26 September

25 September

Trenchboot Secure Launch Support For Linux Sees New Patches

For a while now Oracle engineers and others have been working on Trenchboot as a means of secure launch/boot support when paired with the likes of Intel TXT and AMD SKINIT for trusted execution and configuring each piece of the software boot chain for trusted/secure handling. The latest kernel patches have been sent out for review for secure launching of the kernel.

25 September 06:56 AM EDT - Linux Security - Trenchboot - 6 Comments

24 September

AMD Ryzen 9 3900XT CPUFreq Governor Comparison With Linux 5.9

One of the most frequent questions received at Phoronix in recent times is whether the "schedutil" governor is ready for widespread use and if it can compare in performance to, well, the "performance" governor on AMD Linux systems. Here are some benchmarks of an AMD Ryzen 9 3900XT using the latest Linux 5.9 development kernel in looking at the performance differences between the CPUFreq governor options of Ondemand, Powersave, Performance, and Schedutil.

24 September 02:36 PM EDT - Software - 15 Comments
Intel Engineers Begin Landing Open-Source Support For TDX, Intel Key Locker

Last month Intel published a whitepaper on TDX as Trust Domain Extensions as a means of better securing virtual machines. TDX allows for isolating VMs from the hypervisor and other non-VMM system software. Intel TDX builds off other recent work around MKTME memory encryption and other features. We are now beginning to see that software side support roll-out along with the also-new Key Locker instructions.

24 September 06:47 AM EDT - Intel - Trust Domain Extensions - 4 Comments
Fedora 34 Aims To Further Enhance Security But Will Lose Runtime Disabling Of SELinux

Currently on Fedora the Security Enhanced Linux (SELinux) functionality that's there by default can be disabled at run-time via the /etc/selinux/config but moving forward with Fedora 34 they are looking at removing that support and focusing just on disabling via selinux=0 at the kernel boot time in order to provide greater security.

24 September 12:07 AM EDT - Fedora - Fedora 34 + SELinux Hardening - 29 Comments

23 September

Lenovo Announces 27 Systems To Ship With Ubuntu Pre-Installed

Following Lenovo rolling out Fedora Linux options for their laptops and their other Linux-related announcements this year, Lenovo and Canonical are announcing today nearly thirty different laptops and desktops will begin shipping with the option for Ubuntu 20.04 LTS pre-installed.

23 September 09:00 AM EDT - Ubuntu - Lenovo + Canonical - 50 Comments

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