Absolutely.  Just log into the console as root and type "passwd" to change the root password.  Make sure to keep track of what you set it to, because there's little recourse except single-user mode if it becomes lost.
Hello,  I was encouraged to check out vOPS Server Explorer, but my network will not allow any system to have a default root password. Can I change the root user's password?  Thanks!  Jennifer Flanagan
Can I change the root password in vOPS Server Explorer?