3

AWS has a tool to convert EBS volume device names in /etc/fstab to their UUID values: c5_m5_checks_script.sh The script also checks that the NVMe module is loaded in your OS image, but your newer instance type would not have launched if that was not present.


2

I expect that the confusion is coming because you are using both UFW and IPTABLES. UFW is a front-end for iptables, but if you add rules outside it I expect that it can't recognises those rules. Thus you are not seeing the iptables rules injected to handle your OpenVPN connection. I expect if you list the iptables rules you will see them. Try /sbin/...


1

If you want to accomplish it with a script every time the VM instance starts, go with start up scripts. Check their documentation at https://cloud.google.com/compute/docs/startupscript


1

There are other scenarios where this is a useful trick and the method I have used in the past assumes a fairly standard internal network behind NAT and will work with any computer with any OS. I will assume that your network with internet access is on 192.168.1/0/24 and your private (offline) network is on 10.0.0.0/24. Get hold of a normal internet router. ...


1

For the PHP-FPM status page to work properly under nginx, the following parameters must all be set: fastcgi_param REQUEST_METHOD $request_method; fastcgi_param QUERY_STRING $query_string; fastcgi_param SCRIPT_NAME /status; # see notes below fastcgi_param SCRIPT_FILENAME ""; # see notes below REQUEST_METHOD and QUERY_STRING are set ...


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