jstrassburg

from datetime import datetime
from elasticsearch import Elasticsearch


class Program():
	es = Elasticsearch()

	def __init__(self):
		pass

jstrassburg

Linux Logical Volume Management [LVM]

Source: https://www.howtoforge.com/linux_lvm

• /dev/sdX or /dev/hdX are physical HDDs (SCSI or SATA)
• /dev/vdX are virtual HDDs (virtualization aware driver)
• /dev/sda1 would be the first partition on the /dev/sda disk

jstrassburg

#thanksOracle
sudo apt-get update -y
sudo apt-get install -y software-properties-common
sudo apt-add-repository -y ppa:webupd8team/java
echo debconf shared/accepted-oracle-license-v1-1 select true | sudo debconf-set-selections
echo debconf shared/accepted-oracle-license-v1-1 seen true | sudo debconf-set-selections
sudo apt-get update -y
sudo apt-get install -y oracle-java8-installer

jstrassburg

Locate blocked requests: ceph health detail | grep 'ops are blocked'

Space usage global and by pool: ceph df

Display the tree of OSDs and their location/weights/status: ceph osd tree

Description of placement group states: http://docs.ceph.com/docs/master/rados/operations/pg-states/

jstrassburg

Repos

These are the relevant repositories for the Solr Continuous Delivery talk. Each one has more information in its respective README:

1. https://github.com/jstrassburg/solr-jenkins-cicd - This repo contains a jenkins_home directory with a script to start a stage/production Solr node with Vagrant and a script to start everything.
2. https://github.com/jstrassburg/lucene-solr/tree/branch_6_1 - A fork of the official lucene-solr repo. When you run the Solr Pipeline this repository is cloned and built into a package and deployed to the Solr servers. If you want to try out the developer workflow you need this repository cloned and build.
3. https://github.com/jstrassburg/solr-jenkins-cicd-conf - This repository contains our version controlled Solr configuration which gets deployed with the Solr Configuration Pipeline in Jenkins.

jstrassburg

#!/usr/bin/env bash

usage() {
  echo "Usage: $0 /path/to/thing.pfx"
  exit -1
}

if [ "$#" -lt 1 ]; then
  usage
fi

jstrassburg

#include <Servo.h>

const int SERVO_COUNT = 10;
Servo servos[SERVO_COUNT];

const int SERVO_MIN = 40;
const int SERVO_MAX = 180;

void setup() {
  for (int i = 0 ; i < SERVO_COUNT ; i += 1) {

jstrassburg

# Description: Boxstarter Script
#
# Install boxstarter:
# 	. { iwr -useb http://boxstarter.org/bootstrapper.ps1 } | iex; get-boxstarter -Force
#
# You might need to set: Set-ExecutionPolicy RemoteSigned
#
# Run this boxstarter by calling the following from an **elevated** command-prompt:
# 	start http://boxstarter.org/package/nr/url?<URL-TO-RAW-GIST>
# OR

jstrassburg

[ req ]
default_bits       = 2048
distinguished_name = req_distinguished_name
req_extensions     = req_ext
attributes         = req_attributes
prompt             = no

[ req_distinguished_name ]
countryName                = US
stateOrProvinceName        = StateName

jstrassburg

// SPDX-License-Identifier: UNLICENSED
pragma solidity ^0.8.2;

contract Foo {
    uint public value;

    constructor() payable {
        value = msg.value;
    }
}