hello digital ocean, then q did the tutorial swapfile I can no longer log in with my normal User, the permission denied and it was after these commands, such as undo them or allow me loge with a normal User is not root

sudo chown root: root / swapfile sudo chmod 0600 / swapfile

plz help me

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Did you have any snapshots of your server before running these commands? <br>The reason I’m asking is that you have some errors in your commands, allow me to explain: <br> <br>sudo chown root: root / swapfile <br> ^ ^ <br> <br> <br>Notice there’s a space between “:” and “root” and also another space between “/” and “swapfile”. What this means is that you assigned EVERYTHING under “/” (basically all your filesystem) to the root user with an inexistent group (" root"). <br> <br> <br>sudo chmod 0600 / swapfile <br> ^ <br> <br>Same as before, the space between “/” and “swapfile” is interpreted as a separator, meaning that you are applying the file permissions 0600 (Read-Write only to the group) to EVERYTHING under “/” and a file called “swapfile” that should be in the current directory, and since no group called " root" (with a space) exists, nothing else has permissions to do anything in your server rendering it unusable.