Author: Andrew Baker

10 Mar 2021 AWS Cloud 👁 28 views

SSH EC2-User Login Fix for WordPress Bitnami Instances

So after getting frustrated (and even recreating my ec2 instances) due to a “Permission denied (publickey)”, I finally released that the worpress builds by default as set up for SSH using the bitnami account (or at least my build was). This means each time I login using ec2-user I get: Being a limited human being, […]

Read more →
10 Mar 2021 Open Source 👁 19 views

Linux CD Command Guide: Navigation Tips for Windows Users

Ok, so I am a windows dude and only after docker and K8 came along did I start to get all they hype around Linux. To be fair, Linux is special and I have been blown away with the engineering effort behind this OS (and also glad to leave my book of Daniel Appleman win32 […]

Read more →
04 Mar 2021 AWS Cloud 👁 16 views

AWS Error Messages, API Standards & Region Defaults: Fix Needed

This is a short blog, and its actually just simple a plea to AWS. Please can you do three things? North Virginia appears to be the AWS master node. Having this region as a master region causes a large number of support issues (for example S3, KMS, Cloudfront, ACM all use this pet region and […]

Read more →
25 Feb 2021 Cyber 👁 15 views

SYN Flood Testing with hping3: A Practical Guide

Getting an application knocked out with a simple SYN flood is both embarrassing and avoidable. Its also very easy to create a SYN flood and so its something you should design against. Below is the hping3 command line that I use to test my services against SYN floods. I have used quite a few mods, […]

Read more →
29 Jan 2021 Corporate Culture 👁 11 views

The Triplication Paradigm: Why Removing Duplication Fails

Introduction In most large corporates technology will typically report into either finance or operations. This means that it will tend to be subject to cultural inheritance, which is not always a good thing. One example of where the cultural default should be challenged is when managing IP duplication. In finance or operations duplication rarely yields any benefits […]

Read more →
28 Jan 2021 AWS Cloud 👁 14 views

Public Cloud Migration: Why Lift-and-Shift Strategies Fail

The cloud is hot…. not just a little hot, but smokin hot!! Covid is messing with the economy, customers are battling financially, the macro economic outlook is problematic, vendor costs are high and climbing and security needs more investment every year. What on earth do we do??!! I know…. lets start a crusade – lets […]

Read more →
22 Jan 2021 Networking 👁 8 views

K8GB: Cloud Native GSLB for Kubernetes Explained

Today I am a happy bunny!!!! Yury Tsarev (a very clever dude) did a presentation to one of the Kubernetes co-founders Tim Hockin. The demo was one of absa banks opensource projects called K8GB (a cloud native GSLB for K8s): https://www.k8gb.io/ Why do I like K8GB? Because it uses a single CRD that integrates to […]

Read more →
22 Jan 2021 Technology 👁 53 views

Windows 10: Fix Flashing Desktop Icons in 3 Steps

Just popping this here as I have had this a few times. Have you ever had your desktop icons flash and if you check explorer.exe its using high CPU. If so try: Step 1. Delete the Icon Cache Save the following as a batch file on your desktop and run it as admin: Step 2. […]

Read more →
18 Jan 2021 Corporate Culture 👁 25 views

Corporate Tech Models: Engineer-Led vs Manager-Led

There are two fundamental ways to run technology inside your company (and various states in-between)

Read more →
20 Oct 2020 AWS Cloud 👁 17 views

IAM Policy to Enforce EBS Encryption on EC2 Instances

Here is a useful IAM conditional policy which will force EBS volumes to be encrypted when created by an EC2 instances.

Read more →
1202122