{"id":816,"date":"2021-07-17T22:29:27","date_gmt":"2021-07-17T14:29:27","guid":{"rendered":"https:\/\/www.dd-home.top\/?p=816"},"modified":"2021-07-19T11:59:30","modified_gmt":"2021-07-19T03:59:30","slug":"centos-%e5%ae%89%e8%a3%85mysql8","status":"publish","type":"post","link":"https:\/\/www.dd-home.top\/?p=816","title":{"rendered":"Centos \u5b89\u88c5mysql8"},"content":{"rendered":"
1.\u79fb\u9664mariadb<\/span><\/h6>\n
# \u67e5\u8be2\u662f\u5426\u5b89\u88c5mariadb<\/span><\/span>\r\n# RedHat Package Manger\uff08RedHat\u8f6f\u4ef6\u7ba1\u7406\u5de5\u5177)<\/span><\/span>\r\n# -qa query all<\/span><\/span>\r\n# grep (global search rgular expression(RE) and print out the line) \u6587\u672c\u641c\u7d22<\/span><\/span>\r\nrpm -qa<\/span>|grep mariadb<\/span>\r\n\u200b<\/span>\r\n# \u79fb\u9664mariadb<\/span><\/span>\r\nyum remove mariadb<\/span>\r\n\u200b<\/span>\r\n# \u67e5\u770bmysql\u7684\u914d\u7f6e\u7c7b\u6587\u4ef6\u4fe1\u606f<\/span><\/span>\r\nls<\/span> \/etc\/my.cnf<\/span>\r\nll \/var\/lib\/mysql\/<\/span>\r\n\u200b<\/span>\r\n# \u79fb\u9664mysql \u914d\u7f6e\u4fe1\u606f<\/span><\/span>\r\nrm<\/span> -rf<\/span> \/etc\/my.cnf<\/span>\r\nrm<\/span> -rf<\/span> \/var\/lib\/mysql\/<\/span>\r\n\u200b<\/span>\r\n# \u67e5\u770b\u662f\u5426\u6709mysql \u670d\u52a1<\/span><\/span>\r\nsystemctl service<\/span> mysql<\/span><\/pre>\n
<\/h6>\n
2.\u5904\u7406centos \u7cfb\u7edf\u4fe1\u606f<\/span><\/h6>\n
# \u67e5\u770bcentos \u7248\u672c<\/span><\/span>\r\ncat<\/span> \/etc\/redhat-release<\/span>\r\n\u200b<\/span><\/pre>\n
3.\u5904\u7406\u4e4b\u524d\u7248\u672c\u7684mysql<\/span><\/h6>\n
# \u67e5\u770bmysql \u5b89\u88c5\u4fe1\u606f<\/span><\/span>\r\nrpm -qa<\/span> | grep<\/span> -i<\/span> mysql<\/span>\r\n\u200b<\/span>\r\n# \u79fb\u9664mysql<\/span><\/span>\r\nyum -y<\/span> remove MySQL-*<\/span>\r\n\u200b<\/span>\r\n# \u67e5\u8be2\u548cmysql \u76f8\u5173\u7684\u4fe1\u606f<\/span><\/span>\r\nfind<\/span> \/ -name<\/span> mysql<\/span>\r\n\u200b<\/span>\r\n# \u79fb\u9664\u5bf9\u5e94\u7684\u6587\u4ef6 rm -rf \u8def\u5f84\u7684\u65b9\u5f0f<\/span><\/span>\r\n# \u4e00\u884c\u884c\u590d\u5236\u5427<\/span><\/span><\/pre>\n
4.\u5b89\u88c5mysql<\/span><\/h6>\n
# \u5347\u7ea7Mysql\u8f6f\u4ef6\u5305--Update<\/span><\/span>\r\nsudo<\/span> rpm -Uvh<\/span> https:\/\/dev.mysql.com\/get\/mysql80-community-release-el7-3.noarch.rpm<\/span>\r\n\u200b<\/span>\r\n#\u5b89\u88c5mysql<\/span><\/span>\r\nsudo<\/span> yum --enablerepo<\/span>=<\/span>mysql80-community install mysql-community-server<\/span>\r\n\u200b<\/span>\r\n# \u542f\u52a8mysql \u670d\u52a1<\/span><\/span>\r\nsudo<\/span> service<\/span> mysqld start<\/span><\/span>\r\n\u200b<\/span>\r\n# \u67e5\u770bmysql \u72b6\u6001<\/span><\/span>\r\nservice<\/span> mysqld status<\/span><\/pre>\n
5.\u914d\u7f6emysql<\/span><\/h6>\n
# \u67e5\u770bmysql \u4e34\u65f6\u5bc6\u7801<\/span><\/span>\r\ngrep<\/span> \"A temporary password\"<\/span> \/var\/log\/mysqld.log<\/span>\r\n\u200b<\/span>\r\n# \u590d\u5236mysql \u4e34\u65f6\u5bc6\u7801 (CfzwMs;iP1od)<\/span><\/span>\r\n# \u767b\u9646mysql<\/span><\/span>\r\nmysql -uroot<\/span> -p<\/span><\/span>\r\n\u200b<\/span>\r\n# \u8f93\u5165\u4e34\u65f6\u5bc6\u7801<\/span><\/span>\r\n\u200b<\/span>\r\n# \u4fee\u6539root \u5bc6\u7801<\/span><\/span>\r\n# \u51fa\u73b0 You must reset your password using ALTER USER statement before executing this statement. \u9519\u8bef\u65f6\u5148\u521d\u59cb\u5316\u5bc6\u7801.<\/span><\/span>\r\nalter user user() identified by \"Aa123456@\"<\/span>;<\/span>\r\n\u200b<\/span>\r\n# \u67e5\u8be2\u5bc6\u7801\u7b56\u7565<\/span><\/span>\r\nuse mysql;<\/span>\r\nselect user,plugin from user where user<\/span>=<\/span>'root'<\/span>;<\/span>\r\n\u200b<\/span>\r\n# \u5bc6\u7801\u7b56\u7565\u4e3a caching_sha2_password<\/span><\/span>\r\n\u200b<\/span>\r\n# \u67e5\u8be2\u7528\u6237\u53cahost\u4fe1\u606f<\/span><\/span>\r\nselect user,host from user;<\/span>\r\n\u200b<\/span>\r\n# \u4fee\u6539\u7528\u6237\u53ca\u5bc6\u7801<\/span><\/span>\r\nalter user 'root'<\/span>@'localhost'<\/span> identified with mysql_native_password by 'Aa123456@'<\/span>;<\/span>\r\n\u200b<\/span>\r\n# \u67e5\u770bmysql \u7528\u6237\u7684\u52a0\u5bc6\u65b9\u5f0f<\/span><\/span>\r\nselect user,plugin from user where user<\/span>=<\/span>'root'<\/span>;<\/span>\r\n\u200b<\/span>\r\n# \u67e5\u627emy.cnf \u6587\u4ef6\u6dfb\u52a0<\/span><\/span>\r\n\u200b<\/span>\r\nfind<\/span> \/ -name<\/span> my.cnf<\/span>\r\n\u200b<\/span>\r\n# \u7f16\u8f91my.cnf \u6587\u4ef6,\u6dfb\u52a0\u4e0b\u9762\u6587\u5b57 <\/span><\/span>\r\ndefault_authentication_plugin<\/span>=<\/span>mysql_native_password<\/span>\r\n\u200b<\/span>\r\n# \u4fdd\u5b58\u540e\u91cd\u542fmysql \u670d\u52a1<\/span><\/span>\r\nservice mysql.server restart<\/span><\/span>\r\n\u200b<\/span>\r\n\u200b<\/span>\r\n# \u767b\u9646mysql use mysql;<\/span><\/span>\r\n# \u6dfb\u52a0\u4e00\u4e2a\u7528\u6237<\/span><\/span>\r\nCREATE USER 'root'<\/span>@'%'<\/span> IDENTIFIED BY 'Aa123456@'<\/span>;<\/span>\r\n\u200b<\/span>\r\n# \u7ed9\u7528\u6237\u8d4b\u6743\u9650<\/span><\/span>\r\nGRANT ALL ON *.* TO 'root'<\/span>@'%'<\/span>;<\/span>\r\n\u200b<\/span>\r\n# \u8bbe\u7f6e\u5bc6\u7801\u6c38\u4e0d\u8fc7\u671f<\/span><\/span>\r\nALTER USER 'root'<\/span>@'%'<\/span> IDENTIFIED BY 'Aa123456@'<\/span> PASSWORD EXPIRE NEVER; \u00a0<\/span>\r\n\u200b<\/span>\r\n# \u8bbe\u7f6e\u5bc6\u7801\u7684\u52a0\u5bc6\u65b9\u5f0f<\/span><\/span>\r\nALTER USER 'root'<\/span>@'%'<\/span> IDENTIFIED WITH mysql_native_password BY 'Aa123456@'<\/span>;<\/span>\r\n\u200b<\/span>\r\n# \u5237\u65b0\u6743\u9650<\/span><\/span>\r\nFLUSH PRIVILEGES;<\/span>\r\n\u200b<\/span>\r\n# \u9000\u51famysql<\/span><\/span>\r\n# \u7f16\u8f91my.cnf\u6587\u4ef6<\/span><\/span>\r\n# \u6dfb\u52a0\u4ee5\u4e0b\u5b57\u6bb5<\/span><\/span>\r\n\u200b<\/span>\r\nvi<\/span> \/etc\/my.cnf<\/span>\r\nsql_mode<\/span>=<\/span>STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION<\/span>\r\n\u200b<\/span>\r\n\u200b<\/span><\/pre>\n
5.1Mysql\u521d\u59cb\u5316\u5bc6\u7801\u9519\u8bef<\/span><\/h6>\n
# \u521d\u59cb\u5316\u5bc6\u7801\u9519\u8bef\u65f6\uff0c\u5728\/etc\/my.cnf \u4e2d\u589e\u52a0 skip-grant-tables\u3002\u6b64\u65f6\u767b\u5f55\u4e0d\u9700\u8981\u5bc6\u7801\uff0c\u8fdb\u5165\u540e\u4f7f\u7528<\/span><\/span>\r\nFLUSH PRIVILEGES;<\/span>\r\n# \u7136\u540e\u53ef\u4ee5\u9488\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u4fee\u6539<\/span><\/span><\/pre>\n
6.\u5904\u7406mysql\u7aef\u53e3<\/span><\/h6>\n
# \u6dfb\u52a0\u9632\u706b\u5899\u7aef\u53e3<\/span><\/span>\r\nfirewall-cmd --zone<\/span>=<\/span>public --add-port<\/span>=<\/span>3306<\/span>\/tcp --permanent<\/span><\/span>\r\n\u200b<\/span>\r\n# \u91cd\u542f\u9632\u706b\u5899<\/span><\/span>\r\nsystemctl restart<\/span> firewalld.service<\/span><\/pre>\n
7.mysql \u5e38\u7528\u547d\u4ee4<\/span><\/h6>\n
# \u5f00\u542fmysql<\/span><\/span>\r\nservice<\/span> mysqld start<\/span><\/span>\r\n# \u5173\u95ed\u670d\u52a1<\/span><\/span>\r\nservice<\/span> mysqld stop<\/span><\/span>\r\n# \u91cd\u542f\u670d\u52a1<\/span><\/span>\r\nservice<\/span> mysqld restart<\/span><\/span>\r\n# \u67e5\u770b\u72b6\u6001<\/span><\/span>\r\nservice<\/span> mysqld status<\/span><\/pre>\n
8.\u67e5\u770b\u5df2\u7ecf\u5f00\u542f\u7684\u670d\u52a1<\/span><\/h6>\n
systemctl list-unit-files|grep enabled<\/span><\/pre>\n
9.\u670d\u52a1\u5668\u4f18\u5316\u5904\u7406<\/span><\/h6>\n
# \u7f16\u8f91 \/etc\/my.cnf \u6587\u4ef6,\u4fee\u6539<\/span><\/span>\r\n[client]<\/span>\r\ndefault-character-set<\/span>=<\/span>utf8<\/span>\r\n\u200b<\/span>\r\n[mysqld]<\/span>\r\ncharacter-set-server<\/span>=<\/span>utf8mb4<\/span>\r\n#\u5141\u8bb8\u6700\u5927\u8fde\u63a5\u6570<\/span><\/span>\r\nmax_connections<\/span>=<\/span>200<\/span><\/span>\r\n#\u5141\u8bb8\u8fde\u63a5\u5931\u8d25\u7684\u6b21\u6570,\u8fd9\u662f\u4e3a\u4e86\u9632\u6b62\u6709\u4eba\u4ece\u8be5\u4e3b\u673a\u8bd5\u56fe\u653b\u51fb\u6570\u636e\u5e93\u7cfb\u7edf<\/span><\/span>\r\nmax_connect_errors<\/span>=<\/span>10<\/span><\/span>\r\n\u200b<\/span>\r\n# innodb \u4f18\u5316<\/span><\/span>\r\n# \u521b\u5efa\u65b0\u8868\u65f6\u5c06\u4f7f\u7528\u7684\u9ed8\u8ba4\u5b58\u50a8\u5f15\u64ce<\/span><\/span>\r\ndefault-storage-engine<\/span>=<\/span>INNODB<\/span>\r\n# \u7f13\u5b58\u6c60<\/span><\/span>\r\ninnodb_buffer_pool_size<\/span>=<\/span>8G<\/span>\r\n# \u810f\u9875\u5360innodb_buffer_pool_size\u7684\u6bd4\u4f8b\u65f6\uff0c\u89e6\u53d1\u5237\u810f\u9875\u5230\u78c1\u76d8<\/span><\/span>\r\n# 25%~50%<\/span><\/span>\r\ninnodb_max_dirty_pages_pct<\/span>=<\/span>30<\/span><\/span>\r\n# \u9650\u5236Innodb\u80fd\u6253\u5f00\u7684\u8868\u7684\u6570\u636e\uff0c\u5982\u679c\u5e93\u91cc\u7684\u8868\u7279\u522b\u591a\u7684\u60c5\u51b5\uff0c\u8bf7\u589e\u52a0\u8fd9\u4e2a\u3002\u8fd9\u4e2a\u503c\u9ed8\u8ba4\u662f300<\/span><\/span>\r\ninnodb_open_files =<\/span> 500<\/span><\/span>\r\n# \u6b64\u53c2\u6570\u786e\u5b9a\u5199\u65e5\u5fd7\u6587\u4ef6\u6240\u7528\u7684\u5185\u5b58\u5927\u5c0f\uff0c\u4ee5M\u4e3a\u5355\u4f4d\u3002\u7f13\u51b2\u533a\u66f4\u5927\u80fd\u63d0\u9ad8\u6027\u80fd\uff0c\u4f46\u610f\u5916\u7684\u6545\u969c\u5c06\u4f1a\u4e22\u5931\u6570\u636e\u3002MySQL\u5f00\u53d1\u4eba\u5458\u5efa\u8bae\u8bbe\u7f6e\u4e3a1\uff0d8M\u4e4b\u95f4<\/span><\/span>\r\ninnodb_log_buffer_size =<\/span> 2M<\/span>\r\n\u200b<\/span>\r\n#\u5f00\u542f\u8bb0\u5f55\u6162\u67e5\u8be2 \u8bbe\u7f6e\u6162\u67e5\u8be2\u754c\u5b9a\u65f6\u95f4\u4e3a1\u79d2<\/span><\/span>\r\nlong_query_time<\/span>=<\/span>1<\/span><\/span>\r\nslow-query-log<\/span>=<\/span>On<\/span>\r\nslow_query_log_file<\/span>=<\/span>\"mysql_slow_query.log\"<\/span><\/span>\r\n\u200b<\/span>\r\ntransaction_isolation =<\/span> READ-COMMITTED<\/span>\r\ncharacter-set-server =<\/span> utf8mb4<\/span>\r\ncollation-server =<\/span> utf8mb4_general_ci<\/span>\r\n# lower_case_table_names = 1 \u8fd9\u4e2a\u4e0d\u80fd\u8981<\/span><\/span>\r\n\u200b<\/span>\r\n#skip-grant-tables<\/span><\/span>\r\n[mysql]<\/span>\r\ndefault-character-set<\/span>=<\/span>utf8mb4<\/span>\r\n\u200b<\/span><\/pre>\n","protected":false},"excerpt":{"rendered":"
1.\u79fb\u9664mariadb # \u67e5\u8be2\u662f\u5426\u5b89\u88c5mariadb # RedHat Package Manger\uff08Red … \u7ee7\u7eed\u9605\u8bfbCentos \u5b89\u88c5mysql8<\/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":[4,5],"tags":[],"class_list":["post-816","post","type-post","status-publish","format-standard","hentry","category-4","category-5"],"_links":{"self":[{"href":"https:\/\/www.dd-home.top\/index.php?rest_route=\/wp\/v2\/posts\/816","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dd-home.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dd-home.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dd-home.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dd-home.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=816"}],"version-history":[{"count":6,"href":"https:\/\/www.dd-home.top\/index.php?rest_route=\/wp\/v2\/posts\/816\/revisions"}],"predecessor-version":[{"id":832,"href":"https:\/\/www.dd-home.top\/index.php?rest_route=\/wp\/v2\/posts\/816\/revisions\/832"}],"wp:attachment":[{"href":"https:\/\/www.dd-home.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=816"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dd-home.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=816"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dd-home.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=816"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}