gabrielfsousa

Preparation for CKA with Kubernetes version 1.17.1 on REDHAT 8

What i need to know for the exam ? 🏁

%	Domain
08%	Application Lifecycle Management
12%	Installation, Configuration & Validation
19%	Core Concepts
11%	Networking

michaellihs

package main

import (
	"bufio"
	"bytes"
	"encoding/json"
	"flag"
	"fmt"
	"github.com/danicat/simpleansi"
	"log"

CermakM

# Lookup kubernetes subjects based on RBAC
# Usage:
#   rbac-lookup  # to list all subjects to a rolebinding or clusterrolebinding
#   rbac-lookup builder  # list all {role,clusterrole}bindings where builder is a subject

function rbac-lookup
	if test "$argv"
		kubectl get rolebindings,clusterrolebindings \
		  --all-namespaces  \
		  -o custom-columns=(string join0 'KIND:kind,NAMESPACE:metadata.namespace,NAME:metadata.name,SUBJECT:subjects[?(@.name=="'"$argv"'")].name') | grep -v '<none>'

luckylittle

Red Hat Security: Securing Containers & OpenShift (DO425)

Last update: Tue Jan 14 23:15:49 UTC 2020 by @luckylittle

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Objectives

1. Understand, identify, and work with containerization features
2. Deploy a preconfigured application and identify crucial features such as namespaces, SELinux labels, and cgroups

texasdave2

Questions are not from any actual exam!!!  



Q:  Create a job that calculates pi to 2000 decimal points using the container with the image named perl
and the following commands issued to the container:  ["perl",  "-Mbignum=bpi", "-wle", "print bpi(2000)"]
Once the job has completed, check the logs to and export the result to pi-result.txt.

Solution:

edsiper

Kubernetes Commands

Helper setup to edit .yaml files with Vim:

• VIM Setup for Yaml files

List of general purpose commands for Kubernetes management:

• PODS
• Create Deployments

johnloy

Electron apps

• Marp: Markdown presentation ecosystem.

• muryoimpl/slippr: markdown presentation app by Electron

• joe-re/cafe-pitch Markdown-driven presentation tool built on Electron.

Slide deck frameworks supporting Markdown source

croxton

Generate ssl certificates with Subject Alt Names on OSX

Open ssl.conf in a text editor.

Edit the domain(s) listed under the [alt_names] section so that they match the local domain name you want to use for your project, e.g.

DNS.1   = my-project.dev

Additional FQDNs can be added if required:

leonardofed

A curated list of AWS resources to prepare for the AWS Certifications

A curated list of awesome AWS resources you need to prepare for the all 5 AWS Certifications. This gist will include: open source repos, blogs & blogposts, ebooks, PDF, whitepapers, video courses, free lecture, slides, sample test and many other resources.

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julz

package main

import (
	"fmt"
	"os"
	"os/exec"
	"syscall"
)

func main() {