ZFQS:~ # cat /etc/my.cnf # For advice on how to change settings please see # http://dev.mysql.com/doc/refman/5.7/en/server-configuration-defaults.html [mysqld] # # Remove leading # and set to the amount of RAM for the most important data # cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%. # innodb_buffer_pool_size = 128M # # Remove leading # to turn on a very important data integrity option: logging # changes to the binary log between backups. # log_bin # # Remove leading # to set options mainly useful for reporting servers. # The server defaults are faster for transactions and fast SELECTs. # Adjust sizes as needed, experiment to find the optimal values. # join_buffer_size = 128M # sort_buffer_size = 2M # read_rnd_buffer_size = 2M datadir=/var/lib/mysql socket=/var/lib/mysql/mysql.sock # Disabling symbolic-links is recommended to prevent assorted security risks symbolic-links=0 log-error=/var/log/mysql/mysqld.log pid-file=/var/run/mysql/mysqld.pid
如上图所示找到 datadir 目录，删除里面的文件。在重新初始化一次。
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cd /var/lib/mysql rm -rf *//删除文件 //在重新初始化一次 cd /usr/local/mysql //这是你下载的MySQL解压目录 ./bin/mysqld --initialize --user=mysqluser -- basedir=/usr/local/mysql12345
