by Andrew Johnstone
In: Linux
17 Jul 2010It’s very rare that I setup FTP servers on our production environments and always forget parts of the configuration, so figured I would list it here. Active and Passive FTP There are two types of modes active and passive FTP, using normal or passive FTP, a client initiates a session by sending a request to […]
In: Linux
30 Jan 2010We hold much of our server configuration within the office, which is restricted down by iptables. As such when spawning new instances on EC2 we need to allow access to our internal network via iptables, to allow nodes to connect to the office and configure themselves. The following script can be run within a crontab […]
I previously described how to configure HA Proxy and ucarp to load balance traffic between servers and share common IP addresses in the event of failure, however this still leaves holes in the availability of the application. The scenario only accounts for availability within a single data center and does not address how traffic and […]
I have been a developer for roughly 10 years and have worked with an extensive range of technologies. Whilst working for relatively small companies, I have worked with all aspects of the development life cycle, which has given me a broad and in-depth experience.