Let’s Encrypt Wildcard Certificate Configuration with AWS Route 53

Hits: 48I am happy to back working as a Devops using AWS. In my new job at https://www.dragontail.com/ I need to automatically produce wildcard certificates from certbot. The instructions at the link seem really good. Wish me luck! Unfortunately there was little clear documentation for configuring all this unless you were an expert magician trained …

How to Set Up Free SSL Certificates from Let’s Encrypt using Docker and Nginx

Hits: 79I am not sure why, but I have had some mental blocks with certificates and letsencrypt. The link below explains it really well how to do containerized nginx with letsencrypt free certificates. Beware! it requires running with sudo. The rest of the app I am “DevOping” runs fine as user ubuntu with docker-compose, if …

jcolemorrison.com: The Technical Side of the Capital One AWS Security Breach

Hits: 118Hey guys! Keep your cloud safe. So you won’t have regrets Okay, so the hacker is in the box – what happened next? Well, once you’re in an EC2 Instance…a lot can go wrong. You’re pretty much walking on the edge of a knife if you let someone get that far. But how did …

How to set up LACP bonding interface on CentOS 7 | Snel.com

Hits: 158I am installing multiple systems with Linux Bonding and LACP mode 4 which uses IEEE 802.3ad Link Aggregation Policy. In the mean time I am looking at 2 links, as we are using Red Hat 6.9 https://developer.rackspace.com/blog/lacp-bonding-and-linux-configuration/ as well as the following: LACP bonding network interface setup A bonding network interface could be used …

 Introspection of baremetal nodes fails with ‘No hypervisor matching’  when node name used instead of uuid

Hits: 277Introspection fails due to use of Host Name instead of UUID When I do introspection on baremetal servers that will be used as for Redhat TripleO Openstack 13 (This is the same as RDO Queens)  I start with just one. Before this I import the instackenv.json file with all of the baremetal server details …

Install Minikube and Docker with VirtualBox on Windows 10 Home – StudyTrails

Hits: 257I followed the instructions at he link below to configure minikube on Windows 10 Home edition. It seems to be working! I am just not thrilled to have installed chocolatey Step by Step information to Install Minikube on virtual box and Docker Toolbox for Windows 10 by disabling Hyper V and Installing VirtualBox Source: …

Managing port level security in OpenStack 

Hits: 278I am investigating why dpdk doesn’t work inside an instance.   The OpenStack platform, specifically Neutron (the networking component), uses the concepts of “ports” in order to connect the various cloud instances to different networks and the corresponding virtual networking devices like Neutron routers, firewalls etc. The default security on these ports is quite restrictive (and …