Notes from setting up Disconnected Docker registry

Hits: 1562 Clients concerned with security like financial institutions need to have their containers pulled from an internal Docker registry Setup disconnected Docker registry for Rhosp Pre-requisites: On registry run: $ yum update -y 3.2 Install the Offline registry and Tag the images yum install -y  docker-distribution docker yum-utils docker git wget git net-tools bind- …

I’ve had a mild curiosity about Docker’s silly container names

Hits: 1846Here is the source file that is used to create docker’s silly container names. Source: moby/names-generator.go at master · moby/moby The left side has an adjective like “affectionate”, “agitated”, “amazing”, “angry”, “awesome”, “beautiful”, “blissful”, “bold”, “boring”, “brave”, “busy”, The right side show ignorance of special people as it is based on names from notable …

Bash Script that installs curl gets stuck asking to restart services

Hits: 2068Automation is often a lot of work, even just installing curl Ubuntu is a social creature and does not like to be automated as much as you might expect. Very often your automation gets stuck because all of a sudden the folks at Canonical decided that they prefer human interaction. Often Ansible just hangs! …

How to password reset Windows Server 2016 AWS EC2 ?

Hits: 992Prepare your own windows 2016 AMI with a random password for the new copy If you would like to prepare an AMI for yourself with a new password or for the marketplace Run: C:\ProgramData\Amazon\EC2-Windows\Launch\Scripts\InitializeInstance.ps1 –Schedule This tells the rebooted or new instance to produce  new password that will be properly encrypted so you can …

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

Hits: 2850I 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: 2415Introspection 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 …

Managing port level security in OpenStack 

Hits: 643I 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 …

Running the AWS CLI and Python on Windows 10 in a Linux Bash shell – 4sysops

Hits: 2204Enable the Windows Subsystem for Linux ^ Before we start anything and install the Linux distribution package for WSL, make sure you enable the “Windows Subsystem for Linux” optional feature on your machine. Running the following command from your PowerShell console will enable this feature. Open PowerShell as an administrator and run: 1 Enable-WindowsOptionalFeature -Online …

Doctors Are Losing #Faith in IBM #Watson’s #AI. But does predict breakfast choice.

Hits: 656Have you been feeling like Ai apps respond like 5 year olds? Medicine is based on statistics not theory. after eight years of waiting with little in the way of results, several doctors told IEEE Spectrum that they’re getting fed up — bad news for IBM, but also a potential inflection point for the …