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 Andy Smith  Friday, 17th of December 2010 at 08:05:19 PM Using NFS between two machines on the same network is usually free of hassle, so the default behaviour – on Linux, at least – is fine and can be left as it is. However, in a commercial setting (such as the ones I manage in my day job) it’s often the case that the machines might not be on the same network – or even in the same location, for that matter. It’s likely that there’s a number of network devices in between the machines, and the way NFS uses portmap can sometimes make things frustrating.
Luckily, it’s really easy to fix.
→ Continue reading ‘RedHat, NFS and static ports’…
Andy Smith Wednesday, 24th of February 2010 at 11:57:17 PM The standard network tools ifconfig, netstat and route will be familiar to anyone with more than a passing interest in UNIX or any of its derivations. Linux is no exception, and if you hop on to your nearest Linux machine, you’ll find these installed. However, for the past few years ifconfig and its ilk (often collectively referred to as net-tools) have been deprecated in favour of the iproute2 suite.
→ Continue reading ‘iproute2: Life after ifconfig’…
Andy Smith Sunday, 7th of February 2010 at 11:35:04 PM IPv6 is nothing new – it was finally standardised back in 1998 in RFC 2460, and virtually all operating systems have supported it now for at least 5 years, so most people are in a position to give it a try.
If you’re one of the lucky ones, your ISP might provide native IPv6 connectivity (like AAISP), but for most of us, the main way to get connected to the rest of the IPv6 Internet is to use something we’ve already got – IPv4. And we’re going to tunnel over it.
→ Continue reading ‘IPv6 for a Linux generation’…
Andy Smith Thursday, 28th of January 2010 at 01:09:35 AM Historically, if you wanted to use Active Directory to authenticate users on a UNIX box, you were pretty much limited to using LDAP. This works fine for some people, but it’s not particularly elegant – especially if you’re having to create users home directories all the time, which negates some of the point of centralising authentication to begin with.
I’m from a UNIX (mostly Linux) background, so I’m more at home using UNIX-alike platforms. That said, there’s a few things that Microsoft do that are particularly useful, and in my opinion AD is one of them (quiet at the back, there). Handily, there’s a project that can marry the two, and it goes by the name of Likewise.
→ Continue reading ‘Authenticating Active Directory users on Linux with Likewise Open’…
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