{"id":43254,"date":"2024-10-04T23:16:42","date_gmt":"2024-10-04T15:16:42","guid":{"rendered":"https:\/\/server.hk\/cnblog\/43254\/"},"modified":"2024-10-04T23:16:42","modified_gmt":"2024-10-04T15:16:42","slug":"centos-7-%e4%b8%8b-mysql-%e6%9c%8d%e5%8b%99%e5%95%9f%e5%8b%95%e5%a4%b1%e6%95%97%e7%9a%84%e8%a7%a3%e6%b1%ba%e6%80%9d%e8%b7%af","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/43254\/","title":{"rendered":"CentOS 7 \u4e0b MySQL \u670d\u52d9\u555f\u52d5\u5931\u6557\u7684\u89e3\u6c7a\u601d\u8def"},"content":{"rendered":"

CentOS 7 \u4e0b MySQL \u670d\u52d9\u555f\u52d5\u5931\u6557\u7684\u89e3\u6c7a\u601d\u8def<\/h1>\n

\u5728\u4f7f\u7528 CentOS 7 \u7cfb\u7d71\u6642\uff0cMySQL \u670d\u52d9\u7684\u555f\u52d5\u5931\u6557\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\u3002\u9019\u53ef\u80fd\u6703\u5f71\u97ff\u5230\u61c9\u7528\u7a0b\u5e8f\u7684\u6b63\u5e38\u904b\u884c\uff0c\u5c0e\u81f4\u6578\u64da\u5eab\u7121\u6cd5\u8a2a\u554f\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u4e9b\u5e38\u898b\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u7528\u6236\u5feb\u901f\u6392\u67e5\u554f\u984c\u3002<\/p>\n

\u6aa2\u67e5 MySQL \u670d\u52d9\u72c0\u614b<\/h2>\n

\u9996\u5148\uff0c\u60a8\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5 MySQL \u670d\u52d9\u7684\u72c0\u614b\uff1a<\/p>\n

systemctl status mysqld<\/code><\/pre>\n
\u5982\u679c\u670d\u52d9\u672a\u555f\u52d5\uff0c\u60a8\u5c07\u770b\u5230\u985e\u4f3c\u65bc\u201cfailed\u201d\u6216\u201cinactive\u201d\u7684\u72c0\u614b\u4fe1\u606f\u3002\u9019\u6642\uff0c\u60a8\u9700\u8981\u67e5\u770b\u5177\u9ad4\u7684\u932f\u8aa4\u4fe1\u606f\uff0c\u4ee5\u4fbf\u9032\u4e00\u6b65\u6392\u67e5\u3002<\/p>\n
\u67e5\u770b\u65e5\u8a8c\u6587\u4ef6<\/h2>\n
MySQL \u7684\u65e5\u8a8c\u6587\u4ef6\u901a\u5e38\u4f4d\u65bc \/var\/log\/mysqld.log\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u65e5\u8a8c\u5167\u5bb9\uff1a<\/p>\n
cat \/var\/log\/mysqld.log<\/code><\/pre>\n
\u5728\u65e5\u8a8c\u4e2d\uff0c\u60a8\u53ef\u80fd\u6703\u770b\u5230\u4e00\u4e9b\u932f\u8aa4\u4fe1\u606f\uff0c\u4f8b\u5982\u7aef\u53e3\u88ab\u4f54\u7528\u3001\u914d\u7f6e\u6587\u4ef6\u932f\u8aa4\u7b49\u3002\u6839\u64da\u9019\u4e9b\u4fe1\u606f\uff0c\u60a8\u53ef\u4ee5\u9032\u4e00\u6b65\u5b9a\u4f4d\u554f\u984c\u3002<\/p>\n
\u5e38\u898b\u554f\u984c\u53ca\u89e3\u6c7a\u65b9\u6848<\/h2>\n
1. \u7aef\u53e3\u88ab\u4f54\u7528<\/h3>\n
\u5982\u679c MySQL \u5617\u8a66\u4f7f\u7528\u7684\u7aef\u53e3\uff08\u9ed8\u8a8d\u70ba 3306\uff09\u5df2\u88ab\u5176\u4ed6\u670d\u52d9\u4f54\u7528\uff0c\u5247\u6703\u5c0e\u81f4\u555f\u52d5\u5931\u6557\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u7aef\u53e3\u4f7f\u7528\u60c5\u6cc1\uff1a<\/p>\n
netstat -tuln | grep 3306<\/code><\/pre>\n
\u5982\u679c\u767c\u73fe\u7aef\u53e3\u88ab\u4f54\u7528\uff0c\u60a8\u53ef\u4ee5\u9078\u64c7\u505c\u6b62\u4f54\u7528\u8a72\u7aef\u53e3\u7684\u670d\u52d9\uff0c\u6216\u4fee\u6539 MySQL \u7684\u914d\u7f6e\u6587\u4ef6\uff08\u901a\u5e38\u4f4d\u65bc \/etc\/my.cnf\uff09\u4f86\u66f4\u6539\u7aef\u53e3\u865f\u3002<\/p>\n
2. \u914d\u7f6e\u6587\u4ef6\u932f\u8aa4<\/h3>\n
MySQL \u7684\u914d\u7f6e\u6587\u4ef6\u53ef\u80fd\u5b58\u5728\u8a9e\u6cd5\u932f\u8aa4\u6216\u4e0d\u6b63\u78ba\u7684\u8a2d\u7f6e\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u914d\u7f6e\u6587\u4ef6\u7684\u8a9e\u6cd5\uff1a<\/p>\n
mysqld --validate-config<\/code><\/pre>\n
\u5982\u679c\u767c\u73fe\u932f\u8aa4\uff0c\u8acb\u6839\u64da\u63d0\u793a\u4fee\u6b63\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684\u554f\u984c\uff0c\u7136\u5f8c\u91cd\u65b0\u555f\u52d5 MySQL \u670d\u52d9\u3002<\/p>\n
3. \u8cc7\u6599\u593e\u6b0a\u9650\u554f\u984c<\/h3>\n
MySQL \u9700\u8981\u5c0d\u5176\u6578\u64da\u76ee\u9304\u64c1\u6709\u9069\u7576\u7684\u8b80\u5beb\u6b0a\u9650\u3002\u5982\u679c\u6b0a\u9650\u8a2d\u7f6e\u4e0d\u6b63\u78ba\uff0c\u5247\u53ef\u80fd\u5c0e\u81f4\u555f\u52d5\u5931\u6557\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5\u6578\u64da\u76ee\u9304\u7684\u6b0a\u9650\uff1a<\/p>\n
ls -ld \/var\/lib\/mysql<\/code><\/pre>\n
\u78ba\u4fdd\u8a72\u76ee\u9304\u7684\u64c1\u6709\u8005\u70ba mysql\uff0c\u7528\u6236\u7d44\u4e5f\u70ba mysql\u3002\u5982\u679c\u4e0d\u662f\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u884c\u66f4\u6539\uff1a<\/p>\n
chown -R mysql:mysql \/var\/lib\/mysql<\/code><\/pre>\n
4. SELinux \u8a2d\u7f6e<\/h3>\n
\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0cSELinux \u7684\u8a2d\u7f6e\u53ef\u80fd\u6703\u963b\u6b62 MySQL \u6b63\u5e38\u555f\u52d5\u3002\u60a8\u53ef\u4ee5\u66ab\u6642\u7981\u7528 SELinux \u4f86\u6aa2\u67e5\u662f\u5426\u662f\u9019\u500b\u539f\u56e0\uff1a<\/p>\n
setenforce 0<\/code><\/pre>\n
\u5982\u679c MySQL \u6210\u529f\u555f\u52d5\uff0c\u5247\u9700\u8981\u6aa2\u67e5 SELinux \u7684\u8a2d\u7f6e\uff0c\u4e26\u6839\u64da\u9700\u8981\u9032\u884c\u8abf\u6574\u3002<\/p>\n
\u91cd\u65b0\u555f\u52d5 MySQL \u670d\u52d9<\/h2>\n
\u5728\u89e3\u6c7a\u4e86\u4e0a\u8ff0\u554f\u984c\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u91cd\u65b0\u555f\u52d5 MySQL \u670d\u52d9\uff1a<\/p>\n
systemctl restart mysqld<\/code><\/pre>\n
\u7136\u5f8c\u518d\u6b21\u6aa2\u67e5\u670d\u52d9\u72c0\u614b\uff0c\u78ba\u4fdd\u5176\u6b63\u5e38\u904b\u884c\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u5728 CentOS 7 \u7cfb\u7d71\u4e2d\uff0cMySQL \u670d\u52d9\u555f\u52d5\u5931\u6557\u7684\u539f\u56e0\u53ef\u80fd\u6709\u5f88\u591a\uff0c\u5305\u62ec\u7aef\u53e3\u88ab\u4f54\u7528\u3001\u914d\u7f6e\u6587\u4ef6\u932f\u8aa4\u3001\u8cc7\u6599\u593e\u6b0a\u9650\u554f\u984c\u4ee5\u53ca SELinux \u8a2d\u7f6e\u7b49\u3002\u901a\u904e\u6aa2\u67e5\u670d\u52d9\u72c0\u614b\u3001\u67e5\u770b\u65e5\u8a8c\u6587\u4ef6\u4ee5\u53ca\u9010\u6b65\u6392\u67e5\u554f\u984c\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\uff0c\u78ba\u4fdd MySQL \u670d\u52d9\u7684\u6b63\u5e38\u904b\u884c\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528 \u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0c\u63d0\u4f9b\u7a69\u5b9a\u7684\u74b0\u5883\u4ee5\u652f\u6301\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u89e3\u6c7a CentOS 7 \u4e0b MySQL \u670d\u52d9\u555f\u52d5\u5931\u6557\u7684\u554f\u984c\uff0c\u63d0\u4f9b\u6545\u969c\u6392\u9664\u6b65\u9a5f\u8207\u5e38\u898b\u89e3\u6c7a\u65b9\u6848\uff0c\u52a9\u60a8\u5feb\u901f\u6062\u5fa9\u670d\u52d9\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-43254","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43254","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=43254"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43254\/revisions"}],"predecessor-version":[{"id":43255,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/43254\/revisions\/43255"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=43254"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=43254"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=43254"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}