Latest

  • How to recover a destroyed dataset on a ZFS pool
    If you’re reading this, you are probably dying from anxiety after realizing your mistake so let’s begin immediately with a procedure to recover the dataset you destroyed on your ZFS pool (using Ubuntu 20.04 and assuming it is still possible): Step 1: get the transaction group number from your pool log with the command: zpool history -il zvol5f zvol5f is…
  • MDT tips: enabling Bilocker and saving the recovery key in a file
    Today is practically mandatory that the mobile devices we deploy have data-at-rest encryption. Microsoft’s Bitlocker is particularly useful for this purpose, assuming your endpoint has a TPM and Windows Professional. In a previous post, I have already posted a set of scripts (available here) to reset the TPM and now I’ll present a simple script that complements these.   Although…
  • MDT tips: howto to make a USB flash drive to boot in UEFI and legacy BIOS
    Microsoft Deployment Toolkit (2013  or SCCM) has a very nice feature that allows you to deploy a task sequence to a flash drive or a CD and end up with a portable storage with all your deployment options. However, MDT does not generate a dual boot solution. The method described here, it’s not a general solution but has proven to…
  • BIOS configuration for Lenovo devices
    Like most manufacturers, Lenovo provides several tools to automate the BIOS configuration and upgrade. However, apart from WMI interface, these tools require direct access to the device and can be different tools for different devices. Using WMI, not only you’re able access the device remotely but you also get a standard interface that you can leverage to centralize and standardize…