01_container_exec

demo #01 - container exec (setns)

steps to reproduce

1. run some container eg. nginx on background

LAST_CONTAINER_ID=`docker run -d nginx`

2. find his pid

LAST_CONTAINER_PID=`docker inspect $LAST_CONTAINER_ID | jq ".[0].State.Pid"`

3. run exec.pl

carton exec perl exec.pl $LAST_CONTAINER_PID

how to setup perl syscall.ph (perl system headers)

cd /usr/include
sudo h2ph -r -l .

what is carton?

carton is perl module dependency manager (aka bundler for ruby)