apt-get install net-toolsapt-get install mysql-serverservice mysql start   启动mysqlnetstat -tap | grep mysqlmysql -u root -p root查看数据库编码：show variables like "char%"修改编码：vim /etc/mysql/my.cnf[client]default-character-set=utf8[mysqld]character-set-server=utf8[mysql]default-character-set=utf8重启mysql：service mysql restart查看监听的端口：netstat -nlp |grep LISTEN