Month: December 2012
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Y2K memories…
Found this little gem when going through some old gear a few weeks ago; Hard to believe it was only 13 years ago – feels like much more. Oh the memories… Happy New Year everyone.
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Intel SSD 330 120GB benchmarks
As promised, here are some benchmarks of Intel’s SSD: An average of 390MB/s for sequential reads? Nice. IOPS: HD Tune Pro’s File Transfer test: Hovering around 500MB/s there – impressive. Last benchmark for now: Overall this is a well performing drive and is the only Sandforce-controller-based drive that we currently use.
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How to restart NFS server on Ubuntu
Once you set up your NFS exports by adding lines to /etc/exports you need to restart your NFS server; do this with the following: sudo /etc/init.d/nfs-kernel-server restart You should see output along the lines of: * Stopping NFS kernel daemon [ OK ] * Unexporting directories for NFS kernel daemon… [ OK…
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ZFS on Ubuntu error: Failed to load ZFS module stack
If you see the above error in a fresh installation of ZFS on Ubuntu one cause may be that the package build-essentials wasn’t installed prior to installing the ubuntu-zfs package; run: sudo apt-get purge ubuntu-zfs then check for the remaining packages with the following: dpkg –list | grep zfs …and…
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Testing new power supply: Corsair VS450
We got a new unit in-house that we’re trialling – the new Corsair VS450 entry-level PSU. Featuring 450W of output, a single 12V rail, two PCI-E connectors and a 3-year warranty it provides an interesting option for builds with a single midrange graphics card. We’ll post back if we find anything interesting in our…
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Right-angled SATA cables
Having trouble with routing SATA cables in a tight space? Don’t forget that you can get SATA cables with connectors at a variety of angles, including 90 degrees to the side: This can make routing cables quite a bit easier – sometimes allowing you to avoid pressing the cable in at an…
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ESXi: Accessing datastores via web browser
This is one that a lot of people don’t seem to be aware of – did you know you could access your ESXi server’s datastores via a browser? It’s a convenient way of grabbing copies of ISOs or patches stored on your server for burning or use elsewhere. It’s set up automatically with ESXi…
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Ubuntu: Clear terminal screen
Sometimes you may wish to clear the terminal window, whether it be to hide what you’ve just done, clear some irrelevant/distracting output or any other reason. The best command to do this is simple: reset This completely clears the output shown in your terminal window but doesn’t log you out. If you…
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Network Troubleshooting: Wireless N connecting at 54Mb/s
This one came up today with a customer who was extending her Wireless N home wifi network with a wireless access point. The access point was reporting a Wireless N connection at a speed of 54Mb/s rather than 150 or 300Mb/s, and transfer speeds for anything connected to the access point were only 2-3MB/s…