Month: October 2015

How To Create a High Availability Setup with Corosync, Pacemaker, and Floating IPs on Ubuntu 14.04

Posted on by dawid.slusarczyk

Introduction This tutorial will demonstrate how you can use Corosync and Pacemaker with a Floating IP to create a high availability (HA) server infrastructure on DigitalOcean. Corosync is an open source program that provides cluster membership and messaging capabilities, often referred to as the messaging layer, to client servers. Pacemaker is an open source cluster Read more about How To Create a High Availability Setup with Corosync, Pacemaker, and Floating IPs on Ubuntu 14.04[…]

How to Enable Floating IPs on an Older Droplet

Posted on by dawid.slusarczyk

Introduction Network traffic between a Floating IP and a Droplet flows through an anchor IP, which is an IP address that is aliased to a Droplet’s public network interface. As such, a Droplet must have an anchor IP before a Floating IP can be assigned to it. Droplets created after October 20, 2015 will automatically Read more about How to Enable Floating IPs on an Older Droplet[…]

How To Deploy Python Web Applications with the Bottle Micro Framework on Ubuntu 14.04

Posted on by dawid.slusarczyk

Introduction Python is an excellent language for web programming due to its flexibility and high-level functionality. Web frameworks can make programming web applications much simpler because they connect many of the components necessary for a robust web interface. While some web frameworks attempt to provide everything, others try to stay out of the way while Read more about How To Deploy Python Web Applications with the Bottle Micro Framework on Ubuntu 14.04[…]

How To Deploy Python Web Applications with the Bottle Micro Framework on CentOS 7

Posted on by dawid.slusarczyk

Introduction Python is an excellent language for web programming due to its flexibility and high-level functionality. Web frameworks can make programming web applications much simpler because they connect many of the components necessary for a robust web interface. While some web frameworks attempt to provide everything, others try to stay out of the way while Read more about How To Deploy Python Web Applications with the Bottle Micro Framework on CentOS 7[…]

How To Set Up Highly Available Web Servers with Keepalived and Floating IPs on Ubuntu 14.04

Posted on by dawid.slusarczyk

Introduction High availability is a function of system design that allows an application to automatically restart or reroute work to another capable system in the event of a failure. In terms of servers, there are a few different technologies needed to set up a highly available system. There must be a component that can redirect Read more about How To Set Up Highly Available Web Servers with Keepalived and Floating IPs on Ubuntu 14.04[…]

AWS Service Catalog is now available in the EU West (Ireland) region

Posted on by dawid.slusarczyk

AWS Service Catalog allows organizations to create and manage catalogs of IT services that are approved for use on AWS. These IT services can include everything from virtual machine images, servers, software, and databases to complete multi-tier application architectures. AWS Service Catalog allows you to centrally manage commonly deployed IT services, and helps you achieve Read more about AWS Service Catalog is now available in the EU West (Ireland) region[…]

AWS Key Management Service now supports deletion of keys

Posted on by dawid.slusarczyk

AWS Key Management Service (KMS) is a managed service that makes it easy for you to create and control the encryption keys used to encrypt your data. You can create, enable, disable, rotate and, starting today, delete your keys in KMS giving you even greater control over the lifecycle of your keys. Source: Amazon Web Read more about AWS Key Management Service now supports deletion of keys[…]

AWS SDK for Unity now supports AWS Lambda and Amazon Simple Email Service

Posted on by dawid.slusarczyk

The AWS SDK for Unity now supports AWS Lambda, so you can easily execute cloud functions from your games built on Unity, without the need to provision infrastructure. In addition, the AWS SDK for Unity now supports the Amazon Simple Email Service (SES), so you can send transactional emails directly from games built in Unity. Read more about AWS SDK for Unity now supports AWS Lambda and Amazon Simple Email Service[…]

AWS Config now integrated with Loggly to help analyze configuration changes

Posted on by dawid.slusarczyk

AWS Config and Loggly now offer an integrated solution that helps you analyze configuration changes recorded by AWS Config in real time. Using this solution, you can gain a high-level view of configuration changes or analyze potential issues without typing even a single search query. Furthermore, you can get a real-time, visual view of resources Read more about AWS Config now integrated with Loggly to help analyze configuration changes[…]