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You can use $ gsettings set com.canonical.Unity.Panel systray-whitelist "['all']" For more help visit: http://noohonlinux.blogspot.in/


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Test this: Open a terminal,Press Ctrl+Alt+T Run it: sudo -i apt-get update apt-get autoremove apt-get clean UNUSCONF=$(dpkg -l|grep "^rc"|awk '{print $2}') apt-get remove --purge $UNUSCONF NEWKERNEL=$(uname -r|sed 's/-*[a-z]//g'|sed 's/-386//g') ADDKERNEL="linux-(image|headers|ubuntu-modules|restricted-modules)" ...


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I believe the "Remove obsolete packages" actually just runs a sudo apt-get autoremove. Try it, see if it helps.


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Looks like pam_kwallet.so is missing. PAM is the authentication module used by lightdm and it wants to load kwallet (I guess that's a KDE keyring) but the library is gone. If you have access (somehow), try to install the package containing the pam_kwalet.so, or try to configure PAM so that it would not look for this file. Automatically: try running ...


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I violently force the upgrade, by editing my sources.list to only include the 13.10 update sources. Then just apt-get update, upgrade, dist-upgrade, autoremove, autoclean. Surprisingly, later the upgrade to trusty just worked with do-release-upgrade.


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I had the same problem. The upgrades blocked on downloading dropbox. I opened a terminal and killed the dropbox update proces (usr/bin/python /usr/bin/dropbox update). Doing so made the upgrade continue. I will probably have to upgrade dropbox manually after the kubuntu upgrade has finished.


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I tried downloading the playlist in your question, and I got the same error message you did. Rather than update youtube-dl which is working fine the way it is, I went to your playlist webpage, copied the URL and ran the following command from the terminal: lynx --dump "https://www.youtube.com/playlist?list=PLGwhw5SI2xoYKHyzQDj1y2I8vURgm8yd2" | awk ...


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I did had this problem.. Try out this way... Remove the old version of youtube-dl sudo apt-get remove -y youtube-dl Download the latest version from the official website sudo wget https://yt-dl.org/latest/youtube-dl -O /usr/local/bin/youtube-dl Change the permission of the downloaded file sudo chmod a+x /usr/local/bin/youtube-dl Check out this link ...


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CLI way This should be possible by pausing the upgrade process. First run the upgrade process sudo do-release-upgrade Now you should be seeing various output. When you wish, pause the command by giving a SIGTSTP signal by pressing the Ctrl+Z keys. You should now see something like [1]+ Stopped sudo do-release-upgrade You should ...


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Try reinstalling lightgdm sudo apt-get reinstall lightgdm. Otherwise it might be worth reinstalling the system, if you make a bootable usb you can upgrade the system without deleting your files (read carefully when it asks you how to install ubuntu on your hard disk!). Make sure to use the latest version of ubuntu.


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Edit file with text editor program by adding pci=noacpi parameter into syslinux.cfg file in syslinux directory (/syslinux/syslinux.cfg) on your USB. Example : (Before) label live menu label live - boot the Live System kernel /casper/vmlinuz append file=/cdrom/preseed/custom.seed boot=casper initrd=/casper/initrd.gz quiet splash -- (after) label live ...


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I would suggest confirming that your headset works with something like Audacity, and then try reinstalling the Google Hangouts plugin from here. You may also want to remove the Google Hangouts repository using the Software Sources app before attempting to reinstall the plugin. I use this on Ubuntu 14.04 and I was using it on 12.04. I did not do a direct ...


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Open the updatemanager and click on the settings-button (left bottom of the screen) . Now seek for the tab 'updates' and click the selector on the last line (...newer versions of Ubuntu) for LTS (not any version, but only the LTS-version) . You'll be prompted for your password to make the changes valid. Run again for updates (with good working ...


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The problem was solved by: apt-get install memtest86+


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What actually happened in detail is hard to tell, but I'll give an example of the kind of problem. What is important is that the program worked on 10.04, but fails on 14.0. The exact problem could be different, but similar and related: Something is against the rules The error "segmentation fault" usually means some memory was accessed that does not ...


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It took me a while to figure out what went wrong. You will see it in the last line of my sources.list. Therefore, if you have got the same problem as me then what you need to do is to follow this wiki. Then, you will have to make sure that all the ubuntugis or qgis dependencies from the etc/apt/sources.list.d are removed. The code will look like sudo rm ...


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@Gunfus, Yes, I have resolved the problem. The issue in my particular issue was, that thewe super block of my ext4 partition was corrupted. There's instructions on how to fix it: http://linuxexpresso.wordpress.com/2010/03/31/repair-a-broken-ext4-superblock-in-ubuntu/


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I used the Super Grub2 .iso to install a new version of grub to the hard disk.


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I solved my issue with a GUI solution. alt-f2 and at the prompt enter gksu nautilus. Go to var/cache/apt/archives and select all lilypond files (there should be 5). For safety, archive them first, then move them to the trash. Close and run the update manager. It will download the lilypond files again and install them properly.


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Actually you should have done this: sudo apt-get dist-upgrade -y sudo apt-get update


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Brilliant. I had to change only one thing to avoid this error when executing the grub-install command: /usr/bin/grub-bios-setup: warning: Embedding is not possible. GRUB can only be installed in this setup by using blocklists. However, blocklists are UNRELIABLE and their use is discouraged.. /usr/bin/grub-bios-setup: error: will not proceed with blocklists. ...


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I think it's a perl version issue, check what perl version did you use previously to run that script. What I'm sure about is that Ubuntu installs the latest stable version of every software. Take for example if you have a python3 script that runs on ubuntu 12.04 it might not work on ubuntu 14.04, and the reason for that is the firs has python 3.2, when the ...


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Download 14.04 .iso image from ubuntu.com. Burn .iso onto flash drive by using ubuntu cd burner application. Boot your computer with your flash drive and see if it is stable. If so install it by clicking install icon on your desktop.


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@Eduard, based on my experience, I don't think upgrading directly from Ubuntu 7.10 will work, because there are just too many releases in between them. Your old apt-get is probably not able to install the latest packages and perform all checks required. I could think of doing incremental upgrades to 8.04(LTS), 10.04(LTS), 12.04(LTS) and 14.04(LTS), but ...


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You can lock a package with sudo apt-mark hold packagename command.


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$ENV{PERL_LWP_SSL_VERIFY_HOSTNAME} = 0 This was a bug in LWP (CVE-2014-3230) which was fixed in newer versions. PERL_LWP_SSL_VERIFY_HOSTNAME is only used to omit verifying the hostname in the certificate, not the certificate chain. But, because you are using a self-signed certificate chain verification will fail. This option was only introduced for ...


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Installing grub2 in a RAID-setup fails, because device naming is somehow changed with the update, but the runnig system not yet rebooted uses a different naming scheme. Just cancel grub-install when it failes and reboot. The formerly installed grub still points to a valid kernel and can boot without any problem. After rebooting, grub installs without any ...


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The simple configuration would be this: UUID="01CCD01C97D32280" /media/etc ntfs 0 0 0 Here /media/etc is the folder where you want to mount your disk ntfs is the format of partition. Rest values wouldn't be neccessary for plain auto-mounting and if you want advanced configuration, manual is always there. Link to the manual ...


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Use the blkid command to get the UUID of the partition on the external disk: $ sudo blkid | grep sdb1 /dev/sdb1: UUID="cdff3742-9d03-4bc1-93e3-ae50708474f2" TYPE="ext4" The corresponding fstab entry will look like UUID="cdff3742-9d03-4bc1-93e3-ae50708474f2" /media/u10 auto defaults,nofail 0 0


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Try using these commands: sudo ./cpupowerd --freq "0|1800" sudo ./cpupowerd --freq "0|1600" sudo ./cpupowerd --freq "0|800"


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I had the same problem after upgrading debian squeeze to jessie, and then further to unstable. The problem is, that you have an old version of libxml2 library in your local folder /usr/local/lib. You most likely have the correct version installed by your package manager in /usr/lib/x86_64-linux-gnu/, however library in local folder has a higher priority and ...


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Please check your Software & Updates settings, check whether you selected united states server or main server.? please select it to United States Server. let me check then


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NO it will not delete or damage your files. But having a backup is never wrong. In rare cases the upgrade will fail. I mostly re-install Ubuntu from scratch instead of jumping from 12.04 to 14.04.


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Create a fresh install my friend. Its always recommended to instead of an major LTS upgrades as some files remain residuals. Its great you have windows7 running alternatively hence to start your startup USB installation from there. Most importantly backup your data, I'm pretty much synced with Dropbox 24/7.


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I have never used it, so I can't vouch for it, but there's a PPA available: RoundCube Backport PPA. This will let you use v1.0.3 while still using the package manager.


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Try running: sudo chown -R /path/to/my/folder $USER:$USER This will change the owner of the directory to give you access again.


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You can open a terminal and run sudo nautilus. You should gain access to your files.


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apt-get install libnss-winbind libpam-winbind worked for me too. After the upgrade from 12.04 to 14.04 active directory users were prompted for a username and password when trying to access shares and their network drives wouldn't map. After running the above command and 'service smbd restart' to restart the samba service it all worked perfectly. Had users ...


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In case above solution won't work try this one below: Remove the existing trusted GPG key from the folder /etc/apt/trusted.gpg.d/ Then run the command: sudo apt-key update Then try to run: sudo apt-get update


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The problem was due to the restriction in my country. As @remyseroos suggested me, I tried to open the URL (https://dl-ssl.google.com/linux/linux_signing_key.pub) in my browser and I found out it's not loading properly. So I just used a proxy and problem solved!


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It sounds like that 'at the lab' you are running Ubuntu Gnome, and at home you are running Ubuntu Unity. You can find information on the two at Difference between Unity and GNOME


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It can be done using apt-get easily . First create a source list which contain only security repo. sudo -i grep security /etc/apt/sources.list > /etc/apt/sources.seurity.list Now upgrade your system using this list apt-get upgrade -o Dir::Etc::SourceList=/etc/apt/security.sources.list I am not 100% sure about synaptic, but synaptic has a section ...


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Repair solve your problem. 1st option : get a disk including Boot-Repair The easiest way to use Boot-Repair is to burn one of the following disks and boot on it. Boot-Repair-Disk is a disk starting Boot-Repair automatically. Boot-Repair is also included in Linux-Secure-Remix. Remark : you can also install the ISO on a live-USB (eg via UnetBootin or ...


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I had the same situation. It appears that the grub that is booted is obsolete and can't load the required modules. I tried many things, none of them worked. In my case, I saw (hd0) (hd0,msdos2) (hd0,msdos1) The msdos2 had grub directory in it and modules in /grub/i386-pc, but I could not insmod anything really. It was giving me all sorts of errors, ...


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Problem is resolved by changing apt-get repository host from lv.archive.ubuntu.com to archive.ubuntu.com. Apparrently mirror is not up to date or has some configuration issues.


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The process was hanging on the prerm and postrm scripts for the following packages: Preparing to unpack .../libdbus1.0-cil_0.7.0-5ubuntu1_all.deb ... Removing libdbus1.0-cil from Mono -- Preparing to unpack .../libdbus-glib1.0-cil_0.5.0-4ubuntu1_all.deb ... Removing libdbus-glib1.0-cil from Mono -- Preparing to unpack .../libgdata2.1-cil_2.2.0.0-2_all.deb ...


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There are no Ubuntu repositories for the armhf architecture. To upgrade, you need to disable the support for this arch during the release upgrade. Find out, what packages built for armhf you have installed: dpkg -l | grep armhf Uninstall these packages, if there are any. They cannot be upgraded automatically. Remove armhf from the multiarch system: sudo ...


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Open a terminal and type as it says: sudo dpkg --configure -a


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I recommend you wait for maas 1.6 to be merged into the trusty default ppa. Running the upgrade with ppa:maas-maintainers/stable, it appeared to work initially. I have found a number of migration issues such as maas being unable to match nodes to pre-existing tags.


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Use rsync to sync the two directories: rsync -aP /home/nicolo/ /home/nico Once you're satisfied that all the data is now available in your new home directory, feel free to delete the old one (rsync has an option to delete files after copying, but still...). Also note the / after nicolo - it's needed to make rsync sync the directories instead of making a ...



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