Hello. The reason I am making this post is because I cannot asign my hostname to the “loopback ip” which is the reason i cannot use firefox due to tremendously long start up times. I need to know how to set this because it causes me to also not be able to use spotify(flatpak), due to not being able to log in.
The hostname is set by issuing following command as root:
hostnamectl set-hostname yourhostnamehere
Replace yourhostnamehere with your wanted name.
Above command will automatically add the hostname to /etc/hostname
A “thread” is the complete post, to include the original post, plus all the Replies.
What you want to request is to delete just your “post” (reply) … NOT the complete “thread” 
Probably won’t happen 
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Please delete the post I created prior to hui
in this thread.
-Thanks 
That is what “flag” button on the post is for.
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I am sorry to tell you this but that didn’t fix the issue.
The command sets the hostname. That is what it is intended for.
The loopback IP is only a virtual device to communicate with servers/services on the same machine (without external connection). The IP 127.0.0.1 is per default mapped to localhost (loopback device).
As this virtual device has no connection to any real device or cable/wireless connection, it is highly unlikely that it has any influence on the startup times of a browser or any logins to external services.
You may start with describing the real issue. Which logs showed you or made you believe that the loopback device slows the browser startup and prevents you from login at Spotify?
No doubt some other issue. A first step I would do is to open a windowed command line (like konsole), and execute Firefox from there, and check for any warning or error output.
The reason i stated that it had something to do with the loopback ip is because of Firefox very slow to load - #9 by PrakashC
FIXED THE ISSUE
I had to manually edit /etc/hosts and now it fires up within 1s.
Thank you all dearly for all the effort enjoy your holidays!
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