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Image of RHCE Red Hat Certified Engineer Linux Study Guide (Exam RH302) (Certification Press)
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Lenovo T430, T530 Now Support UEFI Secure Boot

In this post, I discuss the new Secure Boot options made available on the Lenovo T430, T430i, T530, and T530i laptops as a result of the 2.05 firmware update.

UEFI Memory V E820 Memory

In this post I discuss the differences between how UEFI hands off memory to the Linux Kernel and how old-fashioned BIOSes handled off memory via E820.

Introduction to Udisks

Udisks is a means of enumerating disk and storage devices on Linux platforms and performing various operations on them. This post describes the technology behind udisks, the history of udisks, how to monitor udisks events and some simple operations you can do using udisks.

Replace GNOME Shell Activities Text String with Icon

This post goes into more detail about how to replace the GNOME Shell Hot Spot Activities text string with an icon or remove the Activities text string and leave the space blank.

GNOME 3.0 and 3.1 Shell Extensions

This post discusses how to write extensions for the GNOME 3.0 and 3.1 Shell. A number of working examples are provided which demonstrate how to interact with various components of the GNOME 3.0 and 3.1 Shell.