On Thu, 16 Jan 2020 at 07:24, Philippe Piot <piot at nicadd.niu.edu> wrote: > > Thanks, Stephen. Just for completeness, the repo I am currently pointing to > are > > [piot at paris opal]$ sudo dnf update > CentOS-8 - AppStream > 775 kB/s | 5.8 MB 00:07 > CentOS-8 - Base > 798 kB/s | 4.0 MB 00:05 > CentOS-8 - Extras > 2.9 kB/s | 2.1 kB 00:00 > CentOS-8 - PowerTools > 686 kB/s | 2.0 MB 00:02 > ELRepo.org Community Enterprise Linux Repository - el8 > 59 kB/s | 93 kB 00:01 > ELRepo.org Community Enterprise Linux Kernel Repository - el8 437 > kB/s | 971 kB 00:02 > Extra Packages for Enterprise Linux Modular 8 - x86_64 > 11 kB/s | 10 kB 00:00 > Extra Packages for Enterprise Linux 8 - x86_64 > 768 kB/s | 5.2 MB 00:06 > google-chrome > 13 kB/s | 3.5 kB 00:00 > Dependencies resolved. > Nothing to do. > Complete! > Are you trying to install the 'exact' versions of the software dnf install boost-openmpi-devel-1.66.0-6.el8.x86_64 or are you doing a dnf install boost-openmpi-devel -- Stephen J Smoogen.