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BIOS/UEFI Leftovers

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Linux
Security
  • BIOS Update Dell Latitude E6440 on Linux

    My BIOS was 4 years out of date. I thought it was time to update it. I went to the Dell Support page and noticed that they only had *.exe files available. I sighed and was initially frustrated because my initial supposition was that I was going to have to have a working copy of Windows to do the update. My last Dell Latitude, a D630, the BIOS updates required a lot of fiddling on my part. At the time, I would burn a special FreeDOS CD with the BIOS update EXE on it. I figured I would have to do the same with this computer. The good news is, that is not the case and it could be I am the last person to know this bit of information.

    [...]

    Due to my laziness and inhibition to use Windows caused me to avoid pursuing updating my BIOS. Dell, on newer systems (~2015 and later), have built in a service to perform these updates outside of the operating system and has removed or eliminated your excuses for keeping your system up to date and more secure.

    I am glad I took the time today to figure this out and do the proper thing in keeping my system updated.

  • Boothole GRUB2 bug breaks Secure Boot on Linux and Windows
  • Linux GRUB2 bootloader flaw breaks Secure Boot on most computers and servers

    Operating system maintainers, computer manufacturers, security and virtualization software vendors have worked together over the past few months to coordinate a unified response to a vulnerability that allows attackers to bypass boot process integrity verification, one of the key security features of modern computers. The flaw is located in the GRUB2 Linux bootloader, but because of how Secure Boot is implemented, it can be used to compromise the booting process of Windows and other systems as well.

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dupeGuru – find duplicate files

Even though the cost of storage per GB continues to fall, it’s common for users to need to find and remove duplicates files. The process of finding and removing duplicates is time-consuming. Fortunately, there are a number of tools that are designed to remove the laborious nature of finding duplicates. dupeGuru is a cross-platform GUI tool to find duplicate files in a system. It has three modes, Standard, Music and Picture, with each mode having its own scan types and unique features. dupeGuru is written in Python. Read more