Tried to upgrade mysql 5.0 to 5.5 and then to 5.6
after 5.5 upgrade tried 5.6
all were gone
/etc/init.d/mysql was gone
Fix
moved the file /var/lib/mysql/RPM_UPGRADE_MARKER and then
/scripts/check_cpanel_rpms –fix
Some Quick Fixes and Resolutions by Linux Enthusiast