up vote 6 down vote favorite

I'm unable to install snap in Ubuntu 16.04, instead, I get the error shown below:

dheer@dheer-Inspiron-3558:~$ sudo snap install notes  
[sudo] password for dheer:  *********

error: cannot perform the following tasks:
- Fetch and check assertions for snap "ubuntu-core" (423) (Get https://assertions.ubuntu.com/v1/assertions/snap-revision/7sS9MbzjeZ87E4IVq3ByrAO8t1YqriNlaX4r7eT5AHYZjzRCa7twTmWU53e6falH: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers))
dheer@dheer-Inspiron-3558:~$

Please help?

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$ sudo snap install hello-world error: cannot install "hello-world": Get search.apps.ubuntu.com/api/v1/snaps/details/…: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers) – Dheer Man Oct 28 '16 at 12:34
    
Related: stackoverflow.com/questions/38557968/… – Elder Geek Nov 3 '16 at 16:41
    
it sounds like your internet is broken – Mark Yisri Nov 7 '16 at 11:37
up vote 3 down vote
+25

You are getting a status code of 423 which indicates the content you are trying to access is locked. This indicates that snap "ubuntu-core" may be in the process of being modified at the time of your attempt to access it. In my case attempts to access assertions.ubuntu.com/v1/assertions/snap-revision lead to a 403 error (Forbidden) as I don't have access.

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