Suggested solution to shape the speed of the Monero daemon

shape-monerod.sh

#!/bin/sh

LINK_SPEED="1gbit"
RATE="128kbit"
IFACE="eth0"
PORT="18080"

tc qdisc add dev $IFACE root handle 2 htb default 1
tc class add dev $IFACE parent 2: classid 2:6 htb rate $LINK_SPEED
tc class add dev $IFACE parent 2:6 classid 2:100d htb rate $RATE
tc filter add dev $IFACE parent 2: protocol ip pref 4 u32 match ip sport $PORT 0xffff classid 2:100d
tc filter add dev $IFACE parent 2: protocol ip pref 4 u32 match ip dport $PORT 0xffff classid 2:100d