How do I use dnsmasq as a DNS server?
The dnsmasq server can be configured via the /etc/dnsmasq. conf file (which contains well commented and explained options), and user-defined configuration files can also be added in the /etc/dnsmasq. d directory. DNS is enabled by default, so before making any changes, make sure to create a backup of /etc/dnsmasq.
What is dnsmasq for DHCP?
dnsmasq is a lightweight and simple program which enables issuing DHCP addresses on your network and registering the hostname & IP address in DNS. This configuration also allows external resolution, so your whole network will be able to speak to itself and find external sites too.
How do I know if dnsmasq is working?
Dnsmasq troubleshooting
- See if dnsmasq is running with ps guax | grep dnsmasq.
- Check the dnsmasq configuration files in /etc/dnsmasq.d.
- There should be some settings in them and they should not mentioned that a service (DNS or DHCP) is not enabled.
Where is dnsmasq cache?
By default, dnsmasq saves the original resolv. conf file in ‘/run/dnsmasq/resolv. conf’.
What is dnsmasq Pihole?
The Pi-Hole fork of dnsmasq is called pihole-FTL and is, in essence, a dnsmasq process running inside something with a network front end for doing querying and dynamic reloading of data.
What happens if I flush DNS?
What does flush DNS do? Flushing DNS will clear any IP addresses or other DNS records from your cache. This can help resolve security, internet connectivity, and other issues. It’s important to understand that your DNS cache will clear itself out from time to time without your intervention.
How to install and configure Dnsmasq?
Install Dnsmasq on Ubuntu 20.04|18.04 Ubuntu 18.04+comes with systemd-resolve which you need to disable since it binds to port 53 which will conflict with Dnsmasq port.
How to configure Dnsmasq as an authoritative DNS server?
domain-needed This tells dnsmasq to never pass short names to the upstream DNS servers.
How to fix Dnsmasq?
dnsmasq by default binds to the wildcard and drops queries it isn’t supposed to respond to. This lets dnsmasq continue to work properly if interfaces change while running. You can use bind-interfaces to bind interfaces on startup, but then it won’t see newly added interfaces. bind-dynamic does the same, but will continue looking for new interfaces.
How do I configure DNS?
Go to the Control Panel.