Catalinux l1ahim

🎯

Focusing

Always seek knowledge

l1ahim / Kubernetes vagrant cluster

Created July 5, 2019 19:54 — forked from walidshaari/Kubernetes vagrant cluster

	Completion
	install bash-completion package

	kubeadm completion bash\|tee /etc/bash_completion.d/kubeadm
	kubectl completion bash\|tee /etc/bash_completion.d/kubectl

	Bootstrapping the master node "Kubernetes control panel" :

	kubeadm init --apiserver-advertise-address=192.168.205.10 --pod-network-cidr=10.244.0.0/16 --kubernetes-version=v1.6.2
	## for calico default is 192.168.0.0/16 for flannel it is 10.244.0.0/16, not sure what needs to be done to vagrant for ips not clash

l1ahim / docker-cleanup-resources.md

Created May 11, 2019 08:18 — forked from bastman/docker-cleanup-resources.md

docker cleanup guide: containers, images, volumes, networks

Docker - How to cleanup (unused) resources

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm

l1ahim / snapshots.py

Created March 26, 2019 15:54 — forked from Eyjafjallajokull/README.md

AWS EBS - Find unused snapshots - this script generates csv raport about snapshot usage

	import re
	import boto3
	import csv
	from botocore.exceptions import ClientError

	ec2 = boto3.client('ec2')

	def get_snapshots():
	return ec2.describe_snapshots(OwnerIds=['self'])['Snapshots']

l1ahim / gist:c505f43326385ebe8a313e2c5324f12c

Created March 26, 2019 11:33 — forked from hummus/gist:8592113

aws cli + jq example

	wget http://stedolan.github.io/jq/download/linux64/jq
	aws ec2 describe-instances --filters "Name=tag:Name,Values=$NAME" \
	"Name=instance-state-name,Values=running" \
	\| jq -r \
	".Reservations[] \| .Instances[] \| .InstanceId" \

	aws ec2 describe-volumes --filters \
	"Name=status,Values=available" \
	\| jq -r ".Volumes[] \| .VolumeId" \

l1ahim / bash_aws_jq_cheatsheet.sh

Created March 25, 2019 14:50 — forked from lukeplausin/bash_aws_jq_cheatsheet.sh

AWS, JQ and bash command cheat sheet. How to query, cut and munge things in JSON generally.

	# 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