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Thread: HOWTO: Using apt-p2p (torrent) For Faster Upgrades From Hardy To Intrepid

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  1. #1
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    HOWTO: Using apt-p2p (torrent) For Faster Upgrades From Hardy To Intrepid

    HOWTO: Using apt-p2p For Faster Upgrades From Hardy To Intrepid

    Author: ernesto (torrentfreak.com)


    Introduction

    ernesto has today published on TorrentFreak a great howto on how to lessen the burden of the Canonical Servers for the upgrade to the new stable release of Ubuntu 8.10 - Intrepid Ibex. With his permission I publish this howto here also.


    What is apt-p2p?

    According to the Ubuntu package information Apt-P2P is a helper for downloading Debian packages files with APT. It will download any needed files from other Apt-P2P peers in a peer-to-peer manner, and so reduce the strain on the Debian (resp. Ubuntu) mirrors.

    However there is no apt-p2p packages yet in Hardy. However we can use the version directly from Intrepid.


    Step 1: Setting sources.list to a close-local mirror

    First off, it's definitely recommended to reset to a local mirror. This way, you will download any needed files from a closer and supposedly faster source.

    Either do an auto-check: System --> Administration --> Software Sources --> Download From: --> Other --> Select Best Server (this will run a couple hundred tests [takes less than five minutes] and select the best mirror for you. Make sure to remember which mirror it is, because you will need that later.)

    Or select your local mirror yourself according to your country.


    Step 2: Disable 3rd Parties repositories

    It is also very much recommended to disable 3rd party
    repositories! If you don't know exactely what you are doing, go to the 3rd Parties tab and deselect all of the entries there.


    Step 3: Install apt-p2p

    Next you need to install "apt-p2p". Version 0.2.5 is needed because of a major bug in older versions. This is beta software, so it might not be stable for everybody. If it can't download the file via BitTorrent, however, it will revert to http download.

    As apt-p2p is not in the hardy repos yet, we have to fetch it from a server directly. Below I have have two scripts for 32-bit and 64-bit. Use the according one:

    For 32-bit versions use this script:

    Code:
    #!/bin/bash
    
    mkdir /tmp/apt-p2p
    cd /tmp/apt-p2p
    
    wget http://mirror.switch.ch/ftp/mirror/ubuntu/pool/universe/a/apt-p2p/apt-p2p_0.1.5_all.deb
    wget http://mirror.switch.ch/ftp/mirror/ubuntu/pool/main/p/python-debian/python-debian_0.1.11_all.deb
    wget http://mirror.switch.ch/ftp/mirror/ubuntu/pool/main/t/twisted/python-twisted-core_8.1.0-4_all.deb
    wget http://mirror.switch.ch/ftp/mirror/ubuntu/pool/main/t/twisted-web2/python-twisted-web2_8.1.0-1_all.deb
    wget http://mirror.switch.ch/ftp/mirror/ubuntu/pool/main/p/python-pysqlite2/python-pysqlite2_2.4.1-1_i386.deb
    wget http://mirror.switch.ch/ftp/mirror/ubuntu/pool/main/t/twisted/python-twisted-bin_8.1.0-4_i386.deb
    wget http://mirror.switch.ch/ftp/mirror/ubuntu/pool/main/z/zope3/python-zopeinterface_3.3.1-7build1_i386.deb
    
    dpkg -i python-zopeinterface_3.3.1-7build1_i386.deb
    dpkg -i python-twisted-bin_8.1.0-4_i386.deb
    dpkg -i python-twisted-core_8.1.0-4_all.deb
    dpkg -i python-twisted-web2_8.1.0-1_all.deb
    dpkg -i *.deb</pre>
    For 64-bit versions use this script:

    Code:
    #!/bin/bash
    
    mkdir /tmp/apt-p2p
    cd /tmp/apt-p2p
    
    wget http://mirror.switch.ch/ftp/mirror/ubuntu/pool/universe/a/apt-p2p/apt-p2p_0.1.5_all.deb
    wget http://mirror.switch.ch/ftp/mirror/ubuntu/pool/main/p/python-debian/python-debian_0.1.11_all.deb
    wget http://mirror.switch.ch/ftp/mirror/ubuntu/pool/main/t/twisted/python-twisted-core_8.1.0-4_all.deb
    wget http://mirror.switch.ch/ftp/mirror/ubuntu/pool/main/t/twisted-web2/python-twisted-web2_8.1.0-1_all.deb
    wget http://mirror.switch.ch/ftp/mirror/ubuntu/pool/main/p/python-pysqlite2/python-pysqlite2_2.4.1-1_amd64.deb
    wget http://mirror.switch.ch/ftp/mirror/ubuntu/pool/main/t/twisted/python-twisted-bin_8.1.0-4_amd64.deb
    wget http://mirror.switch.ch/ftp/mirror/ubuntu/pool/main/z/zope3/python-zopeinterface_3.3.1-7build1_amd64.deb
    
    dpkg -i python-zopeinterface_3.3.1-7build1_amd64.deb
    dpkg -i python-twisted-bin_8.1.0-4_amd64.deb
    dpkg -i python-twisted-core_8.1.0-4_all.deb
    dpkg -i python-twisted-web2_8.1.0-1_all.deb
    dpkg -i *.deb
    Save the according script into a file called "apt-p2p.sh" on your desktop. Then open a terminal (Applications --> System --> Terminal) and issue those commands (you'll be prompted for your user password):

    Code:
    cd ~/Desktop
    sudo sh apt-p2p.sh

    Those little scripts will create a apt-p2p folder in the /tmp folder.
    Then it will enter that folder.
    Then it will download apt-p2p from the intrepid repositories (they work fine on hardy) including all dependencies.
    At the end it will install them in the required order.



    Step 4: Prepare the sources.list

    Once installed type the following:

    Code:
    sudo cp /etc/apt/sources.list /etc/apt/sources.list-apt-p2p-backup
    gksudo gedit /etc/apt/sources.list
    Now you are looking at the sources.list file for Ubuntu; this specifies which servers to contact for updates and new programs. You should see a bunch of lines that look similar to this:

    Code:
    deb http://archive.canonical.com/ubuntu hardy partner
    deb-src http://archive.canonical.com/ubuntu hardy partner
    deb http://*mirror-address*/ubuntu/ hardy main universe restricted multiverse
    deb-src http://*mirror-address*/ubuntu/ hardy main universe restricted multiverse
    where **mirror-address** is the address of the mirror you chose earlier.

    Don't worry, you may not have all of these, and you may have more. However, you only want to change ones that are similar to these. You want to change these to look like this:

    Code:
    deb http://localhost:9977/archive.canonical.com/ubuntu hardy partner
    deb-src http://localhost:9977/archive.canonical.com/ubuntu hardy partner
    deb http://localhost:9977/*mirror-address*/ubuntu/ hardy main universe restricted multiverse
    deb-src http://localhost:9977/*mirror-address*/ubuntu/ hardy main universe restricted multiverse
    So basically just insert "localhost:9977" after the "http://" Now close the program and save the file.

    Note: If you messed anything up, go back to the terminal and run this command:

    Code:
    sudo cp /etc/apt/sources.list-apt-p2p-backup /etc/apt/sources.list
    This WILL overwrite your sources.list file with your backup and we are almost done!



    Step 5: Update the packages &amp; upgrade to Intrepid

    In order to update the packages now type in the terminal:

    Code:
    sudo apt-get update
    This will update the list of software, as well as fully integrate apt-p2p. If you get any errors, run the following commands (*Warning:* If not done carefully, these commands could destroy your system):

    Code:
    sudo rm -rf /var/cache/apt-p2p/cache/*<br>
    sudo apt-get update
    Once everything looks okay, you'll want to forward the ports for apt-p2p to your system (if you have a router, see http://portforward.com, port for apt-p2p is 9977 TCP and UDP). At this point, you're all set to receive regular updates via BitTorrent. If you want to upgrade to Intrepid ahead of time you may type one of the following commands in the terminal:

    Code:
    sudo update-manager -d
    Click then on the "upgrade" button on the top right of that window and follow the wizard. When asked, that no valid mirror was found and whether it shall replace hardy with intrepid, then select "Yes".

    or

    Code:
    sudo apt-get dist-upgrade
    Note: When issuing a "dist-upgrade" in the terminal you will first need to manually alter the entries in the sources.list from "hardy" to "intrepid".

    Now you're all set, and by using BitTorrent to update Ubuntu you will be updated much faster, and help relieve the strain on the update servers on launch day. As always, tips and suggestions are welcome in the comments.
    Last edited by hyper_ch; October 29th, 2008 at 08:41 PM.

  2. #2
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    Re: HOWTO: Using apt-p2p (torrent) For Faster Upgrades From Hardy To Intrepid

    It is NOT SUPPORTED and NOT RECOMMENDED to directly install Intrepid debs on Hardy. I highly recommend building the necessary packages in a Hardy PPA instead. Proceed at your own risk. In addition, the .debs being installed bypass GPG checking -- there is no guarantee they are authentic.
    Quote Originally Posted by tuxradar
    Linux's audio architecture is more like the layers of the Earth's crust than the network model, with lower levels occasionally erupting on to the surface, causing confusion and distress, and upper layers moving to displace the underlying technology that was originally hidden

  3. #3
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    Re: HOWTO: Using apt-p2p (torrent) For Faster Upgrades From Hardy To Intrepid

    This was working fine and now I receive connection refused to localhost:9977. Other than reverting back, what can I do?

    SOLVED my problem. Just needed to start the background daemon (sudo invoke-rc.d apt-p2p). Which is strange as it is started in every runlevel.
    Last edited by NeoFax; November 12th, 2008 at 04:09 PM.

  4. #4
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    Re: HOWTO: Using apt-p2p (torrent) For Faster Upgrades From Hardy To Intrepid

    neofax:

    maybe have a look at the logs why it went down

  5. #5
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    Re: HOWTO: Using apt-p2p (torrent) For Faster Upgrades From Hardy To Intrepid

    I've made this work on my computer a while ago, in October I think. since then it worked OK but it seems it uses too much of my network and make congestion in times I would least want it ... so, question is simple: how can I revert back to doing updates without p2p? I know that by removing localhost:9977/ in all sources.list entries I will do updates 'normally' but the real question is: how to disable apt-p2p? I have several ideas but I'm not sure so I don't want to make a mistake. I've noticed that there was no updates for some time, but that might be normal ...
    Code:
    /etc/init.d/apt-p2p stop
    works but network traffic doesn't stop with it.
    update1: it works, I've closed ports 9977 and 51413 on router that were assigned to this machine and traffic stopped. now I need just a hint how to stop apt-p2p from getting up on boot so I do not have to stop it. I've made entry in Sessions so, for now it is kind of solved.
    update2: wow, in the meantime my bandwidth got from 1024/128 Kbps to 4096/256 Kbps and I can finally see the benefits since those torrents used a big part of my upload rate and ... never mind now its solved ...
    Last edited by zika; January 2nd, 2009 at 11:34 PM.
    Ignota nulla curatio morbi.

  6. #6
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    Re: HOWTO: Using apt-p2p (torrent) For Faster Upgrades From Hardy To Intrepid

    simply remove the package and restore the sources.list to the original state

  7. #7
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    Re: HOWTO: Using apt-p2p (torrent) For Faster Upgrades From Hardy To Intrepid

    Anyone still using apt-p2p?
    Would like to know if there is a way to limit upload speed in any way. Otherwise I'm afraid my line will soon get clogged.
    Thanks for reply.

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