provide better tooling for troubleshooting. This includes tooling to provide: Event monitoring with metadata: When a packet is dropped, the tool doesn’t just report the source and destination IP of the packet Secure a Cassandra Database Getting Started Securing Memcached Locking down external access using AWS metadata Advanced Networking Setting up Cilium in AWS ENI mode Using kube-router to run BGP Using BIRD transparent manner. Visit Hubble Github page [https://github.com/cilium/hubble]. Generate the deployment files using Helm and deploy it: git clone https://github.com/cilium/hubble.git --branch v0.5 cd hubble/install/kubernetes

provide better tooling for troubleshooting. This includes tooling to provide: Event monitoring with metadata: When a packet is dropped, the tool doesn’t just report the source and destination IP of the packet Secure a Cassandra Database Getting Started Securing Memcached Locking down external access using AWS metadata Advanced Networking Setting up Cilium in AWS ENI mode Using kube-router to run BGP Setting up prepare generating the deployment artifacts based on the Helm templates. Generate the required YAML files and deploy them: helm template cilium \ --namespace cilium \ --set global.nodeinit.enabled=true

provide be�er tooling for troubleshoo�ng. This includes tooling to provide: Event monitoring with metadata: When a packet is dropped, the tool doesn’t just report the source and des�na�on IP of the packet Secure a Cassandra Database Ge�ng Started Securing Memcached Locking down external access using AWS metadata Advanced Networking Using kube-router to run BGP Se�ng up Cluster Mesh Cilium integra�on with Flannel CiliumNetworkPolicy description: "L3-L4 policy to restrict deathstar access to empire ships on metadata: name: "rule1" spec: endpointSelector: matchLabels: org: empire class: deathstar

provide better tooling for troubleshooting. This includes tooling to provide: Event monitoring with metadata: When a packet is dropped, the tool doesn’t just report the source and destination IP of the packet Secure a Cassandra Database Getting Started Securing Memcached Locking down external access using AWS metadata Creating policies from verdicts Host Firewall (beta when using kube-proxy) Advanced Networking NAME="$(whoami)-$RANDOM" cat <eks-config.yaml apiVersion: eksctl.io/v1alpha5 kind: ClusterConfig metadata: name: ${NAME} region: eu-west-1 managedNodeGroups: - name: ng-1 desiredCapacity: 2 privateNetworking:

provide better tooling for troubleshooting. This includes tooling to provide: Event monitoring with metadata: When a packet is dropped, the tool doesn’t just report the source and destination IP of the packet Secure a Cassandra Database Getting Started Securing Memcached Locking down external access using AWS metadata Creating policies from verdicts Host Firewall Advanced Networking Setting Up Cilium in AlibabaCloud NAME="$(whoami)-$RANDOM" cat <eks-config.yaml apiVersion: eksctl.io/v1alpha5 kind: ClusterConfig metadata: name: ${NAME} region: eu-west-1 managedNodeGroups: - name: ng-1 desiredCapacity: 2 privateNetworking:

provide better tooling for troubleshooting. This includes tooling to provide: Event monitoring with metadata: When a packet is dropped, the tool doesn’t just report the source and destination IP of the packet Secure a Cassandra Database Getting Started Securing Memcached Locking down external access using AWS metadata Creating policies from verdicts Host Firewall (beta) Advanced Networking Setting up Cilium in NetworkPolicy applies to them: kubectl get pods --all-namespaces -o custom- columns=NAMESPACE:.metadata.namespace,NAME:.metadata.name,HOSTNETWORK:. spec.hostNetwork --no-headers=true | grep '' | awk '{print

provide better tooling for troubleshooting. This includes tooling to provide: Event monitoring with metadata: When a packet is dropped, the tool doesn’t just report the source and destination IP of the packet Secure a Cassandra Database Getting Started Securing Memcached Locking down external access using AWS metadata Creating policies from verdicts Host Firewall (beta) Advanced Networking Setting up Cilium in NetworkPolicy applies to them: kubectl get pods --all-namespaces -o custom- columns=NAMESPACE:.metadata.namespace,NAME:.metadata.name,HOSTNETWORK:. spec.hostNetwork --no-headers=true | grep '' | awk '{print

output Using > to redirect output to a file Moving around in the command line man pages Counting files in a directory Editing longer commands File system FHS Useful commands Creating soft link to a environment variable values locate command Finding date/time in different timezones Bash history Sort files by size Curl! For all your web needs Viewing a file Downloading the file Download with the same sha-bang in executable files Processes in Linux How to view all running processes? How to find a particular process? How to kill/stop a particular process? Finding out list of open files Signals top command

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 1.22 Counting files in a directory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 3.20 Sort files by size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . works . . . . . . . . . . . . . . . . . . . . . . . . 36 6.8 she-bang or sha-bang in executable files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 7 Processes in Linux 37 7.1

access of remote common files and FIFO files, and supports read and write blocking operations. • Process collaboration uses the rexec tool to remotely start executable files. The rexec tool takes over analysis NAs 16K 5% Live network EDA: Metadata + Massive small files Service data Massive and deep directories Random concurrency Small files (KB-level) Metadata Deep directories Multiple operation high concurrency Data features Data write 25% Metadata read 42% 8K 50% 4K 10% 2K 10% 1K 10% 64K 5% 18K 4% 11K 1% 32K 5% Data read 15% Metadata write 18% Production service (NFS) FS Pod Pod