{"id":4575,"date":"2014-12-18T17:27:16","date_gmt":"2014-12-18T15:27:16","guid":{"rendered":"http:\/\/skeletor.org.ua\/?p=4575"},"modified":"2014-12-18T17:27:16","modified_gmt":"2014-12-18T15:27:16","slug":"mysql-%d1%81%d0%b1%d1%80%d0%be%d1%81-%d0%bf%d0%b0%d1%80%d0%be%d0%bb%d1%8f-roota-%d0%b1%d0%b5%d0%b7-%d1%80%d0%b5%d1%81%d1%82%d0%b0%d1%80%d1%82%d0%b0-%d1%81%d0%b5%d1%80%d0%b2%d0%b5%d1%80%d0%b0","status":"publish","type":"post","link":"https:\/\/skeletor.org.ua\/?p=4575","title":{"rendered":"[mysql] \u0421\u0431\u0440\u043e\u0441 \u043f\u0430\u0440\u043e\u043b\u044f root&#8217;a \u0431\u0435\u0437 \u0440\u0435\u0441\u0442\u0430\u0440\u0442\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u0430"},"content":{"rendered":"<p>\u0414\u0430\u043d\u043d\u0430\u044f \u0441\u0442\u0430\u0442\u044c\u044f \u043d\u043e\u0441\u0438\u0442 \u0432\u043e\u043b\u044c\u043d\u044b\u0439 \u043f\u0435\u0440\u0435\u0432\u043e\u0434 <a href=\"http:\/\/www.percona.com\/blog\/2014\/12\/10\/recover-mysql-root-password-without-restarting-mysql-no-downtime\/\" target=\"_blank\">\u0441\u0442\u0430\u0442\u044c\u0438<\/a>.<\/p>\n<p>\u0418 \u0442\u0430\u043a: \u0438\u0434\u0435\u044f \u0442\u0430\u043a\u0430\u044f: \u043f\u043e\u0434\u043d\u044f\u0442\u044c \u00a0\u0432\u0442\u043e\u0440\u043e\u0439 \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440 <strong>mysql<\/strong>, \u0432\u044b\u0441\u0442\u0430\u0432\u0438\u0442\u044c \u043d\u0443\u0436\u043d\u044b\u0439 \u043f\u0430\u0440\u043e\u043b\u044c, \u043f\u043e\u0434\u043c\u0435\u043d\u0438\u0442\u044c \u0444\u0430\u0439\u043b\u044b \u0442\u0430\u0431\u043b\u0438\u0446\u044b <strong>user<\/strong> (<strong><span class=\"crayon-v\">user<\/span><span class=\"crayon-e\">.MYD,\u00a0<span class=\"crayon-v\">user<\/span><span class=\"crayon-e\">.MYI<\/span><\/span><\/strong>) \u0431\u0430\u0437\u044b <strong>mysql<\/strong> \u0438 \u043f\u043e\u0441\u043b\u0430\u0442\u044c \u0441\u0438\u0433\u043d\u0430\u043b\u00a0<strong>SIGHUP<\/strong> \u043d\u0430\u0448\u0435\u043c\u0443 <strong>mysql&#8217;\u044e<\/strong> \u0447\u0442\u043e \u0431\u044b \u043e\u043d \u0437\u0430\u043d\u043e\u0432\u043e \u043f\u0435\u0440\u0435\u0447\u0438\u0442\u0430\u043b <strong>grant&#8217;\u044b<\/strong>. \u041f\u0440\u0438\u0441\u0442\u0443\u043f\u0438\u043c<\/p>\n<p><!--more--><\/p>\n<p><strong><span style=\"color: #ff0000;\">1) \u0421\u043e\u0437\u0434\u0430\u0451\u043c \u0431\u0430\u0437\u0443 \u0438 \u0441\u0440\u0430\u0437\u0443 \u0441\u0442\u0430\u0440\u0442\u0443\u0435\u043c \u0435\u0451:<\/span><\/strong><\/p>\n<p><code>[root@machina dbdata]# mkdir datadir<br \/>\n[root@machina dbdata]# chown -R mysql:mysql datadir\/<br \/>\n[root@machina dbdata]# mysql_install_db --datadir=\/dbdata\/datadir\/ --user=mysql<br \/>\nInstalling MySQL system tables...OK<br \/>\nFilling help tables...OK<br \/>\n[root@machina datadir]# \/usr\/sbin\/mysqld --basedir=\/usr --datadir=\/dbdata\/datadir --plugin-dir=\/usr\/lib\/mysql\/plugin --skip-innodb --default-storage-engine=myisam --socket=\/var\/run\/mysqld\/mysql2.sock --port=3307\u00a0--user=mysql --log-error=\/dblogs\/log\/error2.log --pid-file=\/dbdata\/data\/mysql.pid &amp;<br \/>\n<\/code><\/p>\n<p><strong><span style=\"color: #ff0000;\">2) \u041a\u043e\u043f\u0438\u0440\u0443\u0435\u043c \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b\u044c\u043d\u044b\u0435 \u0444\u0430\u0439\u043b\u044b user.* \u0438\u0437 \u043d\u0430\u0448\u0435\u0439 \u0438\u0441\u0445\u043e\u0434\u043d\u043e\u0439 \u0431\u0430\u0437\u044b:<\/span><\/strong><\/p>\n<p><code>[root@machina ~]# cp \/dbdata\/data\/mysql\/user.* \/dbdata\/datadir\/mysql\/cp: overwrite `\/dbdata\/datadir\/mysql\/user.frm'? y<br \/>\ncp: overwrite `\/dbdata\/datadir\/mysql\/user.MYD'? y<br \/>\ncp: overwrite `\/dbdata\/datadir\/mysql\/user.MYI'? y<br \/>\n[root@machina datadir]# mysql --socket=\/var\/run\/mysqld\/mysql2.sock -p<br \/>\nEnter password:<br \/>\nWelcome to the MySQL monitor. Commands end with ; or g.<br \/>\n<\/code><\/p>\n<p><strong><span style=\"color: #ff0000;\">3) \u0414\u0435\u043b\u0430\u0435\u043c flush:<\/span><\/strong><\/p>\n<pre>mysql2&gt; flush tables;\r\nmysql2&gt; select user, host, password from user where user like 'root';\r\n+------+--------------------------------------+------------------------------------------+\r\n| user | host\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 | password\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 |\r\n+------+--------------------------------------+------------------------------------------+\r\n| root | localhost\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 | 696D727429CC43695423FA5F2F0155D92A0AAC08 |\r\n| root | 127.0.0.1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 | 696D727429CC43695423FA5F2F0155D92A0AAC08 |\r\n| root | %\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 | 696D727429CC43695423FA5F2F0155D92A0AAC08 |\r\n+------+--------------------------------------+------------------------------------------+\r\n3 rows in set (0.00 sec)\r\n<\/pre>\n<p>\u041e\u0431\u043d\u043e\u0432\u043b\u044f\u0435\u043c \u043f\u0430\u0440\u043e\u043b\u044c:<\/p>\n<pre>mysql2&gt; update mysql.user set password='*696D727429CC43695423FA5F2F0155D92A0AAC08' where user like 'root';\r\nQuery OK, 3 rows affected (0.00 sec)\r\nRows matched: 3\u00a0 Changed: 3\u00a0 Warnings: 0\r\n<\/pre>\n<p>\u041f\u0440\u043e\u0432\u0435\u0440\u044f\u0435\u043c:<\/p>\n<pre>mysql2&gt; select user, host, password from user where user like 'root';\r\n+------+--------------------------------------+-------------------------------------------+\r\n| user | host\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 | password\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 |\r\n+------+--------------------------------------+-------------------------------------------+\r\n| root | localhost\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 | *696D727429CC43695423FA5F2F0155D92A0AAC08 |\r\n| root | 127.0.0.1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 | *696D727429CC43695423FA5F2F0155D92A0AAC08 |\r\n| root | %\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 | *696D727429CC43695423FA5F2F0155D92A0AAC08 |\r\n+------+--------------------------------------+-------------------------------------------+\r\n3 rows in set (0.00 sec)\r\n<\/pre>\n<p>\u0414\u0435\u043b\u0430\u0435\u043c <strong>flush<\/strong>:<\/p>\n<pre>mysql2&gt; flush privileges;\r\nQuery OK, 0 rows affected (0.00 sec)\r\n<\/pre>\n<p><strong><span style=\"color: #ff0000;\">4) \u041a\u043e\u043f\u0438\u0440\u0443\u0435\u043c \u043e\u0431\u0440\u0430\u0442\u043d\u043e \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0451\u043d\u043d\u0443\u044e \u0442\u0430\u0431\u043b\u0438\u0446\u0443:<\/span><\/strong><\/p>\n<p><code>[root@machina ~]# cd \/dbdata\/datadir\/mysql\/<br \/>\n[root@machina mysql]# cp user.* \/dbdata\/data\/mysql\/; chown mysql:mysql \/dbdata\/data\/mysql\/user.*; chmod 660 \/dbdata\/data\/mysql\/user.*<br \/>\ncp: overwrite `\/dbdata\/data\/mysql\/user.frm'? y<br \/>\ncp: overwrite `\/dbdata\/data\/mysql\/user.MYD'? y<br \/>\ncp: overwrite `\/dbdata\/data\/mysql\/user.MYI'? y<\/code><\/p>\n<p>\u0438 \u043f\u043e\u0441\u044b\u043b\u0430\u0435\u043c \u0441\u0438\u0433\u043d\u0430\u043b <strong>SIGHUP<\/strong><\/p>\n<p><code>[root@machina datadir]# kill -1 $(\/sbin\/pidof mysqld)<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0414\u0430\u043d\u043d\u0430\u044f \u0441\u0442\u0430\u0442\u044c\u044f \u043d\u043e\u0441\u0438\u0442 \u0432\u043e\u043b\u044c\u043d\u044b\u0439 \u043f\u0435\u0440\u0435\u0432\u043e\u0434 \u0441\u0442\u0430\u0442\u044c\u0438. \u0418 \u0442\u0430\u043a: \u0438\u0434\u0435\u044f \u0442\u0430\u043a\u0430\u044f: \u043f\u043e\u0434\u043d\u044f\u0442\u044c \u00a0\u0432\u0442\u043e\u0440\u043e\u0439 \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440 mysql, \u0432\u044b\u0441\u0442\u0430\u0432\u0438\u0442\u044c \u043d\u0443\u0436\u043d\u044b\u0439 \u043f\u0430\u0440\u043e\u043b\u044c, \u043f\u043e\u0434\u043c\u0435\u043d\u0438\u0442\u044c \u0444\u0430\u0439\u043b\u044b \u0442\u0430\u0431\u043b\u0438\u0446\u044b user (user.MYD,\u00a0user.MYI) \u0431\u0430\u0437\u044b mysql \u0438 \u043f\u043e\u0441\u043b\u0430\u0442\u044c \u0441\u0438\u0433\u043d\u0430\u043b\u00a0SIGHUP \u043d\u0430\u0448\u0435\u043c\u0443 mysql&#8217;\u044e \u0447\u0442\u043e \u0431\u044b \u043e\u043d \u0437\u0430\u043d\u043e\u0432\u043e \u043f\u0435\u0440\u0435\u0447\u0438\u0442\u0430\u043b grant&#8217;\u044b. \u041f\u0440\u0438\u0441\u0442\u0443\u043f\u0438\u043c<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-4575","post","type-post","status-publish","format-standard","hentry","category-databases"],"_links":{"self":[{"href":"https:\/\/skeletor.org.ua\/index.php?rest_route=\/wp\/v2\/posts\/4575","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/skeletor.org.ua\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/skeletor.org.ua\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/skeletor.org.ua\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/skeletor.org.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4575"}],"version-history":[{"count":1,"href":"https:\/\/skeletor.org.ua\/index.php?rest_route=\/wp\/v2\/posts\/4575\/revisions"}],"predecessor-version":[{"id":4576,"href":"https:\/\/skeletor.org.ua\/index.php?rest_route=\/wp\/v2\/posts\/4575\/revisions\/4576"}],"wp:attachment":[{"href":"https:\/\/skeletor.org.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4575"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/skeletor.org.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4575"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/skeletor.org.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4575"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}