Marco Braga mtulio

mtulio / linux_gen_random_passwd.sh

Last active August 29, 2015 14:27

Generating a random password using Linux Shell Script. Original: https://github.com/mtulio/kb/tree/master/scripts/shell_study/dev_ramdom-generate_password

	#!/bin/bash
	#
	# generate_ramdom_password.sh - Generate random passwords
	#
	# author: Marco Tulio R Braga (https://github.com/mtulio)
	# created: Aug 18, 2015
	# modified: Aug 18, 2015
	#
	#######################################

mtulio / aws-cli-spot-get-cheaper-by-region

Created August 24, 2018 06:23

AWS CLI - Check the cheaper spot on an given Region and Instance Type and return the AZ name

	#!/bin/bash

	# Return cheapper AZ for an given instance type and region
	# Eg: $0 us-east-1 r3.8xlarge [all]

	# AWS Region [Eg. us-east-1 ]
	R=$1

	# AWS Instance Type [Eg. r3.8xlarge ]
	I=$2

mtulio / benchmark-disks

Created August 31, 2018 07:54

	#!/bin/bash

	# Benchmark in Linux OS using FIO and IOping

	## FIO

	# Random read performance
	time fio --randrepeat=1 --ioengine=libaio --direct=1 --gtod_reduce=1 \
	--name=test --filename=./test-r \
	--bs=4k --iodepth=64 --size=40G --readwrite=randrw --rwmixread=75

mtulio / aws-eks-lab.sh

Created September 14, 2018 04:54

Basic EKS lab to setup an new cluster

	#!/bin/bash

	# Basic EKS client Setup and management
	# Doc: https://docs.aws.amazon.com/eks/latest/userguide/getting-started.html

	OS_NAME=linux
	OS_ARCH=amd64
	OS_DIST=$(cat /etc/os-release \|grep ^NAME \|awk -F'=' '{print$2}')

	KUBECTL_URL=https://amazon-eks.s3-us-west-2.amazonaws.com/1.10.3/2018-07-26/bin/${OS_NAME}/${OS_ARCH}/kubectl

mtulio / replace-nlb-ocp-k8s-api.sh

Last active October 20, 2021 12:04

Replace NLB's target group from kube-apiserver to Target Type instance

 #/bin/sh
 #
 # Switch NLB's listeners to target group type 'instnace' on
 # kube-apiserver on OpenShift deployment.
 #
 set -o pipefail
 set -o nounset
 set -o errexit

mtulio / aws-local-zones-ec2-offerings-by-type.txt

Last active March 1, 2023 01:38

EC2 instances offering in AWS Local Zones

	>> Instance map
	{'c5.12xlarge': ['us-west-2-lax-1b', 'us-west-2-lax-1a'],
	'c5.18xlarge': ['us-west-2-lax-1b', 'us-west-2-lax-1a'],
	'c5.24xlarge': ['us-west-2-lax-1a', 'us-west-2-lax-1b'],
	'c5.2xlarge': ['us-east-1-scl-1a',
	'us-east-1-bue-1a',
	'us-west-2-lax-1b',
	'us-west-2-lax-1a',
	'eu-north-1-hel-1a',
	'eu-north-1-cph-1a',

mtulio / ARM-output-aws-ec2-offering-table.txt

Created August 7, 2023 05:43

AWS EC2 Offerings across zones - focus on ARM