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2025-03-31 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >
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Mysql-5.7.21 initiates error reporting and permanent resolution
Chmod + x / etc/rc.d/rc.local
# write two commands into it to automatically create mysqld and modify owner permissions when booting
Ehco "mkdir-p / var/run/mysqld
Chown-R mysql:mysql / var/run/mysqld
"/ etc/rc.d/rc.local
# modify the database storage directory
Systemctl stop mysqld # stop the database server
Mkdir-p / data/mysql/ # create directory
Chown-R mysql:mysql / data/mysql # modify folder owner
Cp-r / var/lib/mysql/ / data/mysql
Chown-R mysql:mysql / data/mysql/
Ls-1 / data/mysql/
Vi / etc/my.cnf
Datadir=/data/mysql
Socket=/data/mysql/mysql.sock
Save exit
Systemctl start mysqld
Systemctl status mysqld
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