Installation guide of DNS-collector from binary
This post details how to install the go-dnscollector tool with systemd.
Installation
Install go-dnscollector from binary
Create some folders and user
adduser -M dnscollector
mkdir /etc/dnscollector/
mkdir /var/run/dnscollector/
Export the following variable to get the version you want to download
export DNSCOLLECTOR_VERSION=v0.10.0
Download the binary
wget https://github.com/dmachard/go-dnscollector/releases/download/$(echo $DNSCOLLECTOR_VERSION)/go-dnscollector_$(echo $DNSCOLLECTOR_VERSION)_linux_amd64.tar.gz
tar xvf go-dnscollector_$(echo $DNSCOLLECTOR_VERSION)_linux_amd64.tar.gz
mv go-dnscollector /usr/bin/
mv config.yml /etc/dnscollector/config.yml.default
Certificate
Create a certificate. In this example we used a self-signed cert. Prefer to use an official TLS certificate according to your context.
cd /etc/dnscollector/
openssl req -x509 -nodes -newkey rsa:2048 -keyout dnscollector.key -out dnscollector.crt
Configuration
Configure go-dnscollector
touch /etc/dnscollector/config.yml
vim config.yml
trace:
verbose: true
collectors:
dnstap:
enable: true
listen-ip: 0.0.0.0
listen-port: 6000
tls-support: true
cert-file: "/etc/dnscollector/dnscollector.crt"
key-file: "/etc/dnscollector/dnscollector.key"
loggers:
logfile:
enable: true
file-path: "/var/run/dnscollector/dnstap.log"
max-size: 100
max-files: 10
mode: text
Start
Enable & Start stunnel. Configure your systemd service
vim /usr/lib/systemd/system/dnscollector.service
[Unit]
Description=Go DnsCollector
Documentation=https://github.com/dmachard/go-dnscollector
Wants=network-online.target
After=network-online.target
[Service]
User=dnscollector
Group=dnscollector
ExecStart=/usr/bin/go-dnscollector --config /etc/dnscollector/config.yml
ExecStop=/usr/bin/pkill go-dnscollector
Type=simple
[Install]
WantedBy=multi-user.target
Chown
chown dnscollector:dnscollector -R /etc/dnscollector/
chown -R dnscollector:dnscollector /var/run/dnscollector/
Enable and start the go-dnscollector service.
systemctl enable --now dnscollector
systemctl restart dnscollector