将mysql解压到指定目录这里安装的是mysql-8.0.26
linux下tar命令解压到指定的目录 ：
#tar zxvf xx.tar.gz -C /xx
[解压]
tar -xvf mysql-8.0.26-1.el7.x86_64.rpm-bundle.tar
rpm -qa | grep -i mysql
【必须安装】
rpm -ivh mysql-community-common-8.0.26-1.el7.x86_64.rpm
rpm -ivh mysql-community-libs-8.0.26-1.el7.x86_64.rpm
[sudo rpm -ivh --nodeps mysql-community-libs-8.0.26-1.el7.x86_64.rpm]
rpm -ivh mysql-community-client-8.0.26-1.el7.x86_64.rpm
【可以直接强制安装，不用安装依赖（太多了）】
rpm -ivh mysql-community-server-8.0.26-1.el7.x86_64.rpm --nodeps --force
【非必须安装】
rpm -ivh mysql-community-libs-compat-8.0.26-1.el7.x86_64.rpm
[yum remove mysql-libs]
rpm -ivh mysql-community-embedded-compat-8.0.26-1.el7.x86_64.rpm
rpm -ivh mysql-community-devel-8.0.26-1.el7.x86_64.rpm[卡]
【依赖】
yum install openssl-devel.x86_64 openssl.x86_64 -y
【end】
rpm -ivh mysql-community-test-8.0.26-1.el7.x86_64.rpm
[如需安装依赖参照以下步骤]
yum install perl.x86_64 perl-devel.x86_64 -y
yum install perl-JSON.noarch -y
yum -y install autoconf
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下载并配置好了环境，识别不了
- 安装openssl库所需依赖zlib
[问题已处理] fatal error zlib.h No such file or directory_爷来辣的博客-CSDN博客
- 离线安装openssl-devel顺序
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- systemctl start mysqld.service
systemctl status mysqld
- mysqld –initialize
chown mysql:mysql /data/mysql -R
systemctl start mysqld.service
systemctl enable mysqld
- 查询mysql密码
cat /var/log/mysqld.log | grep password
密码为：
- 启动MySql
systemctl start mysqld.service
重启MySql
systemctl restart mysqld.service
设置MySql开机自启
systemctlenablemysqld
- 更改mysql密码步骤
CentOS7安装MySQL（完整版）_24只羊羊羊-CSDN博客_centos7安装mysql
- 连接成功，更改密码为
mysql> alter user 'root'@'localhost' identified by 'Aa@123456';
Query OK, 0 rows affected (0.02 sec)
- 授予mysql连接
Centos7离线安装mysql8 - 大墨垂杨 - 博客园
show databases;
use mysql;
select host, user, authentication_string, plugin from user;
update user set host = "%" where user='root';
select host, user, authentication_string, plugin from user;
flush privileges;