{"id":1954,"date":"2021-03-23T13:24:18","date_gmt":"2021-03-23T05:24:18","guid":{"rendered":"https:\/\/www.xiaobo.li\/?p=1954"},"modified":"2021-03-24T10:48:14","modified_gmt":"2021-03-24T02:48:14","slug":"centos-7-upgrade-to-centos-8","status":"publish","type":"post","link":"https:\/\/www.xiaobo.li\/notes\/archives\/1954","title":{"rendered":"CentOS 7 upgrade to CentOS 8"},"content":{"rendered":"

\u7b2c1\u6b65\uff1a\u5b89\u88c5EPEL\u50a8\u5b58\u5e93<\/strong><\/h3>\n

\u9996\u5148\uff0c\u901a\u8fc7\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5EPL<\/strong>\u5b58\u50a8\u5e93\uff1a<\/p>\n

yum install epel-release -y<\/span><\/pre>\n
\"\"<\/p>\n
\u7b2c2\u6b65\uff1a\u5b89\u88c5yum-utils\u5de5\u5177<\/h3>\n
\u6210\u529f\u5b89\u88c5EPEL\u4e4b\u540e<\/strong> \uff0c\u901a\u8fc7\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u6765\u5b89\u88c5yum-utils \u3002<\/p>\n
yum install yum-utils<\/span><\/pre>\n
\"\"<\/p>\n
\u5728CentOS 7\u4e2d\u5b89\u88c5yum-utils
\n\u6b64\u540e\uff0c\u60a8\u9700\u8981\u901a\u8fc7\u6267\u884c\u547d\u4ee4\u6765\u89e3\u6790RPM\u8f6f\u4ef6\u5305\u3002<\/p>\n
# yum install rpmconf<\/span>\r\n# rpmconf -a<\/span><\/pre>\n
\"\"<\/p>\n
\u4fdd\u7559\u9ed8\u8ba4RPM\u8bbe\u7f6e
\n\u63a5\u4e0b\u6765\uff0c\u6e05\u7406\u6240\u6709\u4e0d\u9700\u8981\u7684\u8f6f\u4ef6\u5305\u3002<\/p>\n
# package-cleanup --leaves<\/span>\r\n# package-cleanup --orphans<\/span><\/pre>\n
\"\"<\/p>\n
\u5e72\u51c0\u7684RPM\u8f6f\u4ef6\u5305
\n\u7b2c3\u6b65\uff1a\u5728CentOS 7\u4e2d\u5b89\u88c5dnf
\n\u73b0\u5728\u5b89\u88c5dnf\u8f6f\u4ef6\u5305\u7ba1\u7406\u5668 \uff0c\u5b83\u662fCentOS 8\u7684\u9ed8\u8ba4\u8f6f\u4ef6\u5305\u7ba1\u7406\u5668\u3002<\/p>\n
# yum install dnf<\/span><\/pre>\n
\"\"<\/p>\n
\u5728CentOS 7\u4e2d\u5b89\u88c5dnf
\n\u60a8\u8fd8\u9700\u8981\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5220\u9664yum\u8f6f\u4ef6\u5305\u7ba1\u7406\u5668 \u3002<\/p>\n
# dnf -y remove yum yum-metadata-parser<\/span>\r\n# rm -Rf \/etc\/yum<\/span><\/pre>\n
\"\"<\/p>\n
\u5728CentOS 7\u4e2d\u5220\u9664Yum
\n\u7b2c4\u6b65\uff1a\u5c06CentOS 7\u5347\u7ea7\u5230CentOS 8
\n\u73b0\u5728\uff0c\u6211\u4eec\u51c6\u5907\u5c06CentOS 7\u5347\u7ea7\u5230CentOS 8\uff0c\u4f46\u5728\u6b64\u4e4b\u524d\uff0c\u8bf7\u4f7f\u7528\u65b0\u5b89\u88c5\u7684dnf\u8f6f\u4ef6\u5305\u7ba1\u7406\u5668\u5347\u7ea7\u7cfb\u7edf\u3002<\/p>\n
# dnf upgrade<\/span><\/pre>\n
\"\"<\/p>\n
\u5347\u7ea7CentOS 7<\/p>\n
\u63a5\u4e0b\u6765\uff0c\u5982\u4e0b\u6240\u793a\u4f7f\u7528dnf\u5b89\u88c5CentOS 8\u53d1\u884c\u5305\u3002 \u8fd9\u9700\u8981\u4e00\u6bb5\u65f6\u95f4\u3002<\/p>\n
dnf -y upgrade http:\/\/mirrors.163.com\/centos\/8.0.1905\/BaseOS\/x86_64\/os\/Packages\/centos-release-8.0-0.1905.0.9.el8.x86_64.rpm<\/span><\/pre>\n
\"\"<\/p>\n
\u5b89\u88c5CentOS 8\u7248\u672c
\n\u63a5\u4e0b\u6765\uff0c\u5347\u7ea7EPEL\u5b58\u50a8\u5e93\u3002<\/p>\n
dnf <\/span>-<\/span>y upgrade https<\/span>:<\/span>\/\/dl.fedoraproject.org\/pub\/epel\/epel-release-latest-8.noarch.rpm<\/span><\/pre>\n
\"\"<\/p>\n
\u5347\u7ea7EPEL\u5b58\u50a8\u5e93
\n\u6210\u529f\u5347\u7ea7EPEL\u5b58\u50a8\u5e93\u540e\uff0c\u8bf7\u5220\u9664\u6240\u6709\u4e34\u65f6\u6587\u4ef6\u3002<\/p>\n
# dnf clean all<\/span><\/pre>\n
\u5220\u9664 CentOS 7 \u7684\u65e7\u5185\u6838 \u3002<\/p>\n
# rpm -e `rpm -q kernel`<\/span><\/pre>\n
\u63a5\u4e0b\u6765\uff0c\u8bf7\u786e\u4fdd\u5220\u9664\u6709\u51b2\u7a81\u7684\u8f6f\u4ef6\u5305\u3002<\/p>\n
# rpm -e --nodeps sysvinit-tools<\/span><\/pre>\n
\u4e4b\u540e\uff0c\u5982\u56fe\u6240\u793a\u542f\u52a8CentOS 8\u7cfb\u7edf\u5347\u7ea7\u3002<\/p>\n
# dnf -y --releasever=8 --allowerasing --setopt=deltarpm=false distro-sync<\/span><\/pre>\n
\"\"<\/p>\n
CentOS 8\u7cfb\u7edf\u5347\u7ea7
\n\u7b2c5\u6b65\uff1a\u5b89\u88c5\u9002\u7528\u4e8eCentOS 8\u7684\u65b0\u5185\u6838<\/strong>
\n\u8981\u4e3aCentOS 8\u5b89\u88c5\u65b0\u7684\u5185\u6838\uff0c\u8bf7\u8fd0\u884c\u547d\u4ee4\u3002<\/p>\n
# dnf -y install kernel-core<\/span><\/pre>\n
\"\"<\/p>\n
\u5728CentOS 8\u4e2d\u5b89\u88c5\u5185\u6838
\n\u6700\u540e\uff0c\u5b89\u88c5CentOS 8\u6700\u5c0f\u8f6f\u4ef6\u5305\u3002<\/p>\n
# dnf -y groupupdate \"Core\" \"Minimal Install\"<\/span><\/pre>\n
\u73b0\u5728\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u8fd0\u884c\u68c0\u67e5\u5b89\u88c5\u7684CentOS\u7248\u672c\u3002<\/p>\n
# cat \/etc\/redhat-release<\/span><\/pre>\n
\u68c0\u67e5CentOS\u7248\u672c<\/p>\n
\"\"<\/p>\n
 <\/p>\n
\u53c2\u8003\uff1a
\nhttps:\/\/www.howtoing.com\/upgrade-centos-7-to-centos-8<\/a><\/p>\n
 <\/p>\n
 <\/p>\n
#!\/bin\/bash\r\n\r\necho 'CentOS 7 upgrade to CentOS 8'\r\n\r\necho '\u7b2c1\u6b65\uff1a\u5b89\u88c5EPEL\u50a8\u5b58\u5e93'\r\nyum update -y\r\nyum remove epel-release mariadb mariadb-connector-c-config redhat-rpm-config -y\r\n#yum install epel-release -y\r\nyum install -y http:\/\/mirrors.ustc.edu.cn\/epel\/epel-release-latest-7.noarch.rpm\r\n\r\necho '\u7b2c2\u6b65\uff1a\u5b89\u88c5yum-utils\u5de5\u5177'\r\nyum install yum-utils -y\r\n\r\necho '\u5728CentOS 7\u4e2d\u5b89\u88c5yum-utils'\r\nyum install rpmconf -y\r\nrpmconf -a\r\n\r\necho '\u4fdd\u7559\u9ed8\u8ba4RPM\u8bbe\u7f6e\uff0c\u63a5\u4e0b\u6765\uff0c\u6e05\u7406\u6240\u6709\u4e0d\u9700\u8981\u7684\u8f6f\u4ef6\u5305'\r\npackage-cleanup --leaves\r\npackage-cleanup --orphans\r\n\r\n# yum remove -y libsysfs-2.1.0-16.el7.x86_64 chefdk-4.6.35-1.el7.x86_64\r\n\r\necho '\u7b2c3\u6b65\uff1a\u5728CentOS 7\u4e2d\u5b89\u88c5dnf'\r\nyum install dnf -y\r\n\r\necho '\u5728CentOS 7\u4e2d\u5b89\u88c5dnf, \u60a8\u8fd8\u9700\u8981\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5220\u9664yum\u8f6f\u4ef6\u5305\u7ba1\u7406\u5668 \u3002'\r\ndnf -y remove yum yum-metadata-parser\r\nrm -Rf \/etc\/yum\r\n\r\n\r\necho '\u7b2c4\u6b65\uff1a\u5c06CentOS 7\u5347\u7ea7\u5230CentOS 8'\r\ndnf -y upgrade\r\ndnf -y install http:\/\/mirrors.aliyun.com\/centos\/8\/BaseOS\/x86_64\/os\/Packages\/centos-linux-repos-8-2.el8.noarch.rpm http:\/\/mirrors.aliyun.com\/centos\/8\/BaseOS\/x86_64\/os\/Packages\/centos-linux-release-8.3-1.2011.el8.noarch.rpm http:\/\/mirrors.aliyun.com\/centos\/8\/BaseOS\/x86_64\/os\/Packages\/centos-gpg-keys-8-2.el8.noarch.rpm\r\ndnf -y upgrade http:\/\/mirrors.ustc.edu.cn\/epel\/epel-release-latest-8.noarch.rpm\r\n\r\n# dnf -y install http:\/\/mirrors.aliyun.com\/centos\/8\/BaseOS\/x86_64\/os\/Packages\/centos-linux-repos-8-2.el8.noarch.rpm\r\n# dnf -y http:\/\/mirrors.aliyun.com\/centos\/8\/BaseOS\/x86_64\/os\/Packages\/centos-gpg-keys-8-2.el8.noarch.rpm\r\n# dnf -y upgrade http:\/\/mirrors.ustc.edu.cn\/epel\/epel-release-latest-8.noarch.rpm\r\n\r\n# dnf -y upgrade http:\/\/mirrors.163.com\/centos\/8.0.1905\/BaseOS\/x86_64\/os\/Packages\/centos-release-8.0-0.1905.0.9.el8.x86_64.rpm\r\n# dnf -y upgrade https:\/\/dl.fedoraproject.org\/pub\/epel\/epel-release-latest-8.noarch.rpm\r\n\r\n\r\necho '\u5347\u7ea7EPEL\u5b58\u50a8\u5e93'\r\ndnf clean all\r\nrpm -e `rpm -q kernel`\r\nrpm -e --nodeps sysvinit-tools\r\ndnf -y --releasever=8 --allowerasing --setopt=deltarpm=false distro-sync\r\n\r\n\r\necho '\u7b2c5\u6b65\uff1a\u5b89\u88c5\u9002\u7528\u4e8eCentOS 8\u7684\u65b0\u5185\u6838'\r\ndnf -y install kernel-core\r\n\r\n\r\necho '\u5b89\u88c5CentOS 8\u6700\u5c0f\u8f6f\u4ef6\u5305'\r\ndnf -y groupupdate \"Core\" \"Minimal Install\"\r\ncat \/etc\/redhat-release\r\n\r\n\r\n\r\n\r\n<\/code><\/pre>\n
 <\/p>\n
 <\/p>\n
.<\/p>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
\u7b2c1\u6b65\uff1a\u5b89\u88c5EPEL\u50a8\u5b58\u5e93 \u9996\u5148\uff0c\u901a\u8fc7\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5EPL\u5b58\u50a8\u5e93\uff1a yum i … \u7ee7\u7eed\u9605\u8bfb →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[287],"tags":[],"class_list":["post-1954","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts\/1954","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/comments?post=1954"}],"version-history":[{"count":0,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts\/1954\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/media?parent=1954"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/categories?post=1954"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/tags?post=1954"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}