yum-priorities パッケージを導入する
yum を使用する際、yum-priorities パッケージをインストールすることで、リポジトリの優先度を指定することができます。
ここでの説明は、yum-fastestmirror パッケージがインストールされていることを前提とします。
パッケージのインストール
yum-priorities パッケージは、yum コマンドを使用してインストールします。
[root@web ~]# yum install yum-priorities
Loading "fastestmirror" plugin Loading mirror speeds from cached hostfile * base: ftp.iij.ad.jp * updates: ftp.iij.ad.jp * addons: ftp.iij.ad.jp * extras: ftp.iij.ad.jp base 100% |=========================| 1.1 kB 00:00 updates 100% |=========================| 951 B 00:00 addons 100% |=========================| 951 B 00:00 extras 100% |=========================| 1.1 kB 00:00 Setting up Install Process Parsing package install arguments Resolving Dependencies --> Running transaction check ---> Package yum-priorities.noarch 0:1.1.10-9.el5.centos set to be updated --> Finished Dependency Resolution Dependencies Resolved ============================================================================= Package Arch Version Repository Size ============================================================================= Installing: yum-priorities noarch 1.1.10-9.el5.centos base 11 k Transaction Summary ============================================================================= Install 1 Package(s) Update 0 Package(s) Remove 0 Package(s) Total download size: 11 k Is this ok [y/N]: y [ y : 上記パッケージをインストールする | N : インストールを中止する ] Downloading Packages: (1/1): yum-priorities-1.1 100% |=========================| 11 kB 00:00 Running rpm_check_debug Running Transaction Test Finished Transaction Test Transaction Test Succeeded Running Transaction Installing: yum-priorities ######################### [1/1] Installed: yum-priorities.noarch 0:1.1.10-9.el5.centos Complete!
[ CentOS 5 ]
パッケージインストール後の設定
リポジトリの優先度に関する設定は、1 〜 99 の範囲でレベルを設定します。 CentOS の公式リポジトリ（base, updates, addons, extras, centosplus）は優先度を高く、サードパティーのリポジトリなどは優先度を低く設定します。
[root@web ~]# vi /etc/yum.repos.d/CentOS-Base.repo
# CentOS-Base.repo # # This file uses a new mirrorlist system developed by Lance Davis for CentOS. # The mirror system uses the connecting IP address of the client and the # update status of each mirror to pick mirrors that are updated to and # geographically close to the client. You should use this for CentOS updates # unless you are manually picking other mirrors. # # If the mirrorlist= does not work for you, as a fall back you can try the # remarked out baseurl= line instead. # # [base] name=CentOS-$releasever - Base mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os #baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/ gpgcheck=1 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-5 priority=1 #released updates [updates] name=CentOS-$releasever - Updates mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates #baseurl=http://mirror.centos.org/centos/$releasever/updates/$basearch/ gpgcheck=1 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-5 priority=1 #packages used/produced in the build but not released [addons] name=CentOS-$releasever - Addons mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=addons #baseurl=http://mirror.centos.org/centos/$releasever/addons/$basearch/ gpgcheck=1 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-5 priority=1 #additional packages that may be useful [extras] name=CentOS-$releasever - Extras mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras #baseurl=http://mirror.centos.org/centos/$releasever/extras/$basearch/ gpgcheck=1 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-5 priority=1 #additional packages that extend functionality of existing packages [centosplus] name=CentOS-$releasever - Plus mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=centosplus #baseurl=http://mirror.centos.org/centos/$releasever/centosplus/$basearch/ gpgcheck=1 enabled=0 gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-5 priority=1 #contrib - packages by Centos Users [contrib] name=CentOS-$releasever - Contrib mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=contrib #baseurl=http://mirror.centos.org/centos/$releasever/contrib/$basearch/ gpgcheck=1 enabled=0 gpgkey=etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5 priority=1
[ CentOS 6 / CentOS 5 ]