由于RedHat是商業(yè)版的，通常由于沒(méi)有注冊(cè)，導(dǎo)致yum程序無(wú)法使用（linux下面，yum是個(gè)安裝軟件的“神器”）。此時(shí)可用CentOS的地址進(jìn)行替換。下面將一步步說(shuō)明如何處理：
一、刪除RedHat自帶的yum相關(guān)文件
1、文件位置：/etc/yum.conf和/etc/yum.repo.d/rhel-debuginfo.repo；
2、可以通過(guò)FTP方式刪除，或者直接采用命令。
二、重新配置yum相關(guān)文件
1、配置yum.conf,創(chuàng)建yum.conf文件，再進(jìn)行編輯即可；
yum.conf內(nèi)容，可直接拷貝，如下：
[main]cachedir=/var/cache/yumkeepcache=1debuglevel=2logfile=/var/log/yum.logpkgpolicy=newestdistroverpkg=redhat-releasetolerant=1exactarch=1obsoletes=1gpgcheck=1plugins=1metadata_expire=1800
粘貼完成后，保存后即可?？赏ㄟ^(guò)命令查看，是否一致。
2、配置rhel-debuginfo.repo,創(chuàng)建rhel-debuginfo.repo文件，再進(jìn)行編輯即可（本文以CentOS5 64位地址為準(zhǔn)）；
具體操作，同1，這里只把內(nèi)容展示如下：
[base]name=centos-5 - Basebaseurl=http://centos.ustc.edu.cn/centos/5/os/x86_64/# the other site:# you can find more site in: ?id=13enabled=1gpgcheck=1gpgkey=http://centos.ustc.edu.cn/centos/5/os/x86_64/RPM-GPG-KEY-CentOS-5#released updates[update]name=CentOS-5 - Updatesbaseurl=http://mirror.centos.org/centos/5/updates/x86_64/gpgcheck=1gpgkey=http://centos.ustc.edu.cn/centos/5/os/x86_64/RPM-GPG-KEY-CentOS-5#packages used/PRoduced in the build but not released[addons]name=CentOS-5 - Addonsbaseurl=http://mirror.centos.org/centos/5/addons/$basearch/gpgcheck=1gpgkey=http://centos.ustc.edu.cn/centos/5/os/x86_64/RPM-GPG-KEY-CentOS-5#additional packages that may be useful[extras]name=CentOS-5 - Extrasbaseurl=http://mirror.centos.org/centos/5/extras/$basearch/gpgcheck=1gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-centos4#additional packages that extend functionality of existing packages[centosplus]name=CentOS-5 - Plusbaseurl=http://mirror.centos.org/centos/5/centosplus/$basearch/gpgcheck=1enabled=0gpgkey=http://centos.ustc.edu.cn/centos/5/os/x86_64/RPM-GPG-KEY-CentOS-5#contrib - packages by Centos Users[contrib]name=CentOS-5 - Contribbaseurl=http://mirror.centos.org/centos/5/contrib/$basearch/gpgcheck=1enabled=0gpgkey=http://centos.ustc.edu.cn/centos/5/os/x86_64/RPM-GPG-KEY-CentOS-5#packages in testing[testing]name=CentOS-5 - Testingbaseurl=http://mirror.centos.org/centos/5/testing/$basearch/gpgcheck=1enabled=0gpgkey=http://centos.ustc.edu.cn/centos/5/os/x86_64/RPM-GPG-KEY-CentOS-5
備注：如果是32為系統(tǒng)，只需把X86_64全部替換成i386即可。
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