PREUN
/bin/sh
dkms remove -m visdn -v 0.18.3-1mdv2009.1 --rpm_safe_upgrade --all
POSTIN
/bin/sh
dkms add -m visdn -v 0.18.3-1mdv2009.1 --rpm_safe_upgrade dkms build -m visdn -v 0.18.3-1mdv2009.1 --rpm_safe_upgrade dkms install -m visdn -v 0.18.3-1mdv2009.1 --rpm_safe_upgrade