Month: September 2012

  • How to find kernel version in Ubuntu 12.04 Precise Pangolin

    How to find kernel version in Ubuntu 12.04 Precise Pangolin

    Note: This also works in other versions of Ubuntu, such as 11.10, 11.04, 10.10, 10.04 and earlier.   Sometimes you may wish to find out which kernel you’re  currently running; fortunately, this is quite easy to do with the uname command. If you’re running Ubuntu Desktop, open up a Terminal; if you’re using Ubuntu Server…

  • Enabling SSH on ESXi 5.0

    Enabling SSH is handy if you want to remotely access the back-end of your system; it can also be really handy for moving files around and transferring data to and from Linux systems or VMs securely and quickly. There are security risks with doing this; if anyone logs in to the root account of your…

  • Unable to remove an inactive datastore in ESXi 5.0

    If you have found one of your datastores is greyed out/inactive one solution is to unmount it and add it again; sometimes ESXi won’t let you do this, giving the following error message: “Error: The resources ‘ip.of.data.store:/data/location’ is in use. Error stack: Call “HostDatastoreSystem.RemoveDatastore” for object “ha-datastoresystem” on ESXi “ip.of.your.esxi” failed.   The fix is…

  • How do you tell which zpool version you are running?

    How do you tell which zpool version you are running?

    This is a question that crops up fairly regularly, as different operating systems support different zpool versions. Fortunately, it’s quite easy to find out which versions you are running – simply run:   # zpool upgrade   If you want a more detailed readout, including the features of the pool version you have, try:  …

  • Customer Build: Luna II

        Here’s a few shots of one of our recent storage server builds: