This means you created the site as admin (not as client) which protects the site from changes by that client (admin protection feature). Enable...
Yes. The issue with arm is that not all software is available for it.
The arm Repos lack some packages like rar, so the Installer will fail on such systems. We currently do not provide an installer or installation...
Maybe then it's not an x86_64 platform when there are packages missing. Please run the command: uname -a and post the result.
You can use pagespeed only when your nginx server is compiled with pagespeed support. According to the error message, your nginx does not has...
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