mysql installation...did i do it right?

[root@localhost root]# ls
anaconda-ks.cfg MySQL-server-4.0.20-0.i386.rpm
apt-0.5.5cnc5-fr0.rh73.2.i386.rpm MySQL-shared-compat-4.0.18-0.i386.rpm
install.log php-mysql-4.1.2-7.3.6.i386.rpm
install.log.syslog proftpd-1.2.9.tar.gz
MySQL-client-4.0.20-0.i386.rpm webmin-1.150-1.noarch.rpm

[root@localhost root]# rpm -i MySQL-server-4.0.20-0.i386.rpm
package MySQL-server-4.0.20-0 is already installed

[root@localhost root]# rpm -i MySQL-client-4.0.20-0.i386.rpm
package MySQL-client-4.0.20-0 is already installed

[root@localhost root]# rpm -i MySQL-shared-compat-4.0.18-0.i386.rpm
package MySQL-shared-compat-4.0.18-0 is already installed

[root@localhost root]# /etc/rc.d/init.d/mysql stop
Killing mysqld with pid 22311
Wait for mysqld to exit. done

[root@localhost root]# /etc/rc.d/init.d/mysql start

[root@localhost root]#