update

content/post/mysql-install.md

@@ -1,7 +1,7 @@
 ---
 title: "安装 MySQL"
 date: 2019-10-30T13:00:28+08:00
-lastmod: 2022-03-28T20:00:00+08:00
+lastmod: 2024-07-05T20:36:00+08:00
 tags: ["centos", "yum", "mysql"]
 categories: ["database"]
 ---
@@ -52,6 +52,81 @@ categories: ["database"]
     # 输入查找到的密码
     ```
 
+## 安装 MySQL5.7 通用二进制包
+### 环境
+- CentOS 7.9 x86_64 最小安装
+- MySQL 5.7.44
+- 普通用户 mortal
+
+### 安装 mysql
+- 下载 MySQL5.7.44 通用二进制包
+    ```bash
+    curl -LO https://downloads.mysql.com/archives/get/p/23/file/mysql-5.7.44-linux-glibc2.12-x86_64.tar.gz
+    ```
+
+- 解压
+    ```bash
+    tar zxf mysql-5.7.44-linux-glibc2.12-x86_64.tar.gz
+    mv mysql-5.7.44-linux-glibc2.12-x86_64 /mysql57
+    chown -R root.root /mysql57
+    ```
+
+- 创建普通用户 mortal，切换到 mortal 用户下
+    ```bash
+    useradd -m mortal
+    echo -e 'lijc hard nofile 5120\nlijc soft nofile 5120\n' \
+        > /etc/security/limits.d/mortal
+    su - mortal
+    ```
+
+- 创建实例目录
+    ```bash
+    cd ~
+    mkdir -p mysql-6033/{db,log,priv-files}
+    ```
+
+- 创建配置文件 mysql-6033/my.cnf，内容如下
+    ```
+    [mysqld]
+    symbolic-links=0
+    port = 6033
+    basedir = /mysql57
+    datadir = /home/lijc/mysql-6033/db
+    socket = /home/lijc/mysql-6033/sock
+    pid-file = /home/lijc/mysql-6033/pid
+    secure-file-priv = /home/lijc/mysql-6033/priv-files
+    log-timestamps = SYSTEM
+    explicit_defaults_for_timestamp = 1
+    log-error = /home/lijc/mysql-6033/log/error.log
+    slow-query-log = TRUE
+    slow-query-log-file = /home/lijc/mysql-6033/log/slow.log
+    character-set-server = utf8mb4
+    default-storage-engine = innodb
+    lower-case-table-names = 1
+    ```
+
+- 初始化实例的数据目录
+    ```bash
+    /mysql57/bin/mysqld \
+        --defaults-file=/home/mortal/mysql-6033/my.cnf \
+        --initialize-insecure
+    ```
+
+- 启动实例
+    ```bash
+    /mysql57/bin/mysqld --defaults-file=/home/mortal/mysql-6033/my.cnf --daemonize
+    ```
+
+- 设置 mysql root 账户的密码
+    ```bash
+    /mysql57/bin/mysqladmin -S /home/mortal/mysql-6033/sock password
+    ```
+
+- 使用本机客户端登陆 mysql root 账户
+    ```bash
+    /mysql57/bin/mysql -S /home/mortal/mysql-6033/mysqld.sock -p
+    ```
+
 ## 安装 MySQL8 通用二进制包
 ### 环境
 - CentOS 7.9 x86_64 最小安装