How to use VAS4 inside Docker container?

The problem statement here is to recognize and use your AD authenticated host-users inside any Docker container.

Enjoy the graphics! Not really related to VAS but I find it funny!

docker-meme

Problem in action!

$ docker run -it --rm rhel7 id vasuser
id: vasuser: no such user

You see the problem?

Mounting `/etc/nsswitch.conf` & `/opt/quest` inside container was a no-brainer, so that’s our starting point.

Continue reading How to use VAS4 inside Docker container?

Minimal Mesosphere DC/OS 1.8 on CentOS 7.x

Minimal Mesosphere DC/OS v1.8, with TWEAK for running a tiny “marathon-lb” on the “slave” node 🙂

### Prerequisites:

  • Two VMs only! (for a resource constrained lab or laptop)
  • CentOS 7.2 Minimal + SELINUX Disabled + Firewall Disabled + IPv6 Disabled
  • Docker 1.11.X with “–storage-driver=overlay”
  • Catch-all DNS *.a172.sudhaker.com => 192.168.0.172

My configuration

# Role: bootstrap + master + dcos-cli
mesos-mini-01       2 CPU, 4GB RAM, 60GB HDD
# Role: the slave (hybrid)
mesos-mini-02       2 CPU, 4GB RAM, 60GB HDD

minimal-dcos-marathon

Continue reading Minimal Mesosphere DC/OS 1.8 on CentOS 7.x