二进制安装： [root@lufengcentos ~]# mkdir /home/lufeng/tools -p [root@lufengcentos ~]# cd /home/lufeng/tools [root@lufengcentos tools]# rz [root@lufengcentos tools]# tar xf mysql-5.5.49-linux2.6-x86_64.tar.gz [root@lufengcentos tools]# mkdir -p /application/MysqL-5.5.49 [root@lufengcentos tools]# mv MysqL-5.5.49-linux2.6-x86_64 /application/MysqL-5.5.49 创建MysqL用户|组 [root@lufengcentos tools]# groupadd MysqL [root@lufengcentos tools]# useradd MysqL -g MysqL -s /sbin/nologin -M 初始化配置文件 [root@lufengcentos tools]# ln -s /application/MysqL-5.5.49/ /application/MysqL [root@lufengcentos tools]# cd /application/MysqL [root@lufengcentos MysqL]# cp support-files/my-small.cnf /etc/my.cnf 初始化数据库文件 [root@lufengcentos MysqL]# mkdir -p /application/MysqL/data [root@lufengcentos MysqL]# chown -R MysqL.MysqL /application/MysqL/ [root@lufengcentos MysqL]# /application/MysqL/scripts/MysqL_install_db --basedir=/application//MysqL --datadir=/application/MysqL/data --user=MysqL 配置并启动MysqL [root@lufengcentos MysqL]# cp support-files/MysqL.server /etc/init.d/MysqLd [root@lufengcentos MysqL]# chmod +x /etc/init.d/MysqLd root@lufengcentos MysqL]# sed -i 's#/usr/local/MysqL#/application/MysqL#g' /application/MysqL/bin/MysqLd_safe /etc/init.d/MysqLd [root@lufengcentos MysqL]# /etc/init.d/MysqLd start Starting MysqL... SUCCESS! [root@lufengcentos MysqL]# netstat -lntup|grep MysqL tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN 2951/MysqLd 配置全局使用路径 [root@MysqL-server ~]# echo 'export PATH=/application/MysqL/bin:$PATH' >>/etc/profile [root@MysqL-server ~]# tail -1 /etc/profile export PATH=/application/MysqL/bin:$PATH [root@MysqL-server ~]# echo $PATH /application/MysqL/bin:/applicaion/MysqL/bin:/applicaion/MysqL/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin 安全配置： [root@MysqL-server ~]# MysqLadmin -u root password '199429' [root@MysqL-server ~]# MysqL ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO) [root@MysqL-server ~]# MysqL -uroot -p 删除多余用户: +------+-----------+ | user | host | +------+-----------+ | root | 127.0.0.1 | | root | localhost | +------+-----------+
