How to find IP and MAC Address by command line in Linux

The Command Prompt application, sometimes referred to as command shell, is found in most Windows NT-based operating systems. Its purpose is to execute specific commands for troubleshooting or solving specific Windows issues, performing advanced administrative functions, and automating tasks via batch files and scripts.. That said, you can also use it to change your IP address when you want to Procedure to change DNS ip address in RHEL. Edit the /etc/resolv.conf file with an editor, such as nano or vim in RHEL: sudo vim /etc/resolv.conf Set the name servers (DNS IP) that you want to use on RHEL : nameserver Save and close the file in RHEL I recently installed Linux Ubuntu 14.04 to my computer. To enable internet connection I needed to change my IP and Gateway address. I did the following as a root user # ifconfig eth0 "my ip address here" netmask 255.255.255. up # route add default gw " gw address here" An Internet Protocol address (commonly referred to as IP address) is a numerical label assigned to each device connected to a computer network (using the Internet Protocol).An IP address serves both the purpose of identification and localisation of a machine. The IP address is unique within the network, allowing the communication between all connected devices. There are multiple ways to change the IP address, in addition to that you can either assign static IP address to your Computer or Dynamic IP address to your Computer. DHCP Server is required if you want Dynamic IP Address to be assigned to your Server. 1. Right click on start and select the command prompt (admin). Another day, another command line tutorial. Today, let's talk about an important networking command in Linux, ip. This command is very useful to fish out network parameters of the Linux computer. It works on all Linux distributions including Ubuntu, Arch Linux, Debian, Fedora, and etc..

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