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some README proofreading

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README.md
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@ -2,7 +2,7 @@
This is designed to do the minimal amount of work required to bootstrap an EC2 This is designed to do the minimal amount of work required to bootstrap an EC2
instance based on the local settings assigned at boot time as well as the instance based on the local settings assigned at boot time as well as the
user's configured settings. This is in-concept similar to user's configured settings. This is, in-concept, similar to
[cloud-init](https://cloudinit.readthedocs.io/en/latest/) but trades features [cloud-init](https://cloudinit.readthedocs.io/en/latest/) but trades features
and cloud platform support for small size and limited external dependencies. and cloud platform support for small size and limited external dependencies.
@ -10,7 +10,7 @@ and cloud platform support for small size and limited external dependencies.
The most important feature of this bootstrapper is the very limited set of The most important feature of this bootstrapper is the very limited set of
dependencies. In-fact, this works with just busybox -- provided the wget applet dependencies. In-fact, this works with just busybox -- provided the wget applet
is built-in. The only required dependencies are: is built-in -- and resize2fs. The only required dependencies are:
- bash-like shell (e.g. bash, dash, ash) - bash-like shell (e.g. bash, dash, ash)
- wget - wget
@ -19,7 +19,7 @@ is built-in. The only required dependencies are:
## Supported Features and Environments ## Supported Features and Environments
cloud-init has support for many different cloud providers. This project only cloud-init has support for many different cloud providers. This project only
supports EC2, specifically the [EC2 metadata supports EC2; [EC2 metadata
service](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-instance-metadata.html) service](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-instance-metadata.html)
is a hard requirement of using this bootstrapper. All of the data for the is a hard requirement of using this bootstrapper. All of the data for the
supported features below is sourced from the EC2 instance metadata service supported features below is sourced from the EC2 instance metadata service
@ -51,13 +51,13 @@ The EC2 user *must* already exist in the AMI -- `tiny-ec2-bootstrap` will
User data is provided at instance boot time and can be any arbitrary string of User data is provided at instance boot time and can be any arbitrary string of
data. The bootstrapper will consider any user data that begins with the ASCII data. The bootstrapper will consider any user data that begins with the ASCII
characters '#!' to be a script. It will write the entire contents of the user characters `#!` to be a script. It will write the entire contents of the user
data to `/var/lib/cloud/user-data.sh`, make the file executable, and execute data to `/var/lib/cloud/user-data.sh`, make the file executable, and execute
the file piping any output to `/var/log/cloud-bootstrap.log`. the file piping any output to `/var/log/cloud-bootstrap.log`.
The user data script can do anything it pleases with the instance. It will be The user data script can do anything it pleases with the instance. It will be
run as root and networking will be up. No other grantees about system state are run as root and networking will be up. No other guarantees about system state
made at the point the script runs. are made at the point the script runs.
## Assumptions ## Assumptions