“UbuntuHelp:JigdoDownloadHowto”的版本间的差异
来自Ubuntu中文
小 （新页面: {{From|https://help.ubuntu.com/community/JigdoDownloadHowto}} {{Languages|UbuntuHelp:JigdoDownloadHowto}} === Definition === Jigdo (JIGsaw-DOwnload) can be used to efficiently download ...） |
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Install the required packages for Jigdo. | Install the required packages for Jigdo. | ||
<pre><nowiki> | <pre><nowiki> | ||
| − | sudo aptitude install | + | sudo aptitude install jigdo-file |
</nowiki></pre> | </nowiki></pre> | ||
| − | === Use & Example | + | === Use & Example downloading Ubuntu 7.10 (Gutsy Gibbon development release) === |
| + | '''Note: Using a development release is not recommended unless you do mot mind (possibly frequent) crashes and other problems.''' | ||
| + | |||
Start the program from the terminal: | Start the program from the terminal: | ||
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</nowiki></pre> | </nowiki></pre> | ||
| − | In this situation we'll use [http://cdimage. | + | In this situation we'll use [http://cdimage.ubuntu.com/daily/current/gutsy-alternate-i386.jigdo Current Daily Build] (copy link-location & paste into prompt above) |
==== Supply previous CD image ==== | ==== 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. ( | + | 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. (eg. /media/cdrom) |
<pre><nowiki> | <pre><nowiki> | ||
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<pre><nowiki> | <pre><nowiki> | ||
Found xxxx of the xxxx files required by the template | Found xxxx of the xxxx files required by the template | ||
| − | Copied input files to temporary file ` | + | Copied input files to temporary file `gutsy-alternate-i386.iso.tmp' - repeat command and supply more files to continue |
</nowiki></pre> | </nowiki></pre> | ||
2007年11月22日 (四) 13:18的版本
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目录
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.
sudo aptitude install jigdo-file
Use & Example downloading Ubuntu 7.10 (Gutsy Gibbon development release)
Note: Using a development release is not recommended unless you do mot mind (possibly frequent) crashes and other problems.
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 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. (eg. /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 `gutsy-alternate-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
- UbuntuHelp:BurningIsoHowto Instructions on Burning the finished CD image
