jarland.me

Enable IPTables Modules on OpenVZ

Posted by in Tutorials

This applies to OpenVZ on RHEL based Linux systems. This would also be known as the guide on how to make CSF work properly on an OpenVZ container. There are guides all over the internet about how to do this. As of a while back, these are almost all incorrect and will result in failure, as well as significant confusion. You see, with the release of vzctl 4.7 the iptables value in container configuration (–iptables flag to vzctl) became useless. To make matters worse, VZ still accepts the flag and…read more

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Tutorial: CentOS 6.4 Apache+MySQL+PHP+mod_pagespeed+Varnish

Posted by in Tutorials

Title a bit long there? Yeah buddy. I’m not going to tell you how to set up a web server that sits idle with 3MB of RAM usage. No sir. I’m going to tell you how to set up a web server that laughs in the face of high traffic and serves it with dignity. I hover at around 380-400MB of memory in use at all times on this server. The trade off? A few thousand page views has less of an impact on how it scales beyond that much…read more

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Install LXC + Panel on Ubuntu 13.04 w/NAT

Posted by in Tutorials

Sometimes OpenVZ is more than I want on a dedicated server. Sometimes I want a new kernel. LXC is container based “virtualization” that provides a native performance alongside the host operating system, much like OpenVZ does. Additionally, sometimes I want to separate the environment which houses my individual services but I don’t necessarily need a bunch of IPs. I might have ZNC in one, a web server in another, nothing that particularly conflicts, I just prefer the service isolation. This is how I achieve the result that I desire.

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