Notes on how to get sane traffic flows for a linux box that has 2 network cards connected to the same network. NOTE: this is a required setup if you are using multiple network cards feature on AWS VPC
Posted in amazon, aws, cloud, default, gateway, kernel, Linux, multiple, policy, routing, sysadmin | Comments Off | permalink
Notes on how to get sane traffic flows for a linux box that has 2 network cards connected to the same network. NOTE: this is a required setup if you are using multiple network cards feature on AWS VPC
Posted in amazon, aws, cloud, default, gateway, kernel, Linux, multiple, policy, routing, sysadmin | Comments Off | permalink
Notes on how to get sane traffic flows for a linux box that has 2 network cards connected to the same network. NOTE: this is a required setup if you are using multiple network cards feature on AWS VPC
Posted in amazon, aws, cloud, default, gateway, kernel, Linux, multiple, policy, routing, sysadmin | Comments Off | permalink
read this if you need to conduct pen and security testing on / from EC2 instances
Posted in amazon, aws, cloud, ec2, infosec, policy, Security, vulnerability | Comments Off | permalink
Posted in amazon, aws, cloud, ec2, infosec, policy, Security, vulnerability | Comments Off | permalink
Some description of EC2 Internals. EC2s are XEN VMs, mine is currently using Xen 3.0.3-rc5-8.1.14.f , which appears to be
F14 Xen package re-build on RHEl5.x (this is by looking at compiler version) . Some info in the article appears to a bit o…
Posted in amazon, architecture, aws, cloud, ebs, ec2, infrastructure, internals, Linux, xen | Comments Off | permalink
Postmortem for the April-2011 EC2/EBS outage. It looks like a human errors plus unfortunate cascade of events lead to a requests storm that brought down EBS storage. Also, it appears that Amazon mis-estimated spare storage capacity needed for recov…
Posted in amazon, aws, cloud, cloudcomputing, ebs, ec2, outage, postmortem, sysadmin | Comments Off | permalink
Slides from Adrian Cockcorft, Netflix director of cloud systems about current state [for 2011] of Netflix’s AWS-based architecture
Posted in amazon, architecture, aws, cloud, cloudcomputing, ec2, monitoring, netflix, simpledb | Comments Off | permalink
Notes from netflix tech blog about some key points of their EC2-based infrastructure design. Note that netflix is not affected by the current EBS problems in AWS US-EAST region. Their key point seems to be to equally split your infrastructure betw…
Posted in amazon, architecture, aws, cloud, cloudcomputing, ec2, netflix, scalability | Comments Off | permalink
The subj. looks really bad!
Posted in amazon, aws, cloud, cloudcomputing, ec2, infrastructure | Comments Off | permalink
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Konstantin Antselovich (c) 2004-2011
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