How to configure ip in centos

How to configure the IP address of the CentOS system

Method 1: Use the network manager

• Open "System Settings"
• Select "Network"
• Select the network connection to configure
• Click "Edit"
• In the "IPv4 Settings" tab, select "Manual ”
• Enter the required IP address, subnet mask and gateway
• Click “Save”

Method 2: Using the command line

• Use the following command to get the list of current network interfaces:

  <code>nmcli device status</code>

• Determine the network interface to configure (for example, enp0s3)

• Configure the IP address using the following command:

  <code>nmcli con mod enp0s3 ipv4.addresses 192.168.1.10/24 gw4 192.168.1.1</code>

  Where:

• enp0s3 is replaced with the network interface
• 192.168.1.10 is replaced with the desired IP address
• 24 Replace with subnet mask
• 192.168.1.1 Replace with gateway address

Other options

• DHCP: If you want the system to obtain an IP address from a DHCP server, select the Automatic option in Network Manager.
• Static IP: If you wish to manually assign an IP address, use one of the steps above.

• Check the IP address: Check the assigned IP address using the following command:

  <code>ip a</code>

• Apply changes: After configuring the IP address, you need to apply the changes using the following command:

  <code>nmcli con up enp0s3</code>

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