make a ruby on rails code that allow a login for only one user at x time

i need to make a ruby on rails code that allow a login for only one user to connect at the same time. and when a second user use the same mail and password the code show a message that says : another user is connecting. I need the project to be done in a small interface so i can test it when connecting with two computers or 2 phones.

Skills: Ruby, Ruby on Rails

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About the Employer:
( 0 reviews ) Tunisia

Project ID: #17780869

7 freelancers are bidding on average $166 for this job


Hello There, I have 6+ years of experience in ruby on rails and node js. I can do this tasks in very fast and easily. I have created my own gems also you can visit this on my github url that is "[login to view URL] More

$166 USD in 5 days
(43 Reviews)

Hello, I'm strong with ruby on rails and Vuejs, ReactJS. I have 5+ years experiences on ruby on rails, 2+ on VueJS and ReactJS Working with many clients from Japanese to UK, French. I worked with many type of pro More

$222 USD in 1 day
(4 Reviews)

Hi, client. I have just read your RoR project description and it is very interesting to me. I am a senior developer and have valuable experience in this field. [login to view URL] I can show you my c More

$100 USD in 3 days
(1 Review)

Our team has many web developers who are expert in ruby and ruby on rails. We have worked on many login system projects, we can complete this project in 1-2 days with quality work. We also provide support to our clie More

$166 USD in 3 days
(0 Reviews)

Hi. I'm very interested in your project. I'm a web developer with 7 years' experience. My expertise skills include HTML5, CSS3, jQuery, AngularJS, Bootstrap, PHP, Python, ASP.NET, Node.js. Ruby on Rails is my prefe More

$200 USD in 3 days
(0 Reviews)

I can do this no problem. How fancy would you like the front end?

$83 USD in 1 day
(0 Reviews)

Hi, ➲ 6+ years of full-time experience Ruby on Rails, Experienced with Python/Django and billed 52,000+ Upwork hours and 90+ successful projects ➲ Upwork Top 1 Certification for Ruby on Rails I have worked on s More

$222 USD in 3 days
(0 Reviews)