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• How to turn off Libnotify notifications only when sound is in muted state?

  - by Michael Butler

  I have a multimedia keyboard that allows me to easily mute the sound (Ubuntu 12.04). It would be nice to "link" this to also turn off libnotify messages that pop-up in the top right corner (i.e. Pidgin messages). So when Ubuntu is muted, no libnotify messages would pop up. When not muted, messages show as normal. Is this possible with a script of some kind or would it require changing source code?

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• 14.04 LTS Unity no longer boots after last 94 MB update

  - by Harryg123

  I am running 14.04 LTS, Unity, on an HP Pavillion 15, 4GBRAM, 750 GB hdd, I-5 machine, with AMD 8600M graphics card built in. I have disabled the dash and all Ubuntu spyware. I have been faithfully loading all updates as they appear. This morning it asked for a 94 MB update (bringing kernel to .27, I think. Now, I can boot, get to login screen, but it freezes after that. Keyboard doesn't work at that point, but mouse does. I booted into recovery mode, tried to run in generic graphics mode, -- system again froze. I also pressed [esc] during boot, but saw nothing strange; then text disappeared and was replaced by login screen. I am not a hobbyist; this is a production machine and I have a lot of work to do today. Having a standard software update render my machine completely useless... sigh. Perhaps the simplest thing to do would be to revert to the previous configuration. How do I do that? I can boot into recovery mode. But I have no idea how to proceed. TIA for all help. -Harry

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• Why I can't see my desktop icons in ubuntu 13.04?

  - by Edgar

  I just installed Ubuntu 13.04 in my laptop Aspire-M3-5871TG, and I can't see anything (neither icons, ...). Only is visible the desktop background but I can open and work with the terminal. Maybe the problem is related with Nvidia Geforce GT 640M vs Unity. I've tried several commands: dconf reset -f /org/compiz/ unity --reset-icons &disown and unity --replace & but nothing happens. I've tried other commands as well: sudo add-apt-repository ppa:ubuntu-x-swat/x-updates sudo apt-get update sudo apt-get install nvidia-current and nothing happens. I've also tried to install tweak but is it not possible to find it. Thus, I can't do nothing ... Definetely my laptop is not compatible with Ubuntu 13.04?

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• Lot of "file not found" when using sudo find / -type s

  - by Andrea Moro

  In the attempt to understand why I keep getting the following error error: 'Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)' while using the command sudo find / -type s the terminal prompted something like this find: ‘/proc/31348/task/31348/fd/5’: No such file or directory find: ‘/proc/31348/task/31348/fdinfo/5’: No such file or directory find: ‘/proc/31348/fd/5’: No such file or directory find: ‘/proc/31348/fdinfo/5’: No such file or directory What does this mean?

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• unable to see gui

  - by Vikasa

  Hey I have Installed UBUNTU 12.04 on vmware work station on windows 7 but when i start up it in vmware i get a message on black screen of ubuntu i.e. " [ 7.3326] pixx4_smbus 0000:00:07.3: Host SMBus controller not enabled! ", and after that it asks for user id and password on black screen and after entering them i still resides in black screen, i am unable to see GUI. please suggest what to do. i am newer to UBUNTU.

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• GnuPG v1.4.10 cant read

  - by Nicky Bailuc

  I was thinking of "Getting Involved" with Ubuntu and decided to join the Bug Squad. After a few steps of joining, I got an email with a OpenPGP key licenced at Gnu version 1.4.10 and went on their website. They recommended me a couple of apps that can decode the code, but none of them worked, in fact each of them said that the code is corrupted. I thought that there's something wrong with that email, so I resent the request. As I got another email and tried the code with those programs, the programs said the same thing. How can I decode the code properly? Is there an online way of doing it? Any suggestions?

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• Embedding a back and forward arrows in a quickly application

  - by Jonathan

  I have downloaded a set of icons to use for my web browser that I'm creating and would like to use. I know how to add the icons, but I only know the code for the refresh button. My question is what is the code for the back and forward arrows? It would also be so helpful if I would know the code for the home button and how to make the web browser manage downloads. I'm using WebkitGtk as the web browser view. The images are found here

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• Prolific PL2303 and Ubuntu 12.04 (english)

  - by eli

  I am having the same issue as posted here Prolific PL2303 and Ubuntu 12.04 (only in english). The usb to serial adapter worked fine on 11.10 but after upgrade to 12.04 it is not recognized in lusb. if i connect the device after boot and then run: dmesg | grep tty i get: [ 101.305275] usb 2-1.4.4: pl2303 converter now attached to ttyUSB3 seems like it is working fine, but a running the command few seconds later adds the line: [ 107.788672] pl2303 ttyUSB3: pl2303 converter now disconnected from ttyUSB3 after this the device is no longer detected at all. any suggestions??

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• Unable to re-install compizconfig-settings-manager

  - by Killmoves

  While attempting to fix a problem with compiz settings manager, I got an idea from someone to purge compiz - sudo apt-get purge compiz. The compiz core packages are still intact however, the gui compizconfig-settings-manager is deleted and missing from synaptic. If I try to install through terminal I get: The following packages have unmet dependencies: compizconfig-settings-manager:i386 : Depends: python-compizconfig:i386 but it is not going to be installed Depends: python-gtk2:i386 but it is not going to be installed E: Unable to correct problems, you have held broken packages Any suggestions or insight is appreciated. Thanks.

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• Why is Ubuntu offline (except torrents) while Windows is online?

  - by Fahim al Islam

  I am using a static wired connection. Everything was perfect. But suddenly from few hours back I can't access any website. Dropbox, Ubuntu One also can't connect. Ping request is also unsuccessful, but I can download through torrent. I am not trying torrent download and browsing at the same time. So, I think it's not an issue about torrent using all the bandwidth. One important point is that this connection works perfectly on Windows on this same PC (My PC is dual-boot). I have tried the way what izx has suggested (using "sudo sh -c 'echo nameserver 8.8.8.8 /etc/resolv.conf'"), but I'm facing the same problem again. Now I can't even ping 8.8.8.8 and google.com. Though I can ping 74.125.228.2 (which is Google IP address) I can't understand what's happening and why this is happening. I'm new in this website many rules and regulations is unknown to me. So, please don't be bothered for my mistakes. Looking forward for help from anyone. Thanks to all.

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• Compiz slow under proprietary nvidia driver

  - by gsedej

  Hi! I am using Ubuntu 10.10 and have problem with proprietary nvidia driver for my GeForce GTS 250. I have issue with poor Compiz performance. And there is also open-source "noueau" driver. Proprietary: I tried many versions but neither works fast on desktop. This means 30 FPS without heavy effects. Currently I am using version 270.18. Even normal desktop use feels bad (moving windows) In games (and 3D benchmark) it is really good! (Unigine Heaven works good!) Open-source "nouveau": Very fast on desktop with heavy effects (blur, ...). I have 300 FPS and more, even in Expo mode. Games were good but not as good as prop. And driver causes xorg to crash even the latest (ppa:xorg-edgers/nouveau), so I switched back to proprietary. I also have computer with Ubuntu 10.04, GeForce 8600GT and drivers around 185.x and Compiz works great there. There is similar question Nvidia proprietary driver performance in 10.10 Which version of nvidia (prop) driver is fast in Compiz in Ubuntu 10.10? How do you install a specific version of nvidia driver? Is it the case that each newer driver works slower on compiz?

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• Problem connecting to isp server using xl2tpd as client. Ubuntu server 13.04

  - by Deon Pretorius

  I have followed guides found on google and ubuntu support pages and can get xl2tpd connection up but only under the following conditions: 1 - ADSL model must be configured and connected to the ISP or 2 - ADSL modem in bridge mode I must have an existing PPPoe connection established. If neither of the above are active xl2tpd wont trigger pppd and connect to the isp and thus tunnel connection fails to connect to the L2TP server of the ISP. Am I doing something wrong; /etc/ppp/options.l2tpd.axxess ipcp-accept-local ipcp-accept-remote refuse-eap refuse-chap require-pap noccp noauth idle 1800 mtu 1200 mru 1200 defaultroute usepeerdns debug lock connect-delay 5000 name (name used for ppp connection) /etc/ppp/pap-secrets # * password (name used for ppp connection as above) * (ppp password supplied by isp) /etc/xl2tpd/xl2tpd.conf [global] ; Global parameters: auth file = /etc/xl2tpd/l2tp-secrets ; * Where our challenge secrets are access control = yes ; * Refuse connections without IP match debug tunnel = yes [lac axxess] lns = 196.30.121.50 ; * Who is our LNS? redial = yes ; * Redial if disconnected? redial timeout = 5 ; * Wait n seconds between redials max redials = 5 ; * Give up after n consecutive failures hidden bit = yes ; * User hidden AVP's? length bit = yes ; * Use length bit in payload? require pap = yes ; * Require PAP auth. by peer require chap = no ; * Require CHAP auth. by peer refuse chap = yes ; * Refuse CHAP authentication require authentication = yes ; * Require peer to authenticate name = BLA85003@axxess ; * Report this as our hostname ppp debug = yes ; * Turn on PPP debugging pppoptfile = /etc/ppp/options.l2tpd.axxess ; * ppp options file for this lac /etc/xl2tpd/l2tp-secrets # Secrets for authenticating l2tp tunnels # us them secret # * marko blah2 # zeus marko blah # * * interop * vzb_l2tp (*** secret supplied by isp) ^ isp server host name Any help will be greatly appreciated

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• Can I create a hybrid software-RAID array with disks of different sizes?

  - by stueng

  Products such as Synology offer something called Synology Hybrid RAID http://www.synology.com/us/products/features/RAID.php This RAID type allows you to make best use of your disks available by using all the disk space available as long as at least two disks share the same increased size where a typical RAID setup would simply "throw away" the extra space I would like to build a NAS with 4 disks available. I will begin by populating it with 3 X 3TB to give me 6TB usable. By the time I have filled this 6TB I imagine that 4TB disks will have come down in price, so at this stage I would add a 4th 4TB disk to give me an additional 3TB of space. When I next run out of space I will change one of the original 3TB disks with a 4TB disk giving me an additional 1TB of space. This is not possible with a typical RAID configuration, only with these "hybrid RAID" types I am wondering if I can acheive a similar "hybrid RAID" with Ubuntu? or another linux distro?

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• Are any Zotac Zboxs suitable as HTPC / media centres?

  - by Jakub

  Are any Zotac Zboxes suitable as HTPC / media centres? I'm after a fanless HTPC client in the living room to work with my MythTV server in my home office. I like the small compact form factor of the Zbox but what little I could find by Googling didn't clearly recommend any particular models for Ubuntu / MythTV / XBMC. Can anyone recommend any models that work with little hassle? Or, if there aren't any, are there other more Linux-friendly small format fanless PCs I should be looking at instead?

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• Online accounts advanced setting with Empathy (13.10)

  - by uruloke

  the new online accounts doesn't have the advanced settings as the empathy accounts had. How do i change the google server to connect to? i read here: https://wiki.gnome.org/Empathy/FAQ I can't connect to my Google Talk account Your router is probably blocking DNS SRV requests. If possible you should try to fix it. If you can't, the easiest work around is to set "talk.google.com" in the "Server" field of the advanced section of the account. So i think this might fix my problem, or maybe just an option to shift the port it connects to. and is there anyone that knows how to use join any IRC channels with Empathy? i have installed the plugin, but i don't know how to join a channel.

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• How do I cross-compile my application for Ubuntu 12.04 armhf architecture on a Ubuntu 12.04 i386 host?

  - by Jonathan Cave

  I have a large application I have written. I can successfully compile the application in the following scenarios: in a native compilation for the i386 host running Ubuntu 12.04 natively on a PandaBoard running Ubuntu 12.04 (this takes a long time) using Qemu and a chroot on the host PC for the armhf PandaBoard target (this takes a very long time) I would like to cross-compile the application on the i386 host to run on a target such as the PandaBoard to complete builds in a timely fashion. So far attempts made using the arm-linux-gnueabihf tool chain in the repositories has produced binaries that do not run correctly. At this stage, I have no plans to package the software. What is the recommended way to achieve a successful cross-compile?

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• Ubuntu 10.04 LTS Server - fresh install - failed apt-get update

  - by user87227

  Good day and greetings to all, I just did a fresh installation of Ubuntu 10.04 LTS server without any issues. However, the apt-get update or aptitude update is giving the following errors: a. bzip2:(stdin) is not bzip2 file.ign for all lines plus the following errors : etched 3,582B in 0s (74.1kB/s) Reading package lists... W: A error occurred during the signature verification. The repository is not updated and the previous index files will be used.GPG error: //security.ubuntu.com lucid-security Release: The following signatures were invalid: NODATA 1 NODATA 2 W: A error occurred during the signature verification. The repository is not updated and the previous index files will be used.GPG error: //in.archive.ubuntu.com lucid Release: The following signatures were invalid: NODATA 1 NODATA 2 W: A error occurred during the signature verification. The repository is not updated and the previous index files will be used.GPG error: in.archive.ubuntu.com lucid-updates Release: The following signatures were invalid: NODATA 1 NODATA 2 W: Failed to fetch security.ubuntu.com/ubuntu/dists/lucid-security/Release W: Failed to fetch in.archive.ubuntu.com/ubuntu/dists/lucid/Release W: Failed to fetch in.archive.ubuntu.com/ubuntu/dists/lucid-updates/Release W: Some index files failed to download, they have been ignored, or old ones used instead. Please guide in resolving this error. TIA Regards Venu

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• PHP-FPM - Nginx - phpMyAdmin - 502 bad gateway

  - by Jesse

  I have installed and configured PHP-FPM, Nginx, and then phpMyAdmin. When I access the main site everything works fine but as soon as I go to http://mysite.com/phpmyadmin I get a 502 bad gateway error. When I look in my error logs I see the following error repeated throughout: (111: Connection refused) while connecting to upstream, client: xx.xx.xx.xx Here is my default.conf for nginx: http://pastebin.com/YFEvAw81 I have tried many different configurations that I have found from users that have had the same issue but can't seem to get any of them to work.

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• How can I upgrade to Lubuntu 14.04.1 withot a PAE kernel?

  - by Richard

  On my Dell Latitude D800 laptop, which has an old Pentium M without PAE support, I was able to successfully install Lubuntu 14.04 from the CD. When I try to upgrade, I get the error: PAE not enabled Your system uses a CPU that does not have PAE enabled. Ubuntu only supports non-PAE systems up to Ubuntu 12.04. To upgrade to a later version of Ubuntu, you must enable PAE (if this is possible) see: http://help.ubuntu.com/community/EnablingPAE I have seen the Communit Wiki page for PAE. The suggestion is to add forcepae to the command line options. When I do this, I get the same message. Moreover, dmesg does not indicate PAE was ever enabled. Is there anything else I can ry to get Lubuntu to upgrade correctly?

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• window borders, menu bar missing over VNC

  - by zacaj

  I'm running Ubuntu 14.04 with Unity and Gnome3, however I don't have a screen hooked up anymore. I have installed x11vnc and run it with "-create" so that it will create a new X11 session, however when I VNC to it, the menu bar, window borders, etc are missing, windows are ordered based on creation time, and cannot be resized. Now, I don't really care if I end up with Ubuntu or Gnome's window manager, as long as this doesn't mess up my normal desktop stuff if I should happen to hook a monitor up again, and I'm not even attached to x11vnc if someone can point me to a good complete tutorial using something else, but I've been trying vino and tightvnc and rdp and x11vnc is the only one I've managed to get this far.

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• Is Grub installed when Ubuntu is the only OS installed?

  - by Dennis

  I have a simple question concerning Grub. When Ubuntu it's the only system installed on a machine, Grub doesn't appear when the computer it's turned on, my question is: When Ubuntu is the only system, Grub it's not installed on MBR? I has this doubt when I tried the ASPM command in Grub, to see if it could save some battery on my notebook, and the difference was only 0.4W. I don't even know if it made some effect or it's just a normal oscilation. Thanks.

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• USB mass storage couldn't get mounted

  - by revo

  It's my android phone SD card which was indicated damaged by android yesterday night, out of the blue! I put it directly to a USB port with a USB SD card holder case, so in that way I can recover it with TestDisk, which I had experienced before on a similar situation. I also noticed that there is a change in file system and capacity: File System : RAW Capacity : 0 (unknown capacity) Also TestDisk doesn't show it on its partitions list. A 2 GB SD card is not that important in price but I've a lot of files and medias which I need them. Used a mini card reader, TestDisk displayed it on its list but a quick search and or a deep search doesn't have any results No partition found or selected for recovery and then I should quit the program. Your help is appreciated. Update #2 lsusb output: Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 002: ID 04f3:0234 Elan Microelectronics Corp. Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 002: ID 058f:6366 Alcor Micro Corp. Multi Flash Reader Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 009 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 008 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 007 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 006 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

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• Lenovo IdeaPad P400 - Disabling the annoying requirement for the Fn key to use F1-F12

  - by Yon

  On Lenovo laptops, in order to use F5 you need to press Fn-F5 (same with F1-F12). It's really annoying and I'd like to reverse the situation. On Windows, a Lenovo driver could help: http://forums.lenovo.com/t5/ThinkPad-Edge-S-series/Disable-Fn-Keys-E420/td-p/803609 How can I resolve this on Ubuntu 12.04? I couldn't find Lenovo drivers for Linux. UPDATE: Found a peculiar solution for this on Windows. Can anyone recommend a good equivalent for Xubuntu: http://forums.lenovo.com/t5/IdeaPad-Y-U-V-Z-and-P-series/How-do-you-reset-the-function-keys-on-a-P500-ideapad-to-legacy/td-p/958995

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• How can I make the function keys the default on a Logitech K760 Bluetooh keyboard?

  - by Chas. Owens

  I had hoped that solaar would help, but it seems to only work for the Logitech wireless devices that use Logitech's proprietary scheme. I have Bluetooth keyboard (K760). I know it can be told to use the function keys (rather than the media keys) by default because I can do it on under OS X with software from Logitech. Just remapping the keys won't work as F1, F2, and F3 are special in that they switch which Bluetooth device I connect to and the keys are not sent to the OS.

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• Setting primary internet connection and network on notebook

  - by Francois

  I have installed Ubuntu on a notebook that I have configured to connect to the internet using an Iburst USB modem. This works 100% after a bit of configuring. I now have a desktop pc that I have installed ubuntu on, and would like to connect the two with a router. I bought a router with wifi, and would like to connect my notebook to the other computer using wifi, while still keeping the internet working with the usb modem. The problem is that as soon as the wifi connect, the internet connection dies. Is there a way to force ubuntu to get internet access through the usb modem, but use wifi to connect to the network? I am pretty new to ubuntu so any help would be appreciated. I also have a samsung galaxy tab that I would like to connect to the internet through usb modem via the wifi, so is there also a way to share that internet connection with the other computers on the network? Thanks in advance.....

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