Task in the tutorial aren't saved

1

I followed every step of the tutorial and my page was created in the domain artismine.meteor.com, and yes it is, but when you insert a task is not saved, by reloading the page disappears, coming from another PC nothing shows me not understand why not saved.

He had previously created the tutorial, but I reinstalled my system (I switched of kubuntu to ubuntu mate) and now works for me, I have a statement within hours about meteor and I need it to work

2

I have done several times the tutorial, reading and doing step by step tasks appear momentarily, to refresh the page they disappear.
The current domain is tomismine.meteor.com

3

Show the code and which tutorials did you learnt?

4

Did you check that your allow rule is in place?