Linux二進制包安裝Mysql8主從復(fù)制-創(chuàng)新互聯(lián)

1、下載安裝包

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wget ?https://cdn.mysql.com//Downloads/MySQL-8.0/mysql-8.0.18-el7-x86_64.tar.gz

2、刪除系統(tǒng)自帶

rpm?-qa?|grep??mysql
rpm?-qa?|grep?mariadb
rpm?-e?--nodeps?mariadb-libs-5.5.60-1.el7_5.x86_64

3、修改配置文件

cat?/etc/my.cnf
[mysql]
default-character-set=utf8
[mysqld]
skip-name-resolve
port?=?3306
basedir=/usr/local/mysql
datadir=/usr/local/mysql/data
max_connections=200
character-set-server=utf8
default-storage-engine=INNODB
lower_case_table_names=1
max_allowed_packet=16M
log-bin=master-bin???????????#master是master-bin,slave的是slave-bin
server-id=1???????????#master為1,slave2
gtid_mode=ON
enforce_gtid_consistency=ON
binlog_checksum=NONE

4、初始化數(shù)據(jù)庫

groupadd?mysql
useradd?-r?-g?mysql?-s?/bin/false?mysql
cd?/usr/local
tar?xvf?mysql-8.0.18-el7-x86_64.tar.gz
ln?-s?mysql-8.0.18-el7-x86_64?mysql
cd?mysql
mkdir?mysql-files
chown?mysql:mysql?mysql-files
chmod?750?mysql-files
bin/mysqld?--initialize?--user=mysql
bin/mysql_ssl_rsa_setup
bin/mysqld_safe?--user=mysql?&
cp?support-files/mysql.server?/etc/init.d/mysql.server

記住數(shù)據(jù)庫的隨機密碼Linux二進制包安裝Mysql8主從復(fù)制

#關(guān)閉命令

bin/mysqladmin -u root -p? shutdown

#啟動命令

bin/mysqld_safe --user=mysql &

5、設(shè)置環(huán)境變量:

cat??/etc/profile.d/msyql

MYSQL_HOME=/usr/local/mysql/
export?PATH=$PATH:$MYSQL_HOME/bin

6、修改隨機密碼:

mysql? -u root? -p??? ????????????????????????#輸入初始化隨機生成的密碼

ALTER USER 'root'@'localhost' IDENTIFIED BY 'hello123';? ?
show master status;????? ????????? ? ? ? ? #查看master狀態(tài)

Linux二進制包安裝Mysql8主從復(fù)制

7、為主從復(fù)制創(chuàng)建用戶

CREATE USER 'econage'@'%' IDENTIFIED BY 'hello123';? ?

GRANT REPLICATION SLAVE ON *.* TO econage@'%';

#mysql8 之前的版本中加密規(guī)則是mysql_native_password,而在mysql8之后,加密規(guī)則是caching_sha2_password,把mysql用戶登錄密碼加密規(guī)則還原成mysql_native_password. 不然會報錯如下

#error connecting to master 'econage@192.168.0.56:3306' - retry-time: 60 retries: 1 message: Authentication plugin 'caching_sha2_password' reported error: Authentication requires secure connection.

ALTER USER 'econage'@'%' IDENTIFIED WITH mysql_native_password BY 'hello123';??? #添加這一條命令即可

FLUSH PRIVILEGES;

8、查看連接是否正確:

mysql?? -ueconage?? -phello123? -h292.168.0.56?? -e?? 'status;'

Linux二進制包安裝Mysql8主從復(fù)制

9、在slave進行連接master:

CHANGE MASTER TO
? MASTER_HOST='192.168.0.56',???????????? ????????#master主機ip
? MASTER_USER='econage', ??? ??? ??? ??? ?????????? #上面創(chuàng)建的用戶
? MASTER_PASSWORD='hello123',?? ??? ??? ? ??? #用戶密碼
? MASTER_LOG_FILE='master-bin.000002',?? ? #master的file文件名
? MASTER_LOG_POS=474;?? ??? ??? ??? ??? ??????????? # master的Position號

查看

show? slave? status\G????? #可能會狀態(tài)不對,執(zhí)行下面命令
stop? slave;
start? slave;

Linux二進制包安裝Mysql8主從復(fù)制

顯示兩個yes則正確。

10、驗證

#分別在master和slave查看

show?? databases;?????

#在master去創(chuàng)建一個庫

create? database? hello??

#會發(fā)現(xiàn)slave上也有一個hello的庫

文章名稱:Linux二進制包安裝Mysql8主從復(fù)制-創(chuàng)新互聯(lián)
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