版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/q85795362/article/details/82904620
1.安装依赖
yum -y install gcc gcc-c++ ncurses-devel cmake
2.下载及安装
#### 打开root目录
cd /root
#### 下载mysql5.7
wget https://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-boost-5.7.23.tar.gz
#### 解压
tar zxvf mysql-boost-5.7.23.tar.gz
#### 打开mysql文件夹
cd mysql-5.7.23
#### 配置
cmake . -DCMAKE_INSTALL_PREFIX=/usr/local/lnmp/mysql \
-DMYSQL_DATADIR=/usr/local/lnmp/mysql/data \
-DMYSQL_UNIX_ADDR=/usr/local/lnmp/mysql/tmp/mysql.sock \
-DSYSCONFDIR=/usr/local/lnmp/mysql/conf \
-DMYSQL_TCP_PORT=3306 \
-DMYSQL_USER=mysql \
-DDEFAULT_CHARSET=utf8mb4 \
-DDEFAULT_COLLATION=utf8mb4_general_ci \
-DEXTRA_CHARSETS=all \
-DENABLE_LOCAL_INFILE=1 \
-DWITH_MYISAM_STORAGE_ENGINE=1 \
-DWITH_INNOBASE_STORAGE_ENGINE=1 \
-DWITH_BOOST=/root/mysql-5.7.23/boost/boost_1_59_0
#### 编译
make
#### 安装
make install
#### 创建mysql用户组和用户
groupadd mysql
useradd -r -g mysql -s /sbin/nologin -M mysql
#### 创建文件夹
mkdir -p /usr/local/lnmp/mysql/{data,logs,tmp,conf}
#### 复制配置文件
cp /root/mysql-5.7.23/packaging/rpm-common/my.cnf /usr/local/lnmp/mysql/conf/
#### 编辑配置文件
vim /usr/local/lnmp/mysql/conf/my.cnf
#### 修改如下
datadir=/usr/local/lnmp/mysql/data
log-error=/usr/local/lnmp/mysql/logs/mysqld.log
pid-file=/usr/local/lnmp/mysql/tmp/mysqld.pid
#### 设置环境变量
vim /etc/profile
### 最后添加一行：
export PATH=$PATH:/usr/local/lnmp/mysql/bin
#### 保存后
source /etc/profile
#### 创建日志文件
touch /usr/local/lnmp/mysql/logs/mysqld.log
#### 给权限
chown -R mysql:mysql /usr/local/lnmp/mysql
#### 初始化mysql
/usr/local/lnmp/mysql/bin/mysqld --initialize-insecure --user=mysql --basedir=/usr/local/lnmp/mysql --datadir=/usr/local/lnmp/mysql/data --explicit_defaults_for_timestamp=true3.设置开机启动
#### 复制脚本
cp /root/mysql-5.7.23/support-files/mysql.server /etc/init.d/mysqld
#### 权限
chmod 755 /etc/init.d/mysqld
#### 添加服务
chkconfig --add mysqld
#### 设置开机自启
chkconfig mysqld on4.修改root密码
### 登录 不输入密码 直接回车
mysql -uroot -p
### 密码
set password=password('yourpassword');
alter user 'root'@'localhost' password expire never;
flush privileges;