matiferrigno

# ~/.jq/jwt.jq
#
# Ex.
#   jq -R 'import "jwt" as jwt; jwt::decode' /tmp/jwt_to_decode
#
# this is a alternative to: 
#   jq -R 'split(".") | .[0],.[1] | @base64d | fromjson' /tmp/jwt_to_decode
#
# still possible to use an alias for either command but this appears to be more scalable.

packerdl

Running Plex in an Unprivileged LXC with Intel QuickSync Passthrough

First setup an unprivileged Ubuntu container with Plex Media Server installed. Inside the container take note of the id of the plex group.

# Your Plex group's ID may be different
$ getent group plex | cut -d : -f3
998

benc-uk

Official Exam Links & Resources

• Main certification landing page
• Handbook
• Importannt Tips
• CKAD FAQ

The Exam Itself

• CNCF Training Portal
• System Checker

strongjz

Tools

• Kops https://github.com/kubernetes/kops/blob/master/docs/README.md
• Kubectl https://kubernetes.io/docs/tasks/tools/install-kubectl/
• kubespy https://blog.pulumi.com/kubespy-trace-a-real-time-view-into-the-heart-of-a-kubernetes-service
• kops https://icicimov.github.io/blog/virtualization/Kubernetes-Cluster-in-AWS-with-Kops/

Presentations

soofaloofa

GET https://api.example.com/player/1234567890
{
    "collection": {
        "version": "1.0",
        "href": "https://api.example.com/player",
        "items": [
            {
                "href": "https://api.example.com/player/1234567890",
                "data": [
                      {"name": "playerId", "value": "1234567890", "prompt": "Identifier"},

lukeplausin

# Count total EBS based storage in AWS
aws ec2 describe-volumes | jq "[.Volumes[].Size] | add"
# Count total EBS storage with a tag filter
aws ec2 describe-volumes --filters "Name=tag:Name,Values=CloudEndure Volume qjenc" | jq "[.Volumes[].Size] | add"
# Describe instances concisely
aws ec2 describe-instances | jq '[.Reservations | .[] | .Instances | .[] | {InstanceId: .InstanceId, State: .State, SubnetId: .SubnetId, VpcId: .VpcId, Name: (.Tags[]|select(.Key=="Name")|.Value)}]'
# Wait until $instance_id is running and then immediately stop it again
aws ec2 wait instance-running --instance-id $instance_id && aws ec2 stop-instances --instance-id $instance_id

# Get 10th instance in the account

Fusl

# Windows (receiver) side:
.\ffplay.exe -nodisp -ac 2 -acodec pcm_u8 -ar 48000 -analyzeduration 0 -probesize 32 -f u8 -i udp://0.0.0.0:18181?listen=1

# Linux (transmitter) side:
pactl load-module module-null-sink sink_name=remote
ffmpeg -f pulse -i "remote.monitor" -ac 2 -acodec pcm_u8 -ar 48000 -f u8 "udp://RECEIVER:18181"
pavucontrol # Change the default output to the Null sink or move single applications to this "output" device.