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Karl Matthias 馃嚭馃嚘
@relistan@mstdn.social  路  activity timestamp 2 weeks ago

I've recently (last few months) had several instances where #AWS says they are passing all health checks. But the serial console is not available, and the node is not responding to anything at all. All endpoints are down in the load balancers.

I've had to take manual intervention to terminate these instances so that the auto-scaler can bring up a new one and K8s can move the workload. Anyone else seeing this? This is us-west-2 #awscloud

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Jan Schaumann
@jschauma@mstdn.social  路  activity timestamp last month

Advanced Programming the UNIX Environment

Week 1: UNIX Basics

In this lecture, we provide a whirlwind tour of the Unix programming environment. In the process, we write a simple shell, a simple version of the ls(1) command, and two versions of the cat(1) command while learning about the Unix Philosophy.

https://youtu.be/w3spRzZ8bSA

#apue #unix #programming

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Jan Schaumann
@jschauma@mstdn.social replied  路  activity timestamp last month

Advanced Programming the UNIX Environment

Our reference platform for this class is NetBSD. Some ways to get set up are:

Use an AWS image:
https://stevens.netmeister.org/615/netbsd-amis.html

Create your own AWS image:
https://www.netmeister.org/blog/creating-netbsd-ec2-amis.html
https://www.netmeister.org/blog/netbsd-amd64-ami.html

Install NetBSD on a Linode:
https://www.netmeister.org/blog/netbsd-on-linode.html

Use UTM / qemu:
https://stevens.netmeister.org/631/utm/

https://www.youtube.com/watch?v=hCqfmuG5Acc

#NetBSD #apue #AWS #Linode

Advanced Programming in the UNIX Environment

Installing NetBSD on Linode

Instructions on how to install NetBSD on a Linode instance. All steps are performed via the command-line and serial console.

Creating a NetBSD/amd64 AMI

Instructions for how to create a NetBSD/amd64 AMI from scratch.

Creating NetBSDEC2 AMIs

A short description of how to create a NetBSD AMI for Amazon AWS EC2 using the 'bsdec2-image-upload' tool.

CS615 -- System Administration -- NetBSD AWS EC2 AMIs

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