mysql 5.5 安装

Posted 2020-11-01

==============安装mysql======================

yum install  libaio-devel ncurses -y 

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mkdir /opt/tools -p

cd /opt/tools

groupadd mysql

useradd -s /sbin/nologin -M mysql -g mysql

tar xf mysql-5.5.32-linux2.6-x86_64.tar.gz

mv mysql-5.5.32-linux2.6-x86_64  /opt/mysql-5.5.32

ln -s /opt/mysql-5.5.32/ /opt/mysql

chown -R mysql.mysql /opt/mysql/

cd /opt/mysql

/opt/mysql/scripts/mysql_install_db --basedir=/opt/mysql/ --datadir=/opt/mysql/data/ --user=mysql

/bin/cp /opt/mysql/support-files/my-small.cnf /etc/my.cnf

sed -i 's#/usr/local/mysql#/opt/mysql#g' /opt/mysql/bin/mysqld_safe

/opt/mysql/bin/mysqld_safe &

echo "PATH="/opt/mysql/bin:$PATH"" >>/etc/profile

source /etc/profile

cp support-files/mysql.server /etc/init.d/mysqld

sed -i 's#/usr/local/mysql#/opt/mysql#g' /etc/init.d/mysqld

chmod +x /etc/init.d/mysqld

killall mysqld

/etc/init.d/mysqld start

netstat -lntup |grep mysql

chkconfig --add mysqld

chkconfig mysqld on

chkconfig --list mysqld

echo "/etc/init.d/mysqld start" >>/etc/rc.local

安装完毕

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#mysql

show databases；

select user();

exit

# mysqladmin -u root password '密码'

# mysql -uroot -p

select user,host from mysql.user;

设置root密码完毕

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grant all PRIVILEGES on *.* to 用户@'%'  identified by '密码'; 

#授权用户kaitaiming对所有库所有的权限

flush privileges;