scottsb

Guide to Resetting a csync2 Cluster

Introduction

These are possible steps to reset a csync2 cluster that has been seriously fubared. This is an apocalyptic approach and should only be used when more surgical fixes (like correcting an individual conflict) aren't workable.

Use Cases

yurydelendik

NOTE: the content is out-of-date. All development is moved to the https://github.com/yurydelendik/wasmception

Using WebAssembly in LLVM

Compiling

# locations, e.g.
export WORKDIR=~/llvmwasm; mkdir -p $WORKDIR
export INSTALLDIR=$WORKDIR

vandot

#!/usr/bin/env python

import csv
import urllib
import zipfile
import os

link = 'http://geolite.maxmind.com/download/geoip/database/GeoLite2-Country-CSV.zip'
csv1 = 'GeoLite2-Country-Blocks-IPv4.csv'
csv2 = 'GeoLite2-Country-Locations-en.csv'

sid24rane

var udp = require('dgram');

// --------------------creating a udp server --------------------

// creating a udp server
var server = udp.createSocket('udp4');

// emits when any error occurs
server.on('error',function(error){
  console.log('Error: ' + error);

ryohey

const WIDTH = 176
const HEIGHT = 144

const progRGB = yuv420ProgPlanarToRgb(base64ToArrayBuffer(yuv420ProgPlanarImage()), WIDTH, HEIGHT)
const canvas = document.createElement("canvas")
document.body.appendChild(canvas)
const ctx = canvas.getContext("2d")
const imageData = ctx.createImageData(WIDTH, HEIGHT)
putRGBToRGBA(imageData.data, progRGB, WIDTH, HEIGHT)
ctx.putImageData(imageData, 0, 0)

ruzickap

# livemedia-creator --make-pxe-live --live-rootfs-keep-size --image-name=my_fedora_img --tmp=/var/tmp/a --ks fedora26-my.ks --iso=/home/ruzickap/data2/iso/Fedora-Workstation-netinst-x86_64-26-1.5.iso --resultdir=/var/tmp/a/result
/usr/lib64/python3.5/optparse.py:999: PendingDeprecationWarning: The KSOption class is deprecated and will be removed in pykickstart-3.  Use the argparse module instead.
  option = self.option_class(*args, **kwargs)
2017-07-16 08:12:28,922: disk_img = /var/tmp/a/result/my_fedora_img
2017-07-16 08:12:28,923: Using disk size of 6002MiB
2017-07-16 08:12:28,923: install_log = /var/tmp/lorax/virt-install.log
2017-07-16 08:12:29,161: qemu vnc=127.0.0.1:0
2017-07-16 08:12:29,161: Running qemu
2017-07-16 08:12:29,286: Processing logs from ('127.0.0.1', 52518)
2017-07-16 08:40:25,126: Installation finished without errors.

xlanor

#ABRT was spamming my fedora system with updates nonstop.

sudo systemctl -t service | grep abrt
sudo systemctl stop abrt-journal-core.service
sudo systemctl disable abrt-journal-core.service
sudo systemctl stop abrt-oops.service
sudo systemctl disable abrt-oops.service
sudo systemctl stop abrt-xorg.service
sudo systemctl disable abrt-xorg.service
sudo systemctl stop abrtd.service

pvmart

#!/bin/bash

set -e
set -o pipefail

dd if=/dev/zero of=/dev/sda bs=1024 count=10
dd if=/dev/zero of=/dev/sdb bs=1024 count=10

RAM=$(free -m | awk '/Mem:/{print $2}')

rigelk

# requires WebSocket support with `a2enmod proxy_wstunnel`
# check https://ssl-config.mozilla.org/#server=apache&version=2.4.41&config=modern&openssl=1.1.1d&hsts=false&ocsp=false&guideline=5.6 for hardening security

<VirtualHost *:80 [::]:80>
        ServerName peertube.example.com
        ServerAdmin [email protected]
        Protocols h2c http/1.1

        RewriteEngine On
        RewriteCond %{REQUEST_URI} !^/\.well\-known/acme\-challenge/

tcurvelo

const puppeteer = require('puppeteer');

(async () => {
  const browser = await puppeteer.launch({headless: false});
  const page = await browser.newPage();
  await page.goto('https://takeout.google.com/');

  const input = await page.evaluate(() => {
    const next = document.querySelector('#identifierNext');