O2 Mobile Broadband

Note: This article is under development. More info and screenshots will be added later. Keep checking back! I decided to buy a mobile broadband USB modem yesterday. For those of you who don’t know, I work as a wireless network & VPN specialist for the University of Bristol. At the time of writing, there areContinue reading “O2 Mobile Broadband”

Mac OS X security flaw?

I think I may have stumbled across a security problem in OS X on my Macbook. To recreate it, you need to satisfy the following conditions: Enable locking the screen after waking from sleep or screensaver Connect to an 802.1x-authenticated wireless network. Don’t set to remember password. Shut the lid to put it to sleepContinue reading “Mac OS X security flaw?”

Automated backups on Linux

In this article I will talk you through how to set up automatic backups from your Linux computer, to another Linux/Unix computer of some description. This works for OS X, too. I have tested these instructions on Fedora and Ubuntu. These backups will use rsync, a handy program for copying only the files that haveContinue reading “Automated backups on Linux”

Windows file sharing on a Linux server

In this guide, we will set up your home Linux server to share files in a Windows-friendly format. This is ideal for interacting with Windows PCs on your network, or for generic appliances such as media streaming boxes. First we install Samba: [root@zeus ~]# yum install samba Before we configure Samba, you need to thinkContinue reading “Windows file sharing on a Linux server”

Building a Linux home server, gateway, firewall & router

Overview This guide will attempt to show you how to build your own home server. I’ve included sections that I believe would be useful to home users, without over-complicating things. I’ve tried to make this guide accessible enough for people who are new to Linux, too. We will assume that the core function of thisContinue reading “Building a Linux home server, gateway, firewall & router”

Setting up squid as a transparent proxy

This guide is particularly aimed at novice owners of Linux servers at home, such as the one described in a guide on this blog. A transparent web proxy caches web content without having to make any changes on the clients on the network. For a proxy to run transparently, it must be running on aContinue reading “Setting up squid as a transparent proxy”

Ubuntu Netbook Remix on an EeePC 701

This morning I tried Ubuntu Netbook Remix (UNR) for the first time. My first impression was that it’s very polished and usable by non-geeks. I’m not an Ubuntu user myself; I use Fedora on all my machines – including my EeePC 901. But my other half, Hana, has an EeePC 701. She’s not a geek,Continue reading “Ubuntu Netbook Remix on an EeePC 701”