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Showing posts from April, 2020

AWS Systems Manager. No more bastion hosts, nor credentials to run scripts or commands against multiple servers at once ?

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Hey guys !!! Hope you are doing pretty good? Today's post is supposed to be a quick one. I am going to start with a real case scenario. I was working for an Enterprise Managed Services provider and because EMS supports multiple customers, you end up with a bunch of environments, credentials, diagrams that make your life a lot harder whenever you need to jump on a server to troubleshoot something. This tough task though, can be easier if you have the ability to leverage AWS Systems Manager in your environment. What systems manager allows you to do is , basically, access a shell of a machine without having to rdp or ssh to it, have an inventory of your fleet, and , one of the coolest features, running commands/scripts against multiple servers at once, again, without even knowing an username or password. My assignment was to identify which servers were still configured to use a DNS server that we were going to decommission. The challenge was, not all servers were part of a

Build your AWS VPC, from scratch, in only 2 minutes

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Hi there !! I hope you guys are doing good. It's been a long time since my last post and so much went on that I could spend hours here. I ain't gonna do that, I will just go straight to the point which is: The cloud ! Yeah folks ! All I can tell you is that, if you have not gotten started yet, you should ! before you realize it's too late. There is no way back, you gotta know cloud. Being AWS, Azure and GCP the big players at the moment, today we will talk about the one that leads the race: AWS. I have a background in computer networking and windows server. I am not a dev guy but things started to change and now, I think you should learn some programming as this can make you a more valuable professional. Automation is incredibly desired nowadays and you should know both, infra and dev, in order to really be successful in the cloud. When we decide to learn something new we generally start to get our hands dirty by setting up a lab. AWS gives you a chance to build