If you’ve edited your Mac hosts file, but your changes aren’t going live, the problem may be with your DNS cache. When you’re done, you can press Ctrl + O to overwrite the existing file, followed by the Enter/Return key. In addition to adding IP addresses, you can also block them to prevent your device from pointing a site their way. You can find a key menu list at the bottom of the editor window. For example, multiple entries should be in the following format: SERVER_IP_ADDRESS SERVER_IP_ADDRESS If you want to cancel the changes you’re making, you can use your keyboard to delete the line(s) you’ve added. You will want to replace this, as well as “,” with whatever you’re trying to add.Īlso, keep in mind that every entry you add should have its own line. Then, on a new line, you can add the IP address of the domain you want to add:Īs you can see from the above screenshot, we added “123.123.123.123” as our new domain. You can use your arrow keys to navigate to the bottom of the file. However, let’s imagine that you’re trying to add a new domain. The following steps will depend on what exactly you’re planning to do within the hosts file. At this point, your screen should look like this. Begin Editing Your Mac Hosts FileĪfter you type in your password and hit Enter/Return, you’ll be brought to the Nano text editor. Note that when you enter your password, it won’t populate on the screen for security purposes. Type in your password and hit the Enter/Return key once again. You’ll then be asked to type in your administrator password: You can then enter the following command into the Terminal application. Start by installing the newest version of the Nano program. We’ll use the Nano text editor for this tutorial because it’s versatile and user-friendly. But in order to access it, you’ll need to use a text editor. Once the Terminal application opens, you can find the hosts file in the /etc/hosts folder. Then type “terminal” in the search field, and select the Terminal icon when it appears. Next, click on the Terminal application.Īlternatively, you can also hit F4 to open the launcher. You can find the Terminal application by navigating to Finder > Go > Utilities.įind the Terminal application on your Macĭoing this will bring up various tools that you can use to control your Mac device. If you don’t have these privileges, you can log in with an administrator account and enable the root user account. Also, note that you’ll need root user privileges to do this. To get started, you’ll first need to access and open your Terminal application. Below is how you can locate and edit this file in four easy steps. Now that you understand a little more about the Mac hosts file, it’s time to get to work. How To Find and Edit Your Mac Hosts File? As such, you can ensure that all seems to look and function appropriately before you complete the migration process. In a nutshell, you can use your Mac hosts file to mimic and test everything. This rule applies even when the DNS hasn’t propagated yet. Manually editing your hosts file to resolve the IP address and domain name will let you test your site on a different server. In other words, you can manually configure your domain name to the IP address of your choosing.įor example, one of the reasons you may want to edit your hosts file is because you’re in the process of migrating your website to a new server. However, your computer (in this case, a Mac) can use the hosts file to resolve your site to a different or specific IP address. The DNS translates your URL (such as ) into an IP address that the server can interpret. Typically, your website is found using the DNS in the nameservers your domain is pointed to. What the Mac Hosts File Is (and Why It’s Important)
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