Use ifconfig to view interface configuration in Linux, as well as setting an IP address The output will show your current system's IP address. To get started, type ifconfig at the terminal prompt, and then hit Enter. Note: A network interface is a network device. Command: ifconfig eth0 192 . ifconfig (interface configuration) is a network management tool. Make sure you're running the command as [code ]root[/code]. You can find your machine's IP address by typing in ipconfig (or ifconfig on Linux). Let's take a look at how to use ifconfig to accomplish some more common tasks you may find yourself working on completing. $ ifconfig | awk '/^eth-g0/ { iface = $1; getline; sub ("addr:", ""); print iface, $1, $2 }' eth-g0 inet 222.222.22.22. Example 7: Display State of Devices Continuously using Linux ip command. The following Linux commands can be used to check ip address. For this you need to follow the steps mentioned below: Launch the terminal by pressing Ctrl+ T or clicking on the terminal icon or searching for terminal in the search window shown below and pressing enter. Use the following command to setup IP, subnet mask, broadcast address in Linux. (Refer to the ifconfig(1M) man page for . Open the Terminal application. Displays the configuration of a specific interface: # ifconfig -s. Displays a shortlist: $ ip address. With DHCP, you get IP address, subnet mask, broadcast address, Gateway IP and DNS ip addresses. To associate an IP address with the newly created interface, enter the following command: ifconfig gre0 10.10.10.1; How Do I See All Ip Address In Linux? To find the IP address using the ip addr command, Execute the following command in a terminal window: 1. ip addr show. The ifconfig command has been deprecated and thus missing by default on some modern Linux distributions. For instance, to configure the interface eth1 to use a network mask of 255.255.255.0, the command would be: ifconfig is the most widely used command for checking the IP address associated with a Linux computer. This method is used for finding our IP address associates applying the ifconfig . It is used at boot time to set up interfaces as necessary. Change the MAC address. Please note that we are using our IP address on this page. After that, it is usually needed to query and manage network parameters. The following command changes the network interface named "eth0" to the IP address 102.168..1 and assigns the subnet mask 255.255.255.0: sudo ifconfig eth0 192.168..1 netmask 255.255.255.. You can of course use any values. ifconfig eth1 up ifconfig eth2 down In case you need to see all interfaces on machine, we could use -a option with ifconfig command with like below. Example 8: Display MAC Addresses of the Connected System. You can find your machine's IP address by typing in ipconfig (or ifconfig on Linux). In Ubuntu-based distributions, you can install net-tools using this command: sudo apt install net-tools To use this . ip addr show eth0. ifconfig is the most widely used command for checking the IP address associated with a Linux computer. I can get the network interface from ifconfig using the command: ifconfig |grep " L" | awk '{ print $1}' eth0 lo tun0 and the ip address of each interface with the command The ifconfig command may also be used to configure interfaces for different networking protocols, and may be used to set other parameters on the interface (though doing so is rarely necessary). This is a very simple method that should work for most users. If ifconfig is used without any parameters it will show all the information of all the network interfaces (loopback,eth0,etc). After the installation of net-tools, you can run the "ifconfig" command. For a long time, the ifconfig command was the default method for configuring a network interface. The interfaces are configured with an IPv4 and . This guide will show you how to configure a static IP address on the most popular Linux distros. Finally, Click OK to save the changes. When a line starting with the string eth-g0 is found, the first word is saved in a variable (this is the interface name), then the next line is immediately read and addr: is removed from . Method # 3: On the Shell with ifconfig command. Or dig TXT +short o-o.myaddr.l.google.com @ns1.google.com. To see the full manual for the command, type the following into your terminal: man ip Using the ip Command Instead of ifconfig. ifconfig etho 192.168.1.3 netmask 255.255.255. up. In this article, we'll explore how to use the ifconfig command. Click on the Settings icon that appears among the results, as in the image below: 3. sudo apt install net-tools. Ping the network interface - The command ifconfig interface dhcp ping lets you test to see if the . 3. Method-2: Configure Static IP Address using ifconfig. So, if you want to set the IP in your Linux box, run: ip addr add 10.1.1.2/16 dev eth1 ip link set eth1 up. You might also like to read the following related articles: Type the following dig (domain information groper) command on a Linux, OS X, or Unix-like operating systems to see your own public IP address assigned by the ISP: dig +short myip.opendns.com @resolver1.opendns.com. However, the IP address of your network interface alias must be the same as the original interface. Step 4.2 - Setup static IP, subnet mask, broadcast address in Linux. The network connection ens33 got the IP address via DHCP. 3. An example is shown below. An IP address, a MAC address, a MTU size, and other details about a network interface can be found by the . To assign a network mask to an interface, use the keyword netmask and the netmask address. The options parameter determines what the ifconfig command displays. Method-1: Manually Edit Network Interface Config File. Method # 1: Using IP address command. This command provides IP addresses line by line. You will receive a message "ifconfig command not found" if you try to use it. It can: Display information about the system's network configuration. Using ifconfig command you can assign IP address and netmask, display network configuration (including broadcast address, mac address, MTU), enable or disable an interface. So, which command is convenient according to you which you would prefer to use? An example: Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface default 10.0.2.2 0.0.0.0 UG 1024 0 0 eth0 10.0.2.0 * 255.255.255. Using ifconfig. This means the ifconfig command isn't available. ifconfig stands for "interface configuration". To make them persist, you will need to add the changes to your NIC. The ifconfig command displays information about the configuration of an interface that you specify. # ifconfig -bash: ifconfig: command not found. Let's look at two ip commands - ip addr focuses on . Set Your Static IP in CentOS Using the ip Command ifconfig is being replaced by the ip command. Thus, we have highlighted features of ifconfig command and how they can be done using ip command. . The following commands will get you the private IP address of your interfaces: ifconfig -a. ip addr (ip a) hostname -I | awk '{print $1}' ip route get 1.2. ifconfig command is used to configure the kernel-resident network interfaces. The ip command can do a bunch of other stuff as well, but we'll focus on how it replaces the ifconfig command. With this, you'll automatically get the IP Address, Subnet Mask, broadcast address, Gateway IP and DNS IP Address. ip route show dev eth0. Restart network service or reboot your system to take effect the changes. Here's how to use the ip command instead. This command replaces the old great and now outdated command of ifconfig on modern Linux distributions. Click Select Network. sysadmins.. Information like : Link encap, hardware address and most especially RX packets and TX packets since with from these you can determine whether there is any errors in the network. The third line gives the machine . Note that I've highlighted the IP addresses in . It allows us to view and configure network interface settings. Go to step xxx to test your internet connection. However, use of net-tools is not encouraged so I suggest sticking with the ip command. 20. Example 9: Assign an IP Address to a network interface. If you run ifconfig again, you will see that your interface has now adopted the new settings that you assigned to it. See man ip address (man ip-address) for details. To get a list of all IP addresses associated with your segment, enter arp -a. The route command. For IP address ping, set the broadcast IP address to 192.168 (for Linux, set the IP address to 1.255 (for Windows). This opens a new pop-up window with details on wired settings. To get a list of all IP addresses associated with your segment, enter arp -a. $ sudo apt install net-tools -y. We can set our DNS server by the following command. In the above screenshot, you can see two interfaces, "ens5" and "lo". This article covers "15 Useful "ifconfig" Commands" with their practical examples, which might be very helpful to you in managing and configuring network interfaces in Linux systems. Step 2: Install net-tools. Go through below simple commands to renew (restart, or reflush) the ethernet connection, that will result in the renewing of DHPC IP. That command is ip, and it does a great job of stepping in for the out-of-date ifconfig. The network connection ens33 got the IP address via DHCP. $ ip a $ ip address. Drop the IP address - The command ifconfig interface dhcp drop causes dhcpagent to take down the network interface without informing the DHCP server that it is doing so. Update: The networking command ifconfig is deprecated and replaced by the ip command (Learn 10 Examples of IP Command) in most Linux distributions. Setting up IP Address - Static (via Command Line) - In static case, we're using Class C for IP address and type the following commands to set the IPv4 address, netmask and broadcast address. Enter this command: ifconfig [nic]:0 [IP-Address] netmask [mask] up. Note: You must be root (or have permissions) to use ifconfig. When running the "ip" command, you will be presented with all the network interfaces available on your host. nmcli -p device show. host# /sbin/ifconfig eth0 131.197.25.13 netmask 255.255.255.. This tutorial covers the ip command, which you should use in place of ifconfig. We . Ubuntu Do mention this in your comments. # ifconfig -a ip addr is an extremely powerful Linux command that will locate your IP address right within the terminal. -add: This is used to assign an IP address to an interface. ifconfig Options. Let us set static IP address to 192.168.2.16 with 255.255.255. # ifconfig interface. With the 'ifconfig' command, the new (aliased) interfaces can be checked as shown in the output above. Modified 10 years, 2 months ago. In this article, we have discussed different commands by which we can find out the IP address of the machine in Linux. ifconfig command is very popular and old command used to manage network related configuration in Linux operating system. You should get the IP address (es) of your Linux machine and their associated network adapter names. The arp value is the default. This command lists all network interfaces on the system, so take note of the name of the interface for which you want to change the IP address. For IP address ping, set the broadcast IP address to 192.168 (for Linux, set the IP address to 1.255 (for Windows). Whether its displaying network settings, configuring an IP address or netmask, creating aliases for interfaces, or setting MAC address, ifconfig can handle it. Just type ip addr in the command prompt once you have opened the terminal. I'm not interested in all the information of ifconfig output, I just want to know the network interface with its respective ip address. The word 'ifconfig' stands for interface configuration. Here are 3 methods to get the Ip address. With ifconfig, you can assign IP addresses, enable or disable interfaces, manage ARP cache, routes, and more. As you can see, the IP address of the ens33 network connection is listed. For a long time, the ifconfig command was the default method for configuring a network interface. Finding IP Addresses with ifconfig Command: ifconfig is a very old command for finding the IP addresses of Linux servers and workstations. sudo apt update. The easiest way to get your private IP address on Linux is to use the "ip" command with the "a" option for "address". Linux ifconfig command ip address , subnet mask permanent. So ip -s a s up would give you the same kind of information as ifconfig does. Actually, you can still use ifconfig command. Here's how to use the ip command instead.The ip command can do a bunch of other stuff as well, but we'll focus on how it replaces the ifconfig command. Answer (1 of 6): You might want to: 1.