Online installation and configuration of mysql under centos
1. Install the mysql server
[java]
yum -y install mysql-server
2. Load the service start service
[java]
/etc/rc.d/init.d/mysqld start
3. Set the mysql service to start Self-starting
[java]
chkconfig mysqld on
If you are not sure whether it has been set to start automatically at boot, you can view it with the following command
[java]
chkconfig --list mysqld
(mysqld 0:off 1:off 2:on 3:on 4:on 5 :on 6:off) ← If 2--5 is on, it is OK
4. View the current mysql version information
[java]
mysql –version
5. Modify the mysql default encoding
[java]
vi
/etc/my.cnf ] added under:
[java]
default-character-set=utf8
added under [mysqld]:
[java]
character-set-server = utf8
init_connect='set names utf8'
Enter mysql to view the current encoding
[java]
mysql>show variables like '%character%';
6. Set access permissions and passwords
[java]
mysql> grant all privileges on *.* to 'root'@'%' identified by '123';
mysql> grant all privileges on *.* to 'root'@'localhost' identified by '123';
mysql> flush privileges;
can be viewed through the following code The currently set access permission status
[java]
select * from mysql.user;
7. Restart the mysql service
[java]
/etc/init. d/mysqld restart
8. Completely uninstall mysql
[java]
yum remove mysql mysql-server mysql-libs compat-mysql51
rm -rf /var/lib/mysql
rm /etc/my.cnf
to see if there is still mysql software
[java]
rpm -qa|grep mysql//If yes, continue to delete
rpm -ql mysql//Check the file location
Online installation and configuration of mysql under centos
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