JigdoDownloadHowto
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| ||<tablestyle="float:right; font-size: 0.9em; width:40%; background:#F1F1ED; margin: 0 0 1em 1em;" style="padding:0.5em;">'''Contents'''[[BR]][[TableOfContents(2)]]|| == Definition == Jigdo (JIGsaw-DOwnload) can be used to efficiently download daily CD builds or update existing .iso images without the need to re-download the entire CD image. It simply checks for differences or updates between an existing CD image (on your system) and the latest released image. == Installation == Install the required packages for Jigdo. {{{ jigit jigdo jigdo-file }}} == Use & Example using Ubuntu 6.04 (Dapper Drake) == Start the program from the terminal: {{{ jigdo-lite }}} === Supply the .jigdo file === The program then asks you for the URL to the .jigdo template you want to download. {{{ Jigsaw Download "lite" Copyright (C) 2001-2004 | jigdo@ Richard Atterer | atterer.net Getting mirror information from /etc/apt/sources.list ----------------------------------------------------------------- To resume a half-finished download, enter name of .jigdo file. To start a new download, enter URL of .jigdo file. You can also enter several URLs/filenames, separated with spaces, or enumerate in {}, e.g. `http://server/cd-{1_NONUS,2,3}.jigdo' '''jigdo''': }}} In this situation we'll use [http://cdimage.ubuntulinux.org/daily/current/dapper-install-i386.jigdo Current Daily Build] (copy link-location & paste into prompt above) === Supply previous CD image === Jigdo will then download a copy of the .jigdo file and prompt you for any previous images you have to base the download from. Here you can point Jigdo to an existing burned copy of the CD image. (ie; /media/cdrom) {{{ If you already have a previous version of the CD you are downloading, jigdo can re-use files on the old CD that are also present in the new image, and you do not need to download them again. Mount the old CD ROM and enter the path it is mounted under (e.g. `/mnt/cdrom'). Alternatively, just press enter if you want to start downloading the remaining files. }}} === Comparing files === Jigdo then scans the existing files & compares them with the latest copies from the .jigdo template. {{{ Found xxxx of the xxxx files required by the template Copied input files to temporary file `dapper-install-i386.iso.tmp' - repeat command and supply more files to continue }}} At this point you can include any additional sources you might have (optional) or press '''ENTER''' to continue to the next step. If you have no additional sources you can press '''ENTER''' twice and it will download the remaining packages that it needs. This, again, significantly cuts down on bandwidth and download time & easily keeps you up to date on the latest daily builds. == Links == * ["BurningIsoHowto"] Instructions on Burning the finished CD image CategoryDocumentation |
#REFRESH 0 http://help.ubuntu.com/community/JigdoDownloadHowto |
JigdoDownloadHowto (last edited 2008-08-06 16:31:29 by localhost)