Versions for Advanced Features Key-Value store clang+LLVM iproute2 Firewall Rules Mounted eBPF filesystem Privileges Upgrade Guide Running pre-flight check (Required) Upgrading Cilium Version Specific yaml automatically. However, this may not install the latest version of cilium. 4. Mount the eBPF filesystem minikube ssh -- sudo mount bpffs -t bpf /sys/fs/bpf Note In case of installing Cilium for a your Kubernetes cluster to operate with Cilium. Mount the eBPF Filesystem On each node, run the following to mount the eBPF Filesystem: sudo mount bpffs -t bpf /sys/fs/bpf Install Cilium Install Cilium

Versions for Advanced Features Key-Value store clang+LLVM iproute2 Firewall Rules Mounted eBPF filesystem Privileges Upgrade Guide Running pre-flight check (Required) Upgrading Cilium Version Specific only mount eBPF file system but also deploy quick- install.yaml automatically. 4. Mount the eBPF filesystem minikube ssh -- sudo mount bpffs -t bpf /sys/fs/bpf Note In case of installing Cilium for a configure your Kubernetes cluster to operate with Cilium. Mount the BPF Filesystem On each node, run the following to mount the BPF Filesystem: sudo mount bpffs -t bpf /sys/fs/bpf Install Cilium Install Cilium

Versions for Advanced Features Key-Value store clang+LLVM iproute2 Firewall Rules Mounted eBPF filesystem Privileges Upgrade Guide Running pre-flight check (Required) Upgrading Cilium Version Specific DaemonSet will perform the following actions: Reconfigure kubelet to run in CNI mode Mount the eBPF filesystem AKS (BYOCNI) To install Cilium on Azure Kubernetes Service (AKS) [https://docs.microsoft.com/en- meeting the requirements: Kubernetes >= 1.16 Linux kernel >= 4.9 Kubernetes in CNI mode Mounted eBPF filesystem mounted on all worker nodes Recommended: Enable PodCIDR allocation (--allocate-node-cidrs) in the

Create a minikube cluster: minikube start --network-plugin=cni --memory=4096 4. Mount the BPF filesystem minikube ssh -- sudo mount bpffs -t bpf /sys/fs/bpf Note In case of installing Cilium for a configure your Kubernetes cluster to operate with Cilium. Mount the BPF Filesystem On each node, run the following to mount the BPF Filesystem: sudo mount bpffs -t bpf /sys/fs/bpf Install Cilium kubectl create meeting the requirements: Kubernetes >= 1.9 Linux kernel >= 4.9 Kubernetes in CNI mode Mounted BPF filesystem mounted on all worker nodes Recommended: Enable PodCIDR allocation (--allocate-node-cidrs) in the

Versions for Advanced Features Key-Value store clang+LLVM iproute2 Firewall Rules Mounted eBPF filesystem Privileges Upgrade Guide Running pre-flight check (Required) Upgrading Cilium Version Specific DaemonSet will perform the following actions: Reconfigure kubelet to run in CNI mode Mount the eBPF filesystem AKS (BYOCNI) To install Cilium on Azure Kubernetes Service (AKS) [https://docs.microsoft.com/en- meeting the requirements: Kubernetes >= 1.16 Linux kernel >= 4.9 Kubernetes in CNI mode Mounted eBPF filesystem mounted on all worker nodes Recommended: Enable PodCIDR allocation (--allocate-node-cidrs) in the

Create a minikube cluster: minikube start --network-plugin=cni --memory=4096 4. Mount the BPF filesystem minikube ssh -- sudo mount bpffs -t bpf /sys/fs/bpf Note In case of installing Cilium for a meeting the requirements: Kubernetes >= 1.9 Linux kernel >= 4.9 Kubernetes in CNI mode Mounted BPF filesystem mounted on all worker nodes Recommended: Enable PodCIDR allocation (--allocate-node-cidrs) in the meeting the requirements: Kubernetes >= 1.9 Linux kernel >= 4.9 Kubernetes in CNI mode Mounted BPF filesystem mounted on all worker nodes Recommended: Enable PodCIDR allocation (--allocate-node-cidrs) in the

CNI mode Running kube-dns/coredns (When using the etcd-operator installa�on method) Mounted BPF filesystem mounted on all worker nodes Enable PodCIDR alloca�on ( --allocate-node-cidrs ) in the kube-controller-manager CNI mode Running kube-dns/coredns (When using the etcd-operator installa�on method) Mounted BPF filesystem mounted on all worker nodes Enable PodCIDR alloca�on ( --allocate-node-cidrs ) in the kube-controller-manager kube-system apply -f https://raw.githubusercontent.com/cilium/c This will mount the BPF filesystem and ensures that the filesystem is automa�cally mounted when the node is rebooted. Due to being a DaemonSet, any

AND The kernel can be debugged using gdb The approach We need: ● A kernel image ● A root filesystem ● An eBPF program that doesn’t work ● gdb First - The environment git clone https://git.kernel /source/buildroot cd buildroot make menuconfig make -j16 Rootfs Remember to: - Select ext4 as filesystem image - Enable networking - Enable the SSH daemon cd /source/linux qemu-system-x86_64 -kernel