Debugging the BPF Virtual Machine Lorenzo Fontana October 28, 2020 ● Debugging is useful to understand how things work ● Sometimes, eBPF programs can’t even load ● I couldn’t find good resources on this this, so, here I am ● I break lots of eBPF programs ● The BPF Virtual machine is not easy to understand Why ? The BPF subsystem lives in the kernel AND The kernel can be debugged using gdb The

install/netboot-arm64 arm64 netboot install 3 install/netboot-ppc64el ppc64el netboot install 3 install/ppc64el Virtual CDROM and Petitboot on ppc64el 1 Level Path Navlink 3 install/s390x-zvm s390x install via z/VM Security tips 3 wireguard-vpn-troubleshooting Troubleshooting 2 Virtualisation and containers 3 Virtual machines 4 virtualization-qemu QEMU 4 virtualization-multipass Multipass 4 virtualization-uvt UVtool Navlink 3 troubleshooting-tls-ssl Troubleshooting TLS/SSL 2 Virtualisation and containers 3 Virtual machines 4 vm-tools-in-the-ubuntu-space VM tools overview 4 using-qemu-for-microvms QEMU for microVMs

program. The Live Server installer uses a text-based console interface which runs on the default virtual console. The interface can be entirely driven by the enter, up and down arrow keys (with some occasional system with Landscape: Landscape is a paid service provided by Canonical to help manage your Ubuntu machines. See the Landscape8 site for details. 7 http://www.ubuntu.com/download/server/download 8 http://landscape Java server: Installs Apache Tomcat and needed dependencies. • Virtual Machine host: Includes packages needed to run KVM virtual machines. • Manually select packages: Executes aptitude allowing you to

openEuler WHITE PAPER openEuler 21.03 Technical White Paper Kernel Innovations Physical Machines To install openEuler on a physical machine, check that the physical machine meets the compatibility openEuler compatibility list at https://openeuler.org/en/compatibility/. Virtual Machines openEuler supports the following virtual machines (VMs): 1. centos 7.9 qemu 1.5.3-175.el7 libvirt 5.0.0-1.el7 2 Enhanced ARM64 kdump: Memory reservation for addresses greater than 4 GB enables kdump to support machines with larger memory. 20. Raspberry PI: The openEuler 21.03 kernel natively supports the Raspberry

Debian sys- tem. A wide range of hardware such as embedded devices, laptops, desktops and server machines is supported and a large set of free software for many purposes is offered. The installation is known as “flavors”. 架構 Debian 命名 子架構 風味 AMD64 & Intel 64 amd64 Intel x86-based i386 default x86 machines default Xen PV domains only xen ARM armel Marvell Kirkwood and Orion marvell ARM with hardware 4kc-malta Cavium Octeon octeon Loongson 3 loongson-3 Power Systems ppc64el IBM POWER8 or newer machines 64bit IBM S/390 s390x IPL from VM-reader and DASD generic This document covers installation for

. . . . . . . . 13 3.10 Virtual machines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 3.11 Local network with virtual machines . . . . . . . . . . . . . 软件包搭建私有 Debian 仓库。 3.10 Virtual machines For testing GUI application, it is good idea to have virtual machines. Install virt-manager and qemu-kvm. Use of chroot and virtual machines allow us not to update update the whole host PC to the latest unstable. 3.11 Local network with virtual machines In order to access virtual machines easily over the local network, setting up multicast DNS service discovery infrastructure

well-equipped to handle modern containerized workloads as well as more traditional workloads such as virtual machines and standard Linux processes. The development of modern datacenter applications has shifted hosts. The following multi node networking models are supported: Overlay: Encapsulation-based virtual network spanning all hosts. Currently VXLAN and Geneve are baked in but all encapsulation formats host" subsys=daemon As Kind is running nodes as containers in Docker, they’re sharing your host machines’ kernel. If Host-Reachable Services wasn’t disabled, the eBPF programs attached by Cilium may be

to ensure integrity and security during system running. Application and Service PaaS Physical Virtual Private Public NestOS Application and Service ... Server Cloud Edge Embedded Cloud Computing tools. Repositories https://gitee.com/openeuler/GearOS Virtualization Features • Impact on host machines A comparison test compared the impacts of virtualization on a bare metal server and a server with Embedded 032 openEuler OS Technical White Paper Innovation Projects ZVM Zephyr SIG Zephyr-based Virtual Machine (ZVM) is an embedded real-time VM. Developed on the Zephyr RTOS and hardware-assisted virtualization

well-equipped to handle modern containerized workloads as well as more traditional workloads such as virtual machines and standard Linux processes. The development of modern datacenter applications has shifted hosts. The following multi node networking models are supported: Overlay: Encapsulation-based virtual network spanning all hosts. Currently VXLAN and Geneve are baked in but all encapsulation formats host" subsys=daemon As Kind is running nodes as containers in Docker, they’re sharing your host machines’ kernel. If Host-Reachable Services wasn’t disabled, the eBPF programs attached by Cilium may be

well-equipped to handle modern containerized workloads as well as more traditional workloads such as virtual machines and standard Linux processes. The development of modern datacenter applications has shifted hosts. The following multi node networking models are supported: Overlay: Encapsulation-based virtual network spanning all hosts. Currently VXLAN and Geneve are baked in but all encapsulation formats OpenShift Install (Manifests) from target directory INFO Consuming Master Machines from target directory INFO Consuming Worker Machines from target directory INFO Consuming Openshift Manifests from target directory