Posts

Some devices will favour IPv6 when configured, which is great, however there are sometimes that you want a device to only resolve either the v4 or v6 addresses.

It’s sometimes useful to be able to match ports on a system to those on a switch from both sides.

What is Openhab?

In the modern web application world, a large proportion of sites are using SSL Offloading, be this for the added security of the web servers not having the SSL private key on them (and hence if compromised the certificate is not necessarily compromised as well) or for the performance boost associated of using hardware accelerators.

Frequently in my line of work I’ll be asked about filtering of outbound traffic from application servers.

SSL Certificates are a source of huge amounts of confusion.

A while back I mentioned a follow up to an old blog post about the RouterBoard that i’d recently purchased and setup for home use.

If you’re using iSCSI on VMWare but have a requirement to rescan the luns after a machine has booted (For example a VM which has DirectPath to a Storage card enabled, which is hosting your iSCSI luns) you can simply do so with the following command

With some customers solutions I’ve seen a common requirement to do loadbalancing decision based on the actual application server serving the content, this obviosuly introduces a few issues if you’re using a single base URL for this

Using inotify and the ‘swift’ client tools it is possible to automatically upload files to cloudfiles as they are written to disk.