ubuntu下安装mysql
http://www.mysql.com/downloads/mysqlsudo groupadd mysqlsudo useradd -r -g mysql mysqlsudo passwd mysql
sudo tar zxvf ~/Downloads/mysql-5.5.28-linux2.6-x86_64.tar.gz -C /optsudo mv /opt/mysql-5.5.28-linux2.6-x86_64 /opt/mysqlsudo chown -R mysql:mysql /opt/mysql
sudo apt-get install libaio1sudo apt-get -f installcd /opt/mysqlsudo scripts/mysql_install_db --user=mysql --basedir=. --datadir=./data
sudo cp support-files/mysql.server /etc/init.d/mysql.serversudo cp support-files/my-medium.cnf /etc/my.cnfsudo mkdir /var/run/mysqldsudo mkdir /var/log/mysqlsudo chown mysql:mysql /var/run/mysqldsudo chown mysql:mysql /var/log/mysql
sudo gedit /etc/init.d/mysql.server
basedir="/opt/mysql"
sudo service mysql.server start # 或者sudo /etc/init.d/mysql.server start #
sudo /opt/mysql/bin/mysqladmin -u root password root
sudo update-rc.d mysql.server defaults# 取消开机启动# sudo update-rc.d -f mysql.server remove
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