I have to say AWS Trusted Advisor is a great tool! AWS keeps improving it by adding more useful new checks. Here is one that I got this morning: I setup health checks for some new records, but forgot to decrease TTL to a low value (it is 300 seconds by default). Now trusted advisor reminds … Continue reading Great AWS Trusted Advisor
Fault Tolerant VPN Solution on AWS
I worked with a project team to help them to improve their current VPN infrastructure on AWS. They have 3 VPN EC2 instances, let's call them VPN01, VPN02 and VPN03. They are all OpenVPN Access Server, VPN01 and VPN02 both have 10 concurrent sessions license, and in availability a and b respectively. VPN03 only has … Continue reading Fault Tolerant VPN Solution on AWS
Understanding Akamai Cache Keys
A good article that explains the Akamai Cache Keys: https://community.akamai.com/community/web-performance/blog/2016/01/18/cache-keys-why-we-should-know-them
Akamai-Bot
I received good feedbacks since shared the SSSG-Ninja in Akamai community, so I decided to share another useful tool that I ever built before. Akamai-Bot is a Hubot based automation bot that allows users to perform some Akamai daily tasks simply by chatting. Here are some examples. If you are interested, here is the git … Continue reading Akamai-Bot
SSSG Ninja
SSSG Ninja is my new open source project - It is a all-in-one managemenet tool for SSSG (Site Shield Security Group), it not only makes recommendations but also can do the jobs for you. If you are interested to try, it can be found in my Github repo. Here are current supported features: Make recommendations based … Continue reading SSSG Ninja
Jackie Chen's IT Workshop 