From 311c917df33325027fa2086b275c606d07835991 Mon Sep 17 00:00:00 2001
From: wxin <15253413025@163.com>
Date: Sun, 11 Aug 2024 21:21:36 +0800
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+# 一、Mysql
+
+#### 1、编译安装mysql5.7
+
+1、清理安装环境：
+
+```shell
+# yum erase mariadb mariadb-server mariadb-libs mariadb-devel -y
+# userdel -r mysql
+# rm -rf /etc/my*
+# rm -rf /var/lib/mysql
+```
+
+2、创建mysql用户
+
+```shell
+[root@mysql-server ~]# useradd -r mysql -M -s /sbin/nologin
+-M 不创建用户的家目录
+```
+
+3、从官网下载tar包
+
+wget https://dev.mysql.com/get/Downloads/MySQL-5.7/mysql-boost-5.7.27.tar.gz
+
+4、安装编译工具
+
+```shell
+# yum -y install ncurses ncurses-devel openssl-devel bison gcc gcc-c++ make
+cmake:
+# yum -y install cmake
+```
+
+5、创建mysql目录
+
+```shell
+[root@mysql-server ~]# mkdir -p /usr/local/{data,mysql,log}
+```
+
+6、解压
+
+```shell
+[root@mysql-server ~]# tar xzvf mysql-boost-5.7.27.tar.gz -C /usr/local/
+```
+
+7、编译安装
+
+```shell
+cd 解压的mysql目录
+[root@mysql-server ~]# cd /usr/local/mysql-5.7.27/
+[root@mysql-server mysql-5.7.27]# cmake . \
+-DWITH_BOOST=boost/boost_1_59_0/ \
+-DCMAKE_INSTALL_PREFIX=/usr/local/mysql \
+-DSYSCONFDIR=/etc \
+-DMYSQL_DATADIR=/usr/local/mysql/data \
+-DINSTALL_MANDIR=/usr/share/man \
+-DMYSQL_TCP_PORT=3306 \
+-DMYSQL_UNIX_ADDR=/tmp/mysql.sock \
+-DDEFAULT_CHARSET=utf8 \
+-DEXTRA_CHARSETS=all \
+-DDEFAULT_COLLATION=utf8_general_ci \
+-DWITH_READLINE=1 \
+-DWITH_SSL=system \
+-DWITH_EMBEDDED_SERVER=1 \
+-DENABLED_LOCAL_INFILE=1 \
+-DWITH_INNOBASE_STORAGE_ENGINE=1
+
+参数详解:
+-DCMAKE_INSTALL_PREFIX=/usr/local/mysql \   安装目录
+-DSYSCONFDIR=/etc \   配置文件存放 （默认可以不安装配置文件）
+-DMYSQL_DATADIR=/usr/local/mysql/data \   数据目录   错误日志文件也会在这个目录
+-DINSTALL_MANDIR=/usr/share/man \     帮助文档 
+-DMYSQL_TCP_PORT=3306 \     默认端口
+-DMYSQL_UNIX_ADDR=/tmp/mysql.sock \  sock文件位置，用来做网络通信的，客户端连接服务器的时候用
+-DDEFAULT_CHARSET=utf8 \    默认字符集。字符集的支持，可以调
+-DEXTRA_CHARSETS=all \   扩展的字符集支持所有的
+-DDEFAULT_COLLATION=utf8_general_ci \  支持的
+-DWITH_READLINE=1 \    上下翻历史命令
+-DWITH_SSL=system \    使用私钥和证书登陆（公钥）  可以加密。 适用与长连接。坏处：速度慢
+-DWITH_EMBEDDED_SERVER=1 \   嵌入式数据库
+-DENABLED_LOCAL_INFILE=1 \    从本地倒入数据，不是备份和恢复。
+-DWITH_INNOBASE_STORAGE_ENGINE=1  默认的存储引擎，支持外键
+```
+
+![image-20200802221701059](assets/image-20200802221701059.png)
+
+```shell
+[root@mysql-server mysql-5.7.27]# make -j4 && make install
+如果安装出错，想重新安装：
+    不用重新解压，只需要删除安装目录中的缓存文件CMakeCache.txt
+```
+
+![image-20200802221713343](assets/image-20200802221713343.png)
+
+**需要很长时间！**大约半小时
+
+8、初始化
+
+```shell
+[root@mysql-server mysql-5.7.27]# cd /usr/local/mysql
+[root@mysql-server mysql]# chown -R mysql.mysql .
+[root@mysql-server mysql]# ./bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data     ---初始化完成之后，一定要记住提示最后的密码用于登陆或者修改密码
+```
+
+![image-20200802221725523](assets/image-20200802221725523.png)
+
+ 初始化,只需要初始化一次
+
+```shell
+[root@mysql-server ~]# vim /etc/my.cnf    ---如果打开文件有内容将文件中所有内容注释掉，在添加如下内容
+[mysqld]
+basedir=/usr/local/mysql     #指定安装目录
+datadir=/usr/local/mysql/data  #指定数据存放目录
+```
+
+![image-20200802221735607](assets/image-20200802221735607.png)
+
+9、启动mysql
+
+```shell
+[root@mysql-server ~]# cd /usr/local/mysql
+[root@mysql-server mysql]# ./bin/mysqld_safe --user=mysql &
+
+启动之后再按一下回车！即可后台运行
+```
+
+![image-20200802221745479](assets/image-20200802221745479.png)
+
+10、登录mysql
+
+```shell
+[root@mysql-server mysql]# /usr/local/mysql/bin/mysql -uroot -p'GP9TKGgY9i/8'
+mysql: [Warning] Using a password on the command line interface can be insecure.
+Welcome to the MySQL monitor.  Commands end with ; or \g.
+Your MySQL connection id is 2
+Server version: 5.7.27
+
+Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
+
+Oracle is a registered trademark of Oracle Corporation and/or its
+affiliates. Other names may be trademarks of their respective
+owners.
+
+Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
+
+mysql> exit
+```