您好，怎么配置免费的yum，我的linux系统是redhat7， redhat7怎么配置yum源
\u60a8\u597d\uff0c\u600e\u4e48\u914d\u7f6e\u514d\u8d39\u7684yum\uff0c\u6211\u7684linux\u7cfb\u7edf\u662fredhat7\uff0c\u662f\u514d\u8d39\u7684~
1\u3001\u66f4\u6362\u4f7f\u7528\u963f\u91cc\u4e91yum\u6e90
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
\u4e0b\u8f7d\u540e\u5c06$releasever\u5168\u90e8\u66ff\u6362\u4e3a\u7248\u672c\u53f77
2\u3001\u6e05\u9664\u5e76\u751f\u6210\u7f13\u5b58
yum clean all
yum makecache
yum update\u53e6\uff1a\u63d0\u4e2a\u4e2a\u4eba\u5efa\u8bae\uff0c\u591a\u5c1d\u8bd5\u51e0\u7bc7\u6709\u5173\u914d\u7f6e\u7684\u6587\u7ae0\uff0c\u6216\u8005\u4f7f\u7528G-o-o-g-l-e\u6765\u641c\uff0c\u4e0d\u7136\u8fd9\u91cc\u8be2\u95ee\u7684\u8bdd\uff0c\u89e3\u51b3\u95ee\u9898\u7684\u6548\u7387\u6bd4\u8f83\u4f4e~
\u8c22\u8c22~
\u7b2c1\u6b65:\u9996\u5148\u54b1\u4eec\u8981\u8fdb\u5165\u5230"/etc/yum.repos.d/"\u76ee\u5f55\u4e2d\uff08\u56e0\u4e3a\u8be5\u76ee\u5f55\u5b58\u653e\u7740yum\u4ed3\u5e93\u7684\u914d\u7f6e\u6587\u4ef6\uff09
\u7b2c2\u6b65:\u4f7f\u7528vim\u7f16\u8f91\u5668\u521b\u5efa\u4e00\u4e2a\u540d\u4e3arhel7.repo\u7684\u65b0\u914d\u7f6e\u6587\u4ef6\uff08\u6587\u4ef6\u540d\u79f0\u53ef\u968f\u610f\uff0c\u4f46\u540e\u7f00\u5fc5\u9700\u4e3arepo\uff09\uff0c\u9010\u9879\u5199\u5165\u914d\u7f6e\u53c2\u6570\u5e76\u4fdd\u5b58\u9000\u51fa\u3002
[rhel-media]: yum\u6e90\u7684\u540d\u79f0\uff0c\u53ef\u81ea\u5b9a\u4e49\u3002
name=linuxprobe : yum\u4ed3\u5e93\u7684\u540d\u79f0\uff0c\u53ef\u81ea\u5b9a\u4e49\u3002
baseurl=file:///media/cdrom :\u63d0\u4f9b\u65b9\u5f0f\u5305\u62ecFTP\uff08ftp://..\uff09\u3001HTTP\uff08http://..\uff09\u3001\u672c\u5730\uff08file:///..\uff09
enabled=1 : \u8bbe\u7f6e\u6b64\u6e90\u662f\u5426\u53ef\u7528\uff0c1\u4e3a\u53ef\u7528\uff0c0\u4e3a\u7981\u7528\u3002
gpgcheck=1 : \u8bbe\u7f6e\u6b64\u6e90\u662f\u5426\u6821\u9a8c\u6587\u4ef6\uff0c1\u4e3a\u6821\u9a8c\uff0c0\u4e3a\u4e0d\u6821\u9a8c\u3002
gpgkey=file:///media/cdrom/RPM-GPG-KEY-redhat-release :\u82e5\u4e3a\u6821\u9a8c\u8bf7\u6307\u5b9a\u516c\u94a5\u6587\u4ef6\u5730\u5740\u3002
\u7b2c3\u6b65:\u6309\u914d\u7f6e\u53c2\u6570\u7684\u8def\u5f84\u5c06\u5149\u76d8\u6302\u8f7d\uff0c\u5e76\u5c06\u5149\u76d8\u6302\u8f7d\u4fe1\u606f\u5199\u5165\u5230/etc/fstab\u6587\u4ef6\u4e2d\u3002
\u7b2c4\u6b65:\u4f7f\u7528"yum install httpd -y"\u547d\u4ee4\u68c0\u67e5Yum\u4ed3\u5e93\u662f\u5426\u5df2\u7ecf\u53ef\u7528\u3002
\u8fd9\u91cc\u662f\u8be6\u7ec6\u4fe1\u606f\uff1ahttp://www.linuxprobe.com/chapter-04.html#414_Yum\uff0cvim \u7528\u6cd5\uff1ahttp://baike.baidu.com/item/VIM/60410#7
是免费的~
1、更换使用阿里云yum源
wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo
下载后将$releasever全部替换为版本号7
2、清除并生成缓存
yum clean all
yum makecache
yum update
另：提个个人建议，多尝试几篇有关配置的文章，或者使用G-o-o-g-l-e来搜，不然这里询问的话，解决问题的效率比较低~
谢谢~
创建此文件
[base]
name=CentOS-$releasever - Base
mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os&infra=$infra
#baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
#released updates
[updates]
name=CentOS-$releasever - Updates
mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates&infra=$infra
#baseurl=http://mirror.centos.org/centos/$releasever/updates/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
#additional packages that may be useful
[extras]
name=CentOS-$releasever - Extras
mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras&infra=$infra
#baseurl=http://mirror.centos.org/centos/$releasever/extras/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
#additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-$releasever - Plus
mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=centosplus&infra=$infra
#baseurl=http://mirror.centos.org/centos/$releasever/centosplus/$basearch/
gpgcheck=1
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
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