Ivan Onushkin iaon

iaon / instance-types.sh

Last active June 2, 2023 18:42 — forked from serithemage/instance-types.sh

Get all EC2 Instance Types in All Availability Zones (Output as table instance_type vs AZ)

	#!/bin/bash

	# Getting list of Availability Zones from target region

	# all
	#target_regions=$(aws ec2 describe-regions --output text --query 'Regions[*].[RegionName]' \| sort)

	# default region
	target_regions=$(aws configure get region)

iaon / starting-services-swarm.sh

Created May 7, 2018 08:51

docker service ls --format "{{.ID}}: {{.Name}} {{.Mode}} {{.Replicas}}" | column -t | sed 's#/# from #'  | awk '{if ($4!=$6) {print $0}}'

iaon / docker-sysctl.sh

Last active February 26, 2018 10:20

docker-sysctl.sh

	#!/bin/bash

	# from https://blog.codeship.com/running-1000-containers-in-docker-swarm/
	SYSCTL='
	net.ipv4.ip_local_port_range="1024 65000"
	net.core.somaxconn=4096
	net.netfilter.nf_conntrack_max=262144
	net.netfilter.nf_conntrack_tcp_timeout_established=86400
	'

iaon / docker-netstat.sh

Last active February 22, 2018 18:08

Docker Netstat counts tcp connections by state

	#!/bin/bash
	while :
	do
	date
	containers=$(docker ps --format "{{.Names}}:{{.ID}}")
	for c in $containers
	do
	echo $c
	CID=$(echo $c \| awk -F ":" '{print $2}')
	nsenter -t $(docker inspect -f '{{.State.Pid}}' $CID) -n netstat -ant \|tail -n +3\|awk '{print $6}' \| sort \| uniq -c