Technology

A 41-post collection

Text-based histrograms of log files

Have you ever wanted to count the number of log entries grouped by a particular field? For example, reporting how many hits you've received per IP address in an Apache or Nginx log file, or perhaps sort by the response type? Installation Simply add the following histogram function to your »

Openstack Havana Home Lab on CentOS6 with external networking

The Liquidstate Lab Server is an aged Dell PowerEdge 840, which used to run a whitebox version of ESXi 4.  However, times change and I didn't fancy trying to re-do all the driver work to get ESXi 5 (or soon 6) installed.  So, instead, I decided to deploy OpenStack instead. »

Freenode on WeeChat on CentOS 6

IRC (Internet Relay Chat) seems to be making a bit of a come back as of late, so I thought it was about time I made a more permanent presence, rather than just popping in via web clients from time to time.  Here's some instructions on installing WeeChat on CentOS »

Vagrant Fedora 19 Box using Veewee and RVM

I'm currently doing some development work with Red Hat OpenShift Origin, which is primarily (currently) developed for Fedora 19.  As part of my efforts to fix up the Puppet module used for deployment, I wanted the ability to quickly spin up new clean Fedora 19 virtual machines. Enter Vagrant.  Vagrant »

Dell DRAC 4/P with Windows 8

The Liquidstate Lab contains a Dell PowerEdge 840 tower server with a DRAC 4/P lights-out card.  The DRAC card is great for remote administration, but unfortunately its firmware is now a little out of date.  When trying to open a console from a modern PC, you'll likely get an »

Pimping PuTTY

In my last role, SecureCRT was my console of choice, but my new employer doesn't offer it sadly.  So, instead, I've diligently being using PuTTY, a very popular freely available open source SSH client for Windows. PuTTY is perfectly functionable out of the box, but I thought I'd share a »

How to restart Windows 8 from an Remote Desktop Connection (RDP)

Here at Liquidstate, we have a home server running Windows 8.  It might seem like a simple thing, but today I drew a blank when trying to restart the server remotely from a Remote Desktop Connection (RDP).  If you try the normal routes, then the only option available to you »

My HP MicroServer (N40L)

I've been using an HP ProLiant MicroServer (N40L) as my  home server for about 3 months now.  It's been a reliable little work horse and has ticked along quite happily.  I thought it was maybe time for me to share some of my thoughts on the box. Like most people, »

How to quickly convert Mbps to GB per day

I've been working on a few data centre migration projects recently and a common question is "given x Mbps network throughput, how many gigs of data can we transfer per day?"  And, the same question in reverse, "what is the minimum bandwidth required to transmit a given »