How can I link an accidentally-created guest account with my network account?
1263
How can one link / merge / combine / associate two accounts / users? (Anonymous / unregistered / cookie, or Google / Facebook / registered)
2918
Can I have an unregistered guest come over at a hotel?
33887
I lost control of my account before registering, can it be recovered?
142312
How to have separated but vinculated multiple Ubuntu One accounts?
34450
Does using the guest account in Ubuntu help for Spectre and Meltdown protection?
100165
How to share internet access between Ubuntu and Windows guests OS in VirtualBox?
35064
Is Stack Overflow merging two different accounts by email without the user's consent?
72649
How do I transfer a file from a guest account on a MacBook Air?
19047
I think someone else has access to my wireless network. What next?
125941
Prevent users from starting multiple accounts?
25707
How can I merge a guest post with a new account?
32551
Change guest username
156982
How to restore/add previous user account
64196
Change user associated with Google Drive account (OSX) when old account does not exist
157604
How to reset main user account?
11785
Internet Accounts spontaneously forgets passwords and I can't reauthorize them
6782
How do I change / spoof my MAC address and easily switch between multiple ones?