Musings on Information Technology - A view from the trenches

Joomla 3.0 was released a little while back so I thought I would write a new post showing how to install it, but it turns out that my previo...

Last week I was asked to provide alternatives to NLB as we seem to be having problems getting delivery of a couple of switches for our test...

In a previous post , I discussed how to generally manipulate logical volumes, the one thing I forgot to do was to do a real life test. Wha...

In one of my previous posts I discussed how to join a CentOS 6.2 server to a Windows 2008 AD domain. There was one thing that wasn't w...

I think I might be losing my mind. At work a colleague asked me for instructions on how to join a RHEL6 box to a windows domain and I just p...

Let's start by configuring an NTP server. You can install the ntp server with: yum install ntp -y Make sure that it starts on system ...

How long is a piece of string? All I can say about this objective, is that you had better familiarize yourself with the SSH daemon config ...

This is actually a fairly simple objective. The default configuration is to accept key-based authentication, note this line on the /etc/ssh/...

This is actually quite simple. You need to modify the following line in the postfix config file (/etc/postfix/main.cf): relayhost = 10.168...

Postfix is normally installed by default, but just in case it isn't, you can install it with: yum install postfix mailx -y mailx is u...

In sharp contrast to the similar objective for NFS , this objective is clearly defined and easily achievable. I have added a group called ...

The crux of this objective lies with the / etc/samba/smb.conf file, which is where all the samba (smb shares are configured). In order t...

At first, I thought that this was in essence the same objective as Create and configure set-GID directories for collaboration , where the f...

The crux of this objective lies with the / etc/exports file, which is where all the available nfs shares are configured. In the exam you ...

This objective has mostly been covered here . This time I tried from a different server to test the server and I had this strange behaviour:...

I must say that I was not very satisfied with this post about a caching-only name server. I had to faff about with the named.ca file and di...

Hot on the heels of my previous post comes this one. Assuming that you have followed the previous post simply, add the following lines to yo...

I must confess, yet again, that I'm not 100% sure what this objective refers to. My understanding is as follows: A caching server is, as...

I gave configuring DNSSEC a go last night but I had a bit of a problem. When I ran this command to create the key for my domain zone: dnss...

I must confess that I'm not sure what this objective refers to. I initially thought this referred to group authentication, however when ...