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    Easiest Way To Change Mac Address Linux!

    We’ll learn how to change mac address Linux in this tutorial. Regardless of whether you are running Kali Linux, Ubuntu, or another Linux distribution, these instructions will work. Let’s now look at how to change the mac address in Linux.

    change mac address linux

    What is the MAC address?

    A MAC (Media Access Control) address is a unique identifier assigned to network interfaces for communication on the physical network segment. It is a hardware address burned into the network interface controller (NIC).

    The MAC address is a 12-digit hexadecimal number (consisting of numbers 0-9 and letters A-F) that is typically formatted as six pairs of hexadecimal digits separated by colons or hyphens. For example, 00:11:22:33:44:55 or 00-11-22-33-44-55.

    Networks use MAC addresses to identify and communicate with devices on the network. They are used in the MAC header of the data frames transmitted on the network to identify the source and destination devices.

    Each MAC address is unique and is assigned to a specific network interface. No two devices on the same network can have the same MAC address. MAC addresses are typically assigned by the manufacturer of the network interface and are stored in the hardware itself.

    Why change the MAC address?

    In some cases, it may be necessary or beneficial to change the MAC address of a computer. This is called as “spoofing” the MAC address. For various purposes, including testing, network access, and privacy, spoofing the MAC address might be helpful. It is crucial to remember that modifying the MAC address may not be permitted in some nations and may result in network communication and access problems.

    Multiple reasons to change the MAC address:

    • To access particular networks or resources, it may occasionally be required to change the MAC address. You might have to modify the MAC address of your device if, for instance, a network only permits access to certain MAC addresses.
    • There are also security and privacy to consider when changing the MAC address. MAC addresses might be utilised to monitor your device and online activity. By making it more challenging for your device to be recognised and monitored, changing the MAC address can help protect your privacy.

    It’s important to recognize that changing the MAC address won’t make your device and online behaviour entirely anonymous. Other techniques and technologies, such IP addresses, cookies, and browser fingerprinting, can be used to identify and track your devices.

    It’s also important to keep in mind that in some nations, changing the MAC address could not be permitted. Before changing the MAC address of your device, it is crucial to review the rules and laws in your country.

    Change MAC Address

    Now let’s see how to change mac addresses in Linux, whether it be change mac address ubuntu or change mac address Linux mint, or any other Linux OS.

    Things You Need:

    Before we begin, here are a few things you need to have in place:

    • A Linux system with an active internet connection
    • Root or superuser access to your Linux system

    Change Mac address Step :

    Step 1: Find the Current MAC Address (command in Linux find mac)

    Before changing the MAC address of your device, it is essential to find the current MAC address. You can find the MAC address of your device using the following command:

    ifconfig
    ifconfig to check mac address

    This command will display the MAC address of your device’s network interfaces. Look for the interface you want to change the MAC address for and note down its MAC address.

    Step 2: Set the MAC Address to a Random Value

    Once you have the current MAC address, turn off the interface whose you want to change the mac address by the following command:

    sudo ifconfig interface down
    ex: sudo ifconfig wlan0 down

    Replace “interface” with the name of the interface whose you want to change the mac address.

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    Once you have the current MAC address, you can set it to a random value using the following command:

    sudo ifconfig interface hw ether 00:11:22:33:44:55
    ex: sudo ifconfig wlan0 hw ether 00:11:33:44:55
    change mac address

    Replace “interface” with the name of the interface you want to change the MAC address for. The random MAC address “00:11:22:33:44:55” can be replaced with any other valid MAC address.

    Step 3: Set the MAC Address to a Specific Value

    If you want to set the MAC address to a specific value, you can use the following command:

    sudo ifconfig interface hw ether 00:11:22:33:44:55

    Replace “interface” with the name of the interface you want to change the MAC address for and “00:11:22:33:44:55” with the specific MAC address you want to set.

    change mac address linux successfully

    Step 4: Make the Changes Permanent

    The changes made in the previous steps are temporary and will be lost after a reboot. To change mac address Linux permanently make the changes permanent, you need to add the commands to the network configuration files.

    For Debian and Ubuntu systems, you can edit the ‘/etc/network/interfaces‘ file and add the following lines:

    iface interface inet static
    hwaddress ether 00:11:22:33:44:55

    Replace “interface” with the name of the interface and “00:11:22:33:44:55” with the MAC address you want to set.

    For CentOS and Fedora systems, you can edit the ‘/etc/sysconfig/network-scripts/ifcfg-interface’ file and add the following line:

    HWADDR=00:11:22:33:44:55

    Replace “interface” with the name of the interface and “00:11:22:33:44:55” with the MAC address you want to set.

    Step 5: Restart the Network

    After making the changes to the network configuration files, you need to restart the network for the changes to take effect.

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    Conclusion

    So this is how you can easily change mac addresses in any Linux operating system, whether it be Ubuntu, Kali Linux, or any other Linux os.

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