同步时间
yum -y install ntpdate.x86_64
ntpdate ntp.ntsc.ac.cn
主服务器配置：
#!/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
mysqld
basedir=/usr/local/mysql
datadir=/usr/local/mysql/data
socket=/tmp/mysql.sock
port=3306
log-err=/usr/local/mysql/data/db01-master.err
log-bin=/usr/local/mysql/data/binlog
server-id=10
character_set_server=utf8mb4
开机自启root@mysql001 \~\]# chkconfig --add mysql8 \[root@mysql001 \~\]# chkconfig mysql8 on \[\[root@mysql001 \~\]# chkconfig --list
从服务器配置：（不要初始化）
root@slave_mysq \~\]# vim mysql.sh （修改2行）  \[root@slave_mysq \~\]# source mysql.sh 修改配置文件 从主服务器上下载 /usr/local/mysql/my.cnf（修改）   \[mysqld\] （就是里面的内容可以直接复制） 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 回主服务器（停服务）： \[root@master_mysq \~\]# service mysql stop 删除下面文件 \[root@master_mysq \~\]# rm -rf /usr/local/mysql/data/auto.cnf 两台服务都装rsync yum list installed \|grep rsync yum -y install rsync 同步master中的data到slave中 \[root@master_mysq \~\]# rsync -av /usr/local/mysql/data [email protected]:/usr/local/mysql/ 从服务器中查看是否同步成功 \[root@slave_mysq \~\]# ls /usr/local/mysql/ 启动主从服务器的服务（不能在从服务器中写数据）(从服务器密码就是主服务器的密码) \[root@master_mysq \~\]# service mysql8 start \[root@slave_mysq \~\]# service mysql8 start \[root@slave_mysq \~\]# mysql -P3310 -pLiyang@2003(不要在里面添加数据，看了就出来)  主从特权 实现 1.master创建授权账号 \[root@master_mysq \~\]# mysql -pLi_yang2003 mysql\> create user 'liyang'@'%' identified by 'abc_123'; (创建用户) mysql\> grant replication slave on \*.\* to '' 'liyang'@'%'; （设置权限） mysql\> flush privileges; （刷新权限） mysql\> show variadbles like 'server_id' (查看) 2.在master上锁表(不能修改) mysql\> flush tables with read lock; msql\> show master status; (查看)  从服务器配置： \[root@salve_mysq \~\]# mysql -P3310 -pLiyang@2003 mysql\> change master to -\> master_host='192.168.1.29', -\> master_user='liyang', -\> master_password='abc_123', -\> master_port=3306, -\> master_log_file='binlog.000006', (上面查看后就有了) -\> master_log_pos=866; (上面查看后就有了) mysql\> start slave; mysql\> show slave status\\G (看看是否配置成功)  远程登录进入主服务器mysql（需要ssl非对称加密8.0的有这个问题） mysql\> mysql -u liyang -pabc_123 -h 192.168.1.26 -P3306 --get-server-public-key (获得master服务器的公钥) （在从服务器中输入）（然后退出登录本机数据库） \[root@salve_mysq \~\]# mysql -P3310 -pLiyang@2003 mysql\> stop slave; mysql\> reset slave; mysql\> change master to -\> master_host='192.168.1.29', -\> master_user='liyang', -\> master_password='abc_123', -\> master_port=3306, ·/ -\> master_log_file='binlog.000006', -\> master_log_pos=866; 启动服务 mysql\> start slave; mysql\> show slave status\\G (看看是否配置成功变成yes) 检验