CentOS 6
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Install phpMyAdmin
Install phpMyAdmin to operate MariaDB on web browser from Clients.
[3] Install phpMyAdmin.
# install from EPEL

[root@www ~]#
yum --enablerepo=epel -y install phpMyAdmin php-mysql php-mcrypt
[root@www ~]#
vi /etc/httpd/conf.d/phpMyAdmin.conf
# line 25, 42: IP address you permit to access

Allow from
[root@www ~]#
/etc/rc.d/init.d/httpd restart

[4] If SELinux is enabled, add rules like follows.
[root@www ~]#
vi php_mariadb.te
# create new

module php_mariadb 1.0;

require {
        type httpd_t;
        type initrc_t;
        class unix_stream_socket connectto;

#============= httpd_t ==============
allow httpd_t initrc_t:unix_stream_socket connectto;

[root@www ~]#
checkmodule -m -M -o php_mariadb.mod php_mariadb.te

checkmodule: loading policy configuration from php_mariadb.te
checkmodule: policy configuration loaded
checkmodule: writing binary representation (version 10) to php_mariadb.mod
[root@www ~]#
semodule_package --outfile php_mariadb.pp --module php_mariadb.mod

[root@www ~]#
semodule -i php_mariadb.pp

[5] Access to 'http://(your hostname or IP address)/phpmyadmin/' with web browser from Clients, then Login with a user in MariaDB on following screen. This example uses root user to proceed.
[6] Just logined. You can operate MariaDB on here.
[7] It's possible to change settings of MariaDB on "http://(your hostname or IP address)/phpmyadmin/setup".