From Managed Kubernetes to App Platform: 1.5 Years of Cilium Usage at DigitalOcean Timo Reimann, DigitalOcean October 28, 2020 digitalocean.com History / Context ● DigitalOcean Kubernetes Service

Ubuntu from a USB memory stick This guide will help you install Ubuntu on your computer by using a USB memory stick. USB memory sticks are sometimes known as flash drives, memory pens or USB Mass Storage Storage devices. Installing from a memory stick is useful if you have a computer without a CD drive (like a netbook), or prefer the convenience of a memory stick. Alternative methods are available, are running Windows. 1. What do I need to get started? To install Ubuntu from a USB memory stick you need: • A memory stick with a capacity of at least 2GB. It will be formatted (erased) during this process

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157 9.5.10 Memory usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159 9.6.1 Disk space usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233 Debian Reference xvi 12.5.8 Memory leak detection tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

kernel 5.10 but also incorporated multiple new features such as live kernel upgrade and tiered memory expansion. These highlights improve multi-core performance and deliver thousand-core computing effort into advancing the ARM64 architecture, Advanced Configuration and Power Interface (ACPI), memory management, file systems, media, kernel documents, bug fixes, and code rebuild. Over the past decade kernel 5.10: In-depth optimizations for scheduling, I/O, and memory management • Tiered memory expansion etMem: unified management of various memory and storage media, and smooth expansion of system capacity

service-ldap-access-control Access control 3 service-ldap-replication Replication 3 service-ldap-usage Simple LDAP user and group management 3 service-ldap-with-tls SSL/TLS 3 service-ldap-backup-restore tion Configuration 3 device-mapper-multipathing-setup Setup 3 device-mapper-multipathing-usage-debug Usage and debug 2 Security 3 security-introduction Introduction 3 security-users Users 3 security-smart-cards System information as of Wed Jun 3 17:32:10 UTC 2020 System load: 0.0 Memory usage: 2% Processes: 146 Usage of /home: unknown Swap usage: 0% Users logged in: 0 0 updates can be installed immediately. 0

kind Install kind >= v0.7.0 per kind documentation: Installation and Usage [https://kind.sigs.k8s.io/#installation-and-usage] curl -LO https://raw.githubusercontent.com/cilium/cilium/v1.10/Documentatio com/Azure/AKS/issues/2934]. These issues prevent usage of our previously recommended scenario via replacement of initial system node pool with CriticalAddonsOnly=true:NoSchedule and usage of additional user node pools with refer to the guide AWS VPC CNI plugin. Requirements: The EKS Managed Nodegroups [https://eksctl.io/usage/eks-managed-nodes] must be properly tainted to ensure applications pods are properly managed by Cilium:

Linux kernel, covering chip architecture, Advanced Configuration and Power Interface (ACPI), memory management, file systems, media, kernel documents, bugfixs for kernel quality hardening, and software packages across different repositories is subject to community rules, which are based on usage, stability, and maintenance status. Software Package Repositories EPOL Image EUR/oepkgs/... components such as the CPUs, cache, memory, and I/O peripherals. This feature improves system hardware utilization and memory bandwidth, while reducing memory, cache, and peripheral access latency

ca60a424ce69a4d79f502650199ca2b52f29e631 3. Create a minikube cluster: minikube start --network-plugin=cni --memory=4096 Note If minikube is deployed as a container (that is if docker is the configured driver), from the supported list [https://minikube.sigs.k8s.io/docs/drivers/]. minikube start --cni=cilium --memory=4096 # Only available for minikube >= v1.12.1 Note From minikube v1.12.1+, cilium networking plugin l/] 4. Install kind >= v0.7.0 per kind documentation: Installation and Usage [https://kind.sigs.k8s.io/#installation-and-usage] Configure kind Configuring kind cluster creation is done using a YAML

minikube cluster: minikube start --network-plugin=cni --memory=4096 # Only available for minikube >= v1.12.1 minikube start --cni=cilium --memory=4096 Note From minikube v1.12.1+, cilium networking plugin l/] 4. Install kind >= v0.7.0 per kind documentation: Installation and Usage [https://kind.sigs.k8s.io/#installation-and-usage] Configure kind Configuring kind cluster creation is done using a YAML the simplest way to set up a Kubernetes cluster with Cilium: minikube start --network-plugin=cni --memory=4096 minikube ssh -- sudo mount bpffs -t bpf /sys/fs/bpf kubectl create -f https://raw.githubusercontent

kind Install kind >= v0.7.0 per kind documentation: Installation and Usage [https://kind.sigs.k8s.io/#installation-and-usage] curl -LO https://raw.githubusercontent.com/cilium/cilium/v1.11/Documentatio com/Azure/AKS/issues/2934]. These issues prevent usage of our previously recommended scenario via replacement of initial system node pool with CriticalAddonsOnly=true:NoSchedule and usage of additional user node pools with refer to the guide AWS VPC CNI plugin. Requirements: The EKS Managed Nodegroups [https://eksctl.io/usage/eks-managed-nodes] must be properly tainted to ensure applications pods are properly managed by Cilium: