amazon/xen... any way at all to pass a message/signal/semaphoere/morse-code to the boot loader?

2017-04-11 Thread Julian Elischer
In Amazon ec2 they have no console access (though I heard rumors that it was available I have not seen any sign of it) so I'd like to put a "recovery partition" into an AMI. The trick is how to convince it to boot to that instead of the regular action. The ideal thing would be if there was

Re: amazon/xen... any way at all to pass a message/signal/semaphoere/morse-code to the boot loader?

2017-04-11 Thread Leif Pedersen
I keep an extra EBS volume handy that has a simple recovery image. If I get stuck into a trouble, I change the normal boot disk to sdb, and attach my recovery volume as sda1. Essentially, the extra volume is my "recovery partition". To make it cheaper, keep only a snapshot of it. Same idea on

Re: amazon/xen... any way at all to pass a message/signal/semaphoere/morse-code to the boot loader?

2017-04-11 Thread Colin Percival
[CCing freebsd-cloud, which is the right place for discussions of FreeBSD/EC2] On 04/11/17 21:03, Julian Elischer wrote: > In Amazon ec2 they have no console access (though I heard rumors that it was > available I have not seen any sign of it) so I'd like to put a "recovery > partition" into an