Updating known hosts

For Mac users who are running OS X 10.11 or later releases, you must first disable SIP protection however, otherwise the Mac /etc/hosts file will be locked when attempting to access it from Text Edit.

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To block a website using the Hosts File, simply add the following entry: 127.0.0.1 Although I do not do it, many users like to manually add entries to it in order to block the opening of one or more particular websites.It’s good practice to make a duplicate of the hosts file so that if you break something you can easily fix it, though we’ve got the original default hosts file here in case you need to restore it.It’s also a good idea to set plain text mode as the default for Text Edit.The Mac hosts file is a system level file located at /etc/hosts which maps IP addresses to host names for Mac OS X networking.Many users edit and modify the hosts file so that they can point a domain to a different IP address, whether for the purpose of local development, blocking sites, or simply to access alternate servers from various apps and system level functions.To solve it, we have deleted the known_hosts file (or the line in particular) and regenerated it (storing the new host when asked) doing the first ssh connection with the following command: Thanks for sharing. Unfortunately this fix breaks gnomes sftp support in the file manager.

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