いつもすっかり忘れて調べなおしているのでメモメモ。
Debian Linux パッケージ導入のため、意図的にではなく単に最適なサーバーを選ぶのを自動化してくれるのが netselect パッケージに含まれる netselect-apt スクリプト。
testing とかをコマンドラインで指定すれば testing 向けの設定になるとか。今は sarge にしたてなのでしばらく stable でいいかしら。
以下、実行例。APT HOWTO - 基本的な設定
2.3 sources.list ファイルに記述すべき最適なミラーサイトの決定: netselect, netselect-apt
(中略)
バージョン 0.3 から、netselect パッケージには netselect-apt というスクリプトが含まれるようになりました。これは上記の プロセスを自動的に行なってくれるものです。ディストリビューションの 種類 (デフォルトは stable) をパラメータとして実行するだけで、最適な main と non-US のミラーが記述された sources.list が生成され、 今いるディレクトリ内に配置されます。以下は、stable ディストリ ビューション用の sources.list を生成する例です。
bash$ ls sources.list
ls: sources.list: File or directory not found
bash$ netselect-apt stable
(...)
bash$ ls -l sources.list
sources.list
bash$
注記: sources.list ファイルは、コマンドを 実行したディレクトリ内に生成されます。その後、/etc/apt/ ディレクトリに移動しなければなりません。
almond:~# netselect-apt
Using distribution stable.
Retrieving the list of mirrors from www.debian.org...
--12:59:54-- http://www.debian.org/mirror/mirrors_full
=> `mirrors_full'
Resolving www.debian.org... 194.109.137.218
Connecting to www.debian.org[194.109.137.218]:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 174,758 [text/html]
100%[====================================>] 174,758 75.97K/s
13:00:02 (75.86 KB/s) - `mirrors_full' saved [174758/174758]
Choosing a main Debian mirror using netselect.
netselect: unknown host dennou-t.ms.u-tokyo.ac.jp
netselect: unknown host debian.luxadmin.org
netselect: unknown host debian.psu.ru
netselect: unknown host ftp.lugs.org.sg
Running netselect to choose 1 out of 317 addresses.
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The fastest server seems to be:
http://203.174.65.26/archives/linux/debian/debian/
Choosing a non-US Debian mirror using netselect.
netselect: unknown host dennou-t.ms.u-tokyo.ac.jp
netselect: unknown host debian.luxadmin.org
netselect: unknown host debian.psu.ru
Running netselect to choose 1 out of 247 addresses.
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The fastest non-US server seems to be:
http://ftp.cl.debian.org/debian-non-US/
Writing sources.list.
Done.
almond:~#
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