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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                [TOC] ## **1.1.環境準備** 使用MySQL 5.6.x 二進制版本安裝單實例。 操作系統使用CentOS 6.5 x64 ## **1.2.初始化安裝** ### **1.2.1.下載二進制安裝文件** 使用`wget`命令或者其他方式下載MySQL二進制安裝文件到`/root`目錄下。 ``` wget https://mirrors.aliyun.com/mysql/MySQL-5.6/mysql-5.6.49-linux-glibc2.12-x86_64.tar.gz ``` ### **1.2.2.創建mysql用戶** 先創建mysql組,再創建mysql用戶并加入mysql組中 ``` groupadd mysql useradd mysql -r -g mysql ``` ### **1.2.3.創建程序、數據存儲目錄** ``` mkdir -p /home/mysql/{program,data,conf} mkdir -p /home/mysql/data/mysqldata1/{mydata,sock,tmpdir.log,innodb_ts,innodb_log,undo,slowlog,binlog,relaylog} ``` ### **1.2.4.解壓安裝包并設置目錄權限** ``` tar xf mysql-5.6.49-linux-glibc2.12-x86_64.tar.gz -C /home/mysql/program/ chown -R mysql.mysql /home/mysql ``` ### **1.2.5.建立軟鏈接,并設置環境變量** ``` // 建立軟鏈接 ln -s /home/mysql/program/mysql-5.6.49-linux-glibc2.12-x86_64 /usr/local/mysql // 添加環境變量 export PATH=$PATH:/usr/local/mysql/bin/ echo 'export PATH=$PATH:/usr/local/mysql/bin/' >> /etc/profile ``` ### **1.2.6.配置my.cnf文件參數** 1、復制配置文件 ``` cp -ar /usr/local/mysql/support-files/my-default.cnf /home/mysql/conf/my.cnf ``` 2、修改`/home/mysql/conf/my.cnf`,如下: ``` [client] socket=/home/mysql/data/mysqldata1/sock/mysql.sock # sock文件所在路徑 [mysqld] user=mysql basedir = /usr/local/mysql socket=/home/mysql/data/mysqldata1/sock/mysql.sock # sock文件所在路徑 pid-file=/home/mysql/data/mysqldata1/sock/mysql.pid # pid文件所在路徑 datadir=/home/mysql/data/mysqldata1/mydata # 數據文件路徑 tmpdir=/home/mysql/data/mysqldata1/tmpdir # 存放臨時文件的路徑 log-error=/home/mysql/data/mysqldata1/log/error.log slow_query_log slow_query_log_file=/home/mysql/data/mysqldata1/slowlog/slow-query.log log-bin=/home/mysql/data/mysqldata1/binlog/mysql-bin relay-log=/home/mysql/data/mysqldata1/relaylog/mysql-relay-bin innodb_data_home_dir = /home/mysql/data/mysqldata1/innodb_ts innodb_log_group_home_dir = /home/mysql/data/mysqldata1/innodb_log innodb_undo_directory = /home/mysql/data/mysqldata1/undo/ ``` ### **1.2.7.初始化MySQL** 使用`mysql_install_db`命令初始化MySQL數據字典庫、ibdata1、log_file*等文件 ``` cd /usr/local/mysql/ ./scripts/mysql_install_db --defaults-file=/home/mysql/conf/my.cnf --user=mysql ``` **初始化MySQL報錯** ``` yum install -y perl-Data-Dumper libaio ``` **Centos6.5 yum源無效** ``` // 1.備份 mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup // 2.下載新的repo wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-6.repo // 3.替換配置 sed -i -e '/mirrors.cloud.aliyuncs.com/d' -e '/mirrors.aliyuncs.com/d' /etc/yum.repos.d/CentOS-Base.repo sed -i 's/http/https/g' /etc/yum.repos.d/CentOS-Base.repo sed -i 's/$releasever/6.8/g' /etc/yum.repos.d/CentOS-Base.repo sed -i 's/centos/centos-vault/g' /etc/yum.repos.d/CentOS-Base.repo // 4.清除并生成緩存 yum clean all && yum makecache ``` ### **1.2.8.啟動MySQL** 將`mysql.server`復制到`/etc/init.d/`目錄下,命名為`mysqld`。 ``` cp -ar /usr/local/mysql/support-files/mysql.server /etc/init.d/mysqld chmod +x /etc/init.d/mysqld // 啟動服務 service mysqld start // 可以用ps或者netstat命令檢查mysql是否啟動 ps aux | grep mysqld netstat -ntupl | grep mysqld ``` ## **1.3.簡單安全加固** ### **1.3.1.登錄MySQL** MySQL 5.6.x初始化完成并啟動之后,可以免密登錄。 ![](https://img.kancloud.cn/e5/e2/e5e243f55953671d4c11ae98522baa23_836x565.png) ### **1.3.2.刪除非root或非localhost用戶并修改root密碼**
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