Setting up a cluster environment under Linux (2) -- installing MySQL under Linux

1. Check if... Is installed mysql

Run the command ：rpm  -qa | grep mysql

The first installation will show ：mysql-libs-5.1.71-1.el6.i686

2. Unload the system mysql

Run the command ：rpm -e --nodeps mysql-libs-5.1.71-1.el6.i686

3. Upload mysql

Recommend a tool （FileZilla） You can directly drag

4. stay /usr/local/ Create a mysql

Run the command ：mkdir mysql

5. Copy mysql To mysql Under the table of contents

Run the command ：cp /root/Mysql-XXX.gz  ./mysql

6. decompression tar

Run the command ：tar -xvf Mysql-XXX

    After decompression, there will be several rpm file

7. install

install mysql Server side of

Run the command ：rpm -ivh MySQL-server-XXX-XXX.rpm

Be careful : First login mysql There is no time without a password In the future

install mysql The client of

Run the command ：rpm -ivh MySQL-client-XXX-XXXX.rpm

8. see mysql Service status of

Run the command ：service mysql status

   start-up mysql

Run the command ：service mysql start

   stop it mysql

Run the command ：service mysql stop

9. modify mysql Of root Password

Sign in :mysql -uroot

Change Password :

Run the command ：use mysql;

Run the command ：update user set password = password('1234') where user = 'root';

Run the command ：flush privileges;( Refresh means )

Log back in ：mysql -uroot -p

10. Turn on Remote Access

Run the command ：grant all privileges on *.* to 'root' @'%' identified by '1234';

Run the command ：flush privileges;

11. Open the firewall port 3306 sign out mysql

3306 Port release

Run the command ：/sbin/iptables -I INPUT -p tcp --dport 3306 -j ACCEPT

Add this setting to the rules of the firewall

Run the command ：/etc/rc.d/init.d/iptables save

It can be used navicat premium stay Windows Remote access test under the environment

12: Set up mysql The service of starts with the start of the system

Add to system services ：

Run the command ：chkconfig --add mysql

Auto start ：

Run the command ：chkconfig mysql on