Introduction
Dnsmasq is a lightweight DNS forwarder and DHCP server. This tutorial will guide you through the process of installing and configuring Dnsmasq as a local DNS resolver on Rocky Linux.
Prerequisites
Before you begin, ensure you have:
- A Rocky Linux system
- Root or sudo privileges
Step 1: Install Dnsmasq
Install Dnsmasq using the following command:
sudo dnf install -y dnsmasq
Step 2: Configure Dnsmasq
Edit the Dnsmasq configuration file:
sudo nano /etc/dnsmasq.conf
Add the following configuration to the file:
listen-address=127.0.0.1
bind-interfaces
domain-needed
bogus-priv
no-resolv
server=8.8.8.8
server=8.8.4.4
Save and close the file.
Step 3: Restart Dnsmasq
Restart the Dnsmasq service to apply the changes:
sudo systemctl restart dnsmasq
Step 4: Test DNS Resolution
Test DNS resolution using the nslookup command:
nslookup example.com
Step 5: Configure Network Settings
Update the network settings on your system to use the local DNS resolver. Edit the network configuration file:
sudo nano /etc/sysconfig/network-scripts/ifcfg-eth0
Add the following line to the file:
DNS1=127.0.0.1
Save and close the file. Restart the network service:
sudo systemctl restart NetworkManager
Conclusion
Congratulations! You have successfully installed a local DNS resolver with Dnsmasq on Rocky Linux. Your system is now configured to use Dnsmasq for DNS resolution.
