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• How to get SRGP working?

  - by Bo Tian

  I'm running 64-bit Ubuntu 10.10, and I'm trying to make SRGP work. SRGP is an old graphics package that accompanies the book "Computer Graphics" by Foley, van Dam, et al. I have installed libx11-dev, but I still can't get through make. I get the error "cannot find -lsrgp" when I typed make PROG=show_pattern. Full compilation messages are here http://pastebin.com/CWuw4xte What do I have to do to get it working?

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• full screen flash problems

  - by richzilla

  when i play flash videos from sites such as youtube, the videos initially play ok. However when the videos are full screened, a number of problems arise. Usually when the full screen button is first clicked, the video will take up the full screen, but will be frozen (however the video audio can still be heard). It can take several attempts to get the video to play in full screen. The video is also frozen if something triggers osd-notify (changing the volume, getting a new email etc.). Any ideas what might be going wrong?

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• Do I have to worry about "error: superfluous RAID member"?

  - by 0xC0000022L

  When running update-grub on the newly installed Ubuntu 12.04 with an older software RAID (md), I get: error: superfluous RAID member (5 found). error: superfluous RAID member (5 found). Generating grub.cfg ... error: superfluous RAID member (5 found). error: superfluous RAID member (5 found). error: superfluous RAID member (5 found). error: superfluous RAID member (5 found). error: superfluous RAID member (5 found). error: superfluous RAID member (5 found). error: superfluous RAID member (5 found). error: superfluous RAID member (5 found). error: superfluous RAID member (5 found). error: superfluous RAID member (5 found). error: superfluous RAID member (5 found). Found linux image: /boot/vmlinuz-3.2.0-24-generic Found initrd image: /boot/initrd.img-3.2.0-24-generic error: superfluous RAID member (5 found). error: superfluous RAID member (5 found). error: superfluous RAID member (5 found). error: superfluous RAID member (5 found). Found linux image: /boot/vmlinuz-3.2.0-23-generic Found initrd image: /boot/initrd.img-3.2.0-23-generic error: superfluous RAID member (5 found). error: superfluous RAID member (5 found). error: superfluous RAID member (5 found). error: superfluous RAID member (5 found). error: superfluous RAID member (5 found). Found memtest86+ image: /boot/memtest86+.bin error: superfluous RAID member (5 found). error: superfluous RAID member (5 found). error: superfluous RAID member (5 found). error: superfluous RAID member (5 found). error: superfluous RAID member (5 found). Found Debian GNU/Linux (5.0.9) on /dev/sdb1 Found Debian GNU/Linux (5.0.9) on /dev/sdc1 done I would be less worried if the message would say warning: ..., but since it says error: ... I'm wondering what the problem is. # cat /proc/mdstat Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] md2 : active raid1 sdc1[1] sdb1[0] 48829440 blocks [2/2] [UU] md3 : active raid1 sdc2[1] sdb2[0] 263739008 blocks [2/2] [UU] md1 : active raid5 sdg1[3] sdf1[2] sde1[1] sdh1[0] sdi1[4] sdd1[5](S) 1250274304 blocks level 5, 64k chunk, algorithm 2 [5/5] [UUUUU] unused devices: <none> Do I have to worry or is this harmless? btw: disregard the mentioning of Debian 5.0.9, that was the previously installed system and is going to be overwritten. It's on /dev/md2 actually.

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• Upgrading from raring to saucy broke many of my fonts in certain applications

  - by valadil

  I upgraded from raring to saucy over the weekend. Two of my applications, dzen2 and xmobar, won't display the fonts they used to. I'd mostly been using fixed and 6x12. xmobar doesn't run with these fonts. dzen2 shows some generic font I can't identify. I can change the size but not the font. The only exception is terminus. I looped over xlsfonts and piped them into a dzen2 to see what still worked. Variants of terminus were fine. Everything else used the same generic looking font face. No idea why. I haven't found any other applications with font issues since the update, but I haven't tried too hard to look either.

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• Can't remove the libpcap0.8 package

  - by Yogesh

  I am getting error when running apt-get remove root@System:~/Downloads# sudo apt-get remove The following packages have unmet dependencies: libpcap0.8 : Breaks: libpcap0.8:i386 (!= 1.4.0-2) but 1.5.3-2 is installed libpcap0.8:i386 : Breaks: libpcap0.8 (!= 1.5.3-2) but 1.4.0-2 is installed libpcap0.8-dev : Depends: libpcap0.8 (= 1.5.3-2) but 1.4.0-2 is installed E: Unmet dependencies. Try using -f. and when I ran apt-get remove -f this is what happens: root@System:~/Downloads# sudo apt-get remove -f The following extra packages will be installed: libpcap0.8 The following packages will be upgraded: libpcap0.8 1 upgraded, 0 newly installed, 0 to remove and 365 not upgraded. 2 not fully installed or removed. Need to get 0 B/110 kB of archives. After this operation, 13.3 kB of additional disk space will be used. Do you want to continue? [Y/n] y (Reading database ... 163539 files and directories currently installed.) Preparing to unpack .../libpcap0.8_1.5.3-2_amd64.deb ... Unpacking libpcap0.8:amd64 (1.5.3-2) over (1.4.0-2) ... dpkg: error processing archive /var/cache/apt/archives/libpcap0.8_1.5.3-2_amd64.deb (--unpack): trying to overwrite shared '/usr/share/man/man7/pcap-filter.7.gz', which is different from other instances of package libpcap0.8:amd64 dpkg-deb: error: subprocess paste was killed by signal (Broken pipe) Processing triggers for man-db (2.6.7.1-1) ... Errors were encountered while processing: /var/cache/apt/archives/libpcap0.8_1.5.3-2_amd64.deb E: Sub-process /usr/bin/dpkg returned an error code (1) root@System:~/Downloads# clear root@System:~/Downloads# sudo apt-get remove -f Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The following extra packages will be installed: libpcap0.8 The following packages will be upgraded: libpcap0.8 1 upgraded, 0 newly installed, 0 to remove and 365 not upgraded. 2 not fully installed or removed. Need to get 0 B/110 kB of archives. After this operation, 13.3 kB of additional disk space will be used. Do you want to continue? [Y/n] y (Reading database ... 163539 files and directories currently installed.) Preparing to unpack .../libpcap0.8_1.5.3-2_amd64.deb ... Unpacking libpcap0.8:amd64 (1.5.3-2) over (1.4.0-2) ... dpkg: error processing archive /var/cache/apt/archives/libpcap0.8_1.5.3-2_amd64.deb (--unpack): trying to overwrite shared '/usr/share/man/man7/pcap-filter.7.gz', which is different from other instances of package libpcap0.8:amd64 dpkg-deb: error: subprocess paste was killed by signal (Broken pipe) Processing triggers for man-db (2.6.7.1-1) ... Errors were encountered while processing: /var/cache/apt/archives/libpcap0.8_1.5.3-2_amd64.deb E: Sub-process /usr/bin/dpkg returned an error code (1) root@System:~/Downloads# root@System:~/Downloads# sudo apt-get check Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt-get -f install' to correct these. The following packages have unmet dependencies: libpcap0.8 : Breaks: libpcap0.8:i386 (!= 1.4.0-2) but 1.5.3-2 is installed libpcap0.8:i386 : Breaks: libpcap0.8 (!= 1.5.3-2) but 1.4.0-2 is installed libpcap0.8-dev : Depends: libpcap0.8 (= 1.5.3-2) but 1.4.0-2 is installed E: Unmet dependencies. Try using -f. root@System:~/Downloads# apt-cache policy libpcap0.8:amd64 libpcap0.8 libpcap0.8-dev libpcap0.8: Installed: 1.4.0-2 Candidate: 1.5.3-2 Version table: 1.5.3-2 0 500 http://in.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages *** 1.4.0-2 0 100 /var/lib/dpkg/status libpcap0.8: Installed: 1.4.0-2 Candidate: 1.5.3-2 Version table: 1.5.3-2 0 500 http://in.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages *** 1.4.0-2 0 100 /var/lib/dpkg/status libpcap0.8-dev: Installed: 1.5.3-2 Candidate: 1.5.3-2 Version table: *** 1.5.3-2 0 500 http://in.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages 100 /var/lib/dpkg/status root@System:~/Downloads# root@System:~/Downloads# sudo apt-get -f remove libpcap0.8 libpcap0.8-dev libpcap0.8-dev:i386 libpcap0.8:i386 Reading package lists... Done Building dependency tree Reading state information... Done Package 'libpcap0.8-dev:i386' is not installed, so not removed. Did you mean 'libpcap0.8-dev'? You might want to run 'apt-get -f install' to correct these: The following packages have unmet dependencies: libpcap-dev : Depends: libpcap0.8-dev but it is not going to be installed E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution). root@System:~/Downloads# sudo apt-get -f install Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The following extra packages will be installed: libpcap0.8 The following packages will be upgraded: libpcap0.8 1 upgraded, 0 newly installed, 0 to remove and 365 not upgraded. 2 not fully installed or removed. Need to get 0 B/110 kB of archives. After this operation, 13.3 kB of additional disk space will be used. Do you want to continue? [Y/n] y (Reading database ... 163539 files and directories currently installed.) Preparing to unpack .../libpcap0.8_1.5.3-2_amd64.deb ... Unpacking libpcap0.8:amd64 (1.5.3-2) over (1.4.0-2) ... dpkg: error processing archive /var/cache/apt/archives/libpcap0.8_1.5.3-2_amd64.deb (--unpack): trying to overwrite shared '/usr/share/man/man7/pcap-filter.7.gz', which is different from other instances of package libpcap0.8:amd64 dpkg-deb: error: subprocess paste was killed by signal (Broken pipe) Processing triggers for man-db (2.6.7.1-1) ... Errors were encountered while processing: /var/cache/apt/archives/libpcap0.8_1.5.3-2_amd64.deb E: Sub-process /usr/bin/dpkg returned an error code (1) root@System:~/Downloads#

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• debian/rules error "No rule to make target"

  - by Hairo

  i'm having some problems creating a .deb file with debuild before reading some tutorials i managed to make the file but i always get this error: make: *** No rule to make target «build». Stop. dpkg-buildpackage: failure: debian/rules build gave error exit status 2 debuild: fatal error at line 1329: dpkg-buildpackage -rfakeroot -D -us -uc -b failed Any help?? This is my debian rules file: #!/usr/bin/make -f # -*- makefile -*- # Sample debian/rules that uses debhelper. # This file was originally written by Joey Hess and Craig Small. # As a special exception, when this file is copied by dh-make into a # dh-make output file, you may use that output file without restriction. # This special exception was added by Craig Small in version 0.37 of dh-make. # Uncomment this to turn on verbose mode. #export DH_VERBOSE=1 build-stamp: configure-stamp dh_testdir touch build-stamp clean: dh_testdir dh_testroot rm -f build-stamp configure-stamp dh_clean install: build dh_testdir dh_testroot dh_clean -k dh_installdirs $(MAKE) install DESTDIR=$(CURDIR)/debian/pycounter mkdir -p $(CURDIR)/debian/pycounter # Copy .py files cp pycounter.py $(CURDIR)/debian/pycounter/opt/extras.ubuntu.com/pycounter/pycounter.py cp prefs.py $(CURDIR)/debian/pycounter/opt/extras.ubuntu.com/pycounter/prefs.py # desktop copyright and others (not complete, check) cp extras-pycounter.desktop $(CURDIR)/debian/pycounter/usr/share/applications/extras-pycounter.desktop

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• What is the correct way to install ATI Catalyst Video Drivers?

  - by Stephen Myall

  I am planning on doing a fresh install of 12.04 LTS and want to know what is the correct way to install ATI Catalyst Video Drivers in 12.04 LTS? In a previous AU question relating to 11.10 (here) NOT 12.04 the accepted response stated that ia32-libs was a dependency (even for 64bit machines). I studied other Q&A on AU and the reason for asking this specific question is that I wasn't sure about some of the dependencies needed. I was also receiving conflicting advice on other reputable websites which put doubts in my mind on what the correct approach was.

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• adobe flash not working firefox or chromium

  - by user215216

  I'm new to ubuntu but I think I did everything right. Adobe flash says its installed and I've uploaded the latest Firefox and Chromium. When I go to youtube all I see is a black screen where the video should be and no image, Same in chromium, but at least chromium says it can't load plugin. Have tried various fixes on this web site but to no avail. Have to be doing something wrong or missing some step while quietly going crazy. Can someone please help me?

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• Upgraded to 13.10 now clock settings are all disabled and clock does not display

  - by kervin

  I've upgraded to 13.10 and now I don't have the standard menu clock, which I need for work. I checked and 'indicator-datetime' is installed. I even uninstalled/reinstalled that applet with no luck. Also my "clock" settings under System Preferences are all disabled. I can't change anything. Does anyone know how I can get the old menu clock back? Alternatively is there another menu clock app I can download? Thanks for the responses I've restarted several times and that didn't fix the issue. I just ran the 13.10 update today. But I ran it again a few minutes ago. I got about 200KB in random updates. The issue is still present after a reboot. # apt-cache policy indicator-datetime indicator-datetime: Installed: 13.10.0+13.10.20131016.2-0ubuntu1 Candidate: 13.10.0+13.10.20131016.2-0ubuntu1 Version table: *** 13.10.0+13.10.20131016.2-0ubuntu1 0 500 http://us.archive.ubuntu.com/ubuntu/ saucy/main amd64 Packages 100 /var/lib/dpkg/status

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• Can't start Psychonauts game -- segfault

  - by tremby

  This looks similar to Psychonauts Humble Indie Bundle V error but I don't have the ERROR message (missing GL capability) and its solution does not work for me. When trying to run Psychonauts from the Humble Indie Bundle on my x86_64 laptop running Ubuntu 12.04 I get the following output: <bjn@segnus:/usr/local/games/psychonauts>$ ./Psychonauts STUBBED: fix up the rest of the SSE code first at DetectSSESupport (/home/icculus/projects/psychonauts/Source/CommonLibs/DFMath/MathGeneral.cpp:32) STUBBED: write me? at SetPCLanguage (/home/icculus/projects/psychonauts/Source/game/luatest/UnixMain.cpp:120) STUBBED: fix up the rest of the SSE code first at DetectCPUCaps (/home/icculus/projects/psychonauts/Source/game/luatest/Game/PCGameApp.cpp:223) STUBBED: check LANG envr var at _GetDefaultGameLanguage (/home/icculus/projects/psychonauts/Source/game/luatest/Game/GameApp.cpp:171) Console created Save path: /home/bjn/.local/share/Psychonauts Write path: WorkResource STUBBED: inline asm at SSEMul_4x4_4x4_2arg (/home/icculus/projects/psychonauts/Source/CommonLibs/DFMath/Matrix.cpp:710) STUBBED: inline asm at SSEMul_4x4_4x4_3arg (/home/icculus/projects/psychonauts/Source/CommonLibs/DFMath/Matrix.cpp:698) ******** unit test failed ******** STUBBED: VK_* at InitInputNames (/home/icculus/projects/psychonauts/Source/CommonLibs/DirectX/SDLInput.cpp:1220) No joysticks detected Transport started DaveD: NCListenSocket: Listening on port 40001 SDL_SetVideoMode() failed: Failed loading libGL.so.1 Start Up completed in 0.06 seconds [1] 9718 segmentation fault (core dumped) ./Psychonauts <bjn@segnus:/usr/local/games/psychonauts>$ Output of lspci: 00:00.0 Host bridge: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub (rev 07) 00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07) 00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07) 00:19.0 Ethernet controller: Intel Corporation 82567LM Gigabit Network Connection (rev 03) 00:1a.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 (rev 03) 00:1a.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 (rev 03) 00:1a.2 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 (rev 03) 00:1a.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 (rev 03) 00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03) 00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 (rev 03) 00:1c.1 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 2 (rev 03) 00:1c.3 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 4 (rev 03) 00:1d.0 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 (rev 03) 00:1d.1 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 (rev 03) 00:1d.2 USB controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 (rev 03) 00:1d.7 USB controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 (rev 03) 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 93) 00:1f.0 ISA bridge: Intel Corporation ICH9M-E LPC Interface Controller (rev 03) 00:1f.2 RAID bus controller: Intel Corporation 82801 Mobile SATA Controller [RAID mode] (rev 03) 00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller (rev 03) 02:01.0 FireWire (IEEE 1394): Ricoh Co Ltd R5C832 IEEE 1394 Controller (rev 05) 02:01.1 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter (rev 22) 0c:00.0 Network controller: Intel Corporation WiFi Link 5100 Any ideas?

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• Lubuntu with only Ubuntu's workspace/tiling features

  - by Johnny Tremain

  I searched around for a long time but found nothing. I am moving from Ubuntu to Lubuntu. Everything is great (I am okay with the bland style) except for three features that I use regularly in Ubuntu. 1) Win+w / Win+s zooms out to see an overview of the current workspace and all the workspaces respectively. 2) Ctrl+Alt+num which puts the current application in a specific portion of the workspace. 3) Snap to edge of workspace. How would I get those three features onto Lubuntu? Would that cancel out the benefit of Lubuntu, so I should just stick with Ubuntu (or any distro you can recommend)? Thank you.

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• How can I use the Windows key?

  - by torbengb

  The Windows key seems to not have any use in Ubuntu, but since I'm just coming from Windows I'm used to this key having some function. How can I make good use of the Windows key in Ubuntu? I've seen that I can remap keys in SystemPreferencesKeyboardLayoutOptionsAlt/Win key behavior, but I have no idea what the choices meta, super, hyper mean. The help button in this dialog doesn't give any specifics about them. I've experimented a little and found that meta seems to have some use, like Win+M = Me menu, or Win+S is the shutdown menu, but for some keys (B, I) it's more like Ctrl (bold, italic). Haven't found any further. What would a useful setting be for a Linux newbie?

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• How to hide (in Thunar and Nautilus) a directory without putting a dot in its name?

  - by Ivan

  Usually Linux programs store user's settings in ~/.* directories. But unfortunately some developers (of some applications I need) do not follow this rule and don't start their settings storage folders names with a dot. This results in never-user-used folders cluttering (not the right word perhaps, as there are not many, but they annoy anyway) a home directory. Renaming them is not an option, as the applications won't find them in this case (and will create them again). Is there a way to hide a folder having no dot starting its name from being displayed in common file system browsers (I actually use Thunar of XFCE, alongside with Midnight Commander and Krusader, but wouldn't mind to know about Nautilus too).

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• Firefox Nighty 19.0a1 doesn't integrate with the taskbar (12.04)

  - by JamesTheAwesomeDude

  Okay, we all know how the "Normal" Firefox has the Menu Bar (File, Edit, View, etc.,) integrated with the taskbar at the top of the screen, just like every other program in Ubuntu (with the exception of programs run with gksu.) Now, I downloaded and installed the Nightly build of Firefox, and have been using it via the launcher (I finally figured all that out!) but whenever I run the Nightly build, the menu bar is separate, like so: http://i.imgur.com/Xogbs.png How do I fix this? I remember there being some sort of extension that did that, but I can't find it anymore.

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• Teamviewer in notification area only

  - by bisi

  Hello, I was wondering if there was a simple way to close Teamviewer to the notification area like I would close Skype? EDIT: Just to clarify my initial post, I want to enable Teamviewer in the notification area so that I can close it in my open programs bar (click on x), and it would still be running in the notification area (Skype does that, I can option Banshee and Rythmbox to do that, and Transmission does this too). AllTray puts it into the notification area, but the x still closes Teamviewer completely, and I have not found an optional setting in Teamviewer either. Thanks for the answer though Karni! ;) Thank you, bisi

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• sqlite3 timestamp (current_timestamp) one hour off

  - by Eiriks

  I run a small crawler on a virtual ubuntu server, initiated by crontab hourly. Datetime is inserted by defaulting the date filed to TIMESTAMP DEFAULT CURRENT_TIMESTAMP. Table creation looks like this: CREATE TABLE links (page TEXT, link TEXT, date TIMESTAMP DEFAULT CURRENT_TIMESTAMP, PRIMARY KEY(page,link)); The datetime gets stored fine, but it one hour off (one hour behind) Norwegian time (GMT +1). The server is located where-ever, I just need it to be on GMT+1. By typing datein the ssh session I get: Wed Dec 19 17:26:02 CET 2012 and that is correct (just now). So where does sqlite3 get it's time from? What must I do to set the time so that sqlite3 gets the time right?

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• Lenovo ThinkPad L520 slows down when AC power adapter is plugged in

  - by Aamir

  I have a new laptop Lenovo ThinkPad L520 (7859-5BG) Core i5-2520M(2.5GHz) with 4GB RAM. Having installed Ubuntu 11.10 32-bit, while browsing with Chrome on GNOME classic (no effects), I noticed 173% CPU usage by chrome browser process, and the system slowly got very very slow, Now, at this stage as I removed the power adapter, the system suddenly got faster (and stopped the lagging behavior) and CPU usage drops down to 48% !! Observation 1: I was browsing through chrome when my system seemed to be seriously lagging, so I killed chrome to see if it gets any faster. But there remained no difference. Notice that CPU usage was a bit strange here. It showed no high activity, but as soon as I would click on applications in gnome panel, it would shoot CPU usage to 70, or 80 or 90 or 143% etc. depending on how quickly i clicked back and forth. At this instance I removed by AC adapter of my laptop, and suddenly system got fine. So i again clicked on gnome panel, and noticed that it now took only 7% or 12% or 13% at max, with same kind of clicks in application menu. Observation 2: At the other times, with AC adapter plugged in, top indicates four instances of chromium taking 90%, 60%, 47% and 2% (for example), and then once I take out the AC adapter same processes take lesser CPU all of a sudden Intermediate conclusions: What does this indicate ? I cannot figure out any "other" process in "top" that is suddenly being triggered, its the same process that hogs up my CPU once AC power is plugged in ! NOTE: the problem is now CONFIRMED, as i can repeat that when I have power adapter plugged in ! Can anyone tell me what exactly does this indicate ? What is wrong, is it some bug with power management or what ?

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• Missing Operating System after trying to upgrade to Ubuntu 11

  - by Mauricio

  there! After trying to upgrade from Ubuntu 10.04 to 11, the upgrading process stopped when running and then I got an "out of disk, grub rescue" message when booting. After running Boot Repair, I got this results. Now I get "Missing Operating System" whent trying to boot. Bellow I show some results from some commands I gather from help foruns, but I still reached no solution. Could you please help me? Any enlightment will be very helpful! Disk Utility says "Disk has a few bad sectors". When trying to run the Self-test I get "FAILED (Read)" Here we have what Gparted says about the /dev/sda1 partition (ext4): Flags: boot Status: not mounted Warning: e2label: Attempt to read block from filesystem resulted in short read while trying to open /dev/sda1Couldn`t find valid filesystem superblockUnable to read the contents of this filesystem! From sudo fdisk -lI got: Disk /dev/sda: 320.1 GB, 320072933376 bytes 255 heads, 63 sectors/track, 38913 cylinders, total 625142448 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk identifier: 0x000e0596 Device Boot Start End Blocks Id System/dev/sda1 * 2048 607428607 303713280 83 Linux/dev/sda2 607430654 625141759 8855553 5 Extended/dev/sda5 607430656 625141759 8855552 82 Linux swap / SolarisDisk /dev/sdb: 320.1 GB, 320072933376 bytes255 heads, 63 sectors/track, 38913 cylinders, total 625142448 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x000c3c41 Device Boot Start End Blocks Id System /dev/sdb1 * 63 625137344 312568641 c W95 FAT32 (LBA) " and fromsudo fdisk /dev/sda1I got fdisk: unable to read /dev/sda1: Inappropriate ioctl for device` From sudo mount /dev/sda1 /mntI got: mount: wrong fs type, bad option, bad superblock on /dev/sda1, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so From sudo update-grubI got: error: cannot read from `/dev/sda'. /usr/sbin/grub-probe: error: cannot find a device for / (is /dev mounted?).

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• How can I find and remove 6to4 from my system?

  - by Kelley

  Last week I installed Miredo and configured my system to handle IPv6 through 6to4 tunneling. It was easy and it worked well. So I decided I'd give Hurricane Electric's IPv6 connection a try. I've had a lot to learn, and I thought I had it all running (with a great deal of help from a very patient person at Hurricane: my LinkSys E3200 didn't like IPv6). But now, when all should be good, after I uninstalled Miredo and Teredo and whatever else, I find that there is "6to4 tunneling - another automatic tunneling," which I need to remove from my box. But I have no idea where or what it might be. Connected to my computer are a couple printers, an external hard drive, and a router (which has no settings for IPv6). All of these are, I think, innocent in this matter. So, how can I get rid of 6to4 tunneling, when I don't even know where it is? Is there someplace to look and find out what's going on? I'm pretty new to Linux and Ubuntu.

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• Downloading large files hangs system

  - by Igor

  When Im trying to download large files, i.e. 1gb or more under FireFox, first of all it starts with very big download speed and in few seconds in almost get up to max (~11 MBps). It is downloading very fast, but when downloaded size becomes near 700-800mb and more, my system almost completely hangs, so I can do nothing - I just have to wait until it finishes downloading. Also when it hangs, I can't see the download progress - it looks like it completely hangs. Sometimes, however, if the file size is near 1gb, the system comes back from hang, finishing download, but sometimes I just cant wait before system comes back and have to kill FF from top (it takes me 2 minutes to do this, because of very slow system performance). I use Firefox as primary browser. If I use wget with direct link to file - everything is fine. Speed at max, no performance decrease. So what can I do?

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• Downgrade a bunch of packages

  - by Manuel

  Maybe you have installed packages from a PPA or an external source (e.g. downloaded a .deb for a package that is available through the Ubuntu repos.). Then you decide to drop these upgraded versions in favour to the official repositories.First step is to remove the entries of the sources.list. Is there a way to downgrade all to the highest available version? I know you can install specific versions with apt-get install [package]=[version] But can you downgrade all?

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• How do I detect if I'm in a 'full screen' bash shell or GUI terminal window?

  - by Nick T

  I have some code in my .bashrc that sets the terminal window title using the currently running command and it works great in Unity, where the terminal is in a window. However, when I'm logging in with the Ctrl + Alt + F1 terminal (whatever it's called), my prompt gets filled with garbage that is various escape sequences that set the (nonexistent) window title. How can I detect from within a bash script if I'm in one or the other?

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• Unmet Dependencies when I try to install wine or skype

  - by Andres

  I have a dell inspiron 64 bit and I'm running both windows 7 and Ubuntu in dual boot I am having trouble installing skype and wine. When I try to install skype etc I get the following error: sudo apt-get install ia32-libs Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are Blockquote using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation The following packages have unmet dependencies: ia32-libs : Depends: ia32-libs-multiarch but it is not installable E: Unable to correct problems, you have held broken packages

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• How do I set my bluetooth keyboard's layout setting?

  - by user29215

  I have upgraded to 11.10 and I have a HP Mini 2140 with a swiss layout keyboard. I could set that on the system setting and for the keyboard I have no problems. But I also use a Logitech DiNovo Edge bluetooth keyboard when I'm at home, and there is no way to set it in the right layout (the french swiss one). How can I correct that? It's very strange because when I connect my Logitech keyboard is set on the American layout, but the one of the PC is still on the swiss french layout.

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• sudo apt-get install -f doesn't fix broken packages. And now?

  - by Du Oliveira

  $ sudo apt-get install -f [sudo] password for ...: Lendo listas de pacotes... Pronto Construindo árvore de dependências Lendo informação de estado... Pronto Corrigindo dependências... Pronto Os seguintes pacotes foram instalados automaticamente e já não são necessários: python-pyasn1 libconfig++8 python-twisted-runner linux-headers-3.0.0-12 libvamp-sdk2 python-twisted-mail libgnomecanvasmm-2.6-1c2a python-twisted-lore python-twisted-conch python-twisted-news python-twisted-words python-twisted libffado2 linux-headers-3.0.0-12-generic libaubio2 Use 'apt-get autoremove' para removê-los. Os pacotes extra a seguir serão instalados: libmpeg3cine Os NOVOS pacotes a seguir serão instalados: libmpeg3cine 0 pacotes atualizados, 1 pacotes novos instalados, 0 a serem removidos e 0 não atualizados. 2 pacotes não totalmente instalados ou removidos. É preciso baixar 0 B/2.573 kB de arquivos. Depois desta operação, 6.762 kB adicionais de espaço em disco serão usados. Você quer continuar [S/n]? S (Lendo banco de dados ... 317732 ficheiros e directórios actualmente instalados.) Desempacotando libmpeg3cine (de .../libmpeg3cine_1%3a2.2-0.3~ppa1~oneiric1_i386.deb) ... dpkg: erro processando /var/cache/apt/archives/libmpeg3cine_1%3a2.2-0.3~ppa1~oneiric1_i386.deb (--unpack): a tentar sobre-escrever '/usr/bin/mpeg3cat', que também está no pacote mpeg3-utils 1.5.4-5ubuntu1 Erros foram encontrados durante o processamento de: /var/cache/apt/archives/libmpeg3cine_1%3a2.2-0.3~ppa1~oneiric1_i386.deb E: Sub-process /usr/bin/dpkg returned an error code (1) .....:~$ apt-get autoremove E: Não foi possível abrir arquivo de trava /var/lib/dpkg/lock - open (13: Permissão negada) E: Não foi possível travar o diretório administrativo (/var/lib/dpkg/), você é root?

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