{"id":916,"date":"2022-09-05T21:50:09","date_gmt":"2022-09-05T13:50:09","guid":{"rendered":"https:\/\/www.dd-home.top\/?p=916"},"modified":"2022-09-07T15:27:36","modified_gmt":"2022-09-07T07:27:36","slug":"centos-%e5%ae%89%e8%a3%85mysql8-2","status":"publish","type":"post","link":"https:\/\/www.dd-home.top\/?p=916","title":{"rendered":"Centos \u5b89\u88c5mysql8"},"content":{"rendered":"

<\/p>\n

1.\u79fb\u9664MARIADB<\/h6>\n
# \u67e5\u8be2\u662f\u5426\u5b89\u88c5mariadb\r\n# RedHat Package Manger\uff08RedHat\u8f6f\u4ef6\u7ba1\u7406\u5de5\u5177)\r\n# -qa query all\r\n# grep (global search rgular expression(RE) and print out the line) \u6587\u672c\u641c\u7d22\r\nrpm -qa|grep mariadb\r\n\r\n# \u79fb\u9664mariadb\r\nyum remove mariadb\r\n\r\n# \u67e5\u770bmysql\u7684\u914d\u7f6e\u7c7b\u6587\u4ef6\u4fe1\u606f\r\nls \/etc\/my.cnf\r\nll \/var\/lib\/mysql\/\r\n\r\n# \u79fb\u9664mysql \u914d\u7f6e\u4fe1\u606f\r\nrm -rf \/etc\/my.cnf\r\nrm -rf \/var\/lib\/mysql\/\r\n\r\n# \u67e5\u770b\u662f\u5426\u6709mysql \u670d\u52a1\r\nsystemctl service mysql<\/code><\/pre>\n
<\/h6>\n
2.\u5904\u7406CENTOS \u7cfb\u7edf\u4fe1\u606f<\/h6>\n
# \u67e5\u770bcentos \u7248\u672c\r\ncat \/etc\/redhat-release\r\n<\/code><\/pre>\n
3.\u5904\u7406\u4e4b\u524d\u7248\u672c\u7684MYSQL<\/h6>\n
# \u67e5\u770bmysql \u5b89\u88c5\u4fe1\u606f\r\nrpm -qa | grep -i mysql\r\n\r\n# \u79fb\u9664mysql\r\nyum -y remove MySQL-*\r\n\r\n# \u67e5\u8be2\u548cmysql \u76f8\u5173\u7684\u4fe1\u606f\r\nfind \/ -name mysql\r\n\r\n# \u79fb\u9664\u5bf9\u5e94\u7684\u6587\u4ef6 rm -rf \u8def\u5f84\u7684\u65b9\u5f0f\r\n# \u4e00\u884c\u884c\u590d\u5236\u5427\r\nrm -rf \/etc\/selinux\/targeted\/active\/modules\/100\/mysql\r\nrm -rf \/usr\/lib64\/mysql\/\r\nrm -rf \/usr\/share\/mysql\/<\/code><\/pre>\n
4.\u5b89\u88c5MYSQL<\/h6>\n
# \u5347\u7ea7Mysql\u8f6f\u4ef6\u5305--Update\r\nsudo rpm -Uvh https:\/\/dev.mysql.com\/get\/mysql80-community-release-el7-3.noarch.rpm\r\n\r\n#\u5b89\u88c5mysql\r\nsudo yum --enablerepo=mysql80-community install mysql-community-server\r\n\r\n# \u542f\u52a8mysql \u670d\u52a1\r\nsudo service mysqld start\r\n\r\n# \u67e5\u770bmysql \u72b6\u6001\r\nservice mysqld status<\/code><\/pre>\n
5.\u914d\u7f6eMYSQL<\/h6>\n
# \u67e5\u770bmysql \u4e34\u65f6\u5bc6\u7801\r\ngrep \"A temporary password\" \/var\/log\/mysqld.log\r\n\r\n# \u590d\u5236mysql \u4e34\u65f6\u5bc6\u7801 (+qys+gt?l4oE)\r\n# \u767b\u9646mysql\r\nmysql -uroot -p\r\n\r\n# \u8f93\u5165\u4e34\u65f6\u5bc6\u7801\r\n\r\n# \u4fee\u6539root \u5bc6\u7801\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.\r\nalter user user() identified by \"Aa123456@\";\r\n\r\n# \u67e5\u8be2\u5bc6\u7801\u7b56\u7565\r\nuse mysql;\r\nselect user,plugin from user where user='root';\r\n\r\n# \u5bc6\u7801\u7b56\u7565\u4e3a caching_sha2_password\r\n\r\n# \u67e5\u8be2\u7528\u6237\u53cahost\u4fe1\u606f\r\nselect user,host from user;\r\n\r\n# \u4fee\u6539\u7528\u6237\u53ca\u5bc6\u7801\r\nalter user 'root'@'localhost' identified with mysql_native_password by 'Aa123456@';\r\n\r\n# \u67e5\u770bmysql \u7528\u6237\u7684\u52a0\u5bc6\u65b9\u5f0f\r\nselect user,plugin from user where user='root';\r\n\r\n# \u767b\u9646mysql use mysql;\r\n# \u6dfb\u52a0\u4e00\u4e2a\u7528\u6237\r\nCREATE USER 'root'@'%' IDENTIFIED BY 'Aa123456@';\r\n\r\n# \u7ed9\u7528\u6237\u8d4b\u6743\u9650\r\nGRANT ALL ON *.* TO 'root'@'%';\r\n\r\n# \u8bbe\u7f6e\u5bc6\u7801\u6c38\u4e0d\u8fc7\u671f\r\nALTER USER 'root'@'%' IDENTIFIED BY 'Aa123456@' PASSWORD EXPIRE NEVER;  \r\n\r\n# \u8bbe\u7f6e\u5bc6\u7801\u7684\u52a0\u5bc6\u65b9\u5f0f\r\nALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY 'Aa123456@';\r\n\r\n# \u5237\u65b0\u6743\u9650\r\nFLUSH PRIVILEGES;\r\n\r\n# \u9000\u51famysql\r\n# \u7f16\u8f91my.cnf\u6587\u4ef6\r\n\r\n# \u67e5\u627emy.cnf \u6587\u4ef6\u6dfb\u52a0\r\n\r\nfind \/ -name my.cnf\r\n\r\n# \u7f16\u8f91my.cnf \u6587\u4ef6,\u6dfb\u52a0\u4e0b\u9762\u6587\u5b57 \r\ndefault_authentication_plugin=mysql_native_password\r\n\r\n# \u6dfb\u52a0\u4ee5\u4e0b\u5b57\u6bb5\r\n\r\nvi \/etc\/my.cnf\r\nsql_mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION\r\n\r\n# \u4fdd\u5b58\u540e\u91cd\u542fmysql \u670d\u52a1\r\nservice mysqld restart\r\n<\/code><\/pre>\n
5.1MYSQL\u521d\u59cb\u5316\u5bc6\u7801\u9519\u8bef<\/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\r\nFLUSH PRIVILEGES;\r\n# \u7136\u540e\u53ef\u4ee5\u9488\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u4fee\u6539<\/code><\/pre>\n
6.\u5904\u7406MYSQL\u7aef\u53e3<\/h6>\n
# \u6dfb\u52a0\u9632\u706b\u5899\u7aef\u53e3\r\nfirewall-cmd --zone=public --add-port=3306\/tcp --permanent\r\n\r\n# \u91cd\u542f\u9632\u706b\u5899\r\nsystemctl restart firewalld.service<\/code><\/pre>\n
7.MYSQL \u5e38\u7528\u547d\u4ee4<\/h6>\n
# \u5f00\u542fmysql\r\nservice mysqld start\r\n# \u5173\u95ed\u670d\u52a1\r\nservice mysqld stop\r\n# \u91cd\u542f\u670d\u52a1\r\nservice mysqld restart\r\n# \u67e5\u770b\u72b6\u6001\r\nservice mysqld status<\/code><\/pre>\n
8.\u67e5\u770b\u5df2\u7ecf\u5f00\u542f\u7684\u670d\u52a1<\/h6>\n
systemctl list-unit-files|grep enabled<\/code><\/pre>\n
9.\u670d\u52a1\u5668\u4f18\u5316\u5904\u7406<\/h6>\n
# \u7f16\u8f91 \/etc\/my.cnf \u6587\u4ef6,\u4fee\u6539\r\n[client]\r\ndefault-character-set=utf8\r\n\r\n[mysqld]\r\ncharacter-set-server=utf8mb4\r\n#\u5141\u8bb8\u6700\u5927\u8fde\u63a5\u6570\r\nmax_connections=200\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\r\nmax_connect_errors=10\r\n\r\n# innodb \u4f18\u5316\r\n# \u521b\u5efa\u65b0\u8868\u65f6\u5c06\u4f7f\u7528\u7684\u9ed8\u8ba4\u5b58\u50a8\u5f15\u64ce\r\ndefault-storage-engine=INNODB\r\n# \u7f13\u5b58\u6c60\r\ninnodb_buffer_pool_size=8G\r\n# \u810f\u9875\u5360innodb_buffer_pool_size\u7684\u6bd4\u4f8b\u65f6\uff0c\u89e6\u53d1\u5237\u810f\u9875\u5230\u78c1\u76d8\r\n# 25%~50%\r\ninnodb_max_dirty_pages_pct=30\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\r\ninnodb_open_files = 500\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\r\ninnodb_log_buffer_size = 2M\r\n\r\n#\u5f00\u542f\u8bb0\u5f55\u6162\u67e5\u8be2 \u8bbe\u7f6e\u6162\u67e5\u8be2\u754c\u5b9a\u65f6\u95f4\u4e3a1\u79d2\r\nlong_query_time=1\r\nslow-query-log=On\r\nslow_query_log_file=\"mysql_slow_query.log\"\r\n\r\ntransaction_isolation = READ-COMMITTED\r\ncharacter-set-server = utf8mb4\r\ncollation-server = utf8mb4_general_ci\r\n# lower_case_table_names = 1 \u8fd9\u4e2a\u4e0d\u80fd\u8981\r\n\r\n#skip-grant-tables\r\n[mysql]\r\ndefault-character-set=utf8mb4<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,5,6],"tags":[],"class_list":["post-916","post","type-post","status-publish","format-standard","hentry","category-4","category-5","category-6"],"_links":{"self":[{"href":"https:\/\/www.dd-home.top\/index.php?rest_route=\/wp\/v2\/posts\/916","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=916"}],"version-history":[{"count":2,"href":"https:\/\/www.dd-home.top\/index.php?rest_route=\/wp\/v2\/posts\/916\/revisions"}],"predecessor-version":[{"id":923,"href":"https:\/\/www.dd-home.top\/index.php?rest_route=\/wp\/v2\/posts\/916\/revisions\/923"}],"wp:attachment":[{"href":"https:\/\/www.dd-home.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=916"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dd-home.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=916"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dd-home.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=916"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}