01. Configure Network Settings Configure node1 with the following network settings: Hostname: node1.domain250.example.com IP address: 172.25.250.100 Subnet mask: 255.255.255.0 Gateway…

This task requires configuring the network settings for node1 with a specific hostname, IP address, subnet mask, and gateway.

Submitted by yasin.bd· Apr 18, 2026Basic Networking

Question

Configure Network Settings Configure node1 with the following network settings: Hostname: node1.domain250.example.com IP address: 172.25.250.100 Subnet mask: 255.255.255.0 Gateway: 172.25.250.254 Correct Answer: See the below explanation Explanation Explanation/Reference: Solution: # Connect to servera via console for IP modification, then check using the ip addr command. # After confirming no issues, SSH to servera for hostname modification. This way, you can copy the hostname to avoid typos. [root@clear ~] nmcli con show [root@clear ~] nmcli con mod 'network configuration name' ipv4.method manual ipv4.addresses 172.25.0.25/24 ipv4.gateway 172.25.0.254 ipv4.dns 172.25.0.254 autoconnect yes [root@clear ~] nmcli con up 'network configuration name' [root@clear ~] ip a [root@clear ~] ssh [email protected] [root@clear ~] hostnamectl set-hostname red.lab0.example.com # Verification [root@node1 ~] ip a //Check if the IP is correct [root@node1 ~] hostname //Check if the hostname is correct

Explanation

This task requires configuring the network settings for node1 with a specific hostname, IP address, subnet mask, and gateway.

Concept tested. Network configuration using nmcli

Reference. https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html/configuring_and_managing_networking/managing-network-connections-with-nmcli_configuring-and-managing-networking

Topics

#Network configuration#IP addressing#Hostname management#nmcli

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