How to use yum command on CentOS/RHEL last updated December 23, 2017 in Categories CentOS, Linux, Package Management, RedHat and FriendsHow do I use the yum command to update and patch my Red hat Enterprise Linux / CentOS Linux version 5.x/6.x/7.x server via RHN or the Internet? Can I use up2date command under a RHEL v5.x?