If the hosts file claims to be locked, it’s because you did not prefix the edit with the “sudo” command.
For juggling multiple hosts files consider using a manager app like GasMask.
With some modifications, it can be necessary to flush DNS cache with dscacheutil before the changes take effect.
You can redirect websites locally using the same logic, perfect for setting up test domains.
You can block websites through hosts by adding them to the file and sending them nowhere, preventing access.
The # symbol functions as a comment, it can be used to add comments to hosts entries or to comment out hosts modifications.
Always add new hosts to their own unique line.
The preceding IP address is where the following domain will resolve to.
The following tips go beyond Mac OS X and apply to any hosts file, be it on a Mac, Windows, or Linux. Tips to Consider When Editing Hosts Files Note: the procedure is the same with older versions of Mac OS X, though the path to hosts could be /etc/hosts if the version of Mac OS X is dated significantly. If you’d like to see how this entire process is accomplished before doing it yourself, watch the video below to see a demonstration of the hosts file being modified on Mac OS X to block the website ‘’ from loading: When flushing DNS cache with that command you will need to enter the admin password. You can verify your hosts modifications immediately with ping, Safari, or any other network app.Ĭhanges take effect immediately though some adjustments may need to be accompanied by a DNS flush which can be done with the following command in macOS 10.12+ through OS X 10.9:ĭscacheutil -flushcache sudo killall -HUP mDNSResponder
When finished, hit Control+O followed by ENTER/RETURN to save changes to /private/etc/hosts, then hit Control+X to exit out of nano.
Once the hosts file is loaded within nano, use the arrow keys to navigate to the bottom of the hosts file to make your modifications.
Enter the administrator password when requested, you will not see it typed on screen as usual with the command line.
Type the following command at the prompt:.
Launch Terminal, found in /Applications/Utilities/ or launched through Spotlight.
Let’s get started making some edits to /etc/hosts in macOS and Mac OS X! Don’t let the command line or Terminal sound intimidating though because it’s not, we’ll make the entire process of editing a Mac hosts file super easy. We’ll walk through how to manually edit the hosts file in macOS Big Sur, MacOS Mojave, MacOS Catalina, MacOS High Sierra, MacOS Sierra, OS X El Capitan, Yosemite, OS X Lion, OS X Mountain Lion, and OS X Mavericks, this will be done with the command line using the simple text editor called nano.
0 kommentar(er)
