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Linux Virtualization

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Linux

This hands-on class provides experience with a variety of Linux virtualization approaches. We examine the straight forward approach of creating VM's with tools like the virt manager and virsh and then dive into qemu and KVM.

This class covers Linux virtualization from the introductory level up to a more advanced level. Not only covering “how to” but also the “how” of how things work behind the scenes. How virtualization is implemented on Linux. From the role of qemu to the role of the Intel and AMD specialized instructions.

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GNOME 3.27.3 Released

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    GNOME leader Matthias Clasen announced a few moments ago the availability of the third development snapshot towards the GNOME 3.28 desktop environment for GNU/Linux distributions. The development cycle of the upcoming GNOME 3.28 desktop environment continues today with the GNOME 3.27.3 milestone, which ports more components to the Meson build system and adds various improvements to various apps and tools, including the Evolution email and calendar client, NetworkManager network connection manager, and dconf-editor.

Review: OnePlus 5T

Have you ever arrived at a party, looked around, and realized you’re totally underdressed? It’s a panic-inducing moment. This nightmare scenario happened to OnePlus earlier this year. Its OnePlus 5 had the brains to match any competing Android device, but next to phones like the Galaxy S8, LG G6, iPhone X, it looked, well, dowdy. With thick, squared off bezels and an eyesore of a home button, it was so last season. For four years, OnePlus has pinned its entire identity to the idea that it sells the phone with the highest specs at the lowest price. Instead of paying $850+ for a fancy phone from the likes of Google or Samsung, you can buy a nearly identical, slightly off-brand OnePlus for $500 or less. It was the phone those in the know would recommend to save a few hundred bucks and still have a brag-worthy device. But you couldn’t brag about the OnePlus 5, especially after some bugs plagued the device. Read more

Android Leftovers

Canonical Releases Small Kernel Patch for Ubuntu 16.04 LTS to Fix a Regression

Last week, Canonical released a kernel update for the Ubuntu 16.04 LTS (Xenial Xerus) operating system patching a total of four security issues, including a use-after-free vulnerability in the Netlink subsystem (XFRM), an out-of-bounds read in the GTCO digitizer USB driver, a bug in the associative array implementation, and improper copy-on-write (COW) handling of transparent huge pages. However, it would appear that the respective kernel update also introduced a regression, which apparently prevented the use of the Ceph network file system on machines that upgraded to the new kernel versions. Canonical patched the issue and released a new Linux kernel update that addresses the problem on all Ubuntu 16.04 LTS systems, as well as Ubuntu 14.04.5 LTS machines. Read more