log_20151122-28

20151122

docker on ubuntu

On ubuntu, what if docker is already running but you are told ‘Cannot connect to the Docker daemon. Is the docker daemon running on this host?’

sudo service docker restart

this will start a new docker daemon

to run the docker in foreground:

docker run -p 80:80 -privileged ubuntu_apache4 apache2ctl -D FOREGROUND

What is gateway

Gateway translates te protocols.

20151125

To generate random strings:

import string
import random

print(''.join(random.choice(string.ascii_uppercase) for i in range(12)))