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#KExec

Showing: 10 courses
Linux Foundation

Generic System for Safe Rootfs and Kernel Upgrades Without Single-Point of Failure

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Explore a robust system for safe rootfs and kernel upgrades, minimizing failure risks through kexec/initramfs, crypto verification, and intelligent retry mechanisms. Learn about streamlined factory flashing and kernel management.
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17 Lesons
49 minutes
On-Demand
Free-Video
Linux Plumbers Conference

Persisting Guest Memory and Kernel/Device State Safely with pkernfs

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Exploring pkernfs: A new file system for hypervisor live updates with device assignment. Discusses memory management challenges, security improvements, and solutions for preserving VM state during updates.
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1 Lesons
43 minutes
On-Demand
Free-Video
Linux Foundation

Intel Trusted Domain Extensions (TDX) Host Kernel Support

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Explore Intel's TDX Host Kernel Support: module initialization, memory management, and interactions with CPU/memory hotplug and kexec(). Learn about protecting guest VMs from malicious hosts and physical attacks.
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12 Lesons
27 minutes
On-Demand
Free-Video
Linux Foundation

Abusing Linux as a Trusted Bootloader

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Explore Petitboot, a Linux-based bootloader for OpenPOWER firmware, and learn how it can be transformed into a trusted boot system using the linux-integrity subsystem and minimal kernel modifications.
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14 Lesons
21 minutes
On-Demand
Free-Video
Hack In The Box Security Conference

Bootstrapping Systems With Open Source Firmware

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Explore open-source firmware for enhanced physical security and data protection. Learn about Heads, a custom firmware and OS configuration that combines hardware hardening with secure boot processes.
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26 Lesons
39 minutes
On-Demand
Free-Video
linux.conf.au

Petitboot - Linux in the Bootloader

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Explore Petitboot, a Linux-based bootloader for OpenPOWER systems. Learn its components, usage, advantages, and future prospects in server applications and beyond.
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13 Lesons
30 minutes
On-Demand
Free-Video
Linux Plumbers Conference

Consolidating Representations of the Physical Memory

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Explore physical memory representations in Linux, covering memory maps, hotplug, and KExec. Learn about challenges and future developments in memory management.
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16 Lesons
40 minutes
On-Demand
Free-Video
Linux Plumbers Conference

Persisting IOMMU Domains Across Kexec - Live Update

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Explore techniques for maintaining IOMMU domain persistence during kexec live updates, enhancing system stability and performance in Linux environments.
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1 Lesons
19 minutes
On-Demand
Free-Video
KVM Forum

Live Updates for KVM Hosts: Minimizing Downtime in Cloud Computing

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Explore live updates for KVM hosts, enabling kernel and userland updates with minimal downtime. Learn about challenges and benefits for cloud providers using this powerful QEMU feature.
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1 Lesons
27 minutes
On-Demand
Free-Video
Linux Plumbers Conference

ACPI Fast Handover for Kexec Live-Update

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Explore ACPI fast handover techniques for kexec live-update, enhancing system efficiency and minimizing downtime during kernel updates.
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1 Lesons
43 minutes
On-Demand
Free-Video