redhat? 5.5 配置网络yum源

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以下为配置文件/etc/yum.repos.d/rhel-media.repo

#?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.??
#??
#??
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[base]??
name=CentOS-5?-?Base??
#mirrorlist=http://mirrorlist.centos.org/?release=5&arch=$basearch&repo=os??
#baseurl=http://mirror.centos.org/centos/5/os/$basearch/??
baseurl=http://vault.centos.org/5.11/os/$basearch/??
gpgcheck=1??
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5??
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#released?updates???
[updates]??
name=CentOS-5?-?Updates??
#mirrorlist=http://mirrorlist.centos.org/?release=5&arch=$basearch&repo=updates??
#baseurl=http://mirror.centos.org/centos/5/updates/$basearch/??
baseurl=http://vault.centos.org/5.11/updates/$basearch/??
gpgcheck=1??
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5??
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#additional?packages?that?may?be?useful??
[extras]??
name=CentOS-5?-?Extras??
#mirrorlist=http://mirrorlist.centos.org/?release=5&arch=$basearch&repo=extras??
#baseurl=http://mirror.centos.org/centos/5/extras/$basearch/??
baseurl=http://vault.centos.org/5.11/extras/$basearch/??
gpgcheck=1??
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5??
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#additional?packages?that?extend?functionality?of?existing?packages??
[centosplus]??
name=CentOS-5?-?Plus??
#mirrorlist=http://mirrorlist.centos.org/?release=5&arch=$basearch&repo=centosplus??
#baseurl=http://mirror.centos.org/centos/5/centosplus/$basearch/??
baseurl=http://vault.centos.org/5.11/centosplus/$basearch/??
gpgcheck=1??
enabled=0??
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5??
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#contrib?-?packages?by?Centos?Users??
[contrib]??
name=CentOS-5?-?Contrib??
#mirrorlist=http://mirrorlist.centos.org/?release=5&arch=$basearch&repo=contrib??
#baseurl=http://mirror.centos.org/centos/5/contrib/$basearch/??
baseurl=http://vault.centos.org/5.11/contrib/$basearch/??
gpgcheck=1??
enabled=0??
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5</span></strong></span>

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更新yum源：

yum clean all?

yum makecache

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若makecache报错，导入新的GPG-KEY再执行一次即可搞定

rpm --import http://centos.ustc.edu.cn/centos/RPM-GPG-KEY-CentOS-5

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