12_32/gameoverlayrenderer.so' from LD_PRELOAD cannot be preloaded (wrong ELF ...
4
votes
0answers
416 views

16 cores are not being utilized out of 80 cores

Recently I discovered that our server does not utilize all 80 threads anymore in the system. It looks like if 16 cores are always idle, despite the high system load. Its a Dell powerEdge R900 server, ...
4
votes
0answers
1k views

Running Steam and Dota2 with primus

I wished to run my steam with bumblebee but faced a problem: when I try to run steam using primusrun, I get segfault. Anything else also doesn't run with primus. Here's an example of running primusrun ...
4
votes
0answers
353 views

Why is `alsactl store` not enough to persist sound levels?

My sound levels in alsamixer, e.g. Mic boost are not saved after restarting. Many people tell to use sudo alsactl store to save those levels, but that has never worked for me in any machine I own. ...
4
votes
0answers
172 views

Mac style application shortcut in KDE (focus existing instance or launch new one)?

In osx you can set a shortcut keybinding for any app (using Better Touch Tool), and when you press that key, if the app is not open, it will be opened, otherwise it will be brought in the front. I am ...
4
votes
0answers
635 views

orphaned inodes on root file system (ext4); persistent problem

On my trusty systems (VMs under vmWare, desktops, and laptops), we have the following issue. The root file system seems to have inodes that are never marked as "free". After a month of a working ...
4
votes
0answers
671 views

Macbook pro volume keys not working

Macbook Pro 5,4 volume hot keys no longer change the volume. Numerous reboots, remapping of the keys in system settings, still not working. mute key works fine but volume up and down are not ...
4
votes
0answers
565 views

Deckset app alternative

Mac OSX have a good app called deckset http://decksetapp.com/. This app make slides from markdown text.... Someone know an alternative for ubuntu?
4
votes
0answers
296 views

Kde uses Gnome notification system instead of knotify

I tried to install kubuntu-active on the Kubuntu Trusty and it failed to start. So, I removed it and many packages has "active" in it name related to KDE Active. KDE runs ok now but one issue: It uses ...
4
votes
0answers
285 views

apt-get install stuck at “Unpacking wine…”

I'm running Ubuntu 14.04 LTS and using an ordinary apt-get install playonlinux command to have it installed. However, it is always getting stuck at (i.e. doesn't do anything further): Preparing to ...
4
votes
0answers
352 views

(QML) Flickable not working as supposed

So, while building an Ubuntu app I needed to use Flickable for scrolling, so now I have code of the form Page{ ... Flickable { anchors.fill: parent content.height: element1.height + ...
4
votes
0answers
265 views

Switch between two 3.5 mm audio jacks

In my desktop computer, I have two audio jacks. One of these is connected to my speakers and one to my headphones. Windows allows me to set the output to use only either one of these jacks (they ...
4
votes
0answers
247 views

how to track a crash when changing from X :1 to X :0?

I need to track on 14.04 a crash that often happens here: I open a new X at :1 (that sometimes goes to ctrl+alt+f8 others to f9). But when I try to go back to X :0 with ctrl+alt+f7, it crashes ...
4
votes
0answers
948 views

Gave Up Waiting For Root Device - Fresh Install 14.04

I am getting the error: Gave up waiting for root device. Common problems: - Boot args (cat /proc/cmdline) - Check rootdelay= (did the system wait long enough?) - Check root= (did the system ...
4
votes
0answers
754 views

How to use a computer as a bluetooth headset?

I have very little bluetooth expertize. All I want to do is to occasionally be able to use my computer's speakers and microphone for phone conversations. I don't want to use a bluetooth headset. All ...
4
votes
0answers
113 views

Apport error reporting privacy issues

As apport is enabled by default since 12.04 I thought it would be important to get some much needed clarifications on certain privacy questions that have been bugging me. How paranoid is apport ...
4
votes
0answers
419 views

Battery status not refreshing

It was working fine, but after upgrading Unity to last version, it is not refreshing anymore. The percentage and charging status remains on what it was on system startup. acpi command in terminal, and ...
4
votes
0answers
127 views

External disk mount again after safe removal

I have an external ntfs disk. When I try to safe remove it, after few seconds it is mounted again without doing nothing... This happens every time and with every remove method I tried: clicking on ...
4
votes
0answers
1k views

Wireless Dropping Out Using Intel 7260AC Card (Deauthenticated - Reason 7)

I have recently bought a new laptop and it has an Intel 7260AC wireless card in it. I am getting regular wireless dropouts occurring at no specific interval. AFAIK this only occurs at my house. ...
4
votes
0answers
2k views

External PCIe USB 3.0 Controller NEC Corporation uPD720200 not recocnized since the upgrade to 14.04

I use an external USB 3.0 PCIe card. It used to work like a charm on 13.10. But ever since the upgrade to 14.04 hot-plug doesn't seem to work any more. It used to work before. Only when this card is ...
4
votes
0answers
304 views

Cursor themes only work for some applications

Trying some X11 cursors from gnome-look.org (Vienna, Protozoa, Leafm, Ecliz... ) in 14.04 Unity. Done update-alternatives and chmod 755. Everything is ok, cursor themes are visible in unity-tweak, ...
4
votes
0answers
3k views

Could not open X display, XDG_Runtime_DIR Error:

Output from terminal from where i tried to run nautilus and read an external drive. Also, i got a terminal window before logging in that system is running under log graphics mode, i will have to login ...
4
votes
0answers
428 views

Stop/Avoid overlapping desktop icons?

I am running Ubuntu 14.04. Icons on Desktop overlaps as follows: I want to avoid this and set icons' possible positions only on finite grid alignment. How to do/solve this?
4
votes
0answers
5k views

How to stream my laptop screen to the TV?

Recently I bought a Samsung Smart TV and with my Android mobile phone (using an app called Wifi Display) I can stream what I see on the mobile to the TV. Is this feature available on Ubuntu? I would ...
4
votes
0answers
3k views

Ubuntu CPU load

I'm new to Linux world and I have a problem with my fresh installation of Ubuntu 14.10 64-bit. My processor is Intel® Pentium(R) D CPU 2.80GHz × 2 with 4 GB of ram and GeForce 8600 GT/PCIe/SSE2. When ...
4
votes
0answers
850 views

Ubuntu and Qt creator keyboard layout change problem

When I run Qt Creator on my Ubuntu 14.04 with English layout, it always types in English and it won't change if I change my layout to other language. In front, when I run Qt Creator with Persian ...
4
votes
0answers
211 views

activate click through mode on conky

Is it possible to use Conky theme as click through on desktop ?. i can use Conky as transparent. but i can't directly access files on desktop because can't click through it. Any idea ?. thanks.
4
votes
0answers
2k views

Reinstalling Grub - shows no volume groups found, how do you fix this?

I have a full backup which I had restored onto a new built system on Ubuntu 12.04 The backup did not include /dev /proc /sys folders. Upon rebooting, the grub show the following errors error: no ...
4
votes
0answers
396 views

Using CUDA with nvidia optimus in Intel mode (14.04)

I'm using a Thinkpad T430 with a NVS 5400M and an integrated Intel HD card. Since it's not possible to use cuda-gdb when the nvidia card is used for video output, I tried to use CUDA while in Intel ...
4
votes
0answers
239 views

Manual UI scaling for non Unity environments

14.04 and Unity now offer UI Scaling. But what if I am not running Unity? In this case I am running Awesome Window Manager. How can I get my applications to scale the way they do when I am running ...
4
votes
0answers
1k views

Broken gnome-keyring file and google-chrome hangs

After few weeks of uptime yesterday I rebooted my laptop. After that, I discovered that there is no password in gnome-keyring. gnome-keyring segfault and didn't work. I restored ...
4
votes
0answers
685 views

LXPanel: Show active window title & close/min-max/restore buttons

IMPORTANT EDIT: I have now found out that these plug-ins are possible, but do not exist. I submitted a request on the LXDE SourceForge page here. They responded, saying they like the idea, but the ...
4
votes
0answers
666 views

Is Bluez (bluetoothd) not sending DBUS method_call SelectConfiguration upon Connection? If so, how do I catch it?

UPDATE : not solved yet, but part of a solution. See below. I am attempting to connect my iPod or other smart device to my laptop (Kubuntu 13.10) via bluetooth and stream a2dp-encoded music to a ...
4
votes
0answers
9k 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 ...
4
votes
0answers
174 views

Compiling and linking of a C program

I am learning about compiler linker and loader and was trying to understand the working of linker and loader on my ubuntu 12.04 machine I wrote 2 simple ".c" files as follows test.c ...
4
votes
0answers
68 views

Forwarding GNU Screen notification to Ubuntu desktop

GNU Screen has utility of monitoring window activity. Is it possible to forward the notification of GNU Screen to Ubuntu desktop environment? For example, when GNU Screen generates a notification, ...
4
votes
0answers
568 views

Displaylink udl in xubuntu 13.10

I'm using Xubuntu Saucy Salamander (13.10). I'm trying to connect DisplayLink wireless monitor with my Linux machine. My configuration is Nvidia GT310M Intel HD Graphics for 1st gen i5 processors ...
4
votes
0answers
422 views

Can not start Oracle database 11g XE on Ubuntu 64bit

I can not start Oracle on Ubuntu 13.10 64bit. After trying to configure: sudo / etc / init.d / oracle-xe configure This error appears: Oracle Database 11g Express Edition is not configured. You ...
4
votes
0answers
1k views

How to Enable Multi-Touch screen on Dell Vostro 5470?

I bought the new Dell Vostro 5470 with touch screen that supports multitouch (to 10 fingers). I installed Ubuntu 13.10 and it worked just touch the screen with one finger. Would enable multitouch but ...
4
votes
0answers
210 views

System starts up slowly with errors including bluetooth timeout

I have tried several solutions posted in the possible duplicate, but It does not work for me for the bluetooth timeout part, and my system have more problems than that. See details at the end of this ...
4
votes
0answers
256 views

How do I change the icon size in the KDE status bar?

On my 13 inch screen with 3200x1800px I adapted all fonts to 230dpi which is ok in most cases. Also in Settings, I could change Icons of the KDE Theme to 64px. Only the Icons in the statusbar at the ...
4
votes
0answers
297 views

Remap keyboard using xmodmap but when press to change keyboard layout all settings are reset to default

I tried to map key following this guide How do I remap certain keys or devices?. It's work for me. but one problem that I found is when I change keyboard layout (Alt+Shift) all keys will be reset to ...
4
votes
0answers
517 views

How can I adjust subtitles in Totem?

How do I adjust subtitles in Totem player so that I can forward or delay it?
4
votes
0answers
6k views

disk is full, but cannot find big files or folders

Ubuntu server shows me that I use allmost all disk: Usage of /: 95.5% of 118.12GB And I try to find big folders and files, run ncdu: ncdu 1.8 ~ Use the arrow keys to navigate, press ? for help ...
4
votes
0answers
3k views

Canon LBP3100B Printer => CAPT driver is installed => when I try to start ccpd, I get this: `Check the DevicePath of /etc/ccpd.conf`

OS: Ubuntu 13.10 64 bit Driver: CAPT v2.60 -> debian package 64 bit Printer: LBP3100B Regarding to this "Answer", I've installed the canon CAPT driver on my machin, but when I try to ...

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