\u73b0\u6709\u4e00\u53f0centos7.9\u670d\u52a1\u5668\uff0c\u9ed8\u8ba4\u7684yum\u6e90mirrorlist.centos.org\u57df\u540d\u89e3\u6790\u4e0d\u4e86\uff0c\u73b0\u5728\u5c06yum\u6e90\u6539\u4e3a\u963f\u91cc\u4e91\uff0c\u9996\u5148\u8be5\u670d\u52a1\u5668\u53ef\u4ee5\u6b63\u5e38\u8bbf\u95ee\u4e92\u8054\u7f51\u3002<\/p>\n
\u6b65\u9aa41\uff1a\u5907\u4efd\u73b0\u6709yum\u6e90
\n\u521b\u5efa\u5907\u4efd\u76ee\u5f55\uff1a
\nmkdir -p \/etc\/yum.repos.d\/backup
\n\u5c06\u539frepo\u6587\u4ef6\u5907\u4efd\u5230\u8be5\u76ee\u5f55\uff1a
\nmv \/etc\/yum.repos.d\/*.repo \/etc\/yum.repos.d\/backup\/<\/p>\n
\u6b65\u9aa42\uff1a\u4e0b\u8f7d\u963f\u91cc\u4e91centos7\u57fa\u7840\u6e90
\n\u901a\u8fc7curl\u547d\u4ee4\uff1a
\ncurl -o \/etc\/yum.repos.d\/CentOS-Base.repo https:\/\/mirrors.aliyun.com\/repo\/Centos-7.repo
\n\u5982\u679c\u6ca1\u6709curl\u53ef\u4ee5\u4f7f\u7528wget
\nwget -O \/etc\/yum.repos.d\/CentOS-Base.repo https:\/\/mirrors.aliyun.com\/repo\/Centos-7.repo<\/p>\n
\u6b65\u9aa43\uff1a\u5220\u9664\u963f\u91cc\u4e91\u5185\u7f51\u5730\u5740\uff0c\u5426\u5219\u4f1a\u62a5 mirrors.cloud.aliyuncs.com \u89e3\u6790\u5931\u8d25
\nsed -i -e ‘\/mirrors.cloud.aliyuncs.com\/d’ -e ‘\/mirrors.aliyuncs.com\/d’ \/etc\/yum.repos.d\/CentOS-Base.repo<\/p>\n
\u6b65\u9aa44\uff1a\u5b89\u88c5\u963f\u91cc\u4e91\u6269\u5c55\u6e90
\ncurl -o \/etc\/yum.repos.d\/epel.repo https:\/\/mirrors.aliyun.com\/repo\/epel-7.repo<\/p>\n
\u6b65\u9aa45\uff1a\u6e05\u7406\u65e7\u7f13\u5b58
\nyum clean all<\/p>\n
\u6b65\u9aa46\uff1a\u751f\u6210\u963f\u91cc\u4e91\u6e90\u65b0\u7f13\u5b58
\nyum makecache
\n\u51fa\u73b0Metadata Cache Created\u5219\u8bf4\u660e\u751f\u6210\u5b8c\u6210<\/p>\n
\u53ef\u4ee5\u901a\u8fc7\u5217\u51fa\u53ef\u7528\u6e90\u6765\u8fdb\u884c\u6d4b\u8bd5\uff0cyum repolist\u6216\u8005yum install telnet\u7b49\u6d4b\u8bd5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u73b0\u6709\u4e00\u53f0centos7.9\u670d\u52a1\u5668\uff0c\u9ed8\u8ba4\u7684yum\u6e90mirrorlist.centos.org\u57df\u540d\u89e3\u6790\u4e0d\u4e86\uff0c\u73b0\u5728\u5c06 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[70,652,286,338,653],"class_list":["post-24962","post","type-post","status-publish","format-standard","hentry","category-operating-system","tag-centos","tag-repo","tag-telnet","tag-yum","tag-653"],"_links":{"self":[{"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/posts\/24962","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=24962"}],"version-history":[{"count":1,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/posts\/24962\/revisions"}],"predecessor-version":[{"id":24963,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/posts\/24962\/revisions\/24963"}],"wp:attachment":[{"href":"https:\/\/www.wxcn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=24962"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=24962"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=24962"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}