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Linux DNS Configuration

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Linux DNS Configuration

Console Configuration

 

Linux DNS Configuraiton via the CLI is the most commonly used method of configuration.

 

 

Step 1

 

Log into the server and su – to root, perform the following commands by replacing 1.1.1.1 and 2.2.2.2 with the DNSFlex closest DNS Servers :

 

# cp /etc/resolv.conf /etc/resolv.conf.bak
# echo “nameserver 1.1.1.1” > /etc/resolv.conf ; echo “nameserver 2.2.2.2” >> /etc/resolv.conf

 

 

Step 2

 

Validate a DNS query by performing the following command:

 

# dig google.com

 

 

GUI Configuration

 

Step 1

 

Navigate to the network manager icon in the menu bar, click the Edit Connections... item.

 

 

Step 2

Switch to the “Wired” or “Wireless” tabs, depending on your use case.  In this example we will use the “WIFI” Connection

 

Step 3

Select the name of your network, and click Edit...

 

Step 4

Switch to the IPv4 tab, and then change it from automatic DHCP to Automatic (DHCP) addresses only

 

Step 5

Enter the two closest DNSFlex Servers in this field seperated by commas

 

 

 

Step 6

Click save, and you’re done!

GD
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