The Linux binary for Cloudflared is returning an error:
$ curl -s https://bin.equinox.io/c/VdrWdbjqyF/Cloudflared-stable-linux-amd64.tgz
Not Found: rpc error: code = NotFound desc = No binary found with the requested os, arch and format at version 2018.7.0
After communicating with support it seems like a fix is in progress. If this is an immediate concern for you, there are Archive copies (Version 2018.6.2 or older) from https://dl.equinox.io/Cloudflare/Cloudflared/stable/archive
Thank you ahrenn17! I was wondering how to pin the versio, and now I can also check if there’s a new version.
From the CLI messages when running "Cloudflared will not automatically update when running from the shell. To enable auto-updates, run Cloudflared as a service: https://developers.cloudflare.com/argo-tunnel/reference/service/ ".
In general, you’re fixed to the package version you installed by default. The latest version should always be visible from the archive link shared earlier, with the most stable & current release being at the top of the page.
Typically the officially Cloudflare Tunnel Installation page (Get started · Cloudflare Zero Trust docs) consists of links for Mac, Linux & Windows but this release accidentally excluded Windows & Linux (To be fixed shortly 
)