主从MySQL服务器
root@localhost \~\]# yum -y install ntpdate \[root@localhost \~\]# ntpdate cn.ntp.org.cn \[root@localhost \~\]# yum -y install rsync \[root@localhost \~\]# vim mysql.sh #!/bin/bash yum list installed \|grep libaio if \[ $? ne 0 \]; then yum -y install libaio fi echo libaio yes rm -rf /etc/my.cnf echo remo my.cnf yes tar -xf mysql-8.0.33-linux-glibc2.12-x86_64.tar.xz echo tar zx yes cp -r \~/mysql-8.0.33-linux-glibc2.12-x86_64 /usr/local/mysql echo copy file to /usr/local/mysql yes mkdir /usr/local/mysql/mysql-files echo mysql-files yes grep mysql /etc/passwd useradd -r -s /sbin/nologin mysql chown mysql:mysql /usr/local/mysql/mysql-files chmod 750 /usr/local/mysql/mysql-files /usr/local/mysql/bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql/ /usr/local/mysql/bin/mysql_ssl_rsa_setup --datadir=/usr/local/mysql/data cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysql8 sed -i '$aexport PATH=/usr/local/mysql/bin:$PATH' /etc/profile source /etc/profile \[root@localhost \~\]# bash mysql.sh 9,Rg+?q3jxlc \[root@localhost \~\]# service mysql8 start \[root@localhost \~\]# vim /usr/local/mysql/my.cnf \[mysqld
basedir=/usr/local/mysql
datadir=/usr/local/mysql/data
socket=/tmp/mysql.sock
port=3306
log-error=/usr/local/mysql/data/db01-master.err
log-bin=/usr/local/mysql/data/binlog
server-id=10
character_set_server=utf8mb4
root@localhost \~\]# service mysql8 start Starting MySQL.Logging to '/usr/local/mysql/data/db01-master.err'. SUCCESS! \[root@localhost \~\]# chkconfig --add mysql8 //开机自启 \[root@localhost \~\]# chkconfig mysql8 on //同上 \[root@localhost \~\]# chkconfig --list //同上 \[root@localhost \~\]# systemctl stop firewalld \[root@localhost \~\]# setenforce 0 从服务器配置 \[root@localhost \~\]# systemctl stop firewalld \[root@localhost \~\]# setenforce 0 \[root@localhost \~\]# vim mysql.sh //注释 #/usr/local/mysql/bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql/ #/usr/local/mysql/bin/mysql_ssl_rsa_setup --datadir=/usr/local/mysql/data \[root@localhost \~\]# source mysql.sh \[root@localhost \~\]# vim /usr/local/mysql/my.cnf \[mysqld
basedir=/usr/local/mysql
datadir=/usr/local/mysql/data
socket=/tmp/mysql.sock
port=3310
log-error=/usr/local/mysql/data/db01-slave.err
relay-log=/usr/local/mysql/data/relaylog
server-id=11
character_set_server=utf8mb4
root@localhost \~\]# service mysql8 stop //停止主服务器 \[root@localhost \~\]# rm -rf /usr/local/mysql/data/auto.cnf //防止主从失败 \[root@localhost \~\]# yum list installed \| grep rsync //检查rsync是否安装 \[root@localhost \~\]# rsync -av /usr/local/mysql/data root@192.168.1.32:/usr/local/mysql/ \[root@localhost \~\]# service mysql8 start //主从服务器启动服务 \[root@localhost \~\]# mysql -P3310 -p9,Rg+?q3jxlc //从服务器使用主服务器账户密码可以登录 \[root@localhost \~\]# cd /usr/local/mysql/ \[root@localhost mysql\]# ./bin/mysql_secure_installation //无法修改密码所需操作 Please enter 0 = LOW, 1 = MEDIUM and 2 = STRONG: 0 \[root@localhost mysql\]# ./bin/mysql -p9,Rg+?q3jxlc mysql\> show variables like 'validate%'; mysql\> set global validate_password.length=0; //修改密码所需操作 mysql\> show variables like 'validate%'; mysql\> create user 'zhangmin'@'%' identified by 'abc_123'; mysql\> grant replication slave on \*.\* to 'zhangmin'@'%'; mysql\> flush tables with read lock; mysql\> change master to -\> master_host='192.168.1.31', -\> master_user='zhangmin', -\> master_password='abc_123', -\> master_port=3306, -\> master_log_file='binlog.000003', -\> master_log_pos=707; 从服务器 change master to master_host='192.168.1.31', master_user='zhangmin', master_password='abc_123', master_port=3306, master_log_file='binlog.000004', master_log_pos=1092; mysql\> start slave; mysql\> show slave status\\G \[root@localhost mysql\]# mysql -uzhangmin -pabc_123 -h 192.168.1.31 -P3306 --get-server-public-key //获得远程master主机的公钥 \[root@localhost mysql\]# mysql -P3310 -p mysql\> stop slave; mysql\> reset slave; mysql\> change master to master_host='192.168.1.31', -\> master_user='zhangmin', -\> master_password='abc_123', -\> master_port=3306, -\> master_log_file='binlog.000004', -\> master_log_pos=1092; mysql\> start slave; 主服务器 mysql\> unlock tables; //解锁⽂件 mysql\> create database if not exists test charset utf8mb4;