虚拟机linux7.9下安装mysql

1.MySQL官网下载安装包：

MySQL :: Download MySQL Community Server

https://cdn.mysql.com/archives/mysql-5.7/mysql-5.7.39-linux-glibc2.12-x86_64.tar.gz

2.解压文件：

#tar xvzf mysql-5.7.39-linux-glibc2.12-x86_64.tar.gz

3.移动文件：

#mkdir /usr/local/mysql

#mv mysql-5.7.39-linux-glibc2.12-x86_64/* /usr/local/mysql

4.配置操作系统：

#useradd mysql

#mkdir -p /data/mysql

#chown -R mysql:mysql /usr/local/mysql/

#chown -R mysql:mysql /data/mysql

#chmod -R 777 /usr/local/mysql/

#chmod -R 777 /data/mysql

5.编辑MySQL配置文件：

#vi /etc/my.cnf

[client]

port=3306

socket=/data/mysql/mysql.sock

[mysqld]

gtid_mode=on

enforce_gtid_consistency=on

log_slave_updates=on

autocommit=1

general_log=off

explicit_defaults_for_timestamp=true

log_timestamps = SYSTEM

#character

default-storage-engine=INNODB

innodb_file_per_table=1

character-set-server=utf8

collation-server=utf8_general_ci

interactive_timeout = 559200

wait_timeout = 559200

#system

basedir=/usr/local/mysql

datadir=/data/mysql

max_allowed_packet=1g

max_connections=3000

max_user_connections=2800

open_files_limit=65535

pid_file=/data/mysql/mysqld.pid

port=3306

server_id=52160

#skip_name_resolve=ON

socket=/data/mysql/mysql.sock

tmpdir=/tmp

#undo

innodb_undo_tablespaces=3

#innodb

innodb_buffer_pool_size = 1000M

#binlog

log_bin=/data/mysql/bin-log

binlog_format=row

expire_logs_days=7

innodb_log_file_size = 1024M

innodb_log_files_in_group = 4

max_binlog_size=1024M

#logging

log_error=/data/mysql/error.log

slow_query_log_file=/data/mysql/slow.log

log_queries_not_using_indexes=0

slow_query_log=1

log_slave_updates=ON

log_slow_admin_statements=1

long_query_time=1

#relay

relay_log=/data/mysql/relaylog

relay_log_index=/data/mysql/relay.index

relay_log_info_file=/data/mysql/relay-log.info

[mysqld_safe]

datadir=/data/mysql

6.初始化数据库：

#su - mysql

/usr/local/mysql/bin/mysqld --defaults-file=/etc/my.cnf --initialize --user=mysql

7.配置和启动数据库：

#cp -a /usr/local/mysql/support-files/mysql.server /etc/init.d/mysqld

/etc/init.d/mysqld start

8.客户端登录MySQL数据库：

/usr/local/mysql/bin/mysql -h localhost -uroot –p

#初次登录的临时密码在/data/mysql/error.log 文件中

9.修改密码：

alter user root@'localhost' identified by 'mySQL#1234';

10.关闭数据库：

/etc/init.d/mysqld stop

11.设置开机自动启动：

#chkconfig mysqld on

注意：

ps -ef|grep mysqld 可以查看mysql进程是否已经启动

kill -9 进程号 #杀死进程