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• web browsing vs. torrent traffic, and bandwidth priority?

  - by suli8

  recently i did download big torrent files. (120 Gb). and i need to seed them back to at least 1.5 ratio. my upload speed is 130 Kb/s max. the problem is that i need to seed them as fast as possible. but i browse the web a lot. and browsing with no upload left, can be very frustrating. I'm looking for something like this, torrent are on max. seeding rate, but when the browser needs the bandwidth, it gets it. priority is to web browser, but when not needed, torrent can be at max. i'm aware that i can change torrent client max speed. but doing it manually everytime and every 5 minutes or so, is hard. Info: i'm using firefox/chrome my torrent client is Ktorrent i'm on 11.10 with unity i do have a router, it's a HAG. and i can't access all it's properties. is this possible even? changing the priority in the system monitor for the applications can do the job?the nice value i mean. is there a way to set priority bandwidth usage for different apps? thank you!

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• Why do the GNOME symbolic icons appear darker in a running application?

  - by David Planella

  I'm creating an application that uses symbolic icons from the default theme. However, there are a few icons that I need that cannot be represented by those from the default theme, so I'm creating my own ones. What I did was to simply go to /usr/share/icons/gnome/scalable/actions/, copied a few locally into my app's source tree that could serve as a basis, and started editing them. So far so good. But I've noticed the following: all symbolic icons are of a light grey color when looking at the original .svg file, but when they are put onto a widget, they become darker. Here's an example, using the /usr/share/icons/gnome/scalable/actions/view-refresh-symbolic.svg icon from the default theme: Here's what it looks like when opening the original with Inkscape: And here's what it looks like on a toolbar on a running application: Notice the icon being much darker at runtime. That happens both with the Ambiance and Radiance themes. I wouldn't mind much, but I noticed it affects my custom icon, whereby parts of it become darker (the inner fill), whereas parts of it remain the same color as the original (the stroke). So what causes the default symbolic icons to darken and how should implement that for my custom icons?

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• Suspend fails (reboot on resume) and no hibernate option

  - by Matt Kibble

  Upgraded from 10.04 to 10.10 removed hibernate option for me and introduced the problem where by after entering standby (being indicated by blinking amber LED on my laptop) I cannot resume my session. Instead I get a crash and system reboots (crash comes instantly on trying to resume). Tried clean install to eliminate possibility of an upgrade issue but its still persistent. All latest updates installed. Tried looking for an answer to this but still no joy. Laptop is Sony VGN-FW41E.

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• How to remove the black bar at the top of my screen?

  - by Casper Li

  The display area is not fit to my monitor(1440x900) and there is a black bar at the top of my screen. The bottom of the display area can't be displayed. How can I deal with this problem? Moreover, I don't know how to install my display card's driver(MSI R4770 Cyclone). Do I need to install it? Here are some related pictures : My monitor My monitor Displays xrandr Thank you for your attention

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• Installing Skype on 12.04 64 bit causes errors

  - by Wolfy87

  Hi there I am trying to install Skype through apt-get but I am having some trouble. The Skype package depends on skype-bin which is not found in my list of packages. So when trying to install Skype I get the following error. $ sudo apt-get install skype 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 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: skype : Depends: skype-bin but it is not installable E: Unable to correct problems, you have held broken packages. Does anyone know why this might happen? Am I missing a repository? I get similar results when downloading the .deb from their site. But it complains about ai32-libs not being installable. This is because it depends on another package that does not exist in my list. Please bear in mind that this is a custom install from the company I work for. They have secured it and I think they have updated it over time and skipped versions, possibly breaking things.

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• GUI keyword confusion

  - by richzilla

  Ive been using linux for some time, and ive never quite got my head around the various keywords attached to the GUI. I think i understand the difference between the likes of KDE and Gnome - They are collections of applications and other software that make up a given gui environment. However a quick read through any vaguely technical linux websites will reveal terms like: Murrine Clearlooks GTK Beryl Metacity Window manager Which if im honest, i have no real idea what they mean and how they all relate to each other. Can anybody clarify?

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• Can i make a launcher shortcut perform different actions based on a condition

  - by Nirmik

  What i want to do is pretty simple to understand. I want the same launcher shortcut to act like a ON/OFF swith for eg. Like suppose i have made a launcher to start LAMPP with the command gksudo /opt/lampp/lampp start This works properly to start lampp. Now,what i want to do is,If LAMPP is not on,the launcher should execute the above command and start lampp.While if lampp is on,I want ti to execute the command gksudo /opt/lampp/lampp stop and stop lampp. I want these 2 commands to be executed by the same launcher where the command to be executed is decided on the basis of a condition(LAMPP being ON or OFF in the above example) Can i do this? and how? I guess writing a bash script and then making the launcher execute the bash script would do it.but then how do i check weather lampp is on of off?

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• setup dhcp server - "Job failed to start"

  - by jdicarreira

  I have an eth0 and eth1, eth0 has dynamic ip and on eth1 i setup static ip: auto lo iface lo inet loopback auto eth0 iface eth0 inet dhcp auto eth1 iface eth1 inet static address 10.10.0.1 netmask 255.0.0.0 gateway 10.10.0.1 ` and then i setup the "isc-dhcp-server" with the fowling command: INTERFACES="eth1" Finally... I went to this one "dhcpd.conf", with the fowling comand: default-lease-time 650; max-lease-time 79520; option subnet-mask 255.0.0.0; option broadcast-address 10.10.0.255; option routers 10.10.0.2; subnet 10.10.0.0 netmask 255.0.0.0 { range 10.10.0.10 10.10.0.250; } When I try to "sudo /etc/init.d/isc-dhcp-server start", I get "start: Job failed to start" Anyone knows whats wrong? :/

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• Catalyst 12.1 for AGP card

  - by Brian

  I have a Radeon HD 4650 AGP card. The installation instructions at http://wiki.cchtml.com/index.php/Ubuntu_Oneiric_Installation_Guide download catalyst 12.1 However, there is no download available at http://support.amd.com/us/gpudownload/Pages/index.aspx for my AGP card. Only Windows drivers are available. Should I go ahead and use the guide and manually install 12.1? I assume it's not on the amd website for a reason, but I was wondering if anybody had any experience with this. Thanks!

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• the correct way to deal with gtk_events_pending and gtk_main_iteration

  - by abd alsalam

  I have program that send files and i want to make a progress bar for it, but that progress bar just updated after the transferring complete,so i putted a gtk_events_pending() and gtk_main_iteration() functions in the sending loop to go back to the gtk main loop to update the progress bar but also it seems to not work here is a EDIT: the send function is in a separated thread snippet from my code float Percent = 0.0 ; float Interval = 0.0 ; the sending function gint SendTheFile ( ) { char FileBlockBuffer[512]; bzero(FileBlockBuffer, 512); int FileBlockSize ; FILE * FilePointer ; int filesize = 0 ; FilePointer = fopen(LocalFileName , "r"); struct stat st; stat(LocalFileName, &st); filesize = st.st_size; Interval = (512 / (float)filesize) ; while((FileBlockSize = fread(FileBlockBuffer,sizeof(char),512,FilePointer))>0) { send(SocketDiscriptor , FileBlockBuffer , FileBlockSize,0); bzero(FileBlockBuffer, 512); Percent = Percent + Interval ; if (Percent > 1.0)Percent = 0.0; while(gtk_events_pending() ) { gtk_main_iteration(); } } update progress bar function gint UpdateProgressBar(gpointer data) { gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(data),Percent); } updating progress bar in the main function g_timeout_add(50,(GSourceFunc)UpdateProgressBar,SendFileProgressBar);

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• Bumblebee [ERROR]Cannot access secondary GPU - error: [XORG]

  - by Lunchbox

  Though this may seem like a duplicate question, none of the suggestions I've seen have worked for me, however nearly all posters get good results. I'll start with hardware: Metabox W350ST notebook Intel Core i7 4700 16GB RAM GTX 765M (with Optimus) 128GB SSD 1TB SSHD My initial error output when trying to optirun a game is: [ERROR]Cannot access secondary GPU - error: [XORG] (EE) NVIDIA(0): Failed to initialize the NVIDIA GPU at PCI:1:0:0. Please [133.973920] [ERROR]Aborting because fallback start is disabled. If anything else is needed to troubleshoot this just let me know. Adding bumblebee.conf: # Configuration file for Bumblebee. Values should **not** be put between quotes ## Server options. Any change made in this section will need a server restart # to take effect. [bumblebeed] # The secondary Xorg server DISPLAY number VirtualDisplay=:8 # Should the unused Xorg server be kept running? Set this to true if waiting # for X to be ready is too long and don't need power management at all. KeepUnusedXServer=false # The name of the Bumbleblee server group name (GID name) ServerGroup=bumblebee # Card power state at exit. Set to false if the card shoud be ON when Bumblebee # server exits. TurnCardOffAtExit=false # The default behavior of '-f' option on optirun. If set to "true", '-f' will # be ignored. NoEcoModeOverride=false # The Driver used by Bumblebee server. If this value is not set (or empty), # auto-detection is performed. The available drivers are nvidia and nouveau # (See also the driver-specific sections below) Driver=nvidia # Directory with a dummy config file to pass as a -configdir to secondary X XorgConfDir=/etc/bumblebee/xorg.conf.d ## Client options. Will take effect on the next optirun executed. [optirun] # Acceleration/ rendering bridge, possible values are auto, virtualgl and # primus. Bridge=auto # The method used for VirtualGL to transport frames between X servers. # Possible values are proxy, jpeg, rgb, xv and yuv. VGLTransport=proxy # List of paths which are searched for the primus libGL.so.1 when using # the primus bridge PrimusLibraryPath=/usr/lib/x86_64-linux-gnu/primus:/usr/lib/i386-linux-gnu/primus # Should the program run under optirun even if Bumblebee server or nvidia card # is not available? AllowFallbackToIGC=false # Driver-specific settings are grouped under [driver-NAME]. The sections are # parsed if the Driver setting in [bumblebeed] is set to NAME (or if auto- # detection resolves to NAME). # PMMethod: method to use for saving power by disabling the nvidia card, valid # values are: auto - automatically detect which PM method to use # bbswitch - new in BB 3, recommended if available # switcheroo - vga_switcheroo method, use at your own risk # none - disable PM completely # https://github.com/Bumblebee-Project/Bumblebee/wiki/Comparison-of-PM-methods ## Section with nvidia driver specific options, only parsed if Driver=nvidia [driver-nvidia] # Module name to load, defaults to Driver if empty or unset KernelDriver=nvidia PMMethod=auto # colon-separated path to the nvidia libraries LibraryPath=/usr/lib/nvidia-current:/usr/lib32/nvidia-current # comma-separated path of the directory containing nvidia_drv.so and the # default Xorg modules path XorgModulePath=/usr/lib/nvidia-current/xorg,/usr/lib/xorg/modules XorgConfFile=/etc/bumblebee/xorg.conf.nvidia ## Section with nouveau driver specific options, only parsed if Driver=nouveau [driver-nouveau] KernelDriver=nouveau PMMethod=auto XorgConfFile=/etc/bumblebee/xorg.conf.nouveau DRIVER VERSION - Output of jockey-text -l: nvidia_304_updates - nvidia_304_updates (Proprietary, Enabled, Not in use)

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• Inconsistency between date-time in terminal and clock

  - by Franck

  I can't figure out why I have 5 hours difference between GUI clock and date command in terminal. My bios clock is set to GMT... Any ideas ? franck@franck-ThinkPad-T61:~$ date mercredi 11 avril 2012, 02:48:47 (UTC-0500) franck@franck-ThinkPad-T61:~$ sudo dpkg-reconfigure tzdata Current default time zone: 'Europe/Paris' Local time is now: Wed Apr 11 09:49:02 CEST 2012. Universal Time is now: Wed Apr 11 07:49:02 UTC 2012. franck@franck-ThinkPad-T61:~$ tail /etc/timezone Europe/Paris franck@franck-ThinkPad-T61:~$ date mercredi 11 avril 2012, 02:49:21 (UTC-0500) franck@franck-ThinkPad-T61:~$ sudo dpkg-reconfigure --frontend noninteractive tzdata Current default time zone: 'Europe/Paris' Local time is now: Wed Apr 11 09:49:27 CEST 2012. Universal Time is now: Wed Apr 11 07:49:27 UTC 2012. franck@franck-ThinkPad-T61:~$ date mercredi 11 avril 2012, 02:49:30 (UTC-0500) franck@franck-ThinkPad-T61:~$ sudo cat /etc/default/rcS # # /etc/default/rcS # # Default settings for the scripts in /etc/rcS.d/ # # For information about these variables see the rcS(5) manual page. # # This file belongs to the "initscripts" package. TMPTIME=0 SULOGIN=no DELAYLOGIN=no UTC=yes VERBOSE=no FSCKFIX=no franck@franck-ThinkPad-T61:~$ sudo hwclock --show mer. 11 avril 2012 07:49:48 CDT -0.555705 secondes

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• React to a modified directory

  - by Ghanshyam Rathod

  In linux everything is considered as file, Now if I want to find only folders/directories not the files then how can i do that? I am getting all the modified files with the following command. find /Users/ghanshyam -type f -mmin -5 -print My goal is to generate the log file with all the modified/access folders. Here two options are available. create a module and call every time when a folder is modified (this one is bit difficult because I need to check particular event) create a cron task that will run after every 5 minutes. cron task will execute shell script and generate the log entries with the modified folders. Do you have any other option to do this task ?

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• Apache 301 redirection from one domain to another

  - by Sebastien Lachance

  I'm trying to set a redirection in my VirtualHost configuration for my website. So far I am able to redirect non www trafficto the www address like this : <VirtualHost: *:80> ServerAlias www.gcbeauce.com RewriteEngine on RewriteCond %{HTTP_HOST} ^guidedescommercesdebeauce\.com$ [NC] RewriteRule ^(.*)$ http://www.guidedescommercesdebeauce.com$1 [R=301,L] But what I also want is to redirect the old domain to this new one. I have tried adding : RewriteEngine on RewriteCond %{HTTP_HOST} ^guidedescommercesdebeauce\.com$ [NC] RewriteCond %{HTTP_HOST} ^gcbeauce\.com$ [NC] RewriteRule ^(.*)$ http://www.guidedescommercesdebeauce.com$1 [R=301,L] But nothing happens. Am I missing something here?

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• How to use a zenity progress bar with cclive

  - by Winael

  I tried to use a zenity progress bar with cclive. I'm writting a script to download web videos files and I wanna see the progression of the download. But when I try something like $cclive <url> 2>&1 | zenity --progress But when I execute the command line but it not seems to work. Any idea of how I can do that ? BR, [Edit] cclive have this kind of output : cclive http://www.youtube.com/watch?v=youtubevideo Checking ... .......... ..........done. youtubevideo.flv 2.5M 75.8K/s 00:09:29 5% So I need to send the last part to sdout but I dont know how. Else and about pulsate, we can't see th progression with this option, and I really need it... So I will not using pulsate for this script.

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• Permissions issues with mounting remote server into a specific folder

  - by Patrick

  I'm doing the following to mount a remote server to a specific path on my server: sshfs [email protected]:/backup/folder/ /home/myuser/server-backups/ However when I mount the server the folder permissions change (they become 700), and when I test my rsnapshot.conf file I get the following error: snapshot_root /home/myuser/server-backups/ - snapshot_root exists \ but is not readable What am I doing wrong ? should I mount the remote server with another user ?

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• changing system terminal colours?

  - by user88561

  So I have my computer set up just the way I want, with gnome 3 in my favorite color scheme, and the terminal in a matching background/text color scheme. Even the login screen has my Desktop background. However it is a little jarring when I shut down/use grubby and its in the default maroon and white scheme. Is there any way to change this to make it more similar to my own color scheme in terminal?

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• Monitor displays "No VGA signal" "Check DVI cable" after installing motherboard drivers

  - by user1604220

  I bought computer with all of the needed parts, got everything sorted out, installed windows 7 but my CD-ROM doesn't fit my motherboard. So I had to download the driver manually and install it using USB disc. My motherboard: ECS elitegroup H61H2-M2, I downloaded it's drivers, installed the BIOS map or something, and then the computer forced a reboot after it was complete, after the reboot my monitor just stopped working and displayed No VGA signal, No DVI cable I think I've just installed the wrong driver, well but how can I sort it out? This is the driver I installed. On the book, it tells me to install the drivers, without the driver it won't see the Internet connection cable. I'm 100% sure there is nothing wrong with the monitor or it's cables. it stopped working exactly after the reboot after the installation.

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• Error while installing Komparator4

  - by Lucio

  I downloaded Komparator source from this page. The INSTALL file in the source say the following: Unpack komparator4-xxx.tar.bz2, and open a shell inside this directory mkdir build cd build cmake -DCMAKE_INSTALL_PREFIX=`kde4-config --prefix` .. make sudo make install I unpacked the file, make the directory, entered this, but when I have tried to cmake (sentece Nº3) the terminal print the following errors disabling me to make & install: CMake Error at /usr/share/cmake-2.8/Modules/FindKDE4.cmake:98 (MESSAGE): ERROR: cmake/modules/FindKDE4Internal.cmake not found in /home/lucio/.kde/share/apps;/usr/share/kde4/apps Call Stack (most recent call first): CMakeLists.txt:2 (find_package) CMake Warning (dev) in CMakeLists.txt: No cmake_minimum_required command is present. A line of code such as cmake_minimum_required(VERSION 2.8) should be added at the top of the file. The version specified may be lower if you wish to support older CMake versions for this project. For more information run "cmake --help-policy CMP0000". This warning is for project developers. Use -Wno-dev to suppress it. -- Configuring incomplete, errors occurred! What mean this errors and how can I fix it?

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• VLC doesnot play any file [ any video/.mp3] in local machine , closes when a file is opened

  - by hsemarap

  When I run vlc from terminal I get: In the VLC dialog box: Your input can't be opened: VLC is unable to open the MRL 'file:///media/Ent/movies/the%20mask.avi'. Check the log for details. In terminal: VLC media player 2.0.1 Twoflower (revision 2.0.1-0-gf432547) [0x8fe8f8] main input error: open of `file/xspf-open:///home/para/.local/share/vlc/ml.xspf' failed [0x8fe8f8] main input error: Your input can't be opened [0x8fe8f8] main input error: VLC is unable to open the MRL 'file/xspf-open:///home/para/.local/share/vlc/ml.xspf'. Check the log for details. [0x8f1aa8] main interface error: no suitable interface module [0x8f9b08] main interface error: no suitable interface module [0x8be008] main libvlc error: option http-user-agent does not exist [0x8be008] main libvlc: Running vlc with the default interface. Use 'cvlc' to use vlc without interface. [0x8f9b08] qt4 interface error: Unable to load extensions module [0x7f5280000b78] main input error: open of `file:///media/Ent/movies/the%20mask.avi' failed [0x8fc718] main playlist error: could not export playlist

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• virt-install says name is in use, but virsh list --all is empty. Where is virt-install finding this name?

  - by Jay _silly_evarlast_ Wren

  virt-install says name is in use, but virsh list --all says there is nothing. jrwren@delays:{%22}~ $ virt-install -d -n android -r 512 --disk android.qcow2 -s 4 -c /d/cd\ images/android-x86-2.2-generic.iso --vnc --noautoconsole [Thu, 05 Jul 2012 16:57:19 virt-install 23170] DEBUG (cli:220) Launched with command line: /usr/bin/virt-install -d -n android -r 512 --disk android.qcow2 -s 4 -c /d/cd images/android-x86-2.2-generic.iso --vnc --noautoconsole [Thu, 05 Jul 2012 16:57:19 virt-install 23170] DEBUG (cli:326) Requesting libvirt URI default [Thu, 05 Jul 2012 16:57:19 virt-install 23170] DEBUG (cli:328) Received libvirt URI qemu:///session [Thu, 05 Jul 2012 16:57:20 virt-install 23170] DEBUG (virt-install:259) Requesting virt method 'default', hv type 'default'. [Thu, 05 Jul 2012 16:57:20 virt-install 23170] DEBUG (virt-install:469) Received virt method 'hvm' [Thu, 05 Jul 2012 16:57:20 virt-install 23170] DEBUG (virt-install:470) Hypervisor name is 'kvm' [Thu, 05 Jul 2012 16:57:20 virt-install 23170] DEBUG (cli:950) --graphics compat generated: vnc [Thu, 05 Jul 2012 16:57:20 virt-install 23170] ERROR (cli:597) Guest name 'android' is already in use. (venv)jrwren@delays:{%22}~ $ sudo virsh -c qemu:///system list --all Id Name State ---------------------------------- Where is virt-install finding this name? edit: I should mention that LIBVIRT_DEFAULT_URI is not set.

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• Screencast not producing files

  - by JohnS

  I'm using Gnome 3 on 12.04 and trying to create a screencast. I start the screencast using the Ctrl-Alt-Shift-R shortcut and the red light appears in the bottom right corner. I go about my business then press the key combination again when done. The problem is that the screencast file gets generated maybe 1 out of 10 times. Is there a log file I can look at to determine the issue? How about a settings file? UPDATE: I did some additional testing. What's happening is that the screencast does work but it appends the new video to the existing file. Even if the file is renamed or moved to trash. Emptying trash does not create a new file either. Not sure where the video gets recorded to then. The only reliable way I've found to have a new file created is to log out of the session and log back in. Is this expected behaviour? Is there a way to force screencast to create a new file every time Ctrl-Alt-Shift-R is pressed?

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• lsusb - where device description comes from

  - by tommyk

  For one of my attached USB devices (2773:0104) I see no description in lsusb command output: user@Thinkpad-Laptop:~/binaries$ lsusb Bus 008 Device 002: ID 0a5c:217f Broadcom Corp. Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 036: ID 2773:0104 Where USB description is comming from, is it from device driver or is it stored in the hardware itself ?

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• Where should I store 3rd party jar (Java archive) files?

  - by Martijn

  Hi folks, What would be the best place to save jar files of libraries I want to use in a project, that are not in any repositories, and how should I set permissions? Should I put them in /usr/share/java, or is it better to store them somewhere in my home folder? What would be the most usefull access rights? Does it make sense to follow the convention in /usr/share/java of making a symlink with the package name to the specific version of the jar, and follow the permissions as used there?

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• IPv6 tunnels - any easy way to turn them on and off?

  - by Rob Hoare

  I've set up a tunnelbroker.net (Hurricane Electric) IPv6 tunnel from my laptop running 12.04. Works fine, and allows me to test the dual-stack configuration on my remote webservers etc. until native IPv6 is available on my ISP. However, there are times when I don't want the tunnel. For example if I'm accessing something that requires an IPv4 address in my own country rather than the Tunnelbroker tunnel endpoint, or if I'm away from the local IPv4 tunnel endpoint, or if I simply want to test without IPv6. Is there a simple way to disable and then re-enable the IPv6 tunnel, without rebooting? For context, here's what's in my /etc/network/interfaces (NNN replaces numbers): auto he-ipv6 iface he-ipv6 inet6 v4tunnel endpoint 216.218.NNN.NNN address 2001:470:NNN:NNN::2 netmask 64 up ip -6 route add default dev he-ipv6 down ip -6 route del default dev he-ipv6 Is there a network manager application (gui or command line) to selectively enable/disable parts of /etc/network/interfaces, or IPv6 in general? I found even by commenting out that out (and reloading networking) it's tough to get the IPv6 to go away. A "tunnel on/off" button in networking would be great, like using a VPN.

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