{"id":60022,"date":"2026-01-14T20:57:27","date_gmt":"2026-01-14T12:57:27","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/60022.html"},"modified":"2026-01-14T20:57:27","modified_gmt":"2026-01-14T12:57:27","slug":"centos7-9%e5%bd%92%e6%a1%a3%e6%ba%90","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/60022.html","title":{"rendered":"CentOS7.9\u5f52\u6863\u6e90"},"content":{"rendered":"

1\u3001\u6e05\u7406\u73b0\u6709\u6e90<\/p>\n

（1）\u65b9\u5f0f\u4e00\u3001\u5220\u9664\u73b0\u6709\u6e90<\/p>\n

rm -rf \/etc\/yum.repos.d\/*.repo<\/p>\n

（2）\u65b9\u5f0f\u4e8c\u3001\u5907\u4efd\u73b0\u6709\u6e90<\/p>\n

for file in *.repo; do
\n\u00a0 \u00a0 if [ "$file" != "local.repo" ]; then
\n\u00a0 \u00a0 \u00a0 \u00a0 mv "$file" "$file.bak"
\n\u00a0 \u00a0 fi
\ndone<\/p>\n

2\u3001\u66ff\u6362\u4e3a\u5f52\u6863\u6e90<\/p>\n

cat > \/etc\/yum.repos.d\/CentOS-Base.repo << EOF
\n[base]
\nname=CentOS-7 – Base – Archive
\nbaseurl=http:\/\/archive.kernel.org\/centos-vault\/7.9.2009\/os\/x86_64\/
\ngpgcheck=1
\ngpgkey=file:\/\/\/etc\/pki\/rpm-gpg\/RPM-GPG-KEY-CentOS-7
\nenabled=1<\/p>\n

[updates]
\nname=CentOS-7 – Updates – Archive
\nbaseurl=http:\/\/archive.kernel.org\/centos-vault\/7.9.2009\/updates\/x86_64\/
\ngpgcheck=1
\ngpgkey=file:\/\/\/etc\/pki\/rpm-gpg\/RPM-GPG-KEY-CentOS-7
\nenabled=1<\/p>\n

[extras]
\nname=CentOS-7 – Extras – Archive
\nbaseurl=http:\/\/archive.kernel.org\/centos-vault\/7.9.2009\/extras\/x86_64\/
\ngpgcheck=1
\ngpgkey=file:\/\/\/etc\/pki\/rpm-gpg\/RPM-GPG-KEY-CentOS-7
\nenabled=1
\nEOF<\/p>\n

3\u3001\u91cd\u5efa\u7f13\u5b58<\/p>\n

yum clean all
\nyum makecache<\/p>\n","protected":false},"excerpt":{"rendered":"

1\u3001\u6e05\u7406\u73b0\u6709\u6e90（1）\u65b9\u5f0f\u4e00\u3001\u5220\u9664\u73b0\u6709\u6e90rm -rf \/etc\/yum.repos.d\/*.repo（2）\u65b9\u5f0f\u4e8c\u3001\u5907\u4efd\u73b0\u6709\u6e90for file in *.repo; doif [ \\”$file\\” ! \\”local.repo\\” ]; thenmv \\”$file\\” \\”$file.bak\\”fi
\ndone2\u3001\u66ff\u6362\u4e3a\u5f52\u6863\u6e90cat > \/etc\/yum.repos.d\/CentOS-Base.repo << EOF
\n[base]
\nnam<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[59,58],"topic":[],"class_list":["post-60022","post","type-post","status-publish","format-standard","hentry","category-server","tag-centos","tag-linux"],"yoast_head":"\nCentOS7.9\u5f52\u6863\u6e90 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/60022.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CentOS7.9\u5f52\u6863\u6e90 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"1\u3001\u6e05\u7406\u73b0\u6709\u6e90（1）\u65b9\u5f0f\u4e00\u3001\u5220\u9664\u73b0\u6709\u6e90rm -rf \/etc\/yum.repos.d\/*.repo（2）\u65b9\u5f0f\u4e8c\u3001\u5907\u4efd\u73b0\u6709\u6e90for file in *.repo; doif [ "$file" ! "local.repo" ]; thenmv "$file" "$file.bak"fi done2\u3001\u66ff\u6362\u4e3a\u5f52\u6863\u6e90cat > \/etc\/yum.repos.d\/CentOS-Base.repo << EOF [base] nam\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/60022.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-01-14T12:57:27+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/60022.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/60022.html\",\"name\":\"CentOS7.9\u5f52\u6863\u6e90 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-01-14T12:57:27+00:00\",\"dateModified\":\"2026-01-14T12:57:27+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/60022.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/60022.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/60022.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"CentOS7.9\u5f52\u6863\u6e90\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"CentOS7.9\u5f52\u6863\u6e90 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/60022.html","og_locale":"zh_CN","og_type":"article","og_title":"CentOS7.9\u5f52\u6863\u6e90 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"1\u3001\u6e05\u7406\u73b0\u6709\u6e90（1）\u65b9\u5f0f\u4e00\u3001\u5220\u9664\u73b0\u6709\u6e90rm -rf \/etc\/yum.repos.d\/*.repo（2）\u65b9\u5f0f\u4e8c\u3001\u5907\u4efd\u73b0\u6709\u6e90for file in *.repo; doif [ \"$file\" ! 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