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job "grafana" {
  datacenters = ["example_datacenter"]

  type = "service"

   constraint {
     attribute = "${attr.kernel.name}"
     value     = "linux"
   }

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sequentional write tests

hardware

• pinebook pro
• usb 3.0 ugreen sdcard reader

benchmark

• write a random arnbian image approx 1.4G command time dd of=/dev/sdb if=Armbian_21.02.0-trunk-AR-512_Orangepioneplus_focal_dev_5.10.0.img bs=1M conf=fsync status=progress

tests

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#!/bin/bash

diskpath=/

echo before
    btrfs filesystem usage ${diskpath}
for i in 0 5 10 15 20 25 30 40 50 60 70 80 90 100
do
    echo "${0}: Running with ${i}%"
    btrfs filesystem usage ${diskpath}

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monitoring and alerting stuff

• netdata for realtime metrics -- can be scraped by prometheus
• prometheus - CNCF sponsored... metrics and alerting -- can feed grafana
• Grafana
• my logstash container that supports AWS ELK
• cw - read cloudwatch logs

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we need mirrors.

can they replcate rsync.armbian.com::apt - 150G and rsync.armbian.com::dl 760GB-1TB ?

North America Mirror candidates

http://mirrors.gigenet.com    

This hardware and bandwidth for this mirror is donated by GigeNET as a service to the open-source community. If you are interested in having us mirror your open-source project, please reach out to [email protected].

http://plug-mirror.rcac.purdue.edu/info.html

The mirror is hosted on an Isilon box (dual Xeon L5410s, 28GB ram, 111TB disk [71TB usable], 10G network, running Debian) generously donated by Purdue's research computing group.

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Forums under maintenance Will be back shortly

Hello! We are migrating forums to a new host, will be available when DNS updates!

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fail2ban config for excessive apt update

apt install fail2ban

• known issue: IPV6s fail to block with ufw banaction
• currently only blocks stretch repo abuse.

see banned IPs

iptables -L ufw-user-input -n|fgrep REJECT

unban

fail2ban-client unban %IP%

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#!/bin/bash

#ex: /usr/local/bin/checkoutGitHubPR.sh 1234

REMOTE_REPO=origin     ## name of your git remote.. typically origin or upstream
MERGE_STATE=merge      ## set to "merge" to checkout PR merged against repo, or set to "head" to checkout PR unmerged 
PR=${1}                ## github pull request number

git fetch -v ${REMOTE_REPO} +refs/pull/${PR}*:refs/remotes/${REMOTE_REPO}/pull/${PR}*
git checkout -f ${REMOTE_REPO}/pull/${PR}/${MERGE_STATE}

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esphome:
  name: magicbuttonboard
  platform: ESP8266
  board: d1_mini
  on_boot:
    priority: -100
    then:
      - lambda: id(magic_button_board_selection_mode).publish_state(false);
      - lambda: id(magic_button_board_button_click).publish_state(false);

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- hosts: [ 'all', '!excludehosts']
  gather_facts: no
  become: yes

  vars:
    boinc_account: CHANGEME

  pre_tasks:
  - name: install python
    raw: '[[ $(python --version) ]] || apt update -y; apt install python -y'