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解壓安裝包
cd /usr/local
tar xvf mysql-8.0.12-linux-glibc2.12-x86_64.tar.xz
mv mysql-8.0.12-linux-glibc2.12-x86_64 mysql
cd mysql/
mkdir conf
export PATH=$PATH:/usr/local/mysql/bin
實(shí)例1配置文件 my00.cnf
[mysqld]
basedir=/usr/local/mysql
datadir=/var/lib/mysql00
socket=/tmp/mysql00.sock
symbolic-links=0
port=3306
mysqlx_port=33060
[mysqld_safe]
log-error=/var/log/mysqld00.log
pid-file=/var/lib/mysql00/mysqld.pid
實(shí)例2配置文件 my01.cnf
[mysqld]
basedir=/usr/local/mysql
datadir=/var/lib/mysql01
socket=/tmp/mysql01.sock
symbolic-links=0
port=3307
mysqlx_port=33070
[mysqld_safe]
log-error=/var/log/mysqld01.log
pid-file=/var/lib/mysql01/mysqld.pid
實(shí)例3配置文件 my02.cnf
[mysqld]
basedir=/usr/local/mysql
datadir=/var/lib/mysql02
socket=/tmp/mysql02.sock
symbolic-links=0
port=3308
mysqlx_port=33080
[mysqld_safe]
log-error=/var/log/mysqld02.log
pid-file=/var/lib/mysql02/mysqld.pid
初始化實(shí)例
mysqld --defaults-file=/usr/local/mysql/conf/my00.cnf --initialize --user=mysql
mysqld --defaults-file=/usr/local/mysql/conf/my01.cnf --initialize --user=mysql
mysqld --defaults-file=/usr/local/mysql/conf/my02.cnf --initialize --user=mysql
啟動(dòng)實(shí)例
mysqld_safe --defaults-file=/usr/local/mysql/conf/my00.cnf --user=mysql &
mysqld_safe --defaults-file=/usr/local/mysql/conf/my01.cnf --user=mysql &
mysqld_safe --defaults-file=/usr/local/mysql/conf/my02.cnf --user=mysql &
修改密碼
mysql -S /tmp/mysql00.sock -u root -p
ALTER USER root@'localhost' IDENTIFIED BY 'MySQL8.0';
mysql -S /tmp/mysql01.sock -u root -p
ALTER USER root@'localhost' IDENTIFIED BY 'MySQL8.0';
mysql -S /tmp/mysql02.sock -u root -p
ALTER USER root@'localhost' IDENTIFIED BY 'MySQL8.0';
關(guān)閉實(shí)例
mysqladmin -S /tmp/mysql00.sock -u root -pMySQL8.0 shutdown
mysqladmin -S /tmp/mysql01.sock -u root -pMySQL8.0 shutdown
mysqladmin -S /tmp/mysql02.sock -u root -pMySQL8.0 shutdown
注意:賬號(hào) root@'locahost' 使用 socket 連接數(shù)據(jù)庫(kù)
參考文檔:在Unix上運(yùn)行多個(gè)MySQL實(shí)例
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