# -m ... load module shell
# -a ... arguments to module call
ansible vex -m shell -a 'uname -a'
+ansible servers -m apt -a 'name=foo state=present'
+ansible desktops -m file -a 'name=/make/sure/this/file/is/gone state=absent'
```
### check if all server are reachable
./apply-role.sh wuerfel base
```
-### deploy a single role to a group of hosts using additional options
+### deploy a single role to a group of hosts with check-mode to see what would be done
```
./apply-role.sh servers base -C -D
```