petericebear

Links EOE:

I am adding some of my own:
Tuning beats:
https://www.elastic.co/blog/how-to-tune-elastic-beats-performance-a-practical-example-with-batch-size-worker-count-and-more
Tuning logstash:
https://www.elastic.co/guide/en/logstash/current/performance-tuning.html
Tuning Es for index:
https://www.elastic.co/guide/en/elasticsearch/reference/current/tune-for-indexing-speed.html
Tuning Es for search:

petericebear

wget https://downloads.wkhtmltopdf.org/0.12/0.12.5/wkhtmltox_0.12.5-1.bionic_amd64.deb
apt-get install fontconfig libxrender1 xfonts-75dpi xfonts-base
dpkg -i wkhtmltox_0.12.5-1.bionic_amd64.deb

petericebear

require 'chef/knife'
require 'chef/knife/base_vsphere_command'

# Set specific disk IOPS for an aattached disk to the VM
# VsphereVmdisklist extends the BaseVspherecommand
class Chef::Knife::VsphereVmDiskIops < Chef::Knife::BaseVsphereCommand
  banner 'knife vsphere vm disk iops VMNAME DISKINDEX IOPS'

  common_options

petericebear

require 'chef/knife'
require 'chef/knife/base_vsphere_command'

# Remove specific disk attached to a VM
# VsphereVmdisklist extends the BaseVspherecommand
class Chef::Knife::VsphereVmDiskRemove < Chef::Knife::BaseVsphereCommand
  banner 'knife vsphere vm disk remove VMNAME DISKINDEX'

  common_options

petericebear

## Example of pulling data from DC Capital bikeshare to Elasticsearch in real time
## HTTP Poller -> XML Splitting -> Elasticsearch

input {
  ## pull data from Capital Bikeshare every 60 seconds
  http_poller {
    urls => {
      bikeshare_dc => "https://www.capitalbikeshare.com/data/stations/bikeStations.xml"
    }
    request_timeout => 30

petericebear

vim = RbVmomi::VIM.connect host: vcenter.hostname, user: vcenter.username, password: vcenter.password, insecure: true
pm = vim.serviceInstance.content.perfManager

# this is for a single cluster with hosts directly in one cluster. 'first' returns the cluster object.
hosts = vim.serviceInstance.find_datacenter.hostFolder.children.first.host

pm.retrieve_stats([hosts[0]], ['cpu.usagemhz'], {interval: '300', start_time: (Time.now - 6.hours)}).first[1][:metrics]['cpu.usagemhz']
# This above query queries for the 'cpu.usagemhz' counter, which by default matches the (none) rollup counter (NOT THE AVERAGE) in vSphere API. 
#   This is a problem with the RbVmomi gem helper function "retrieve_stats" only. To override this, use the following manual counter selection:

petericebear

require 'rbvmomi'
require 'pry-byebug'
require 'socket'
require 'openssl'
require 'digest/sha1'
require 'io/console'

def get_thumbprint(vc)
  ssl_context = OpenSSL::SSL::SSLContext.new
  tcp_client = TCPSocket.new vc, 443

petericebear

<?php
public function getRefreshTokenResponse($code)
{
    $response = $this->getHttpClient()->post($this->getTokenUrl(), [
        'headers' => ['Accept' => 'application/json'],
        'form_params' => $this->getRefreshTokenFields($code),
    ]);
    return json_decode($response->getBody(), true);
}

petericebear

cd /usr/local/Cellar/ansible/ && git clone https://github.com/ansible/ansible.git --recursive devel
cd /usr/local/Cellar/ansible/devel && git submodule update --init --recursive
sudo make install
source hacking/env-setup
brew switch ansible devel
brew link --overwrite ansible

petericebear

#!/bin/sh

# Config for SSL.
echo "--- Making SSL Directory ---"
mkdir /etc/nginx/ssl

echo "--- Copying $i SSL crt and key ---"
openssl req -nodes -new -x509 -keyout /etc/nginx/ssl/server.key -out /etc/nginx/ssl/server.crt -subj "/C=US/ST=NY/L=NYC/O=Dis/CN=www.example.com"

echo "--- Turning SSL on in nginx.conf. ---"