if [ -e "$CONF" ]; then
# enable ssh and pam-generic services
perl -ne 'if (/\[(ssh|pam-generic)\]/ .. /enabled/) { $_ =~ s/enabled = false/enabled = true/gi }; print $_' "$CONF" > "$CONF.$$" && \
- mv "$CONF.$$" "$CONF"
+ cp_mv "$CONF.$$" "$CONF"
rm -f "$CONF.$$"
# add network address and class if needed