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• Very High CPU usage (100%) from just browsing the Web

  - by cole

  I tested on Firefox and Chromioum. Im at 100% while loading pages which causes them to load slow and when I dont have a application running Im at 40% CPU (At least) Everything is slow basically. Im also already on Ubuntu Classic so im not using Unity. Should I go to 10.04? is that more stable? On windows this wasnt an issue. I have a Dual Boot with XP and a 2.4Ghz Intel Celeron with 768MB RAM and an Nvidia 6200 Graphics card. I heard 10.04 was the most stable. any suggestions?

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• No external microphone Acer AO722

  - by Leeghwater

  The ACER AO722 comes with an external mic input, and this input is not recognised by Alsa mixer or Sound (in System Settings). There are various comments on this problem, but no real solutions. For example External Mic not working but Internal Mic works on an Acer Aspiron AO722. Using the internal mic is not an option, as I need to use skype professionally. I have tried everything in alsamixer (accessible through the Terminal Ctrl+Alt+t, command: alsamixer), and in Sound (under System Settings). I have also installed Pulseaudio. But to no avail. The headset is working normally under Skype in Windows. My AO722 came with Windows 7 on it, so I have installed Skype there too. My headset has separate connectors for ears and mic, and these go into the respective output and input on the right side of the laptop. This location: http://bernaerts.dyndns.org/linux/202-ubuntu-acer-ao722 sounds like an effective solution but it is for Ubuntu Natty 11.04. The solution suggested sounds drastic to me: replace the kernel 2.6.38-13 with version 2.6.38-12. I use Ubuntu 12.04, and my kernel is 3.2.0-30-generic-pae. Question: could I try this solution with Ubuntu 12.04? Is this a risky thing to do? I have found harware work around this problem. The audio output seems to be a combi output with also a microphone connection. I have made an adapter for this output. I used a 4 contacts 3,5 mm audio jack plug. To this plug I have soldered 2 female (common stereo) connectors, one for ears and one for the mic of my headset. The 4 contacts jack, which goes into the laptop (in audio OUTput) is wired as follows: tip = hot audio right; first sleeve after tip = hot audio left; second sleeve = common earth (for both ears and microphone); the 3rd sleeve = microphone signal input. In the connector which I could buy, the 3rd sleeve is not so much a sleeve, but part of the metal base of the connector; normally you would expect this one to be connect to earth. But connecting the mic signal to it works. Maybe ready made adapters of this kind and even headsets with a combi jack can simply be purchased; I didn't check. When I plug in the 4 contacts jack, Sound and Alsamixer immediately recognise an external microphone (even if no mic is connected to the adapter). In Sound, under the Input tab, 'Settings for internal microphone' changes into 'Setting for microphone'. The microphone comes through loud and clear, however there is a constant noise in the background. Others have reported this too. If I disconnect the external mic from the adapter, or shortcircuit the external microphone, the noise gets less but does not disappear. Therefore, it is not background noise from the room, but it comes from the computer itself. However, if you talk directly in the microphone of the headset, the noise level is acceptable for VOIP. The headset of my mobile phone Nokia C1 mobile comes wwith a 4 contacts combi 3,5mm jack plug. However, this one works (ear and mic) with the AO722 only if not inserted fully. Possibly the wiring of this headset jack is different. I cannot find detailed specs of the AO722, and don't know whether the audio 'output' was actually designed as a combi input/output. I have seen that at least one other AO model has a combi connector only. In any case, I do not believe that connecting your headset in this way will harm your computer. I would still appreciate a software solution. This must be possible, because the proper microphone input connector works under MS Windows.

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• Can't edit/drag-and-drop widgets in QtCreator in Unity, Gnome3 - ok

  - by Maksim

  I have QtCreator 2.4.1 (Qt 4.7.4) installed on Ubuntu 12.04 LTS x86. When I try to change UI - drag-and-drop any widget (buttons, label, etc.) it won't let me do it, like it's read-only. The icon when I drag is a circle with a line through it. I've found that problem in Unity and it's suggested to install Gnome3 shell - Can't edit/drag-and-drop widgets in QtCreator I tried to install Gnome3 and it works fine as expected. But the question, is there any other way to work proper with QtCreator in Unity?

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• Can't adjust brightness on a Sony Vaio T13 ultrabook

  - by Alex Barreira

  I recently installed Ubuntu 12.04 alongside Windows 7 in a Vaio T13 ultrabook. I cannot use the the Fn+F4 or Fn+F5 to change the brightness. The bubble appears indicating that brightness is being changed but with no visual impact on the screen. I've tried many solutions involving the manipulation of the /etc/default/grub file but none of them worked. Whenever I tried this manipulation the screen still didn't change, however the bubble stopped functioning properly. This is not a problem of the Fn shortcut. Even when I try to change it in the Brightness and Lock on System Settings, the bar does scroll but the screen remains unchanged. Does any one has a way around this mystery?

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• Gnome3 shell video corruption with ATI Radeon HD 4850 on 11.10 Oneiric

  - by AndyAtTheWebists

  I have a problem similar to what's been mentioned in a few other questions, namely: Ati incompatible with Gnome-shell? Gnome Shell Glitched Top Bar Ubuntu 11.10 I have read a number of other posts here and on other forums and have tried a bunch of different solutions. The Problem The problem manifests itself only in Gnome3. I have tried KDE, Unity and KFCE and all are fine. The graphics corruption is visible only on gnome panels (see images below). Everything works fine with the free ATI drivers, but they just lack power. The problem occurs with the proprietary ones from AMD/ATI. I have installed version 11.11 and 12.1 as per the instructions on wiki.cchtml.com/index.php/Ubuntu_Oneiric_Installation_Guide. I have the same exact problem in both cases. I have tried this on clean installs of Ubuntu 11.10 Oneiric Ocelot (x64 and x86) and on Linux Mint 12 (x64) with the same results. Also, it looks like after some time of not using it, the PC just freezes. Maybe an overheat? Will look into it. Things I've Tried I have tried the following fixes: Different versions of drivers from ATI including the latest - this worked for some, not for me. Installing Oneiric specific package generated from driver, as well as the default install Removed the Unity Global menu Disabled file manager handling desktop Disabled Compiz "detect refresh rate" Sync to VBlank in Compiz on and off Please help! This is the first time in 10 years that I've finally had the chance to switch my primary desktop to Linux (stopped doing .NET dev work), and this is really getting me down. This is what the problem looks like: And:

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• Wifi - wireless network not working after installing Ubuntu 12.04

  - by Nilesh

  I had installed ubuntu 12.04 in my Dell Vostro 3460. Initially wired as well wireless both are not working. After installing compat-wireless-2012-07-03-pc.tar.bz2 wired network fine but wireless is not working. Previously both were working fine with ubuntu 11.10. Also presently both network are working fine in Win7. lspci: 00:00.0 Host bridge: Intel Corporation Ivy Bridge DRAM Controller (rev 09) 00:01.0 PCI bridge: Intel Corporation Ivy Bridge PCI Express Root Port (rev 09) 00:02.0 VGA compatible controller: Intel Corporation Ivy Bridge Graphics Controller (rev 09) 00:14.0 USB controller: Intel Corporation Panther Point USB xHCI Host Controller (rev 04) 00:16.0 Communication controller: Intel Corporation Panther Point MEI Controller #1 (rev 04) 00:1a.0 USB controller: Intel Corporation Panther Point USB Enhanced Host Controller #2 (rev 04) 00:1b.0 Audio device: Intel Corporation Panther Point High Definition Audio Controller (rev 04) 00:1c.0 PCI bridge: Intel Corporation Panther Point PCI Express Root Port 1 (rev c4) 00:1c.4 PCI bridge: Intel Corporation Panther Point PCI Express Root Port 5 (rev c4) 00:1d.0 USB controller: Intel Corporation Panther Point USB Enhanced Host Controller #1 (rev 04) 00:1f.0 ISA bridge: Intel Corporation Panther Point LPC Controller (rev 04) 00:1f.2 SATA controller: Intel Corporation Panther Point 6 port SATA Controller [AHCI mode] (rev 04) 00:1f.3 SMBus: Intel Corporation Panther Point SMBus Controller (rev 04) 01:00.0 VGA compatible controller: NVIDIA Corporation Device 0de9 (rev a1) 02:00.0 Network controller: Broadcom Corporation Device 4365 (rev 01) 03:00.0 Ethernet controller: Atheros Communications Inc. AR8161 Gigabit Ethernet (rev 10) iwconfig: lo no wireless extensions. eth0 no wireless extensions. ifconfig: eth0 Link encap:Ethernet HWaddr 84:8f:69:d4:35:9b inet addr:10.24.22.72 Bcast:10.24.31.255 Mask:255.255.224.0 inet6 addr: fe80::868f:69ff:fed4:359b/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:15332 errors:0 dropped:0 overruns:0 frame:0 TX packets:10425 errors:0 dropped:0 overruns:0 carrier:1 collisions:0 txqueuelen:1000 RX bytes:9262594 (9.2 MB) TX bytes:1572030 (1.5 MB) Interrupt:16 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:1432 errors:0 dropped:0 overruns:0 frame:0 TX packets:1432 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:145656 (145.6 KB) TX bytes:145656 (145.6 KB)

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• Moonlight stopped working on tvp.pl

  - by Oliverka

  Hello, I'm watching The Bold and the beautiful on the site: http://www.tvp.pl/seriale/obyczajowe/moda-na-sukces/wideo Yesterday I wanted to view next episode, however it didn't work. I checked various episodes from other points in time and none works. The "dots" that appear when a Silverlight video is loading are present, but after them there is only black screen (of death). I'm using Ubuntu Lucid Lynx 32 bit with GNOME2 and firefox 3.6. I have all updates done. Could somebody check if any video is working for them and tell me their setup, please? I'm using Moonlight 3. Two days ago everything was fine but later this problem appeared.

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• Dell bios nightmare on optiplex

  - by Minster

  I own a Dell optiplex gx260 pc and I got bios revision a03 and want to go higher like a09 I tried the Dell support page using the Wine program down loader after a little configuring and set up on Install Shield Wizard I get the message "unable to obtain required information about your system..setup cannot complete" the pc doesn't have a floppy diskette drive any more and the other option using download manager is only executable via Windows Internet explorer I don't blame wine or anybody else but this is frustrating.

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• Ubuntu 12.04 freezes on suspend hp folio 13

  - by Tom O'Brien

  I have ubuntu 12.04 running from a usb HDD on my hp folio 13. Everything is working, but at first the screen would only blacken when i closed the lid and didn't suspend. So, I followed this guide: https://github.com/deliciousrobots/ubuntu-hp-folio-13 after that, it sort of worked, but very unreliably. Now suspend doesn't even work and it always freeze. Usually the screen will turn black but I can still see my mouse. Sometimes my desktop background will show but the launcher wont be there or anything. Once I didn't have the menu bar on any windows or the top of the screen but the windows I had left open were still (sort of) responsive. Whats wrong? Help Thanks

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• How do I keep track of modifications to a new server?

  - by eveo

  I purchased a server for the sole purpose of familiarizing myself with the CLI so I don't get royally screwed when I enter a real development environment. However, I have some questions. I've managed to SSH into my server, all is fine and dandy, installed LAMP too which went flawlessly. Now I'm wondering, the more changes I do, the more cluttered my server will become. Can I revert changes? I don't want to keep customizing things and installing things and just having a cluttered server overall. Where can I track changes to my system?

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• Configuration of the network manager via DBus: how to set the ad hoc mode

  - by Andrea

  I have an hard nut to crack: a nice bottle of italian Chianti wine to the solver! :) To automatically configure Wifi, I first have to kill the network manager and than activate the wifi via the commandline: I do this all automatically in my application and works great. However... it is not the right way to do this. As the user has no network gui anymore to configure some other network access. A much better and transparent way would be to configure wifi directly via network manager over the DBus interface. I was able to configure it, but I wasn't able to set it to ad hoc mode... Searching the web for a while: a lot about configuration in general but nothing related to ad hoc mode. I think the only way to do figure that out is to look into the source code of the network manager...maybe someone already did it and he can answer.

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• problem with task switcher and ccsm

  - by user2427

  I'm trying to make a simpler task switcher work, instead of the default with unity. I installed ccsm, and then the extras to be able to access to static task switcher. The problem right now is that I can enable static task switcher but only if I run ccsm as sudo. When I try to enable running ccsm without sudo it doesn't let me enable anything. All the checkboxes are disabled. And enabling as sudo doesn't make the task switcher work. Does anyone know how to make this work?

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• Ubuntu One Preferences does not show usage, name, e-mail, current plan

  - by Jim

  Ubuntuone is correctly synchronizing selected files between two computers running Ubuntu 10.10. When I open Ubuntuone Preferences, Account tab, on one computer it does not display the usage, name e-mail or current plan. On the other computer all information is shown correctly. On the Devices tab the 2 computers are not shown. They do show correctly on the other computer. Any ideas on how to fix this problem. I have reinstalled Ubuntuone per this link.

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• Change libcups to repository version

  - by Lerp

  I upgraded my libcups package to 1.6 in hopes to fix something but I just buggered things up more. So I want to reinstall it to the version on the repository (1.5.3 I think). I've tried to do a reinstall using ~#: apt-get install --reinstall libcups2 but that tells me it cannot be downloaded so refuses to upgrade. I can't just do: ~#: apt-get remove libcups2 ~#: apt-get install libcups2 as that wants to remove 299 packages along with it. Totaling 668MB so I am hesitant as that will probably take 6 hours to download on my connection.

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• What's wrong with my wireless?

  - by dazzle

  I am having issues with my wireless connection. My connection is constantly disconnecting, then attempting to reconnect, reconnecting momentarily, then disconnecting etc. on times scales that range from seconds to minutes. In the meantime, needless to say I'm having significant packet loss. I'm running Ubuntu 14.04 64bit, updated and upgraded to today. Here is my card and driver: delta@sager:~$ lspci -vq | grep -i wireless -B 1 -A 5 04:00.0 Network controller: Intel Corporation Wireless 7260 (rev 73) Subsystem: Intel Corporation Dual Band Wireless-AC 7260 Flags: bus master, fast devsel, latency 0, IRQ 47 Memory at f7d00000 (64-bit, non-prefetchable) [size=8K] Capabilities: Kernel driver in use: iwlwifi Here is my kernel: delta@sager:~$ uname -r 3.13.0-34-generic None of the other machines on my home network are having these issues. Windows Vista is networking without issue for goodness sake ;-) Here is a small clipping from the output of dmesg. As you can see, I am getting a cfg80211 message of some sort over and over again (FYI, I've replaced my MAC address with a series of dashes, so anytime there is a ---------------, that was where the MAC address was: [ 1881.739161] wlan1: authenticate with --------------- [ 1881.741561] wlan1: send auth to --------------- (try 1/3) [ 1881.743440] wlan1: authenticated [ 1881.746027] wlan1: associate with --------------- (try 1/3) [ 1881.749244] wlan1: RX AssocResp from --------------- (capab=0x411 status=0 aid=4) [ 1881.754727] wlan1: associated [ 1881.754827] cfg80211: Calling CRDA for country: US [ 1881.761552] cfg80211: Regulatory domain changed to country: US [ 1881.761559] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) [ 1881.761564] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2700 mBm) [ 1881.761568] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 1700 mBm) [ 1881.761571] cfg80211: (5250000 KHz - 5330000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 1881.761574] cfg80211: (5490000 KHz - 5600000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 1881.761577] cfg80211: (5650000 KHz - 5710000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 1881.761580] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 3000 mBm) [ 1881.761584] cfg80211: (57240000 KHz - 63720000 KHz @ 2160000 KHz), (N/A, 4000 mBm) [ 1882.391038] cfg80211: Calling CRDA to update world regulatory domain [ 1882.396254] cfg80211: World regulatory domain updated: [ 1882.396260] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) [ 1882.396265] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 1882.396268] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 1882.396271] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) [ 1882.396274] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 1882.396277] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 1886.148252] wlan1: authenticate with --------------- [ 1886.150005] wlan1: send auth to --------------- (try 1/3) [ 1886.151807] wlan1: authenticated [ 1886.154847] wlan1: associate with --------------- (try 1/3) [ 1886.158147] wlan1: RX AssocResp from --------------- (capab=0x411 status=0 aid=4) [ 1886.163464] wlan1: associated [ 1886.163520] wlan1: Limiting TX power to 30 (30 - 0) dBm as advertised by --------------- [ 1886.163588] cfg80211: Calling CRDA for country: US [ 1886.170500] cfg80211: Regulatory domain changed to country: US [ 1886.170508] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) [ 1886.170513] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2700 mBm) [ 1886.170517] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 1700 mBm) [ 1886.170520] cfg80211: (5250000 KHz - 5330000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 1886.170523] cfg80211: (5490000 KHz - 5600000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 1886.170526] cfg80211: (5650000 KHz - 5710000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 1886.170529] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 3000 mBm) [ 1886.170533] cfg80211: (57240000 KHz - 63720000 KHz @ 2160000 KHz), (N/A, 4000 mBm) [ 1887.200197] cfg80211: Calling CRDA to update world regulatory domain [ 1887.203655] cfg80211: World regulatory domain updated: [ 1887.203659] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) [ 1887.203662] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 1887.203664] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 1887.203666] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) [ 1887.203668] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [ 1887.203670] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) I've poked around on AskUbuntu, and have not found any adequate solutions; have also found similar threads that were left unanswered. Any advice/experience/threads I might be able to pull on would be greatly appreciated. In your opinion, is this a kernel issue, hardware issue, etc.? Thanks in advance. EDIT: chili, here's the output of iwconfig: delta@sager:~$ iwconfig wlan1 IEEE 802.11abg ESSID:"LANbeforetime" Mode:Managed Frequency:2.412 GHz Access Point: ----------- Bit Rate=48 Mb/s Tx-Power=16 dBm Retry long limit:7 RTS thr:off Fragment thr:off Power Management:off Link Quality=44/70 Signal level=-66 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:80 Missed beacon:0 eth0 no wireless extensions. lo no wireless extensions.

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• virtual install from ISO not getting virtual kernel

  - by Pete

  I have a KVM host (12.04.5) that I have been installing guests on in variety of ways. I just noticed recently one of my guests was running a generic kernel when I'm fairly certain I specified minimum virtual machine during install from a 12.04.2 server iso. From what I understand it should be running a stripped down kernel "optimized" for VMs. I set up another server to test, this time using a 14.04.1, and sure enough I ended up with uname -r returning 3.13.0-32-generic. It seems that if I use an .iso to install, I end up with generic regardless. However building with the vmbuilder ... --flavour virtual --suite precise ... (I don't have trusty available yet) script gives me an ubuntu 12.04.5 LTS system running kernel 3.2.0-67-virtual. The server FAQ mentions I should be getting the virtual kernel. What are practical advantages of using linux-image-virtual kernel? gives me the impression that it doesn't really matter functionally (in my case I only have a couple VMs running). I first thought was maybe I was somehow not applying the correct options because the installer F4 menu doesn't really give great feedback if the mode has been selected or not. Looking in the log /var/log/installers/syslog I see Command line: file=/cdrom/preceed/ubuntu-server-minimalvm.seed ... I know that I can install the virtual kernel package down the road, but why am I not, or should I be getting the virtual flavor of kernel from an ISO install when doing an minimum VM install?

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• wacom bamboo connect CTL470 "no tablet detected..."

  - by LAS

  Wacom bamboo connect CTL470 - "no tablet detected ..." I downloaded and attempted to install drivers and software -- I am relatively new in ubuntu and downloaded, extracted,ran in terminal but could not successfully install drivers and software for this device. All of this took up a good deal of space on the drive. Manual compilation failed. I need some help. How do I install so as to use this device? Or please direct me to a suitable (relative beginner) "how to". i have downloaded several packages but the install fails in Software Center and Synaptic. System: HP a1220n Intel Pentium 4 CPU 2.93 GHz OS Type 32 bit Ubuntu 11.10

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• Bazaar - pull the last revision only (and not the whole branch)

  - by Sandman4

  Shortly: How can I take the latest revision (only) from a remote bazaar repository and add it as a new revision to a local repository. Background: I have a development system and a production system. On a development system there's a bazaar repository having branch with lots of development revisions. Once in a while I want to incorporate the latest developments into production system. I want to do so by some sort of "pulling" (development system can not connect to production for security reasons, but production can initiate connection to development). On the production, I don't want the whole development revision history, only those revisions which actually go into production (normally it's the branch tip). Yet I want version control on the production system to keep track of what actually goes into production each time. bzr pull pulls the whole branch. bzr pull --revision=last:1 also pulls the whole branch, up to the specified revision. bzr merge --pull --revision=last:1 also pulls the whole branch. bzr merge --pull --revision=last:2..last:1 and bzr merge --pull --change=last:1 both pull only the new changes introduced in the latest revision, but not changes introduced in the older revisions. With lightweight checkout I have no track of revisions which are pulled into production - local working tree remains part of the remote repository The only way I see so far is importing the working tree using some rsync or scp and committing them to a local branch afterwards. Any better ideas ?

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• Accidental installed jdk 6 and 7 now cant uninstall!

  - by user87587

  I have been trying to install java on my Dedicated server. I have partially installed multiple versions of java and now cannot uninstall them as they all have dependencies. Whenever I try and un-install I get: Errors were encountered whilst processing: openjdk-6-jre-headless openjdk-6-jre E: Sub-process /usr/bin/dpkg returned an error code (1) I AM A NEWBIE Re-install can't be done unless I contact my host and pay 15$ :(

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• How do I customize desktop wallpaper slideshow via XML?

  - by Pithikos

  I spent some time and tried varioues things but nothing works. Here's what I have tried so far: Making a new folder /usr/share/backgrounds/mywallpapers and add my own background-1.xml in there. Copying a bunch of my own wallpaper files into /usr/share/backgrounds/ Copy /usr/share/backgrounds/Contest/background-1.xml to /usr/share/backgrounds/ I logged out and in and no changes in Appearance app. I have heard about Wallch but I don't want some app running in the background all the time. I'm not even sure Wallch will work with Gnome 3. I also tryied gnome-3-wp (Gnome 3 Wallpaper Slideshow app) but it just seems broken for Oneiric Ubuntu 11.10. Anyone has a solution?

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• DLNA Media Server and external subtitles

  - by Lobo

  I'm looking DLNA Media Server with the features above: Support most extended video formats. Reproduce external subtitles in client side. Open source or freeware software. USE CASE: DLNA Media server installed and running on my PC. In my PC, I have /home/myprofile/videos directory where I store all my video files. For example, game.of.thrones.s09.e06.mpg and game.of.thrones.s09.e06.srt Turn on my Smart-TV, connect to my DLNA Media Server (installed on my PC) Play game.of.thrones.s09.e06.mpg file and see the subtitles overlapped. Finally, my question: Is there some DLNA Media server that provides that use case?. Thank you.

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• Ubuntu crashes with menu bar launcher freeze during software centre use

  - by UbunUser

  I recently reinstalled Ubuntu 12.04 LTS on a Dell Studio 1588 64-bit and ran into crashes as I was installing some software on the software centre. Before this, I had display/screen problems that I needed to fix so I will briefly describe that in case it has any connection to the crashes. The problem was of screen crash/flickering (related to ATI Mobility Radeon HD 5400x) when trying to adjust brightness and so I followed guidance from an earlier chain (question 131967) to (a) use jockey to install fglrx update driver (deactivate experimental beta driver) and (b) edit grub to add acpi_backlight=vendor dell_laptop.backlight=0 The crashes that happened (twice, while software centre was just finishing installation in the background) was that all tabs (on open Firefox window) stayed open along with cursor control with mousepad but all menu bars disappeared completely along with the launcher and the keyboard also turned unresponsive. So there seemed to be no way to close windows or shut down the computer except for a forced hard shut down of the system using the start button. This is very similar to Questions #167540 and #298843, which seem to be closed. Why is this happening? Is there some update or fix I need to make? Thanks!

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• How to use PAM to restrict HTTP access for some users?

  - by MaxB

  I've read that PAM can be used to restrict HTTP access for some users, but I can't figure out how to do it in Ubuntu 12.04. The /etc/security/time.conf man page contains this example: All users except for root are denied access to console-login at all times: login ; tty* & !ttyp* ; !root ; !Al0000-2400 For this to work, /etc/pam.d/login needs to have a line account requisite pam_time.so This example works, and I tried to adapt it to limit HTTP access from the console. I added http ; tty* & !ttyp* ; !root ; !Al0000-2400 to /etc/security/time.conf, and created /etc/pam.d/http with account requisite pam_time.so This doesn't work. I can still use wget as non-root from the console.

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• How to disable OSD notifications for specific email addresses?

  - by Zuul

  I receive several logs per day via email, either from testing operations, server status or backup resumes. Can I some how disable the notification balloon either by a specific email address, the email subject or any other possible filter, as to not be constantly notified about the success operations? I've looked within the Notify OSD Configuration, but couldn't find any option to this end. Since the email comes with different information when errors occur, I already have filters within Thunderbird as to move error logs to a folder that I keep tabs on... If relevant, I'm using Ubuntu 12.04 fully updated, and Thunderbird 15.0.1.

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• Wired connection stops working suddenly

  - by user90950

  I have Ubuntu 12.04.I was downloading something via aria..and then it suddenly stopped..no connection to Internet. I tried to ping the host but no reply..also tried to ping the route 192.168.250.1 but no reply got a message saying 'Ubuntu 12.04 has experienced internal error'. I restarted system but nothing is sorted out. The wired connection 'establishes' but I am not able to use Internet or ping either to host/route/8.8.8.8. The wireless is working fine and it does connect to Internet. I have a static IP address for wired connection and it does connect to Internet on Windows OS installed on this same Laptop with same IP settings.. please suggest how do i get my wired connection start working properly again..

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