krsna1729

Pre-requisites

Install IPMItools using your package manager on laptop and target machine. Load the drivers on the target.

modprobe ipmi_devintf
modprobe ipmi_si

If you see the following, drivers are not loaded.

mcastelino

---
apiVersion: monitoring.coreos.com/v1
kind: PodMonitor
metadata:
  name: fluentd-es
  labels:
    k8s-app: fluentd-es
spec:
 selector:

atheriel

#!/usr/bin/env bpftrace
/*
 * ralloc - Print allocations of R vectors.
 *
 * Copyright 2020 Aaron Jacobs
 * Licensed under the MIT License or the Apache License, version 2.0.
 */

BEGIN
{

jimmychu0807

use std::str;

fn main() {
  // -- FROM: vec of chars --
  let src1: Vec<char> = vec!['j','{','"','i','m','m','y','"','}'];
  // to String
  let string1: String = src1.iter().collect::<String>();
  // to str
  let str1: &str = &src1.iter().collect::<String>();
  // to vec of byte

egernst

Quick guide for getting Kata+containerd (using v2 shim) up and running super quick on bionic

Installation of Kube stuff on bionic:

Use the following sh:

sudo -E apt install -y curl
sudo bash -c "cat <<EOF > /etc/apt/sources.list.d/kubernetes.list
deb http://apt.kubernetes.io/ kubernetes-xenial-unstable main

amshinde

Beta support for raw block volumes is available in K8s 1.13: https://kubernetes.io/blog/2019/03/07/raw-block-volume-support-to-beta/

The following in-tree volumes types support raw blocks:

• AWS EBS
• Azure Disk
• Cinder

chavafg

$ cat /etc/containerd/config_runtimeclass.toml
root = "/var/lib/containerd"
state = "/run/containerd"
oom_score = 0

[grpc]
  address = "/run/containerd/containerd.sock"
  uid = 0
  gid = 0
  max_recv_message_size = 16777216

lizrice

Accessing Kubelet API

curl -sk https://localhost:10250/pods/

• If --anonymous-auth is turned off, you will see a 401 Unauthorized response.
• If --anonymous-auth is true and --authorization-mode is Webhook you'll see 403 Forbidden response with message Forbidden (user=system:anonymous, verb=get, resource=nodes, subresource=proxy)
• If --anonymous-auth is true and --authorization-mode is AlwaysAllow you'll see a list of pods.

jcvenegas

How to do a Kata Containers Release

Hi if you are reading this document you may also want to create a kata Containers Release.

The Kata Containers Release Process is defined in the follwoing documents.

https://github.com/kata-containers/documentation/blob/master/Releases.md

To simply the process of read each release we have created a checklist for it.

enzian

# Running a DinD instance with Kata Containers

1. Start on a clean Ubuntu 16.04 machine (if virtualized, enable VT-X support in your hypervisor like Hyper-V). 

2. Follow Kata's install guide for the Kata runtime [here](https://github.com/kata-containers/documentation/blob/master/install/ubuntu-installation-guide.md).

3. Continue with the installation guide for docker [here](https://github.com/kata-containers/documentation/blob/master/install/docker/ubuntu-docker-install.md) and skip step 4!

4. Rebuild the guest kernel with overlayfs & btrfs support: