![]() You can use the Ping command to check whether a device is online and determine the response time. If you have just finished configuring your network and want to know whether Device A can communicate to Device B, this is the command to use. The Ping command stands for Packet Internet Groper. Here, the ‘destination address’ is the IP address of the device/ host that you want to troubleshoot. To get started with the traceroute command, use the syntax below. Sudo apt-get install inetutils-traceroute To install it, use the followings command. This command does not come pre-installed in most Linux distributions. This command finds the delay and the pathway to the destination. The traceroute command is a networking command used for troubleshooting a network. Nmap doesn’t come pre-installed on most Linux distributions other than those focusing on security (e.g., Kali Linux, Parrot, etc.) To install NMAP execute the commands below depending on your system. Scanning for open ports on a device on the network.Showing the OS and services running on a given device/host.Therefore, you can use it to know the devices connected to a network Determining the number of live nodes/ hosts on a network.Nmap (Network Mapper) command is a free, open-source, and robust network tool widely used by network administrators, cyber security experts, and system administrators for various purposes. If you want to have a detailed look at the routing table, use the IP route command. For example, We will type this command to view the IP address assigned to the network interface wlan0. The IP address command is used to show addresses, bind new addresses, or delete old ones. ![]() To display all network interfaces, we will type the following command. The ip link is a command used for adding, configuring, and deleting network interfaces. The most popular IP commands are IP link, IP address, and IP route. It has replaced the ifconfig and route commands, and it comes with additional features like setting default and static routes, configuring IP addresses, and much more. The IP command is the latest and the default networking command available in most (if not all) Linux systems. The IP command replaced it.Įxecute any of the commands below to install ifconfig, depending on your distribution. Note: Unfortunately, the ifconfig command is deprecated and doesn’t come pre-installed on newer Linux distribution releases. To turn off the loopback interface (lo) Use the syntax below to set any interface up or down. A network interface’s status can either be UP or DOWN. That should list all the network interfaces on your system, including their assigned IPs, MAC, status, etc.
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