Installing prerequisite packages for VirtualBox Guest Additions on RHEL 8 or CentOS 8

This may work for 7 too (NO CHECK THAT – RHEL 7 does not have dnf – oops – but “yum install” may work instead on V7 of RHEL/CENTOS

dnf install tar bzip2 kernel-devel-$(uname -r) kernel-headers perl gcc make elfutils-libelf-devel