check capability (useful checking inside docker container)

check_caps.sh

#!/bin/sh
 
# how can a docker container check if it has a capability - Stack Overflow
# https://stackoverflow.com/questions/46702043/how-can-a-docker-container-check-if-it-has-a-capability

# need to install capsh (libcap2-bin for debian)
for i in $(capsh --print  | grep "Current:" | cut -d ' ' -f3 | sed 's/,/ /g'); do
  echo $i
done