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• Option Button in Keyboard Layout > Input Sources is not pressable

  - by user98647

  I would like to set the Caps-lock key as a Compose key, which you do, as far as I remember, by pressing the Options Button in Keyboard Layout Input Sources and then enabling the appropriate option there. That Button is not pressable though since I switched to 12.10. It did work in previous releases of Ubuntu. gnome-control-center puts out these errors, when I click on Keyboard Layout: (gnome-control-center:3645): common-cc-panel-WARNING **: Could not find current language '?\u0003C!\u007f' in the treeview (gnome-control-center:3645): common-cc-panel-WARNING **: locale '"en_US.UTF-8"' isn't valid I'm not sure if the errors are related though, maybe they are related to the "interface switching to chinese bug" which seems surprisingly widespread: Language changed to Chinese, how do I change it back? Language Support has an unwanted Chinese language option Nautilus Folders Turned Chinese Desktop 12.04 gnome/cairo suddenly in Chinese Unwanted Chinese language got set in system settings I cannot set my system back to English from Chinese Language Gnome-classic language turned into Chinese, how do I change it back to English? Strange display language in gnome shell I'm not sure they are related to this bug, but I just wanted to mention it, maybe it helps!

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• Random touchpad and keyboard freezes on new 10.10 installation

  - by ancaleth

  My touchpad and keyboard freeze up on my newly installed Ubuntu 10.10. I was using Ubuntu 10.4 via wubi before on this Laptop where this problem never occurred. (I did not migrate wubi or upgrade to 10.10, it's a fresh start. 64-bit on Dell Studio, plenty of RAM, plenty of free space on partition etc.) I can't say there is a pattern yet, once it happened during the download of packages with the Update Manager, once it was just using Firefox, no other program running. I was forced to shut down manually. In between these crashes the laptop was booted once, updates were installed etc., firefox was used and there weren't any problems. Both crashes should be in the attached kern.log and I noticed there were some error problems before the last crash (at the end, obviously). It seems the wireless was experiencing problems. This wasn't noticed on the user end, since the touchpad + keyboard were already frozen. kern.log: http://paste.ubuntu.com/552617/ How can the freezes be fixed?

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• How do I turn off the onscreen keyboard on the lock screen?

  - by Patrick Marchwiak

  The lock screen has an on screen keyboard that I am unable to disable. I don't remember exactly but I believe I turned it on using the "Screen Keyboard" setting in the Universal Access settings. I've tried a number of things all with no effect: Toggling "Screen Keyboard" in Universal Access Toggling "Onscreen keyboard" in the login screen (LightDM) Clicking on the "x" in the upper right corner of the keyboard

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• Resources for Virtual Machine programming

  - by good_computer

  I am a beginner (a little more than that) programmer of C. I am really interested in the field of Virtual Machines. When I read about the Python VM, the PyPy project, the advancements in JVM technology, Google V8, the Erlang VM, I really get excited about these amazing pieces of technology, and really want to get my hands dirty building them or contributing to one of these projects. I need to know.. what are the things (language, concepts, algorithms, math, etc?) I need to know/learn to be able to build a virtual machine any books or other resources that will be helpful career prospects for a virtual machine engineer (but this is least important for me for now) (one more side question: somewhere I'd read something like JVM is on the cutting edge of virtual machine technology -- that it is the most advanced VM so far -- is that true?) Please give me a LONG answer detailing all that you know.

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• numeric keypad functions on compact or tenkeyless keyboard

  - by RedGrittyBrick

  I am purchasing a keyboard without a numeric pad (a Cooler Master Storm Rapid but my question probably applies to any keyboard without a numeric pad) I very occasionally use the numeric pad on my current keyboard, in conjunction with the Alt key, to enter special characters. If the keyboard does not make any special provision for this (no obvious keypad overlay on main section of keyboard, nothing on this subject in user-guide) - is there any way to retain this Alt+nnn capability under Windows-7?

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• Where are gnome keyboard shortcuts stored

  - by Evan Plaice

  I usually load a new version for every release to keep my OS fresh while preserving the last version on another partition as backup. I also employ a lot of custom key mappings (IMHO, the defaults suck). I've figured out how to transfer the majority of my configuration across systems so far but I can't figure out where the custom keyboard shortcut mappings are stored. Does anybody know where gnome puts these? Are there separate user config (Ie. ~/) and system config (Ie. /etc) files?

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• problem with wireless usb keyboard

  - by Sasha

  I have a problem with wireless keyboard. Problem is: On log, kern.log, messages and syslog is only this line. Every second is 50 lines with such message. Oct 1 08:14:12 wwserver kernel: [ 1447.978908] usb 7-1.3: input irq status -75 received Because these messages is disk full. For this I have to delete log files. Please for help. kern.log file: Oct 1 08:13:53 wwserver kernel: [ 1428.820057] usb 7-1: new full speed USB device using uhci_hcd and address 3 Oct 1 08:13:53 wwserver kernel: [ 1428.977383] usb 7-1: configuration #1 chosen from 1 choice Oct 1 08:13:53 wwserver kernel: [ 1428.980919] hub 7-1:1.0: USB hub found Oct 1 08:13:53 wwserver kernel: [ 1428.982288] hub 7-1:1.0: 4 ports detected Oct 1 08:13:53 wwserver kernel: [ 1429.261317] usb 7-1.3: new full speed USB device using uhci_hcd and address 4 Oct 1 08:13:58 wwserver kernel: [ 1434.408160] usb 7-1.3: configuration #1 chosen from 1 choice Oct 1 08:13:59 wwserver kernel: [ 1434.421484] input: Logitech USB Receiver as /devices/pci0000:00/0000:00:1d.2/usb7/7-1/7-1.3/7-1.3:1.0/input/input5 Oct 1 08:13:59 wwserver kernel: [ 1434.421585] generic-usb 0003:046D:C52B.0002: input,hidraw1: USB HID v1.11 Keyboard [Logitech USB Receiver] on usb-0000:00:1d.2-1.3/input0 Oct 1 08:13:59 wwserver kernel: [ 1434.433751] input: Logitech USB Receiver as /devices/pci0000:00/0000:00:1d.2/usb7/7-1/7-1.3/7-1.3:1.1/input/input6 Oct 1 08:13:59 wwserver kernel: [ 1434.433933] generic-usb 0003:046D:C52B.0003: input,hiddev96,hidraw2: USB HID v1.11 Mouse [Logitech USB Receiver] on usb-0000:00:1d.2-1.3/input1 Oct 1 08:13:59 wwserver kernel: [ 1434.450210] generic-usb 0003:046D:C52B.0004: hiddev97,hidraw3: USB HID v1.11 Device [Logitech USB Receiver] on usb-0000:00:1d.2-1.3/input2 Oct 1 08:13:59 wwserver kernel: [ 1434.455416] input: Logitech USB Receiver as /devices/pci0000:00/0000:00:1d.2/usb7/7-1/7-1.3/7-1.3:1.3/input/input7 Oct 1 08:13:59 wwserver kernel: [ 1434.455545] generic-usb 0003:046D:C52B.0005: input,hidraw4: USB HID v1.10 Mouse [Logitech USB Receiver] on usb-0000:00:1d.2-1.3/input3 Oct 1 08:14:12 wwserver kernel: [ 1447.964916] usb 7-1.3: input irq status -75 received Oct 1 08:14:12 wwserver kernel: [ 1447.966907] usb 7-1.3: input irq status -75 received Oct 1 08:14:12 wwserver kernel: [ 1447.968906] usb 7-1.3: input irq status -75 received Oct 1 08:14:12 wwserver kernel: [ 1447.970908] usb 7-1.3: input irq status -75 received Oct 1 08:14:12 wwserver kernel: [ 1447.972907] usb 7-1.3: input irq status -75 received Oct 1 08:14:12 wwserver kernel: [ 1447.974907] usb 7-1.3: input irq status -75 received Oct 1 08:14:12 wwserver kernel: [ 1447.976908] usb 7-1.3: input irq status -75 received Oct 1 08:14:12 wwserver kernel: [ 1447.978908] usb 7-1.3: input irq status -75 received

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• Flexible Keyboard starts too late

  - by user289237

  So I just managed to revive an old Windows XP machine that I am getting ready to format into Ubuntu 14.04. However the USB keyboard I have plugged in, powers down with the machine (obviously) but doesn't power up until the Windows loading screen (After my only chance to select boot device, for which I have a USB) It is really frustrating as this renders the f12 key useless and me stuck with a decade + 2 old machine. Thanks for any help :D

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• wierd keyboard problem

  - by Sebastian

  just installed ubuntu on a acer extensa 5620 laptop. The keyboard works fine except when i want to type things that require me to use ctrl+alt+(any key), i can't use ctrl+alt+(any key) in any program, I can open terminal with ctrl+alt+t tho... and ctrl+(any key) and alt+(any key) seems to work. Also I just installed the game Heroes of Newerth and neither alt or ctrl key seems to work in the game. Any answer would be appreciated!

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• What's better a better VM app: VMWare, Parallels or Virtual PC

  - by LantisGaius

  From a Windows developer's perspective, which VM application is the best? Why?

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• Cloudstack virtual machines can't communicate with virtual routers when they are on different hosts

  - by Jorge Suárez de Lis

  I'm using Cloudstack 2.2.14 on a Ubuntu 10.04 set of hosts, and I have a problem on my setup. I have two hosts running. When a virtual router is created on host 1 and a virtual machine using that virtual router is created on host 2, or vice versa, I have no connectivity at all on the virtual machine. First of all, I have to setup the network manually on that virtual machine -usually DHCP is working, but not here-. Then, I can't ping to the virtual router from the virtual machine or vice versa. When both virtual router and virtual machine are created on the same host, everything works! Maybe those packages are being filtered somehow? I have no clue on how to proceed. Both hosts can communicate directly outside the virtualization.

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• C++ vtable resolving with virtual inheritance

  - by Tomas Cokis

  I was curious about C++ and virtual inheritance - in particular, the way that vtable conflicts are resolved between bass and child classes. I won't pretend to understand the specifics on how they work, but what I've gleamed so far is that their is a small delay caused by using virtual functions due to that resolution. My question then is if the base class is blank - ie, its virtual functions are defined as: virtual void doStuff() = 0; Does this mean that the resolution is not necessary, because there's only one set of functions to pick from? Forgive me if this is an stupid question - as I said, I don't understand how vtables work so I don't really know any better.

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• How to close/hide the Android Soft Keyboard?

  - by PHP_Jedi

  Im having an EditText and a Button in my layout. After writing inside the edit field and click on the Button, i want to hide the virtual keyboard. I guess there should be a simple, one or two liner to make this happen, but cant find any example of it. Anyone with a suggestion?

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• Rhythmbox goes crazy if I change keyboard layout

  - by krokoziabla

  Not so trivial to explain but I'll try. Launch Rhythmbox Insert a CD in the CD-ROM The CD is not automatically identified (it's of a not very famous Russian band) I'm manually setting track names and... Magic, black magic! If I change the keyboard layout (RU <- EN) during editing then Rhythmbox kicks me out of the editing. So if a track name contains both Russian and English words I'm compelled to write one part, press Enter (so that the changes are not lost), change layout, click on the track name, write another part in the opposite layout. In some tricky names I have to do this several times. By the way, I use Alt+Shift to change layout. Any ideas?

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• Ubuntu 13.10 japanese keyboard layout intercepts Caps Lock

  - by Envek

  I've installed Ubuntu 13.10 (clean install on new machine), there are lot of changes for configuring keyboard layouts and I've tried to configure it as I've used earlier: Englis (US), Russian and Japanese (Anthy) with switching between them with Caps Lock key. (See screenshot) Caps Lock switching works fine between Russian and English and vice-versa, but with Japanese I can switch only TO Japanese (not FROM), in Japanese layout Caps Lock starting to work as usual Caps Lock (as a switch between small and BIG letters), so I need to use mouse to switch back to Ru or En layout. This happens ONLY with Japanese layouts (I've tried also simply "Japanese" and "Japanese (Kana)"), not with Chinese, Korean or anything else. I'm not sure who is blame for that, is it ibus-anthy or anything. Please help, I want to use Caps Lock to switch between all layouts. Also, I've created a bug in the LaunchPad: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1247363

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• Keyboard "type ahead" in CRUD web apps?

  - by user61852

  In some data entry contexts, I've seen data typists, type really fast and know so well the app they use, and have a mechanic quality in their work so that they can "type ahead", ie continue typing and "tab-bing" and "enter-ing" faster than the display updates, so that in many occasions they are typing in the data for the next form before it draws itself. Then when this next entry form appears, their keystrokes fill the text boxes and they continue typing, selecting etc. In contexts like this, this speed is desirable, since this persons are really productive. I think this "type ahead of time" is only possible in desktop apps, but I may be wrong. My question is whether this way of handling the keyboard buffer (which in desktop apps require no extra programming) is achievable in web apps, or is this impossible because of the way web apps work, handle sessions, etc (network latency and the overhead of generating new web pages ) ?

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• 42+ Text-Editing Keyboard Shortcuts That Work Almost Everywhere

  - by Chris Hoffman

  Whether you’re typing an email in your browser or writing in a word processor, there are convenient keyboard shortcuts usable in almost every application. You can copy, select, or delete entire words or paragraphs with just a few key presses. Some applications may not support a few of these shortcuts, but most applications support the majority of them. Many are built into the standard text-editing fields on Windows and other operating systems. Image Credit: Kenny Louie on Flickr HTG Explains: Why You Only Have to Wipe a Disk Once to Erase It HTG Explains: Learn How Websites Are Tracking You Online Here’s How to Download Windows 8 Release Preview Right Now

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• Custom Russian Phonetic Keyboard

  - by roman

  I tried to custom Russian phonetic keyboard through Terminal. To do this I wrote: cd /usr/share/X11/xkb/symbols/ then: sudo gedit ru The document " ru (/usr/share/X11/xkb/symbols) - gedit " appeared on the desktop. I changed all the keys that suited me, saved the file and restarted the computer. However, the changes didn't work out. I checked the document again. The changes are there, but the keys still code for the old layout. I think I am missing some important point. Please help. By the way I get in Terminal this message: ** (gedit:14887): WARNING **: Could not load Gedit repository: Typelib file for namespace 'GtkSource', version '3.0' not found (gedit:14887): IBUS-WARNING **: The owner of /home/roma/.config/ibus/bus is not root! What does this mean?

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• Mouse and keyboard stop working after suspend or screensaver lock

  - by LEo

  If I leave the computer and let it run into screensaver and lock the screen, the mouse left click won't go back to work. If I suspend the computer, the keyboard won't get back to work. It started after upgrading to Ubuntu 11.04. Any tips to solve this problem? The follwing lines I got on dmesg after the problem happened [30536.564415] psmouse.c: TouchPad at isa0060/serio1/input0 lost sync at byte 1 [30536.565725] psmouse.c: TouchPad at isa0060/serio1/input0 lost sync at byte 1 [30536.568466] psmouse.c: TouchPad at isa0060/serio1/input0 lost sync at byte 1 [30536.569790] psmouse.c: TouchPad at isa0060/serio1/input0 lost sync at byte 1 [30536.571123] psmouse.c: TouchPad at isa0060/serio1/input0 lost sync at byte 1 [30536.571126] psmouse.c: issuing reconnect request and that after I tried to plug again my USB mouse: [31570.040088] usb 6-1: USB disconnect, address 2 [31573.490095] usb 6-1: new low speed USB device using uhci_hcd and address 3 [31573.687376] input: Microsoft Basic Optical Mouse as /devices/pci0000:00/0000:00:1d.1/usb6/6-1/6-1:1.0/input/input12 [31573.687544] generic-usb 0003:045E:0084.0002: input,hidraw0: USB HID v1.10 Mouse [Microsoft Basic Optical Mouse] on usb-0000:00:1d.1-1/input0

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• xmonad keyboard doesn't work

  - by Mikkel Paulson

  I'm experimenting with xmonad, which I installed from the Ubuntu Software Centre on Ubuntu 12.10. It looks cool, but when I invoke it (using xmonad --replace from the command line) my title bars disappear and my keyboard stops working. At all. The terminal stops working, the keystrokes I've seen in online "getting started" guides are ignored, and the only way for me to actually power the system off is to hit the reset button or ssh in from my phone. Ironically, my mouse still works. One guide I saw suggested replacing the default window environment with xmonad, but I'm afraid of rendering my system completely inoperable if I do that. Any suggestions?

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• Special keyboard keys?

  - by Hailwood

  I have a new laptop, It has the icon for toggling the touchpad on fn+f1 so I would like to assign this shortcut, I have a working script, and I can assign the script to any other combination, but it appears that ubuntu does not pick up the fn+f1 combination? how can I correct this? The other one is, My laptop has three extra buttons, Assist, Web, and Vaio. These map to Help, Homepage, and nothing respectively. the Web button is working perfectly. The assist button if I am setting up a keyboard shortcut for something it binds fine, but then pressing it does nothing? The Vaio button seems to not be listened to much like the combination I posted above. How can i correct the assist and Vaio buttons?

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• Problems about responsiveness and keyboard/mousepad not working

  - by ChrisTheNoob

  So I installed Ubuntu 12.04, I'm very new at this and want to get into the world of Linux but have run into nothing but problems. I have an Acer Aspire 5553g. First off, my keyboard won't work. Second, my computer has more than enough of everything to run Ubuntu smoothly, but everything runs extremely slow. (You move the mouse and it gets there a few seconds later) It's to the point where I can't even use it and I really want to. I'm tired of Microsoft stuff and I've been looking at learning how to use Linux based operating systems for a while. Please send me some help to fix these issues and maybe some tips to help get me started. Thanks in advance chris

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• Flickering/Flashing screen problem related to keyboard

  - by LeandroCR

  This will seems quite bizarre but that's a huge problem for me, I'm facing it for a long time since Ubuntu 12.04. My Ubuntu/Linux Mint/Debian (Unity/Gnome) always starts flickering after using the computer for a while, I always thought this had something to do with the video board. I have an Vostro 3550 (Radeon 6xxx/Intel Onboard). First I realized that when I was navigating trough an website, when i selected with the mouse a combo, the combo closed it self automatically then the screen starts flickering. The i realized when i was trying to make the login in the terminal (crtl + alt + f1) a strange character appears, like: ^@ repeatedly. When i keep CRTL pressed the system never flickers! I have absolutely no problem using Windows. What can i do? There is no such thing as Keyboard driver on Dell Support. I would love to use Ubuntu only, but this is very annoying. Problem happens on Ubuntu 12.04, .10 and 13.04 Linux Mint 15 (Cinnamon) Debian Live with Gnome

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• UbuntuGNOME 13.10 - Problem: Keyboard layout: Control L and Caps Lock swapped

  - by linuxubuntu

  I have a problem in UbuntuGNOME 13.10 which I didn't had in prior releases: I did a clean install and I don't know if it was already there or if I may have changed something, but my "Control L" and "Caps Lock" keys are swapped. How to swap them back? See also the attached image. http://i.imgur.com/PR1YB4T.jpg I swapped them back using but this is obviously not a proper fix $ cd ~ $ xmodmap -pke > .Xmodmap $ echo "remove Lock = Caps_Lock remove Control = Control_L keysym Control_L = Caps_Lock keysym Caps_Lock = Control_L add Lock = Caps_Lock add Control = Control_L" >> .Xmodmap $ xmodmap .Xmodmap but the "Keyboard Layout Chart" program shows the keys still swapped. What's the reason for this? How to fix?

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• USB keyboard hit and miss as to whether it will work on boot-up

  - by user208745

  I am new to Ubuntu. Have installed 12.04 on a slave drive while I migrate. Usually booting into Ubuntu goes without a hitch but recently I often find I am unable to use the keyboard, and log-in using the on-screen KB. Sometimes if I remove the USB jack & re-connect it will start working again but not always. I do have an old PS/2 KB which I am using at the moment but.......has anyone any ideas on how to get the USB KB reliably connected? Thanks Dave

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