generate systemd network link files to avoid "s0" prefixes

gen-link.sh

#!/bin/sh
#
# generate systemd .link files for "enpX" devices
# i don't like the "s0" suffix because it's useless
#
# 2020.04.25  darell tan
#

umask 022

for ID in 1 2 3 4; do
        NAME=/etc/systemd/network/10-net-p${ID}.link
        echo $NAME
        cat <<EOF > $NAME
[Match]
Path=pci-0000:0${ID}:*

[Link]
Name=enp${ID}
EOF
done