shotdown suddenly
 

Hello
My laptap (dell n5110) suddenly shutdown and when I power on show "thermal termal_zone0 criticaltemperatore reached 100 shuting down".|
Whate is problem?

You posted the problem; your system has overheated. Since you don't tell us about the version/distro of Linux, any updates/changes you made, there's not a lot else we can tell you.

Considering it is a laptop, perhaps clean out the airflow vents. And also please follow up on the points raised by TB0ne.

system info
 

My system details on this link
https://paste.fedoraproject.org/past...qS8HLeR7L0y9HA
Thank you.

yes, it is an old laptop, probably you only need to clean it. https://www.youtube.com/watch?v=_ZfCsWK_Cdo

Sorry, not going to chase down links to try to help you. Either post the specs here, or there isn't much we can do to help. Again, not sure what you're confused about...your system is telling you point blank that its overheating. As others have said, you can clean the vents/fans and see if that helps, or you can provide details. You still don't tell us what version/distro of Linux, if anything has been updated lately, if this is a new installation or old, etc., etc. We can't guess.

I've been serving less than a year

Serving what???? You still have not answered any of the questions asked.