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<\/a>On Linux systems, the hosts file is typically located at “\/etc\/hosts<\/strong><\/em>“. This path makes it easy for system administrators and users to find and edit it when necessary. Accessing it requires root privileges, ensuring only authorized users can make changes.<\/p>\n\n\n\n When you enter a URL into your browser, try connecting to an SSH remote server<\/a> using a hostname, etc., your system uses the Domain Name System (DNS) to translate the web address or hostname into an IP address that computers can understand.<\/p>\n\n\n\n However, if an entry exists in the hosts file for that address, the system uses the specified IP address from the hosts file instead of performing a DNS lookup. This process speeds up address resolution and allows for custom domain mappings.<\/p>\n\n\n\n In simpler terms, when you try to visit a website, your computer will check the hosts file first to see if there’s a corresponding IP address there before asking the wider internet.<\/p>\n\n\n\n Adding static entries to your host’s file on Linux can be super handy for a few reasons: all about controlling how your computer finds and connects to websites or networked devices:<\/p>\n\n\n\n To add entries to the hosts file, you need to edit it. This process requires administrative (sudo) privileges on Linux, as the hosts file is a system file protected from regular user changes.<\/p>\n\n\n\n Open the “\/etc\/hosts<\/em>” file using a terminal text editor<\/a> you’re comfortable with. Once the file is open, you’ll see existing entries. These typically include references to localhost.<\/p>\n\n\n To add a new entry, navigate to the end of the file and enter the IP address, followed by at least one space or tab, and then the hostname you wish to map to that IP. For example, to map the “example.com<\/em>” domain to the IP address “10.0.1.69<\/em>,” the final version should look like this:<\/p>\n\n\n\n After adding your entries, save the changes and exit the editor. Now, it’s time to test your changes. You can ping the hostname you added to ensure your new mapping works. For example:<\/p>\n\n\n If everything is set up correctly, the ping command should resolve the hostname to the IP address you specified in the “\/etc\/hosts<\/em>” file, proving that your system is now using the local hosts file entry for this hostname.<\/p>\n\n\n\n Adding entries to the hosts file in Linux is straightforward and invaluable for testing purposes. Following the steps outlined above, you can add static entries to the hosts file, allowing for precise control over hostname resolution on your system.<\/p>\n\n\n\nHow Does the Hosts File Work?<\/h3>\n\n\n\n
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Add Static Entries to the Hosts File on Linux<\/h2>\n\n\n\n
sudo nano \/etc\/hosts<\/code><\/span><\/pre>\n\n\n<\/a>ping<\/span> -c<\/span> 3 example<\/span>.com<\/span><\/code><\/span>Code language:<\/span> CSS<\/span> (<\/span>css<\/span>)<\/span><\/small><\/pre>\n\n\n<\/a>Conclusion<\/h2>\n\n\n\n