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The Benefits of Tracking an IP Address Location

In today’s digital age, tracking an IP address location has become an important tool for businesses and individuals alike. An IP address is a unique numerical identifier assigned to each device connected to the internet. By tracking an IP address location, businesses can gain valuable insights into their customers’ online behavior and preferences. Individuals can also use this information to protect their online privacy and security. Here are some of the key benefits of tracking an IP address location:

Enhanced Security

One of the main benefits of tracking an IP address location is enhanced security. By knowing where a device is located, businesses can better protect their networks from malicious activity. Additionally, individuals can use this information to identify suspicious activity on their own devices or networks. This can help them take steps to protect their data and privacy from potential threats.

Better Targeting of Ads and Content

Another benefit of tracking an IP address location is that it allows businesses to better target ads and content to their customers. By knowing where a customer is located, businesses can tailor their marketing messages to be more relevant to that customer’s needs and interests. This helps them increase engagement with potential customers and boost sales.

Improved Customer Insights

Finally, tracking an IP address location can provide businesses with valuable insights into their customers’ behavior and preferences. By analyzing the data collected from IP addresses, businesses can gain a better understanding of who their customers are and what they are looking for in terms of products or services. This helps them tailor their offerings accordingly and improve customer satisfaction levels.

Overall, tracking an IP address location provides numerous benefits for both businesses and individuals alike. From enhanced security to improved customer insights, this tool can help organizations better understand their customers’ needs and preferences in order to provide more targeted content and services.

This text was generated using a large language model, and select text has been reviewed and moderated for purposes such as readability.


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How to configure a static IP address in CentOS 7

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This short tutorial walks you through the process of changing a CentOS ethernet interface from DHCP to static--but be prepared to type.

You may have set up a CentOS server and, in the process, accidentally set it up with DHCP. If your CentOS server uses a GUI, changing that IP address from dynamic to static is very simple. But what if your server is a text-only machine? What do you do then? Fortunately, it’s not all that hard to configure that GUI-less server with a static IP address–you just have to know where it’s configured and know the syntax of the configuration. Of course, by nature of what we’re working on this is all done manually, so be prepared to type.

I’ll be working on CentOS 7 . I’ll assume you already have the operating system installed and working properly, have access to the machine, and have an administrative account. With that out of the way, let’s set up that static IP address.

Find your interface

The first thing we must do is find out the name of our ethernet interface. A static IP address cannot be configured without this name. To do this, log into your server and issue the command ip a . The output of this command ( Figure A ) will include the name of the interface.

assign ip centos 7

As you can see, from my output, the name of my interface is enp0s3. Now that we know the name of our interface, we can configure the static address.

Configuring the address

Within the directory /etc/sysconfig/network-scripts/ you should find the file ifcfg-INTERFACENAME (Where INTERFACENAME is the name of your interface). In my instance, the file is ifcfg-enp0s3. It is important that you configure that file, and not the ifcfg-eth file. Open the correct file for editing with the command sudo nano /etc/sysconfig/network-scripts/ifcfg-enp0s3 . We need to modify that file in order to not only change the protocol from dhcp to static, but to add the specific IP address. So when you open up that file, you’ll want to change:



Now you’ll need to add the entries to set not only the IP address, but the netmask, gateway, and DNS addresses. At the bottom of that file, add the following:


NOTE: All fields in bold, you will edit to reflect your networking needs. If you have fewer or more DNS entries, add or remove them as needed.

Save and close that file. In order to make the changes take effect, issue the command sudo systemctl restart network. Once the networking system has restarted, issue the command ip a to see that your IP address has changed to reflect your configuration.

And that’s all there is to setting a static IP address on CentOS. That wasn’t so hard, now was it? Don’t think this technique is limited only to GUI-less CentOS servers. You can use the same method to set a static IP address on a CentOS server with a GUI as well.

Enjoy having more control over your CentOS network interfaces.

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How To Configure Static IP Address in CentOS 7 / RHEL 7

assign ip centos 7

Setting up the network and bringing servers into the network is the primary administration task for any system administrator.

In some cases, these tasks are automated using DHCP (Dynamic Network Configuration Protocol) which takes care of assigning IP Address to Desktop/Servers.

READ: How To configure DHCP server on CentOS 7, Ubuntu 18.04 & Debian 9

But, if you go to the bigger organizations, they use static (manual) IP to avoid network issues due non-availability of DHCP servers.

Configure Static IP Address in CentOS 7 / RHEL 7

Let us configure our system for the following information.

IP Address: Netmask: Gateway (Router): DNS Server 1: DNS Server 2: Domain Name: itzgeek.local

Find the available network interfaces on your system

You can use any one of the below commands to list down the available network interfaces on the system.

Choose the desired network interface

The output of ifconfig -a may look like below. Here, I wish to change the IP address of enp0s3.

Configure the Static IP Address

In this method, we will edit the network interface file found under /etc/sysconfig/network-scripts/ directory. For interface enp0s3 , the file name would be ifcfg-enp0s3 .

Update the interface file as per the requirement.

You can also use nmtui , a text-based user interface for configuring network interfaces.

Select Edit a connection and press Enter .

Configure Static IP Address in CentOS 7 - Edit a connection

Choose the network interface and then Edit .

Configure Static IP Address in CentOS 7 - Choose the network interface

Set the IP Address and enter OK .

Configure Static IP Address in CentOS 7 - Configure Static IP Address

Restart Network

Finally, restart the network service using the following command to have these changes take effect.

Verify Static IP Address

Use ifconfig -a command to verify the static ip address.

Also, verify the DNS server entries.

That’s All. I hope you have learned how to configure a static IP address on CentOS 7 / RHEL 7 .

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How to configure network static ip address on rhel/centos 8/7.

The scope of this tutorial is to explain how we can edit and make changes to Network Configurations on RHEL/CentOS 8/7 from the command line only, and, more specifically how we can set up a Static IP address on network interfaces using system network-scripts, which is a must be configured to serve Internet-facing network services, and how to configure or change RHEL/CentOS system hostname .

Configure Network Interface in CentOS 7

Also will show you, how we can manage or disable unwanted system services, such as Network Manager , which is no longer needed in-case you use a manual static IP configured on network scripts, Avahi-Daemon which is, also, not needed on a server and represents a seriously security gap, unless you installed the server on your Laptop and you want to instantly browse your network for other services, and on the final will present you Network Manager Text User Interface – nmtui , a system utility that can ease the job of editing your system network settings with advanced Interface configurations like creating Bond , Bridge , Team and VLAN Interfaces.


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Also, be aware that most of the configurations offered by editing system files should not be performed from a remote location using SSH service until you establish a continued and reliable network connection using a fixed IP address.

On this page

  • Disable Unwanted Services in CentOS
  • Set Static IP Address on CentOS
  • Set Hostname in CentOS
  • Set Static IP Address on CentOS Using Nmtui Tool

Step 1: Disable Unwanted System Services in CentOS

1. Before actually starting to do anything we need to make sure that our system has some necessary editing and networking tools like netstat , ifconfig , wget , curl , and lsof installed, some of them will not be used on this step but it’s better to have them installed for future configurations.

Install Networking Tools in CentOS

2. After the tools have installed run ifconfig to get your Network Interfaces settings and status, and, then run netstat or lsof command to check what services are running by default on our server.

Check Network Interfaces and Services Status

3. The netstat command output is pretty self-explanatory and shows a list of sockets associated with their running program name.

If, for example, our system will not be used as a mail service you can stop Postfix master daemon which runs on localhost and, also stop and disable other unwanted services using the following commands – the only service I advise not to stop or disable for now is SSH if you need remote control over the server.

Stop Postfix Service

Stop Postfix Service

Stop Avahi Daemon Service

Stop Avahi Daemon

4. You can, also, use old init commands to stop or disable services but since Red Hat now implements systemd process and service management, you should better get used to systemctl commands and use it often.

If you use Arch Linux then it should be a piece of cake to switch to systemd – although all init commands now are linked and pass-through systemd filter.

5. If you want to get a list of all started services run the service command and for an exhaustive report use systemctl .

List All Services in Linux

6. To manage services run the systemctl command using the most important switches: start , stop , restart , reload , disable , enable , show , list-dependencies , is-enabled, etc. followed by your service name.

Also, another important feature that the systemctl command can also run on a remote server through SSH service on a specified host using -H option and perform the same actions as locally.

For example, see the command and screenshot below.

Run systemctl on Remote Server

Step 2: Configuring Static IP Address on CentOS

7. Before start editing Network Interface Card system files make sure that from now on and until you set static IP, you have physical or any other type of access to your server, because this step requires bringing down your network interface and connections.

Although it can be done smoothly without disrupting your connectivity and activate connection after reboot . There is no way you can test it before reboot if you only have a single NIC attached. Still, I will present to you with the entire method and indicate the steps needed to be avoided in case you want to maintain your connectivity and test it afterward.

8. Now move to /etc/sysconfig/network-scripts/ path, open and choose your Network Interface you want to assign static IP for editing – to get all NICs names to use ifconfig or IP command as shown.

Check Network Interface Name

9. Next, use the following network template to edit the file and make sure that the ONBOOT statement is set on YES , BOOTPROTO is set to static or none and don’t change HWADDR and UUID values provided by default.

Make the following changes as shown.

Configure IP Address in CentOS 8

10. After finishing editing the file, close it, and move to resolv.conf file if you want DNS servers enabled system-wide.

Here just add your DNS servers using nameserver statement.

11. Now Network Interface is configured with a static IP, the only thing remaining is to restart your network or reboot your system and use ifconfig or IP command to view the IP address and test configuration using ping command.

NOTE : After restart use the newly static IP address configured to perform remote login with SSH.

Check New IP Address

Step 3: Setting Hostname in CentOS

12. To adjust system hostname system-wide, open hostname and hosts file located on /etc path and edit both the following way.

Hostname File

Here you can add just the name of the system but it’s a good idea to append the .dot domain to.

Here add the same hostname as above on the line before the localhost.localdomain statements.

Set Hostname in CentOS 7

Alternatively, you can set hostname using the hostnamectl command as shown.

13. To test if your hostname is correctly set use hostname command.

Step 4: Set Static IP Address on CentOS Using Nmtui Tool

14. NetworkManager Text User Interface (TUI) tool, nmtui , is an RHEL intuitive tool which provides a text interface to configure networking by controlling Network Manager, which helps to edit advanced network settings such as assign static IP addresses to Network Interfaces, activate or disable a connection, edit WI-FI connections, set your system hostname or create advanced Network interfaces like InfiniBand, bond, bridge, team or VLAN.

NetworkManager-tui is installed by default in RHEL/CentOS 7.0, but if for some reason its missing issue the following command to install it.

14. To start Network Manager Text User Interface run the nmtui command and use TAB or arrow keys to navigate through and press Enter to select an option. If you want to directly edit or connect a specific interface run the following options.

Configure Static IP in CentOS

If you want to set static IP you can, also, use Network Manager Text User Interface as a facile alternative to actually edit network interfaces files, with a limited number of options that method has to offer, but make sure Network Manager service is enabled and started on your system.

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11 thoughts on “How to Configure Network Static IP Address on RHEL/CentOS 8/7”

After 2 hours tests, Good all be fine, it works fine, just Added : In smb.conf file configuration in [Anonymous]

1- be sure that your server has a static connection 2- added user with password : smbpasswd -a username

Thank For Author I have make a samba configuration in 2 hours

I feel learning with quick manner in this site Thank you very much

I also routinely disable NetworkManager on my servers, but do note that “nmtui” (and also nmcli) are NetworkManager clients, so you cannot use them if you have disabled NetworkManager.

Excellent!. This is the ONLY post on setting static IP on Centos which is correct. Simple flow.

All: Just follow the steps as is.

Great explanation. Great job guys.

Great article. The static IP configuration works great on my RHEL 7 server vm.

Just have a question. The Red Hat documentation says that BOOTPROTO should be set to “none”. My copy of your configuration only works with BOOTPROTO=static as you used in your example. If I set it to none the ip address does not get updated. I am having some discussions with our Linux sys admins since they are insisting that I should follow only the Red Had docs and this is a problem as I can’t make it work with BOOTPROTO=none. Is there a reason why it only works with BOOTPROTO=static?

If it works with bootptoto=static then stick with this option as long as it does the job right! As far as i know it should work also with none (none actually specifies that no boot-time protocol should be used but the IP value from IPADDR= variable should be updated for NIC at boot time).

@Ehwan Kho: Just use ip link show or ifconfig -a command and you should see all your NICs names. You can also use nmtui to edit your new card settings.

How do I add a new network card – NIC? I tried using lspci | grep Ethernet, it display that it 2 cards. My question now how could I know its name? as they are not using the eth1, eth2 et al.. And I can’t see /etc/udev/rules.d/70-persistent-net.rules. Your thoughts are highly appreciated.

In my opinion you can use both approaches, manual editing NICs interfaces or configure static IP using NM or nmtui if you dont have a GUI. But for a better control and flexibility over your NICs you should go with manual configurations, without NM. If you go with manual without NM don’t forget to use NM_CONTROLLED=no and ONBOOT=yes parameters.

please matie cezar can you teach me how to network a small firm. i will be happy if you can teach me form scratch to the level of networking a firm. i want to learn the installation and configuration

I ALWAYS disable network manager on Servers, it’s too dynamic and wastes resources. Why Red Hat is pushing that crap I don’t know, but I haven’t met anyone who wants it on a server. It’s great for desktops, and laptops, but NOT servers. Also, the DNS settings need to stick to being setup in the resolv.conf file, not spread out in the ifcfg scripts. Keeps the config manageable and easy to troubleshoot.

From going over the documentation on RHEL/CentOS 7, it appears that they’re really pushing for NetworkManager to be the default way to manage networking. For servers (not desktop) do you believe it’s best to disable NetworkManager and just assign static IPs normally as you have instructed or do you believing managing all the network through net manager is worth it?

The reason I ask is because I only deal with servers (not desktops) and I’ve seen many times NetworkManger causing major network issues. So I’m still on the fence whether or not to do things through netManager. Specially considering that rhel 7 is using it by default.

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assign ip centos 7

Static IP on CentOS 7: how to configure it?

Static ip on centos 7 machine network interface.

There are several ways to configure a static IP address on a network interface in CentOS 7 . Whoever, private, professional or company, needed to set a static IP address , will have the following guide.

Consider connecting to a Linux CentOS 7 machine through the command line yum install vim we configure the network card of reference and to find it we execute ip addr

we will have the following example result:

enp0s3 : <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 08:00:27:0b:d5:2c brd ff:ff:ff:ff:ff:ff inet brd scope global dynamic enp0s3 valid_lft 86146sec preferred_lft 86146sec inet6 fe80::a00:27ff:fe0b:d52c/64 scope link valid_lft forever preferred_lft forever

In this case the assignment mode is DHCP , in case we want to change to static we will modify the following file: vim /etc/sysconfig/network-scripts/ifcfg-enp0s3

adding and modifying the following parameters:


in particular we will modify: BOOTPROTO=static and we will add the following variables:


once considered the example of available for static assignment it will be possible to restart the reteli card: ifdown enp0s3 && ifup enp0s3



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