I have a batch script to add several lines to my hosts file to block certain websites on my computer. I would like to use the batch script in such a way that when I run my example.bat, it first checks if the lines to add exist, and if they don't then add them. But the batch file should delete the lines in case of existing already in hosts file.

Jul 21, 2020 · Make note of the IP address that’s returned and use it in your Mac hosts file mapping. For example, The New York Times website returns an IP address of 170.149.172.130. If we map that to Facebook in our hosts file, any time someone using the Mac tries to go to Facebook, they’ll see The New York Times load instead. For information about how to modify your \etc\hosts file in Windows 8, see How to block websites in the WIndows 8 hosts file. Adding entries to the /etc/hosts file. Find the IP addresses for your Acquia Cloud environments on the Cloud > Domains page. Add an entry to your /etc/hosts file in the following format: [IP address] [URL] For example Oct 29, 2013 · Before the advent of a distributed domain name system; networked computers used local files to map hostnames to IP addresses. On Unix systems this file was named /etc/hosts or “the hosts file”. In those days, networks were small and managing a file with a handful of hosts was easy. However as the networks grew so did the methods of mapping hostnames and IP addresses. In modern days with After you update your Mac or iTunes to the latest version, check the hosts file to make sure your computer can contact the update server. Windows. If you’re using a Windows computer, follow the steps from the Microsoft support site. Resetting the hosts file affects software services that rely on hosts file redirects. Adding Entries to the HOSTS FILE (HOST TABLE) on IBM i. To find the right CL command to add an entry to the HOSTS FILE, first run the following: GO CMDTCP. From the list of TCP commands, select the "Add TCP/IP Host Table Entry" command (ADDTCPHTE) which is Option 4 on my system. You can also directly type in ADDTCPHTE and press F4/prompt instead. The hosts file is located in the system directory, so non-elevated apps will fail to save it. To edit the Hosts file in Windows 10, do the following. In the Start menu, go to Windows Accessories. Right-click the Notepad app and select More - Run as Administrator. In Notepad, click the File menu - Open, or press the Ctrl + O keys. Navigate to If you only have one host in your know_host file then removing the entire file is a solution. The file will be recreated the next time you ssh into that computer. Before you remove the file you should back up the contents: cp ~/.ssh/known_hosts ~/.ssh/known_hosts.old [abc123@computer ~]rm ~/.ssh/known_hosts Method 2 - Targeting the Key Individually

The file consists of IP addresses separated by at least one space and then a domain name with each entry on its line. To modify the hosts file, you need to add two entries to the file that consists of the IP address that you want the site to handle to and the address.

Apr 26, 2017 · Reading the hosts file with PowerShell. The hosts file is, simply put, a mapping of host names to corresponding IP addresses. You can go explore the how and the why of using it, but that’s outside the scope of this blog. It’s easy enough to browse to the hosts file location and open the file manually. Jul 25, 2017 · Check Domain Locally. Important: To use the domain names on any host on the network, you must configure the above settings in its /etc/hosts file.. What does this mean, in the above example, we only configured the hosts file of Host 1 and we can only use the domain names on it. Although the /etc/hosts file is a simple structured file, there are a few things that should be checked. So next time you are on a system, become an IT auditor and check the following parts: Your hosts file is not a DNS replacement. If you have added more than 10 systems to your /etc/hosts file you may consider moving that to a separate DNS zone. Hosts will not have a file extension. Compare your hosts file with the Microsoft defaults listed below. If yours is different, it has been modified. Remove any lines that contain Blizzard URLs or addresses. Save the file. Note: If your hosts file was modified, run a virus scan. Viruses and malware can modify the hosts file to try to redirect

Aug 23, 2010 · The default hosts file only has one entry (and a lot of comments) so if you suspect the hosts file is part of your issue, you can delete everything but the default entry and save the file. Always reboot your system and test browsing after making any changes to the hosts file.

Jul 03, 2017 · We also were not able to get to it in Google Chrome… (check notes at the end). Also for more info on editing your Hosts file, check out The Geek’s article on how to create a shortcut to quickly edit your Hosts file. Ubuntu. In Ubuntu 10.04 and most Linux distro’s you can edit the hosts file directly in the terminal. Nov 15, 2019 · If you still have trouble saving the modified HOSTS file, check the file's attributes to see if it's been marked read-only. Right-click the file and select Properties to see the attributes. Another option is to open your text editor program as an administrator so that the permissions are already applied to the editor. May 10, 2020 · Unblocking a blocked site is as simple as you may assume – just open your hosts file in Windows 10 with notepad, delete the entry of URL that you want to unblock and hit Ctrl+S. Locking Windows 10 hosts file. Sometimes viruses or adware programs may intend to affect your hosts file to redirect you to malicious websites. Download the file fixhosts.exe and save it to your desktop. Run the file fixhosts.exe (in Windows Vista, right-click the file and select Run as administrator) Accept all the warnings (including those from Vista User Access Control, if applicable.) Check that the hosts file has been updated by repeating the steps given above. Restoring settings Modifying your hosts file enables you to override the domain name system (DNS) for a domain on a specific machine. DNS management is useful when you want to test your site without the test link prior to going live with SSL, verify that an alias site works prior to DNS changes, and for other DNS-related reasons. Dec 15, 2019 · Hosts File Editor features a clean, easy to use interface. To begin using the program, populate the table with IP Addresses, Host Names, and a comment on the websites you want to manage. Jan 15, 2018 · What is the Windows “Hosts” file, and how do you get the hosts file to work properly? Windows Hosts file not working? Problem solved. When you type a domain name into a browser and press Go, one of the first things a Windows PC does is check the “hosts” file to see if there is anything relevant to that domain in it.