Centos7.6安装mysql8.0.11

 

 

 

 

# centOS7.6下安装mysql
# 在/usr/local 下建立mysql文件夹


rpm -qa | grep mariadb               # 查看是否安装mariadb包

rpm -e XXXXXX --nodeps               # 通过该命令卸载mariadb包

cd /usr/local/mysql                  # 进入mysql安装目录

wget https://dev.mysql.com/get/Downloads/MySQL-8.0/mysql-8.0.11-1.el7.x86_64.rpm-bundle.tar        # 下载mysql8.0.11


tar -xvf mysql-8.0.11-1.el7.x86_64.rpm-bundle.tar        # 解压到当前目录

# 安装common

rpm -ivh mysql-community-common-8.0.11-1.el7.x86_64.rpm --nodeps --force 

# 安装libs

rpm -ivh mysql-community-libs-8.0.11-1.el7.x86_64.rpm --nodeps --force

 # 安装client

rpm -ivh mysql-community-client-8.0.11-1.el7.x86_64.rpm --nodeps --force

 #安装server

rpm -ivh mysql-community-server-8.0.11-1.el7.x86_64.rpm --nodeps --force

　　# 查看所有安装的包

rpm -qa | grep mysql            


# 初始化mysql
mysqld --initialize;

chown mysql:mysql /var/lib/mysql -R;

systemctl start mysqld.service;

systemctl enable mysqld;

cat /var/log/mysqld.log | grep password        # 查看初始密码

　　

进入到mysql交互界面中操作

 

修改root用户密码

ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'mysql';

　创建root用户

GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' WITH GRANT OPTION;

ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY 'root';

FLUSH PRIVILEGES;

quit

　　

 

 

 

 

 

 

###################################################################################离线包安装

yum -y install wget cmake gcc gcc-c++ ncurses ncurses-devel libaio-devel openssl openssl-devel

参考博客
https://blog.csdn.net/qq_40181063/article/details/90713153

rpm -qa | grep mysql
yum remove mysql80-community-release-el7-1.noarch -y

mkdir /usr/local/mysql
mkdir /usr/local/data

 

groupadd mysql
useradd -r -g mysql -s /bin/false mysql

cd /usr/local/mysql
chown -R mysql:mysql ./

vi /etc/my.cnf

[mysql]
# 设置mysql客户端默认字符集
default-character-set=utf8

[mysqld]
skip-name-resolve
#设置3306端口
port = 3306
# 设置mysql的安装目录
basedir=/usr/local/mysql
# 设置mysql数据库的数据的存放目录
datadir=/usr/local/mysql/data
# 允许最大连接数
max_connections=200
# 服务端使用的字符集默认为8比特编码的latin1字符集
character-set-server=utf8
# 创建新表时将使用的默认存储引擎
default-storage-engine=INNODB
lower_case_table_names=1
max_allowed_packet=16M
default_authentication_plugin=mysql_native_password

　　

tar -zxvf /root/apps/softs/mysql-8.0.11-linux-glibc2.12-x86_64.tar.gz -C /usr/local/mysql

cd /usr/local/mysql/mysql-8.0.11
bin/mysqld --initialize --user=mysql --datadir=/usr/local/mysql/data/
bin/mysqld_safe --user=mysql &

cat /var/log/mysqld.log | grep password

./bin/mysqld --user=mysql --basedir=/home/mysql/ --datadir=/home/mysql/data/ --initialize ;

./bin/mysqld --initialize --user=mysql --datadir=/usr/local/mysql/data --basedir=/usr/local/mysql

./bin/mysql_ssl_rsa_setup --datadir=/usr/local/mysql/data
./bin/mysqld_safe &
./bin/mysql -uroot -p

 

授权远程访问
set PASSWORD = 'mysql';
grant all privileges on *.* to 'python'@'%' with grant option;
GRANT ALL ON *.* TO 'root'@'%';

 

create user 'python'@'%' identified by 'qw123666';
ALTER USER 'python'@'%' IDENTIFIED WITH mysql_native_password BY 'qw123666';
GRANT ALL ON *.* TO 'python'@'%';

FLUSH PRIVILEGES;