Installing XCache on Amazon EC2

Installing XCache on Amazon EC2 featured image

We’ve been benchmarking Amazon EC2 server instances for some highly complicated PHP applications over the past week. During this time, we’ve discovered that XCache is perhaps the best opcode caching product for our purposes. If anyone would like a walkthrough for installing XCache on an Amazon EC2 instance, simply leave a comment below and we […]

Installing APC on Amazon EC2 Instance

Installing APC on Amazon EC2 Instance featured image

Some time ago, I wrote a short blog post explaining how to go about installing XCache on an Amazon EC2 instance to help with opcode caching. More recently, we’ve begun using APC for similar reasons, with excellent results, including on Amazon EC2 Micro instances, which can be used under their free usage tier to run […]

AWS AMI Let’s Encrypt Troubleshooting & Fixing “No module named interface”

AWS AMI Let’s Encrypt Troubleshooting & Fixing “No module named interface” featured image

This is a pretty technical post, about how to troubleshoot and fix a not-quite-renewing correctly lets encrypt certificate on AWS instances! If you’ve tried to renew a Lets Encrypt cert on AWS EC2, and have run into an issue, which ends with (something like): from zope.interface import Interface ImportError: No module named interface You have […]

How to Update Linux on Amazon EC2 with Yum

It’s really quite straightforward to update your Amazon EC2 instance to the latest versions: Login with your secure key via your terminal window; then Type “Sudo -i” and hit enter Type “yum update” and hit enter Hit “Y” to agree to the updates Wait for the software to carry out the update. That’s it! The […]

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