exchange/doc/system/plots/set-latency.bash
2020-07-12 18:19:17 +02:00

20 lines
551 B
Bash

#/usr/bin/env bash
# This is intended to be run with SSH agent forwarding,
# so we can log in as root to adjust artificial delay.
set -eu
echo "setting latency to $1"
# check that we can log in at least!
ssh root@gv.taler.net true
ssh root@firefly.gnunet.org true
ssh root@gv.taler.net tc qdisc delete dev enp4s0f0 root || true
ssh root@firefly.gnunet.org tc qdisc delete dev eno2 root || true
ssh root@gv.taler.net tc qdisc add dev enp4s0f0 root netem delay "${1}ms"
ssh root@firefly.gnunet.org tc qdisc add dev eno2 root netem delay "${1}ms"