Vish savishy

Vagrant Tips and Tricks

Vagrant `shell` provisioner allows reading from Gists!

reference

Assuming

You are using Vagrant and Shell provisioner often (e.g when doing Windows provisioning you will end up using Powershell a lot)
You have started running into the problem of reusing your scripts

Vagrant and Hyper-V: Working with Virtual Network Interfaces

References

Jenkins + Docker

The exact list of plugins for enabling Docker commands within Jenkins jobs is somewhat unclear.

Looks like at least the Docker Build Step plugin is required to make this happen.

This does two things:

Helps us to run docker commands within Execute Shell steps
Adds the "Execute Docker Command" build step .

Ad Hoc `ansible` Commands

http://docs.ansible.com/ansible/latest/playbooks_variables.html#magic-variables-and-how-to-access-information-about-other-hosts

Test WinRM Connectivity to a Windows Host

One way to do this is to execute a simple Windows Powershell command using Ad-Hoc Ansible.

❗ note that shell does not work for Windows. The equivalent is win_shell.

Oracle DB Tips and Tricks

Connecting to a DB with `sqlplus`

You can connect both to a local or remote DB using the SQLPlus tool.

Syntax:

Run the SQLPlus command with following arguments.

What is it?

Enterprise Service Bus (ESB)
Conceptually similar to the "bus" concept in computer architecture. But applied to Service Oriented Architecture. (SOA)
Control routing of requests from a client to a service that can answer the request.
Event Handling

List of recommended packages for Cygwin

Necessary

openssh
ping
wget
curl
vim and/or emacs
tar
zip

Introduction

This is a list of useful commands in Calabash for Android. The Ruby API is assumed. :exclamation: many of the cheats here are Ruby and not Calabash. This is probably because my Ruby sucks :)

Docker Images

list all docker dangling images

Dangling images are "no name, no tag" images <none>:<none> created during image building. These images are bad because they consume disk space. Reference.

docker images -f "dangling=true"

	#!/bin/bash
	set -e

	###########
	# AWS CLI Must be installed e.g using sudo apt install awscli.

	# This script cleans up your security group to remove old IP addresses from the rules for SSH, and
	# adds your current IP address.
	# This scenario is especially for cases where your ISP only allows dynamic IP addresses, or you
	# access AWS from multiple locations.