Cat bouyancy (by )

Cats naturally tend towards the highest point they can get to. I presume this is to do with the ease of defending a high point and the ability to easily survey the most terrain, but either way, they seem to enjoy lounging in places they have to climb up to...

For ours, when they're indoors, the highest point they can reach is the top of a box, which is on top of a bookcase about two metres tall, in my office (which is upstairs to begin with). It's also a rather awkward place to extract them from when we put them out for the night, which I think they've realised too. But by climbing up on my desk, I can get them down anyway.

Anyway, as I came back to my desk after lunch, I realised that both of the black and white cats were curled up together up there, and made a cute picture (although I only had my mobile phone to hand, so sorry about the quality):

Cats up on high

VLAN update (by )

Ok, suspecting that the MTUs might be a problem, I put an fxp ethernet card into the single PCI slot in my home server (ousting the SCSI card), since that card can support the large Ethernet frames required to have a standard 1500 MTU plus 802.1Q VLAN tags.

But, alas, things were little better. From a desktop machine wired into the same switch as the server I still can't do DAAP without iTunes randomly closing the connection in mid-stream, and from Sarah's laptop on the wireless LAN, she still can't do DAAP or reliable SMB file sharing (the connection keeps getting dropped). SMB seems OK from the desktop machine, however.

So I wondered if NetBSD's 802.1Q implementation might be the problem; since the old vr interface is built into the server's motherboard, I now have two NICs, so just put the server on both internal VLANs independently (with no 802.1Q). And it's no better.

I can imagine that iTunes might just be fussy about its DAAP implementation and not like something daapd (an open-source implementation of the DAAP music sharing in iTunes) is doing; but why should SMB also be unreliable? I tried SMB from my own laptop over the wifi link, and found it workable but oddly slow. I'm going to experiment further with connecting my laptop directly to the switch (on either wifi or internal VLAN) and seeing how it responds, I think... something's fishy!

FLOOD!!!! (by )

No this time it isn't part of the curse instead it was a bit of bad luck for peeps upstream of us. The dam of their lake broke and a huge surge of water came down the stream that runs through the garden here! This was in the afternoon of the 13th of Jan 2007.

We weren't actually here to witness this but a neighbour took some photos - we were quiet starteled when we saw them!

Poor Gilbert! This is the stone bridge by the water cress pond, there is normally a little statue of a boy called Gilbert residing in here. He was missing after the flood but once the water level went down it turned out he'd just been knocked off his plinth!

Compost heap Our compost heap is now responsible for phosphate and nitrate contamination of the water courses! Yep thats it half submerged there.

tunnel under the road Beleive it or not there is a tunnel that thestream flows through just under the road there - it is completely below the water line meaning water had to have come over the road!

eeek!

As you can see compared to our little trickle this was something else! Poor Barbara had not long planted out a load of iris and rushes along the stream which all got washed away 🙁

VLAN woes (by )

At our house, we have three LANs; the external one, which is connected to the ADSL router and has a range of six public IPs; the internal one, which is joined to the external one via a NAT router (so using a single public IP) and contains my workstations and the fileserver; and the guest one, which is bridged to wireless Ethernet - and also joined to the external network via the NAT router.

Now, since I've not cabled the place yet, the physical layout of the network is dictated by the lengths of the cables I have. The ADSL router is at one end of the building, near the phone sockets, while the workstations are right at the very other end of the building. Therefore, the NAT router is in the airing cupboard, roughly in the middle of the building; my longest cables reach from the ADSL router to the NAT router, and from the NAT router to a switch in the office from with the workstations and server connect; and the wireless bridge sits in the airing cupboard along with the NAT router.

Even when I have structured cabling in place, I don't want to be having to cable three separate LANs around the house anyway; the natural solution is to use VLANs. That way, you can have switches joined by single-cable trunks, and those trunks carry all of the LANs in one; at each switch, you can either configure a port to connect to a specified VLAN, or configure the port to use IEEE 802.1Q tagging to connect a machine that understands it, in which case that machine can join whichever VLANs it is allowed using the single cable. This saves on the cabling a great deal.

Car Parking in a Quagemire (by )

Where we park the cars has been getting muddier and muddier to the point of Sarah slidding right over when getting in a vechile!

Barbara said she had some gravel from the graval path around the veg gardens that we should move there to stop the problem. So yesturday Al and Mike put their backs into shifting the 'gravel'.

Mike and Al fixing the car park

NOw being a geologist I was amazed to find that 'graval' in this instance means - mud with lots of pebbles in!

Gravel?

The result as I predicted is an even more muddy parking space than before though without the great ruts that had begun to appear! We are hoping that the rain is going to was the mud away leaving just the pebbles which might actually work but given our current bad luck field is unlickely to!

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