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