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                二進制格式mysql安裝說明(mysql-5.5.49) `INSTALL-BINARY` #### 1 新建用戶以安全方式運行進程 ~~~ groupadd -r mysql useradd -g mysql -r -s /bin/false -M -d /mydata/data mysql chown -R mysql:mysql /data/mysql ~~~ #### 2 在/usr/local/創建mysql鏈接 ~~~ ln -sv mysql-5.5.49 mysql ~~~ #### 3 初始化mysql ~~~ cd /usr/local/mysql chown -R root:mysql . scripts/mysql_install_db --user=mysql --datadir=/data/mysql ~~~ 初始化之后,需要將權限改為`root:root`,除了datadir之外 #### 4 mysql主配置文件 ~~~ cd /usr/local/mysql cp support-files/my-large.cnf /etc/my.cnf ~~~ 并修改此文件中thread_concurrency的值為你的CPU個數乘以2,比如這里使用如下行: ~~~ thread_concurrency = 2 ~~~ 另外還需要添加如下行指定mysql數據文件的存放位置: ~~~ datadir = /data/mysql ~~~ #### 5 mysql提供sysv服務腳本 ~~~ cd /usr/local/mysql cp support-files/mysql.server /etc/rc.d/init.d/mysqld ~~~ 添加至服務列表: ~~~ chkconfig --add mysqld chkconfig mysqld on ~~~ mysql配置文件格式:片段式 配置文件的順序,若有沖突,最后一個生效 ~~~ /etc/my.cnf --> /etc/mysql/my.cnf --> $BASEDIR/my.cnf --> ~/.my.cnf ~~~ #### 6 啟動mysql ~~~ service mysqld start ~~~ #### 7 測試httpd與mysql通信是否正常 ~~~ <?php $connect=mysql_connect('localhost','root',''); if ($connect) echo "Success..."; else echo "Failed..."; ?> ~~~
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