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joplin notion extension/Web Development/Github/Multi account with ssh keys on a device.md

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+Multi account with ssh keys on a device
+https://www.techaddressed.com/tutorials/add-verify-ssh-keys-gitea/
+
+- Linux
+  The permissions have to be set like this
+  This means that the permissions on that file are also set incorrectly, and can be adjusted with this:
+
+	`sudo chmod 644 ~/.ssh/known_hosts` : it means read and write for user and read for group and others
+
+	Finally, you may need to adjust the directory permissions as well:
+
+	`sudo chmod 755 ~/.ssh` : it means read,write,execute for user, read,execute for group and others
+
+	This should get you back up and running.
+	 
+	
+
+	The keys need to be read-writable only by you:
+
+	`chmod 600 ~/.ssh/id_rsa`
+
+	Alternatively, the keys can be only readable by you (this also blocks your write access):
+
+	`chmod 400 ~/.ssh/id_rsa`
+
+	600 appears to be better in most cases, because you don't need to change file permissions later to edit it. (See the comments for more nuances)
+