directement j'ai fait:
rpm -Uvh initscripts-9.56.1-5.fc21.x86_64.rpm systemd-216-12.fc21.x86_64.rpm systemd-python3-216-12.fc21.x86_64.rpm systemd-python-216-12.fc21.x86_64.rpm util-linux-2.25.2-1.fc21.x86_64.rpm systemd-libs-216-12.fc21.x86_64.rpm ppp-2.4.7-5.fc21.x86_64.rpm libgudev1-216-12.fc21.x86_64.rpm NetworkManager-0.9.10.0-14.git20140704.fc21.x86_64.rpm kmod-19-1.fc21.x86_64.rpm kmod-libs-19-1.fc21.x86_64.rpm NetworkManager-glib-0.9.10.0-14.git20140704.fc21.x86_64.rpm libgcrypt-1.6.1-7.fc21.x86_64.rpm libseccomp-2.1.1-5.fc21.x86_64.rpm cairo-1.13.1-0.4.git337ab1f.fc21.x86_64.rpm libuuid-2.25.2-1.fc21.x86_64.rpm libblkid-2.25.2-1.fc21.x86_64.rpm libmount-2.25.2-1.fc21.x86_64.rpm cryptsetup-1.6.6-1.fc21.x86_64.rpm cryptsetup-libs-1.6.6-1.fc21.x86_64.rpm cryptsetup-python-1.6.6-1.fc21.x86_64.rpm libsmartcols-2.25.2-1.fc21.x86_64.rpm systemd-libs-216-12.fc21.x86_64.rpm systemd-python-216-12.fc21.x86_64.rpm systemd-python3-216-12.fc21.x86_64.rpm systemd-compat-libs-216-12.fc21.x86_64.rpm python3-libs-3.4.1-16.fc21.x86_64.rpm python-2.7.8-7.fc21.x86_64.rpm python-libs-2.7.8-7.fc21.x86_64.rpm python-devel-2.7.8-7.fc21.x86_64.rpm python3-3.4.1-16.fc21.x86_64.rpm python3-libs-3.4.1-16.fc21.x86_64.rpm python3-pip-1.5.6-2.fc21.noarch.rpm python3-setuptools-2.0-8.fc21.noarch.rpm --nodeps
dont les packages sont dans:
/var/lib/yum/plugins/local
ou dans :
/var/cache/system-upgrade ( si une commande fedup a déjà tournée)