导致该问题,可能是某种情况下/usr/local/mysql/data的所有者或者所属组发生了变化。上面终端使用的chown命名将/usr/local/mysql/data目录下所有文件所有者改成mysql即解决该问题。
(as set using the--datadiroption formysqld) is owned by themysqluser, and that the SQL node'smy.cnffile includesuser=mysqlin the[mysqld]section. Alternatively, you can start the MySQL server process with--user=mysqlon the command line, but it is preferable to use themy.cnfoption, ...
错误如下: Warring the /usr/local/mysql/data directory isnotowned by the 'mysql' or '_mysql' user 1. 这应该是某种情况下导致/usr/local/mysql/data的宿主发生了改变。 解决方法:终端输入: sudo chown -R mysql /usr/local/mysql/data 或者 sudo chown -R _mysql:wheel/usr/local/mysql/data 参数说...
Will be overwritten by a non-zero value by the consumer of the block */ #define BUF_BUDDY_STAMP_NONFREE 0XFFFFFFFFUL /** Return type of buf_buddy_is_free() */ enum buf_buddy_state_t { BUF_BUDDY_STATE_FREE, /*!< If the buddy to completely free */ BUF_BUDDY_STATE_USED, /*!
Full permissions are granted to the user executing MySQL Configurator to all generated files, such asmy.ini. This does not apply to files and directories for specific products, such as the MySQL server data directory in%ProgramData%that is owned bySYSTEM. ...
Note that any file created by INTO OUTFILE and INTO DUMPFILE is going to be readable for all users! The reason is that MySQL server can’t create a file that is owned by anyone other than the user it’s running as (you should never run mysqld as root). Therefore, the file has to...
1. 禁止使用not in,not exists子查询,改用left join … where b.x is null / = ‘’; 3.2.8.6 排序索引 1.对应索引顺序不能错,否则不会使用索引1.对于排序数据优化器会综合考虑全加载到内存进行fileSort更快还是使用索引排序更好。尽量使用上索引排序1.当使用where ... order by时,也能用上索引 ...
last_record变量用来判断当前记录写入连接缓存后,连接缓存是否还有足够的空间来存储新的记录。*is_full=last_record用来将变个标志传递到调用点:put_record_in_cache。当连接缓存中写满了记录后,put_record函数会触发join_record函数。 bool JOIN_CACHE::put_record_in_cache() { bool is_full; uchar *link= ...
killall mysqld fi while :; do sleep 0.1 if [ -f /etc/ld.so.preload ]; then echo $PRIVESCLIB > /etc/ld.so.preload rm -f $ERRORLOG break; fi done # /etc/ dir should be owned by mysql user at this point # Inject the privesc.so shared library to escalate privileges echo $...
Current versions ofmysql_install_dbproduce a MySQL deployment that is secure by default, with these characteristics: A single administrative account named'root'@'localhost'is created with a randomly generated password, which is marked expired. ...