Rescue EC2 Instance

• https://aws.amazon.com/premiumsupport/knowledge-center/ec2-instance-boot-issues/

ssh to rescue

sudo su -

lsblk
rescuedev=/dev/xvdf1

rescuemnt=/mnt
mkdir -p $rescuemnt
mount $rescuedev $rescuemnt
for i in proc sys dev run; do mount --bind /$i $rescuemnt/$i ; done
chroot $rescuemnt

• refer: ../CLI/linux/linux-cmd

umount

exit

umount $rescuemnt/{proc,sys,dev,run,}

refer

automation runbook

• https://docs.aws.amazon.com/systems-manager/latest/userguide/automation-ec2rescue.html