make && make install
cp /backup/mysql-5.5.27-install/support-files/my-medium.cnf /etc/my.cnf
chmod 755 scripts/mysql_install_db
scripts/mysql_install_db --user=mysql --basedir=/backup/mysql-5.5.27-install --datadir=/backup/mysql-5.5.27-install/data/ ##初始化数据库cp cp /backup/mysql-5.5.27-install/support-files/mysql.server /etc/init.d/mysql #设置开机启动mysql
chmod 755 /etc/init.d/mysql
chkconfig mysql on #开机启动
echo 'export PATH=/backup/mysql-5.5.27-install/bin:$PATH' >> /etc/profile #将mysql的安装路径加入PATH
source /etc/profile #使配置立即生效
/etc/init.d/mysql start #启动mysql(如启动后不能登录,则重启系统)
netstat -nat | grep 3307
(3)防火墙开放3306端口
# vim /etc/sysconfig/iptables
添加
-A INPUT -m state --state NEW -m tcp -p tcp --dport 3307 -j ACCEPT
重启防火墙服务
(4)设置和修改root用户密码
mysql修改,可在mysql命令行执行如下:
[iyunv@localhost ~]# mysql -u root -p //首次登录可使用[iyunv@localhost ~]# mysql
mysql> use mysql;
mysql> update user set password= password ("wepic123456");(用这句)
(5)开启允许远程连接
mysql> select `Host`,`User` from user;
mysql> update user set `Host` = '%' where `User` = 'root' limit 1;
mysql> quit
注意在mysql 命令行形式下一定要输入";"