Hi, I am trying to start the observer in iex without success. This is my scenario: Erlang/OTP 20 [erts-9.3] [source] [64-bit] [smp:4:4] [ds:4:4:10] [async-threads:10] [hipe] [kernel-poll:false] [info] Running HcmWeb.Endpoint with Cowboy using http://0.0.0.0:4000 Interactive Elixir (1.6.4) - press…

How did you install Erlang? Some distributions breaks Erlang in multiple packages, so you need to make sure you have the observer one installed in your system.

I am using OpenSuSe Tumbleweed and I installed Erlang adding the Erlang Repo to the package manager then installing it directly. zypper repos …

[image] josevalim: Some distributions breaks Erlang in multiple packages, so you need to make sure you have the observer one installed in your system. I think even the ‘official’ ErlangSolutions are deprecating their all-in-one package as I recall, so even officially it is broken up now.

I’ve had the same issue in Fedora 29. Just did: # dnf install erlang-observer Everything is ok now.

Elixir Programming Language Forum

Unable to start observer locally

Questions & Help Questions

idi527 May 11, 2018, 5:55am 2

You need to add :observer to the list of applications to start, probably.