Restoring an Amazon EBS root volume from a snapshot with ENA support

What:

Amazon Elastic Compute Cloud instance with ENA support

Problem:

You have a root volume snapshot and you want to restore m5 instance, so you create image (AMI) from it, but when trying to launch an instance m5 instance type is disabled and message says:
This instance type requires ENA support. To enable this instance type, return to the previous step and select an AMI that is enabled for ENA.

Confirmation message before shutdown/reboot [Linux]

What:

Linux server

Problem:

When you're connected to multiple servers from your computer, you might type shutdown command in the incorrect window, causing a lot of trouble.

Puppet DNS resolution

What:

Puppet

Problem:

You need to resolve dns name inside puppet to avoid hard coding ip address.

AWS cloudformation dry run mode, review changes before applying them

What:

AWS Cloudformation

Problem:

You're making some changes to your cloudformation template, but before you apply it you would like to know what will be changed, what will be restarted or terminated.

Mount disk on boot with systemd

What:

Linux with systemd

Problem:

Instead of using fstab to mount devices or nfs shares on boot use systemd, which works similarly like autofs, so it worn't stop system from booting in case incorrect entries in fstab.

How to free up space on iPhone

What:

iPhone, iPad

Problem:

iPhone is running our of space, you need a way of clearing space on your device.

Reliable and affordable web hosting services for Wordpress/Joomla/Drupal website

What:

Reliable web hosting

Challenge:

Find reliable web hosting, which is also affordable and suitable for small business or individual users.

AWS re-attach EBS volume on instance creation

What:

Amazon Web Services - EC2, ECS, EBS

Problem:

You have some data on EBS volume which you don't want to destroy when instance is terminated.

AWS ECS run task on a specific EC2 container instance

What:

Amazon Web Services - EC2, ECS

Problem:

You want to run task on a specific ECS (docker host) instance.

Extend an LVM volume on your linux server

What:

Linux: Red Hat, Centos

Problem:

Your Linux box is running out of space.