{"id":317,"date":"2022-06-21T14:16:16","date_gmt":"2022-06-21T06:16:16","guid":{"rendered":"https:\/\/frogvps.com\/?p=317"},"modified":"2022-06-21T14:16:17","modified_gmt":"2022-06-21T06:16:17","slug":"mysql%e7%9a%84%e7%94%a8%e6%88%b7%e7%ae%a1%e7%90%86%e5%92%8c%e6%9d%83%e9%99%90%e8%ae%be%e7%bd%ae","status":"publish","type":"post","link":"https:\/\/frogvps.com\/?p=317","title":{"rendered":"MYSQL\u7684\u7528\u6237\u7ba1\u7406\u548c\u6743\u9650\u8bbe\u7f6e"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">MySQL \u7528\u6237\u7ba1\u7406<\/h2>\n\n\n\n<p><strong>\u76f8\u5173\u6570\u636e\u5e93\u548c\u8868<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u5143\u6570\u636e\u6570\u636e\u5e93\uff1amysql<\/li><li>\u7cfb\u7edf\u6388\u6743\u8868\uff1adb\uff0chost\uff0cuser\uff0ccolumns_priv\uff0ctables_priv\uff0cprocs_priv\uff0cproxies_priv<\/li><\/ul>\n\n\n\n<p><strong>\u7528\u6237\u5e10\u53f7<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>'USERNAME'@'HOST'<\/code><\/pre>\n\n\n\n<p>HOST\u652f\u6301\u901a\u914d\u7b26<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>root@192.168.1.%<\/code><\/pre>\n\n\n\n<p><strong>\u521b\u5efa\u7528\u6237<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>CREATE USER 'USERNAME'@'HOST' &#91;IDENTIFIED BY 'password'];<\/code><\/pre>\n\n\n\n<p><strong>\u7528\u6237\u91cd\u547d\u540d<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>RENAME USER old_user_name TO new_user_name;<\/code><\/pre>\n\n\n\n<p><strong>\u5220\u9664\u7528\u6237<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>DROP USER 'USERNAME'@'HOST';<\/code><\/pre>\n\n\n\n<p><strong>\u8303\u4f8b\uff1a\u5220\u9664\u9ed8\u8ba4\u7684\u7a7a\u7528\u6237<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>DROP USER ''@'localhost';<\/code><\/pre>\n\n\n\n<p><strong>MYSQL\u600e\u4e48\u4fee\u6539\u7528\u6237\u5bc6\u7801\uff1a<\/strong><\/p>\n\n\n\n<p>\u65b0\u7248mysql\u4e2d\u7528\u6237\u5bc6\u7801\u53ef\u4ee5\u4fdd\u5b58\u5728mysql.user\u8868\u7684authentication_string\u5b57\u6bb5\u4e2d\u3002<br>\u5982\u679cmysql.user\u8868\u7684authentication_string\u548cpassword\u5b57\u6bb5\u90fd\u4fdd\u5b58\u5bc6\u7801\uff0cauthentication_string\u4f18\u5148\u751f\u6548\u3002<\/p>\n\n\n\n<p>\u65b9\u6cd51\uff1a\u5c06\u5bc6\u7801123456\u52a0\u5bc6\u540e\u5b58\u653e\u5728mysql.user\u8868\u4e2d<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>set password for root@'localhost'='123456';<\/code><\/pre>\n\n\n\n<p>\u65b9\u6cd52\uff1a\u901a\u7528\u6539\u5bc6\u7801\u65b9\u6cd5<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ALTER USER root@'localhost' IDENTIFIED BY '123456';<\/code><\/pre>\n\n\n\n<p><strong>MYSQL\u5fd8\u8bb0root\u5bc6\u7801\u7684\u7834\u89e3\u65b9\u6cd5\uff1a<\/strong><\/p>\n\n\n\n<p>\u5728MYSQL\u670d\u52a1\u7aef\u914d\u7f6e\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u9009\u9879<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;mysqld]\nskip-grant-tables<\/code><\/pre>\n\n\n\n<p>\u91cd\u542f\u670d\u52a1<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>systemctl restart mysqld<\/code><\/pre>\n\n\n\n<p>\u968f\u4fbf\u7528\u4e00\u4e2a\u4e0d\u5b58\u5728\u7684\u7528\u6237\u767b\u5f55\u6570\u636e\u5e93\uff08\u4e0d\u8981\u7528root\uff09<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>mysql -uaaa<\/code><\/pre>\n\n\n\n<p>\u5237\u65b0\u6743\u9650<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>flush privileges;<\/code><\/pre>\n\n\n\n<p>\u4fee\u6539root\u5bc6\u7801<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ALTER USER root@'localhost' IDENTIFIED BY '12345678';<\/code><\/pre>\n\n\n\n<p>\u6700\u540e\u628a\u521a\u624d\u7684\u914d\u7f6e\u6587\u4ef6\u6ce8\u91ca\u6389<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;mysqld]\n#skip-grant-tables<\/code><\/pre>\n\n\n\n<p>\u91cd\u542f\u670d\u52a1\uff0c\u6b63\u5e38\u767b\u5f55<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>systemctl restart mysqld\nmysql -uroot -p12345678<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u6388\u6743GRANT<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>GRANT priv_type &#91;(column_list)],... ON &#91;object_type] priv_level TO 'user'@'host'\n&#91;IDENTIFIED BY 'password'] &#91;WITH GRANT OPTION];\n\npriv_type: ALL &#91;PRIVILEGES]\nobject_type:TABLE | FUNCTION | PROCEDURE\npriv_level: *(\u6240\u6709\u5e93) |*.* | db_name.* | db_name.tbl_name | tbl_name(\u5f53\u524d\u5e93\u7684\u8868) | db_name.routine_name(\u6307\u5b9a\u5e93\u7684\u51fd\u6570,\u5b58\u50a8\u8fc7\u7a0b,\u89e6\u53d1\u5668)\n\nwith_option: GRANT OPTION\n| MAX_QUERIES_PER_HOUR count\n| MAX_UPDATES_PER_HOUR count\n| MAX_CONNECTIONS_PER_HOUR count\n| MAX_USER_CONNECTIONS count<\/code><\/pre>\n\n\n\n<p><strong>\u8303\u4f8b\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>GRANT ALL ON wordpress.* TO wordpress@'10.0.0.%';<\/code><\/pre>\n\n\n\n<p><em>\u6ce8\uff1a\u521b\u5efa\u7528\u6237\u548c\u6388\u6743\u540c\u65f6\u6267\u884c\u7684\u65b9\u5f0f\u5728MySQL8.0\u53d6\u6d88\u4e86<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u53d6\u6d88\u6743\u9650REVOKE<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>REVOKE priv_type &#91;(column_list)] &#91;, priv_type &#91;(column_list)]] ... ON\n&#91;object_type] priv_level FROM user &#91;, user] ...<\/code><\/pre>\n\n\n\n<p><strong>\u8303\u4f8b\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>REVOKE DELETE ON *.* FROM 'testuser'@'10.0.0.%';<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u67e5\u770bMYSQL\u7528\u6237\u7684\u6743\u9650<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>SHOW GRANTS FOR 'user'@'host';\nSHOW GRANTS FOR CURRENT_USER&#91;()];<\/code><\/pre>\n\n\n\n<p>MYSQL\u901a\u5e38\u4f1a\u81ea\u52a8\u91cd\u8bfb\u6388\u6743\u8868\uff0c\u4f7f\u4e4b\u751f\u6548\u3002\u5bf9\u4e8e\u4e0d\u80fd\u53ca\u65f6\u91cd\u8bfb\u6388\u6743\u8868\u7684\uff0c\u53ef\u4ee5\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u624b\u52a8\u8bfb\u53d6\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>FLUSH PRIVILEGES;<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>MySQL \u7528\u6237\u7ba1\u7406 \u76f8\u5173\u6570\u636e\u5e93\u548c\u8868 \u5143\u6570\u636e\u6570\u636e\u5e93\uff1amysql \u7cfb\u7edf\u6388\u6743\u8868\uff1adb\uff0chost\uff0cuser\uff0ccolumns_priv\uff0ctables_priv\uff0cprocs_priv\uff0cproxies_priv \u7528\u6237\u5e10\u53f7 HOST\u652f\u6301\u901a\u914d\u7b26 \u521b\u5efa\u7528\u6237 &#8230;<\/p>\n","protected":false},"author":1,"featured_media":283,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35],"tags":[36],"topic":[],"class_list":["post-317","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-35","tag-mysql"],"_links":{"self":[{"href":"https:\/\/frogvps.com\/index.php?rest_route=\/wp\/v2\/posts\/317","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/frogvps.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/frogvps.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/frogvps.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/frogvps.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=317"}],"version-history":[{"count":1,"href":"https:\/\/frogvps.com\/index.php?rest_route=\/wp\/v2\/posts\/317\/revisions"}],"predecessor-version":[{"id":318,"href":"https:\/\/frogvps.com\/index.php?rest_route=\/wp\/v2\/posts\/317\/revisions\/318"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/frogvps.com\/index.php?rest_route=\/wp\/v2\/media\/283"}],"wp:attachment":[{"href":"https:\/\/frogvps.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=317"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/frogvps.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=317"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/frogvps.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=317"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/frogvps.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftopic&post=317"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}