Hi, have you checked [1] ?  I use "ulimit -n 4096" ( https://copr-dist-git.fedorainfracloud.org/cgit/sergiomb/electrons/nodejs... ) but I can't install it [2] [1] https://fedoraproject.org/wiki/Changes/MemoryConstraintsMacros https://src.fedoraproject.org/rpms/build-constraints-rpm-macros [2] mock -r fedora-35-x86_64 --install build-constraints-rpm-macros Error: Transaction test error: file /usr/lib/rpm/macros.d/macros.build-constraints from install of build-constraints-rpm-macros-1-2.fc36.noarch conflicts with file from package redhat-rpm-config-212-1.fc36.noarch On Thu, 2022-05-26 at 12:51 +0200, Vitaly Zaitsev via rpmfusion- developers wrote: -- Sérgio M. B.