From time to time, the yum package manager may encounter issues with duplicate packages that are erroneously installed on a system. This manifests in a yum update going awry, telling us something along the lines of this: yum update … –> Finished Dependency Resolution Error: Package: ntp-4.2.6p5-22.el7.centos.2.x86_64 (@updates) Requires: ntpdate = 4.2.6p5-22.el7.centos.2 Removing: ntpdate-4.2.6p5-22.el7.centos.2.x86_64 (@updates) … Continue reading How to fix duplicate packages in yum