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  • Xfce gets really confused about session saving, etc

    - by Pointy
    I'm getting a new laptop running with 11.04 Ubuntu. I've got the xfce4 packages all installed, which is something I've had no problems with on any of my other machines. On this new laptop, however, though I can log in and use an xfce session without any problems, logging out of a session is problematic: I click the "Log out" widget from the panel and then "Log out" from its option dialog. Then the thing just sits there, not logging out. Subsequent attempts to open the "Log out" widget fail with an error about the session manager being busy. After maybe a minute or so, it logs out. Though I've got the "Save session" option checked in the log out dialog, xfce just makes a complete hash of the business. It does remember the applications that I had running, but it seems to forget about the window manager (!!) and the workspace configuration. I don't log in/out that often, and generally I don't care much about restarting applications, but the window manager being missing is of course pretty annoying. I like xfce because it's simple and unobtrusive and usually works pretty well. I've never experienced this, and I've got two other machines also running 11.04 with pretty much the same setup (straight Ubuntu install with xfce4 packages added). Is there some good way to diagnose stuff like that? edit — well I nuked my session cache, did an explicit save from the session widget, and now it works. Well, it doesn't save the workspace location for each client and instead opens them all up on the first workspace, but I think that may be because, in the session, xfwm4 is the last thing in the "Client" list, so before it's started all the other clients just pile up in the first (and only) workspace. I'm still curious about how exactly it gets so messed up. I certainly wasn't knowingly attempting anything fancy or unorthodox, though I may have done something fishy inadvertently.

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  • How to get bearable 2D and 3D performance on AMD Radeon HD 6950?

    - by l0b0
    I have had an AMD Radeon HD 6950 (i.e., Cayman series) for a couple years now, and I have tried a lot of combinations of drivers and settings with terrible results. I'm completely at a loss as to how to proceed. The open source driver has much better 2D performance, but it offloads all OpenGL rendering to the CPU. What I've tried so far: All the latest stable Ubuntu releases in the period, plus one Linux Mint release. All the latest stable AMD Catalyst Proprietary Display Drivers, and currently 13.1. The unofficial wiki installation instructions for every Ubuntu version and the semi-official Ubuntu instructions. All the tips and tweaks I could find for Minecraft (Optifine, reducing settings to minimum), VLC (postprocessing at minimum, rendering at native video size), Catalyst Control Center (flipped every lever in there) and X11 (some binary toggles I can no longer remember). Results: Typically 13-15 FPS in Minecraft, 30 max (100+ in Windows with the same driver version). Around 10 FPS in Team Fortress 2 using the official Steam client. Choppy video playback, in Flash and with VLC. CPU use goes through the roof when rendering video (150% for 1080p on YouTube in Chromium, 100% for 1080p H264 in VLC). glxgears shows 12.5 FPS when maximized. fgl_glxgears shows 10 FPS when maximized. Hardware details from lshw: Motherboard ASUS P6X58D-E CPU Intel Core i7 CPU 950 @ 3.07GHz (never overclocked; 64 bit) 6 GB RAM Video card product "Cayman PRO [Radeon HD 6950]", vendor "Hynix Semiconductor (Hyundai Electronics)" 2 x 1920x1200 monitors, both connected with HDMI. I feel I must be missing something absolutely fundamental here. Is there no accelerated support for anything on 64-bit architectures? Does a dual monitor completely mess up the driver? $ fglrxinfo display: :0 screen: 0 OpenGL vendor string: Advanced Micro Devices, Inc. OpenGL renderer string: AMD Radeon HD 6900 Series OpenGL version string: 4.2.11995 Compatibility Profile Context $ glxinfo | grep 'direct rendering' direct rendering: Yes I am currently using the open source driver, with the following results: Full frame rate and low CPU load when playing 1080p video. Black screen (but music in the background) in Team Fortress 2. Similar performance in Minecraft as the Catalyst driver. In hindsight obvious, since both end up offloading the rendering to the CPU. My /var/log/Xorg.0.log after upgrading to AMD Catalyst 13.1. Some possibly important lines: (WW) Falling back to old probe method for fglrx (WW) fglrx: No matching Device section for instance (BusID PCI:0@3:0:1) found The generated xorg.conf. The disabled "monitor" 0-DFP9 is actually an A/V receiver, which sometimes confuses the monitor drivers when turned on/off (but not in Windows). All three "monitor" devices are connected with HDMI. Edit: Chris Carter's suggestion to use the xorg-edgers PPA (Catalyst 13.1) resulted in some improvement, but still pretty bad performance overall: Minecraft stabilizes at 13-17 FPS, but at least the CPU load is "only" at 45-60%. Still 150% CPU use for 1080p video rendering on YouTube in Chromium. Massive improvement for 1080p H264 in VLC: 40-50% CPU use and no visible jitter glxgears performance about doubled to 25-30 FPS when maximized. fgl_glxgears still at ~10 FPS when maximized.

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  • Access local email stored on worstation on laptop on lan

    - by crafter
    I have the following scenario with my email : I am using Evolution as my primary email client on my workstation. The evolution mail is downloaded from my mail servers using POP, then deleted from the server. When I am mobile, I access my email on my email server using webmail. My laptop is my primary computer thesedays. The workstation is hardly used. When I am mobile, I am restricted to new email that has not been downloaded onto the workstation I am now looking for a way to access my email from my workstation on my laptop, amlost as if my workstation is my second level email server/ I tried evolution on X display but attachments will browse on my workstation (not ideal as most docs are on my laptop). I am open to changing mail client or installing a service on my workstation. What would be the best way to address this requirement?

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  • ubuntu desktop installation problem, a lot of error messages

    - by veerendar
    Hi I am getting error messages while trying to install ubuntu 12.04 on my desktop(intel pentium D). and the error messages are: *checking battery state... [412.633532] end_request:I/O error .dev sr0, sector 1291684 [435.997503] SQUASHFS error: squashfs_readdata failed to readbloack 0x275fcda4 [435.9975xx] SQUASHFS error: unable to read fragment cache entry page [275fcda4] . . [524.000055] exception Emask 0x0 SAct 0x0SErr 0x0 action 0x6 frozen ata5.00 : cmd a0/00:00:00:08:00/00:00:00/00 tag0 pio 16392 in res 58 /00:02:00:08:00/00/a0 Emask 0xf(timeout) [524.000292] ata5.00 status : {DRDY DRQ} I was able to install on another pc(intel atom) but not on this pc(intel pentium D), Can any one help me in successful installation. Thanks!

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  • How does the Trash Can work, and where can I find official documentation, reference, or specification for it?

    - by MestreLion
    When trying to manage trash can from mounted NTFS volumes, I ended up reading FreeDesktop.org's reference on it. Poking around and doing some tests, I realized Ubuntu/Gnome does not follow the specs 100%. Here's why: For non-/ partitions, it always uses <driveroot>/.Trash-<uid>, It never used <driveroot>/.Trash/<uid>, even when i created it in advance. While this works, it's annoying: if I have 15 users, I end up with 15 /.Trash-xxx folders in my drive, while the other approach would still give a single folder (with 15 sub-folders). That "pollution" in my drives is very unpleasant. And specs say "If an $topdir/.Trash directory is absent, an $topdir/.Trash-$uid directory is to be used". Well, it IS present, so why does it never use it? root trash does not work, at least not out of the box. Open nautilus as root and click on trash; it gives an error. Try to delete any file, it says "it can't move to trash". Ok, I know this can be fixed by creating /root/.local/share. But specs says "A “home trash” directory SHOULD be automatically created for any new user. If this directory is needed for a trashing operation but does not exist, the implementation SHOULD automatically create it, without any warnings or delays.". Why the error then? Bug? Why must I change /etc/fstab entries for mounted volumes, adding options like uid and guid, if the volumes are already mounted as RW for everyone? These are just some examples of deviation from the standard. So, the question is: "If Ubuntu does not adhere 100% to the spec, HOW exactly does the trash work? WHERE can i find a technical reference for Ubuntu's implementation of the trash?" By the way: if Ubuntu does happen to follow specs, please tell me what I am doing wrong, especially regarding the /.Trash-<uid> vs /.Trash/<uid> issue. Thanks! EDIT: Some more info: If a given fs has no support for the sticky bit (VFAT, NTFS), it probably doesn't have for permissions either (at least VFAT surely doesn't). So what prevents one user from purging / restoring other users' ./Trash-xxx ? If one can read/write his own Trash, one can do the same for the whole drive, including other's trashes, correct? Or does Gnome have some kind of "extra" protection on ./Trash-xxx folders on VFAT/NTFS fs? If Linux can "emulate" file permissions on NTFS mounting by editing /fstab uid and gid options, can it also "emulate" the sticky bit? I would really prefer to use /.Trash/xxx format... For the root issue: for the / partition, I can use trash as root, and it goes to /root/.local/shate/Trash. But if I click on Nautilus "Trash" (as root), I get an error. Don't you? So files are correctly trashed, but I can't access it. All I can do is manually "purge" them (by deleting files on /root/.local/shate/Trash), but restoring would be very tricky (opening info files and manually moving, etc.). For non-/ partitions (or at least for VFAT/NTFS), I can not even use trash as root: it does not create a ./Trash-0 folder, it simply says "Cannot trash, want to permanently delete?" Why? About fstab: i use it for a permanent mount for my NTFS partitions. I have several, and if not "pre-mounted" they really clutter the desktop and/or Nautilus. I'd rather have it pre-mounted, integrated in my fs, in mounts like /data , /windows/xp , /windows/vista , and so on, and leave /media and its "mount/unmount" flexibility just for truly removable drives. So, if Ubuntu/Gnome truly follows the spec, is there any way to fix the root issues and to "emulate" the sticky bit for (at least) my fstab'ed NTFS fixed partitions?

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  • Bumblebee : Module bbswitch could not be loaded

    - by StepTNT
    I've upgraded to 12.04 and I had to switch from Ironhide to the latest version of Bumblebee. Now, when I try to run bumblebeed, I get this error: FATAL: Module bbswitch not found. [ERROR]Module bbswitch could not be loaded (timeout?) [WARN]No switching method available. The dedicated card will always be on. I don't really need to use the secondary VGA on Kubuntu, so I would like to find a way to definitely shut the discrete GPU down and avoid wasting battery. I can't disable it from the BIOS because I use it on Windows. My card is an nvidia 540M.

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  • Can't mount cds after failed Brasero burn

    - by Allan
    Brasero failed to burn a disk recently, and now I can't access CD-ROMS. Even CD-Rs are not not showing. Using Ubuntu 11.10 on a Dell D510 Lattitude laptop. allan@allan-Latitude-D510:~$ cdrecord -checkdrive Device was not specified. Trying to find an appropriate drive... Detected CD-R drive: /dev/cdrw Using /dev/cdrom of unknown capabilities Device type : Removable CD-ROM Version : 5 Response Format: 2 Capabilities : Vendor_info : 'TSSTcorp' Identification : 'DVD+-RW TS-L532B' Revision : 'DE04' Device seems to be: Generic mmc2 DVD-R/DVD-RW. Using generic SCSI-3/mmc CD-R/CD-RW driver (mmc_cdr). Driver flags : MMC-3 SWABAUDIO BURNFREE Supported modes: TAO PACKET SAO SAO/R96P SAO/R96R RAW/R96R My CD drive is now useless, and any help on getting it to read/burn would be appreciated.

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  • Wifi installation issues with a Sitecom 300N x2 Wireless Network dongle

    - by SlyrNemesis
    Linux newbie here, anyway so here is the problem, I run Ubuntu 10.10 and I have a Sitecom 300N x2 Wireless Network dongle with chipset 8192SU, I used ndiswrapper to install my Windows Wireless driver because Sitecom doesn't have a linux driver, it says hardware present but it doesn't find any Wireless networks, nor does it connect to one. What can I do? The command "dmesg | grep ndis" gave this output in the terminal: [ 9.999954] ndiswrapper version 1.56 loaded (smp=yes, preempt=no) [ 11.111901] ndiswrapper (import:233): unknown symbol: NDIS.SYS:'NdisAllocateNetBufferAndNetBufferList' [ 11.111973] ndiswrapper (import:233): unknown symbol: NDIS.SYS:'NdisMIndicateReceiveNetBufferLists' [ 11.112099] ndiswrapper (import:233): unknown symbol: NDIS.SYS:'NdisMRegisterMiniportDriver' [ 11.112161] ndiswrapper (import:233): unknown symbol: NDIS.SYS:'NdisAllocateMdl' [ 11.112220] ndiswrapper (import:233): unknown symbol: NDIS.SYS:'NdisMDeregisterMiniportDriver' [ 11.112280] ndiswrapper (import:233): unknown symbol: NDIS.SYS:'NdisFreeNetBufferListPool' [ 11.112339] ndiswrapper (import:233): unknown symbol: NDIS.SYS:'NdisAllocateNetBufferListPool' [ 11.112399] ndiswrapper (import:233): unknown symbol: NDIS.SYS:'NdisFreeMdl' [ 11.112457] ndiswrapper (import:233): unknown symbol: NDIS.SYS:'NdisMAllocatePort' [ 11.112515] ndiswrapper (import:233): unknown symbol: NDIS.SYS:'NdisMNetPnPEvent' [ 11.112573] ndiswrapper (import:233): unknown symbol: NDIS.SYS:'NdisMFreePort' [ 11.112631] ndiswrapper (import:233): unknown symbol: NDIS.SYS:'NdisMSendNetBufferListsComplete' [ 11.112780] ndiswrapper (import:233): unknown symbol: NDIS.SYS:'NdisMSetMiniportAttributes' [ 11.112848] ndiswrapper (import:233): unknown symbol: NDIS.SYS:'NdisOpenConfigurationEx' [ 11.112946] ndiswrapper (import:233): unknown symbol: NDIS.SYS:'NdisMIndicateStatusEx' [ 11.113017] ndiswrapper (import:233): unknown symbol: NDIS.SYS:'NdisMOidRequestComplete' [ 11.113112] ndiswrapper (import:233): unknown symbol: NDIS.SYS:'NdisAllocateMemoryWithTagPriority' [ 11.113200] ndiswrapper (import:233): unknown symbol: NDIS.SYS:'NdisAllocateIoWorkItem' [ 11.113271] ndiswrapper (import:233): unknown symbol: NDIS.SYS:'NdisFreeIoWorkItem' [ 11.113342] ndiswrapper (import:233): unknown symbol: NDIS.SYS:'NdisQueueIoWorkItem' [ 11.113413] ndiswrapper (import:233): unknown symbol: NDIS.SYS:'NdisFreeNetBufferList' [ 11.113481] ndiswrapper (import:233): unknown symbol: WDFLDR.SYS:'WdfVersionBind' [ 11.113547] ndiswrapper (import:233): unknown symbol: WDFLDR.SYS:'WdfVersionBindClass' [ 11.113613] ndiswrapper (import:233): unknown symbol: WDFLDR.SYS:'WdfVersionUnbindClass' [ 11.113680] ndiswrapper (import:233): unknown symbol: WDFLDR.SYS:'WdfVersionUnbind' [ 11.113742] ndiswrapper (load_sys_files:206): couldn't prepare driver 'net8192su' [ 11.148888] ndiswrapper (load_wrap_driver:108): couldn't load driver net8192su; check system log for messages from 'loadndisdriver' [ 11.365200] usbcore: registered new interface driver ndiswrapper [ 12.818573] Modules linked in: snd_wavefront snd_emu10k1(+) snd_cs4236 snd_usb_audio snd_wss_lib snd_opl3_lib snd_ac97_codec ac97_bus nouveau(+) snd_pcm i915 snd_usbmidi_lib snd_util_mem snd_page_alloc snd_hwdep snd_mpu401 snd_mpu401_uart snd_seq_midi snd_rawmidi ttm snd_seq_midi_event drm_kms_helper snd_seq ppdev snd_timer snd_seq_device drm ndiswrapper snd parport_pc emu10k1_gp intel_agp ns558 gameport soundcore i2c_algo_bit shpchp lp video output agpgart parport usbhid hid 8139too 8139cp mii floppy [ 12.819183] Modules linked in: snd_wavefront snd_emu10k1(+) snd_cs4236 snd_usb_audio snd_wss_lib snd_opl3_lib snd_ac97_codec ac97_bus nouveau(+) snd_pcm i915 snd_usbmidi_lib snd_util_mem snd_page_alloc snd_hwdep snd_mpu401 snd_mpu401_uart snd_seq_midi snd_rawmidi ttm snd_seq_midi_event drm_kms_helper snd_seq ppdev snd_timer snd_seq_device drm ndiswrapper snd parport_pc emu10k1_gp intel_agp ns558 gameport soundcore i2c_algo_bit shpchp lp video output agpgart parport usbhid hid 8139too 8139cp mii floppy [ 12.819796] Modules linked in: snd_wavefront snd_emu10k1(+) snd_cs4236 snd_usb_audio snd_wss_lib snd_opl3_lib snd_ac97_codec ac97_bus nouveau(+) snd_pcm i915 snd_usbmidi_lib snd_util_mem snd_page_alloc snd_hwdep snd_mpu401 snd_mpu401_uart snd_seq_midi snd_rawmidi ttm snd_seq_midi_event drm_kms_helper snd_seq ppdev snd_timer snd_seq_device drm ndiswrapper snd parport_pc emu10k1_gp intel_agp ns558 gameport soundcore i2c_algo_bit shpchp lp video output agpgart parport usbhid hid 8139too 8139cp mii floppy [ 12.820505] Modules linked in: snd_wavefront snd_emu10k1(+) snd_cs4236 snd_usb_audio snd_wss_lib snd_opl3_lib snd_ac97_codec ac97_bus nouveau(+) snd_pcm i915 snd_usbmidi_lib snd_util_mem snd_page_alloc snd_hwdep snd_mpu401 snd_mpu401_uart snd_seq_midi snd_rawmidi ttm snd_seq_midi_event drm_kms_helper snd_seq ppdev snd_timer snd_seq_device drm ndiswrapper snd parport_pc emu10k1_gp intel_agp ns558 gameport soundcore i2c_algo_bit shpchp lp video output agpgart parport usbhid hid 8139too 8139cp mii floppy [ 12.821115] Modules linked in: snd_wavefront snd_emu10k1(+) snd_cs4236 snd_usb_audio snd_wss_lib snd_opl3_lib snd_ac97_codec ac97_bus nouveau(+) snd_pcm i915 snd_usbmidi_lib snd_util_mem snd_page_alloc snd_hwdep snd_mpu401 snd_mpu401_uart snd_seq_midi snd_rawmidi ttm snd_seq_midi_event drm_kms_helper snd_seq ppdev snd_timer snd_seq_device drm ndiswrapper snd parport_pc emu10k1_gp intel_agp ns558 gameport soundcore i2c_algo_bit shpchp lp video output agpgart parport usbhid hid 8139too 8139cp mii floppy [ 12.821726] Modules linked in: snd_wavefront snd_emu10k1(+) snd_cs4236 snd_usb_audio snd_wss_lib snd_opl3_lib snd_ac97_codec ac97_bus nouveau(+) snd_pcm i915 snd_usbmidi_lib snd_util_mem snd_page_alloc snd_hwdep snd_mpu401 snd_mpu401_uart snd_seq_midi snd_rawmidi ttm snd_seq_midi_event drm_kms_helper snd_seq ppdev snd_timer snd_seq_device drm ndiswrapper snd parport_pc emu10k1_gp intel_agp ns558 gameport soundcore i2c_algo_bit shpchp lp video output agpgart parport usbhid hid 8139too 8139cp mii floppy [ 12.822339] Modules linked in: snd_wavefront snd_emu10k1(+) snd_cs4236 snd_usb_audio snd_wss_lib snd_opl3_lib snd_ac97_codec ac97_bus nouveau(+) snd_pcm i915 snd_usbmidi_lib snd_util_mem snd_page_alloc snd_hwdep snd_mpu401 snd_mpu401_uart snd_seq_midi snd_rawmidi ttm snd_seq_midi_event drm_kms_helper snd_seq ppdev snd_timer snd_seq_device drm ndiswrapper snd parport_pc emu10k1_gp intel_agp ns558 gameport soundcore i2c_algo_bit shpchp lp video output agpgart parport usbhid hid 8139too 8139cp mii floppy [ 12.822948] Modules linked in: snd_wavefront snd_emu10k1(+) snd_cs4236 snd_usb_audio snd_wss_lib snd_opl3_lib snd_ac97_codec ac97_bus nouveau(+) snd_pcm i915 snd_usbmidi_lib snd_util_mem snd_page_alloc snd_hwdep snd_mpu401 snd_mpu401_uart snd_seq_midi snd_rawmidi ttm snd_seq_midi_event drm_kms_helper snd_seq ppdev snd_timer snd_seq_device drm ndiswrapper snd parport_pc emu10k1_gp intel_agp ns558 gameport soundcore i2c_algo_bit shpchp lp video output agpgart parport usbhid hid 8139too 8139cp mii floppy [ 12.823560] Modules linked in: snd_wavefront snd_emu10k1(+) snd_cs4236 snd_usb_audio snd_wss_lib snd_opl3_lib snd_ac97_codec ac97_bus nouveau(+) snd_pcm i915 snd_usbmidi_lib snd_util_mem snd_page_alloc snd_hwdep snd_mpu401 snd_mpu401_uart snd_seq_midi snd_rawmidi ttm snd_seq_midi_event drm_kms_helper snd_seq ppdev snd_timer snd_seq_device drm ndiswrapper snd parport_pc emu10k1_gp intel_agp ns558 gameport soundcore i2c_algo_bit shpchp lp video output agpgart parport usbhid hid 8139too 8139cp mii floppy [ 12.824204] Modules linked in: snd_wavefront snd_emu10k1(+) snd_cs4236 snd_usb_audio snd_wss_lib snd_opl3_lib snd_ac97_codec ac97_bus nouveau(+) snd_pcm i915 snd_usbmidi_lib snd_util_mem snd_page_alloc snd_hwdep snd_mpu401 snd_mpu401_uart snd_seq_midi snd_rawmidi ttm snd_seq_midi_event drm_kms_helper snd_seq ppdev snd_timer snd_seq_device drm ndiswrapper snd parport_pc emu10k1_gp intel_agp ns558 gameport soundcore i2c_algo_bit shpchp lp video output agpgart parport usbhid hid 8139too 8139cp mii floppy

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  • Ubuntu btrfs: how to remove rootflags=subvol=@ from grub.cfg

    - by mnpria
    When i mount "btrfs" as a root filesytem, the mount info is as below: root@ubuntu1304Btrfs:~# mount /dev/mapper/ubuntu1304Btrfs--vg-root on / type btrfs (rw,subvol=@) Is there a way to have a mount info without the "subvol" information ? I have tried executing what was mentioned here. I also updated the grub.cfg. Still rootflags=subvol=@ is not removed. Is there a way to remove this subvol information ? root@ubuntu1304Btrfs:/home# mount /dev/mapper/ubuntu1304Btrfs--vg-root on / type btrfs (rw,subvol=@) /dev/mapper/ubuntu1304Btrfs--vg-root on /home type btrfs (rw,subvol=@home) root@ubuntu1304Btrfs:/# stat / File: ‘/’ Size: 262 Blocks: 0 IO Block: 4096 directory Device: 12h/18d Inode: 256 Links: 1 Access: (0755/drwxr-xr-x) Uid: ( 0/ root) Gid: ( 0/ root) Access: 2013-11-11 19:56:04.548121873 +0530 Modify: 2013-11-11 19:55:18.008120103 +0530 Change: 2013-11-11 19:55:18.008120103 +0530 Birth: - root@ubuntu1304Btrfs:/# stat /home/ File: ‘/home/’ Size: 230 Blocks: 0 IO Block: 4096 directory Device: 19h/25d Inode: 256 Links: 1 Access: (0755/drwxr-xr-x) Uid: ( 0/ root) Gid: ( 0/ root) Access: 2013-11-12 12:24:52.346377976 +0530 Modify: 2013-11-12 12:24:50.338377900 +0530 Change: 2013-11-12 12:24:50.338377900 +0530 Birth: -

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  • Ubuntu 12.04 - Brightness controls not working

    - by Juan Manuel Zolezzi Volpi
    Controls from "Brightness and Lock" were not working so I've tried a solution that involved changing grub, which I'm detailing below: # If you change this file, run 'update-grub' afterwards to update # /boot/grub/grub.cfg. # For full documentation of the options in this file, see: # info -f grub -n 'Simple configuration' GRUB_DEFAULT=0 #GRUB_HIDDEN_TIMEOUT=0 GRUB_HIDDEN_TIMEOUT_QUIET=true GRUB_TIMEOUT=10 GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` GRUB_CMDLINE_LINUX="quiet splash acpi_backlight=vendor" # Uncomment to enable BadRAM filtering, modify to suit your needs # This works with Linux (no patch required) and with any kernel that obtains # the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...) #GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef" # Uncomment to disable graphical terminal (grub-pc only) #GRUB_TERMINAL=console # The resolution used on graphical terminal # note that you can use only modes which your graphic card supports via VBE # you can see them in real GRUB with the command `vbeinfo' #GRUB_GFXMODE=640x480 # Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux #GRUB_DISABLE_LINUX_UUID=true # Uncomment to disable generation of recovery mode menu entries #GRUB_DISABLE_RECOVERY="true" # Uncomment to get a beep at grub start #GRUB_INIT_TUNE="480 440 1" After doing this, the brightness control dissapeared like you can see at http://screencloud.net/img/screenshots/6b90d56604b70cc749a632d0bc005a20.png Any ideas? Would love to be able to configure Brightness or even use apps like F.lux to regulate it automatically. Edit: I've modified the following line to GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_osi=" and now the brightness controls are back, but whatever I change the brightness remains the same. Just in case I'm using Intel H77

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  • Force gdm login screen to the primary monitor

    - by Kirill
    I have two monitors attached to my video card. Primary monitor has a resolution equal to 1280x1024 and the second has 1920x1200. My gdm login screen always appears on the second monitor even if it is switched off. My question is how to force gdm to show the login screen always on the primary monitor with resolution 1280x1024? I use Nvidia GT9500 videcard in Twinview mode. I can't use Xinerama because vpdau doesn't work correclty in this mode. What I have found is that mouse pointer always appears in the center of union of the screens and center is always on the monitor with higher resolution. Login screen always shows where mouse cursor is. Now my primary monitor has a resolution equal to 1920x1080. The problem still persists, mouse cursor always appears in the right-bottom corner of the second monitor.

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  • How to disable touchpad while using trackpoint on a Thinkpad?

    - by January
    Thinkpads (e.g. X230 that I'm using) have both a trackpoint and a touchpad. The touchpad is disabled when typing. However, when I'm using the trackpoint, I often touch the touchpad as well, and generate mouse clicks I'd like to avoid. Does anyone have an idea how disable mouse-clicks on touchpad when trackpoint is in use? EDIT: also, can someone explain how the option of disabling touchpad when typing works? What is being done behind the scenes? Is it an xinput configuration command, and if yes, which one?

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  • Can I use my computer as an A2DP receiver?

    - by Pierre-Yves Gillier
    First, the problem: I'm using a Cowon MP3 player as my main music player with basic earplugs. It offers A2DP & I'd like to have my netbook (running UNE 10.04) act as receiver. Some resources on the web about a2dp, but most are out of date: http://fosswire.com/post/2008/10/better-bluetooth-audio/ http://jprvita.wordpress.com/2009/12/15/1-2-3-4-a2dp-stream/ http://dpillay.wordpress.com/2010/09/27/ubuntu-10-04-a2dp-awesome-headset-music/

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  • What terminal emulators are available for heavy terminal users?

    - by Noah Goodrich
    I spend a lot of time at the command-line during the workday and at home too since I run Ubuntu exclusively. I've been using the default gnome terminal but I've reached a point where I'd really like to get my terminal tricked out so that my common tasks are as easy as possible. Specifically, I find that I spend of lot of time browsing code in the terminal and working in config files. On my wish list would be: Ability to have multiple screens, tabs, windows (I don't have a preference at this point) that I can easily switch between. Color coding for everything Easy to modify the aesthetics of the terminal (is it vain to want my terminal to look nice?) such as transparency, borders, etc.

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  • What are the risks of installing a "bad quality" package?

    - by ændrük
    When I try to install sonic-visualiser_1.9cc-1_amd64.deb via the Software Center the following warning message is displayed: The package is of bad quality The installation of a package which violates the quality standards isn't allowed. This could cause serious problems on your computer. Please contact the person or organisation who provided this package file and include the details beneath. Lintian check results for /home/ak/Downloads/sonic-visualiser_1.9cc-1_amd64.deb: Use of uninitialized value $ENV{"HOME"} in concatenation (.) or string at /usr/bin/lintian line 108. E: sonic-visualiser: wrong-file-owner-uid-or-gid usr/ 1000/1000 E: sonic-visualiser: wrong-file-owner-uid-or-gid usr/bin/ 1000/1000 E: sonic-visualiser: wrong-file-owner-uid-or-gid usr/bin/sonic-visualiser 1000/1000 E: sonic-visualiser: wrong-file-owner-uid-or-gid usr/share/ 1000/1000 E: sonic-visualiser: wrong-file-owner-uid-or-gid usr/share/applications/ 1000/1000 E: sonic-visualiser: wrong-file-owner-uid-or-gid usr/share/applications/sonic-visualiser.desktop 1000/1000 E: sonic-visualiser: wrong-file-owner-uid-or-gid usr/share/doc/ 1000/1000 E: sonic-visualiser: wrong-file-owner-uid-or-gid usr/share/doc/sonic-visualiser/ 1000/1000 E: sonic-visualiser: wrong-file-owner-uid-or-gid usr/share/doc/sonic-visualiser/CHANGELOG 1000/1000 E: sonic-visualiser: wrong-file-owner-uid-or-gid usr/share/doc/sonic-visualiser/COPYING 1000/1000 E: sonic-visualiser: wrong-file-owner-uid-or-gid usr/share/doc/sonic-visualiser/README 1000/1000 E: sonic-visualiser: wrong-file-owner-uid-or-gid usr/share/mimelnk/ 1000/1000 E: sonic-visualiser: wrong-file-owner-uid-or-gid usr/share/mimelnk/application/ 1000/1000 E: sonic-visualiser: wrong-file-owner-uid-or-gid usr/share/mimelnk/application/x-sonicvisualiser-layer.desktop 1000/1000 E: sonic-visualiser: wrong-file-owner-uid-or-gid usr/share/mimelnk/application/x-sonicvisualiser.desktop 1000/1000 E: sonic-visualiser: wrong-file-owner-uid-or-gid usr/share/pixmaps/ 1000/1000 E: sonic-visualiser: wrong-file-owner-uid-or-gid usr/share/pixmaps/sv-icon-light.svg 1000/1000 E: sonic-visualiser: wrong-file-owner-uid-or-gid usr/share/pixmaps/sv-icon.svg 1000/1000 I understand that this means the package doesn't meet Debian policy and I know how to override the warning and install the package anyway. What are the risks of doing so?

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  • Ubuntu installation on iMac

    - by Shanew
    I have an iMac configured as follows - Screen 27" CPU 3.4 GHz i7 Graphics AMD Radeon HD 6970 1024 MB I downloaded Ubuntu version 11.10 64 bit ISO and burnt that to both DVD and USB stick as per the instructions on Ubuntu's download page. Neither will boot. Symptoms are as follows - DVD: When the iMac is restarted and booted from DVD (labelled Windows which isn't mentioned in Ubuntu's website instructions) one line is displayed against a black screen displaying a message about the developer and date. After 5 minutes the message hangs and the DVD ceases to spin. USB Stick: Strangely I have to select the EFI boot CD icon which appears after holding down the Alt key. A text menu appears offering me to try Ubuntu without installing. I select this and the screen goes blank and stays blank. Any ideas? Lastly, after writing Ubuntu to DVD and USB stick, neither could be read by OSX making the instructions to eject them as per Ubuntu website's instructions useless. This might help? Thanks, Shane.

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  • USB-creator: Error erasing device: Unknown or unsupported erase type

    - by Mike Williamson
    I created a live usb using usb-creator-gtk. I installed Ubuntu with it and all was good with the world. Now I am trying to use the same memory stick and create a live USB for 14.04 and I get the following error when trying to erase the disk. org.freedesktop.DBus.Python.gi._glib.GError: Traceback (most recent call last): File "/usr/lib/python3/dist-packages/dbus/service.py", line 707, in _message_cb retval = candidate_method(self, *args, **keywords) File "/usr/share/usb-creator/usb-creator-helper", line 239, in Format block.call_format_sync('dos', GLib.Variant('a{sv}', {'erase': GLib.Variant('s', '')}), None) gi._glib.GError: GDBus.Error:org.freedesktop.UDisks2.Error.Failed: Error erasing device: Unknown or unsupported erase type `' How can I fix this so I can create a new live USB?

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  • Where to find and install ASUS motherboard drivers for Linux

    - by Dan
    This is my second day ever with Linux, and I had one heck of a time getting the nVidia drivers installed and working. Please, keep in mind I am very new and just starting out. I currently have an ASUS P8Z68-V LE motherboard and I'm not sure if the drivers are installed. Where would I go to find that out? I am using Gnome as my UI. If I don't have the drivers installed, where would I go? The ASUS site only gives me options to download for various Windows OS, DOS and "other" (in .ROM format). Which should I take and how should I install? I'm mostly looking for audio drivers. A lot of music I play, either on YouTube or with VLC has a faint crackling in the background on Ubuntu, which gets much worse the higher I turn the volume up. Could this be something other than the drivers? I doubt it's the hardware since the sound seems fine on Windows. I am currently running 12.04.

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  • Not getting GUI mode on ubuntu 12.04 desktop edition after installation on vmware workstation 7

    - by Salil Naik
    I installed Ubuntu 12.04 desktop edition on my PC using VMWare workstation 7. I assigned 1GB RAM and 20 GB Hard disk to Ubuntu. While starting Ubuntu virtual machine, It is not starting up with GUI mode. In is prompting me my Login ID in textual mode always. After waiting for long time as well the GUI mode is not appearing. I tried running sudo apt-get install updates sudo apt-get install xinit sudo apt-get install ubuntu-desktop Honestly, i don't know the meaning of all these.I am very new to ubuntu.Please help me here what to do? Below is my Laptop configuration OS: Genuine Windows 7 Home Basic(64 bit) RAM: 3 GB Processor: Intel core i3 Regards Salil

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  • Ubuntu 12.04.1 Update Manager and synaptic Package Manager not working

    - by Ashoke
    Recently installed Ubuntu 12.04.1, 64bit on Intel Quad core system. There is a Red Circle with a WHITE 'minus' sign on the upper right hand corner. In the end of a long message displayed below the RED CIRCLE in 'grey' says that INSTALLED PACKAGES HAVE UNMET DEPENDENCIES. None of the following is working. 1. Ubuntu Software Center not opening. UPDATE MANAGER Could not initialize the package information An unresolvable problem occurred while initializing the package information. Please report this bug against the 'update-manager' package and include the following error message: 'E:Encountered a section with no Package: header, E:Problem with MergeList /var/lib/apt/lists/in.archive.ubuntu.com_ubuntu_dists_precise-updates_multiverse_binary-i386_Packages, E:The package lists or status file could not be parsed or opened.' SYNAPTIC PACKAGE MANAGER AN ERROR OCCURED The following details are provided E: Encountered a section with no Package: header E: Problem with MergeList /var/lib/apt/lists/in.archive.ubuntu.com_ubuntu_dists_precise-updates_multiverse_binary-i386_Packages E: The package lists or status file could not be parsed or opened. E: _cache-open() failed, please report. Otherwise, the computer is working fine with broadband WiFi internet. InstallPLEASE HELP.

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  • How to change tooltip background color in Unity?

    - by kayahr
    In a lot of applications the tooltips are just plain ugly (White text on black background, way too much contrast) or even unreadable (black or dark blue text (Hyperlinks) on black background). I want to change the background color of the tooltips to some medium gray or even some yellow or something like that, maybe even something semi-transparent. Here is a screenshot of Eclipse which displays some source code in a tool tip with black text on black background: Switching to a different theme (Something other than Ambiance or Radiance) helps but I like Ambiance and I want to keep it. It's just this darn tooltip color which is absolutely unacceptable. I found several solutions for older Ubuntu versions but they no longer work with Unity in Ubuntu 11.10 because I can't find any function to customize the Ambiance or Radiance theme. So how do I do that in the current Ubuntu version?

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  • Failed update of Ubuntu 10.10 results in unbootable system

    - by chessweb
    Hi, yesterday I performed an automatic security update suggested by the update manager on my virtualized (with VirtualBox on a Windows 7 host) Ubuntu 10.10 installation. The update somehow failed and left me with an unbootable system. When I try to boot, I am told that various folders, files, and what not are missing. Then the system drops into a busybox and leaves me with an (initramfs) prompt. This happens with all kernels I get offered by GRUB, although the error messages are quite different from kernel to kernel. Well, the short of it is this: I don't have the slightest idea on how to get back to a working system and this site is the final straw I'm willing to grab. A complete disaster like this following an update initiated and executed by the system is unheard of in Windows-land; at least I haven't heard of it, yet, and therefore I am going to abandon Ubuntu and Linux altogeteher, if there is no remedy. Regards, RSel

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  • Focus follows mouse stops working when opening window from launcher and no click to focus

    - by user97600
    This is 12.04 default desktop (unity). I set it to focus follows mouse, and changed the menus to be on the window. This worked for a while, then some unknown even, maybe an upgrade maybe some other setting change caused it to stop working. There are many ways for this behavior to start but one reliable one is to bring a window to the foreground/focus with the launcher. Now the focus is stuck on that window and not just the window but the regions within the window so the close, maximize, minimize and menus do not work. I have to use mouse middle and then mouse right and then focus follows mouse is restored for a bit. The exact details of the mouse action aren't clear, sometimes it seems like just mouse middle helps, sometimes just right some times a desperate sequence of clicks :-( I have tried switching to the gnome desktop and it seems to occur less there but it is not eliminated. I have tried switching mice to an old wired USB mouse. I have tried creating a new account and that has not worked. I have observed "split focus" where to scroll button scrolls one one window but the input goes to another. I go trapped recently where my keyboard input went to libre office calc, but I was selecting the search term in the chrome address window. The selection "grayed" but the keyboard input for the search went to libre. Regions in windows have very confused focus. I have to work hard to get focus on for example the close gliph (X) or the minimize gliph (_).

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  • How to write Bash scribt to open two different terminals

    - by Ahmed Zain El Dein
    How to write Bash script to open two different taped terminal ,and write in both of them commands separately to be executed unrelationally for instance : Terminal number one open skype terminal number two open in the end , i want one more thing , can i write in the bash script my skype username and password to put them in skype when open it in terminal one automatically then login too Thanks

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  • English as a system language but Russian regional settings

    - by mbaitoff
    I usually choose English as an installation language since I believe that the original is better than the translation. However, the environment I'm working in is mostly Russian, so I have to deal with locale specificity. Even worse is the fact that selecting English yields to royal measurement system, that is, feet, inches, and damned letter paper size. Whatever I do, I didn't manage to get rid of letter paper size - eventually here and there I stumble upon letter as a hidden default, and that spoils my prints. How can I select and use English as my language, but use metric system everywhere and a4 paper size everywhere, and Russian regional settings (date, time, decimal etc).

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