Allow only one concurrent login per user in django app
45595
How can I detect multiple logins into a Django web application from different locations?
27051
Why only one @user per comment?
41491
Make sure only a single instance of a program is running
59676
How to assign currently logged in user as default value for a model field?
42053
How can I exclude disabled users from my user profile synchronization?
79329
Reorder users in django auth
84581
How to login in two accounts in the same browser?
148398
Disable SSH login via password on a per-user basis?
85575
How to prevent user registration
147857
Is there a built-in login template in Django?
140020
Logging in as the same user multiple times in Remote Desktop Windows Server 2008
1663
Allow same user to add multiple links as possible duplicates
115301
Can I Prevent Enumeration of Usernames?
128068
How can I enable multiple users login at a time in remote system?
20941
How to run multiple user X sessions on the same computer, at the same time?
61642
Prevent multiple instances of a given app in .NET?
108121
Sharing the same `ssh-agent` among multiple login sessions