Blog Archives

Self-signed SSL Certificate for EC2 Load Balancer

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Good tutorial for getting SSL going on an Amazon Web Services Elastic Load Balancer. Generating a self-signed certificate, saves time and money from having to purchase a certificate with your CSR from a certificate authority. Ideally though, in a production

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Posted in Amazon Web Services, Servers

High Availability Hosted DNS

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So…What did we learn today? Today, one of the largest DNS DDoS attacks in recent history occurred.  Network Solutions, one of the worlds largest DNS and domain name providers was down and up and down and up for nearly 7

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Posted in DNS

Coping with a Slashdotting and DDoS Attacks

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There are numerous methods and opinions on how to cope with each of these scenarios and this post will by no means even come close to scratching the surface on either of them.  I am however going to outline a

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Posted in Servers

MySQL Crashing Under Heavy Load

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Continuing to work on how I performance tune web servers.  One thing I found is that under a heavy load of 50 or more simultaneos requests, an ubuntu process called OOM-Killer would kill some of my processes.  Not that big

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Posted in ubuntu