sidn-lxd-ansible-demo/roles/lxd_common/templates/lxd_tune_network.sh

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#!/bin/bash
#
# {{ ansible_managed }}
#
# Tweak network interface txqueuelen as recommended for LXD:
# https://github.com/lxc/lxd/blob/master/doc/production-setup.md
#
INTERFACES=$(cat /proc/net/dev | grep : | cut -d: -f1 | sed -e 's/ //g' | grep -v ^lo$)
for IFACE in $INTERFACES; do
ip link set $IFACE txqueuelen 10000
done