How To

How to set up ubuntu secure ssh login (AWS & Digital Ocean)

Ubuntu Initial Setup: setup ubuntu secure ssh login on digitalocean or Amazon Web Services EC2 instance Download PDF:  Download Secure Login Cheat Sheet PDF This post is a “cut to the chase”, “gitter dun” list of things to do for initial setup of an ubuntu server. To gain a deeper understanding of the process of securing… Read more How to set up ubuntu secure ssh login (AWS & Digital Ocean)

How to use multiple ssh keys for different accounts

I wanted to have multiple rsa keys for various different hosts to help prevent hidden connection issues. Issues may arises when an rsa key is changed on one host that may have been used on another host effectively severing the connection without your knowledge. By having different rsa keys when dealing with a host that… Read more How to use multiple ssh keys for different accounts

How To Create a Password Hash with Python passlib

Create a password hash with python passlib A quick and easy way to create a password hash is with python passlib. Install passlib with pip like this:

Then, run the command below. Of course, you will replace the text “myplaintextpassword” with YOUR OWN plain text password, right?

You’ll get back something that looks… Read more How To Create a Password Hash with Python passlib

How to (where to) Create an Ansible Configure File

Ansible Configuration File As a default, Ansible expects to find files in a certain place. Some of these files may not suit your needs. To configure ansible to better suit your needs, use the ansible configuration file. There are at least 2 ways to do this. You can create a global configuration file by creating… Read more How to (where to) Create an Ansible Configure File

Ansible: How To Install Ansible (Mac OS X, CentOS/Fedora, Ubuntu)

Install Ansible on Mac OS X:

Install Ansible on CentOS/Fedora:

The EPEL-Release repository may need to be added on certain versions of CentOS, RHEL, and Scientific Linux. Install Ansible on Ubuntu:

Ansible: How to ping a server from the command line without an ansible playbook

Be sure ansible is installed on your local system. In this example I will use an AWS ec2 instance (REHL5) The ansible command line command is:

(note the comma)

AWS How To Launch VPC Instance manually

Note: An account user with proper authentication is needed from the VPC account admin. Go to the AWS EC2 Dashboard Note: Be sure you are in the correct region first (Select from drop down in upper right of page). From the left column header labeled: “INSTANCES” (all caps), click on the “Instances” (lowercase) sub-category. Click the… Read more AWS How To Launch VPC Instance manually

CORS; How To Set HTTP Response Header on IIS Windows Server 2012 R2 to Access-Control-Allow-Origin

When attempting to make an AJAX call are you getting the following error? XMLHttpRequest cannot load (then some path to the remote site). No ‘Access-Control-Allow-Origin’ header is present on the requested resource. Origin ‘http://yourAjaxCallingSite.com’ is therefore not allowed access. This means the Server hosting the resource is not set up to be CORS compliant. If… Read more CORS; How To Set HTTP Response Header on IIS Windows Server 2012 R2 to Access-Control-Allow-Origin