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网址：MySQL

下载（环境准备）：

（2-5点击此处，然后选择合适的版本）

1.linux在线YUM仓库

下载/安装:

wget https://repo.mysql.com//mysql84-community-release-el9-1.noarch.rpm

rpm -i https://repo.mysql.com//mysql84-community-release-el9-1.noarch.rpm

查看: dnf repolist

安装软件包: dnf install mysql-server

查看安装的mysql: rpm -qa | grep mysql

启用服务: systemctl start mysqld

查看服务状态: systemctl status mysqld

登录:                       mysql -uroot -p       (这里用root用户，-p指密码 )
查看临时密码：      grep password /var/log/mysqld.log
修改密码：             alter user a’用户’@’用户名’ identified by ‘密码’；
查看：                    show databases；

删除清理: dnf remove mysql-server -y

m -rf /var/lib/mysql

rm -rf /var/log/mysqld.log

userdel -r mysql

2.二进制本地

下载:
        wget https://cdn.mysql.com//Downloads/MySQL-8.4/mysql-8.4.3-1.el9.x86_64.rpmbundle.tar
解压:        tar xf mysql-8.4.3-1.el9.x86_64.rpm-bundle.tar
查看:        ll mysql-*
安装:        dnf localinstall mysql-community-server-8.4.3-1.el9.x86_64.rpm
查看安装的东西:        rpm -qa | grep mysql
启用服务:                   systemctl start mysqld
查看服务状态:           systemctl status mysqld

删除清理: dnf remove mysql-server -y

m -rf /var/lib/mysql

rm -rf /var/log/mysqld.log

userdel -r mysql

3.容器平台

安装工具，dnf的一个插件： dnf -y install dnf-plugins-core
添加Docker仓库:

        dnf config-manager --add-repo https://download.docker.com/linux/rhel/dockerce.repo
安装Docker相关软件:
        dnf install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
启动Docker服务:        systemctl enable --now docker
查询MySQL镜像:        docker search mysql
下载mysql-8.4.3:        docker pull mysql:8.4.3
查看:                           docker images
启动容器:

        docker run --name mysqltest -e MYSQL_ROOT_PASSWORD=123456 -d mysql:8.4.3
查看并测试:        docker ps
访问:                   docker exec -it mysqltest /bin/bash
                           mysql -uroot -p
退出:                   exit
删除清理:
        docker stop mysqltest
        docker rm mysqltest
        docker ps -a

4.源码部署

我们在根目录中创建mysql目录，方便操作

mkdir /mysql

mv mysql-8.4.3.tar.gz /mysql

cd /mysql

解压:

tar xf mysql-8.4.3.tar.gz

cd mysql-8.4.3/

创建用户，修改目录权限:

groupadd mysql

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

chmod 777 /mysql/ -R

安装需要的软件:

mkdir bld

cd bld

dnf install cmake openssl-devel ncurses-devel rpcgen gcc-toolset-12-gcc gcc-toolset-12- gcc-c++ gcc-toolset-12-binutils gcc-toolset-12- annobin-annocheck gcc-toolset-12-annobin- plugin-gcc

rpm -i https://yum.oracle.com/repo/OracleLinux/OL9/codeready/builder/x86_64/getPackage/libtirpc -devel-1.3.3-9.el9.x86_64.rpm

配置并编译:

cmake ..

make

make install

cd /usr/local/mysql

mkdir mysql-files

chown mysql:mysql mysql-files

chmod 750 mysql-files

bin/mysqld --initialize --user=mysql

bin/mysqld_safe --user=mysql &

登录测试: mysql -S /tmp/mysql.sock -uroot -p