oinopion

-- Create a group
CREATE ROLE readaccess;

-- Grant access to existing tables
GRANT USAGE ON SCHEMA public TO readaccess;
GRANT SELECT ON ALL TABLES IN SCHEMA public TO readaccess;

-- Grant access to future tables
ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT SELECT ON TABLES TO readaccess;

chalos

Set your Ubuntu Congestion Control to BBR

1. Check if Ubuntu Linux Kernel version is 4.9

   $ uname -r

2. If not, follow the link http://www.yourownlinux.com/2016/12/how-to-install-linux-kernel-4-9-0-in-linux.html instructions to update your Ubuntu Linux Kernel to 4.9

yurishkuro

• What do Etcd, Consul, and Zookeeper do?
  • Service Registration:
    • Host, port number, and sometimes authentication credentials, protocols, versions numbers, and/or environment details.
  • Service Discovery:
    • Ability for client application to query the central registry to learn of service location.
  • Consistent and durable general-purpose K/V store across distributed system.
    • Some solutions support this better than others.
    • Based on Paxos or some derivative (i.e. Raft) algorithm to quickly converge to a consistent state.
• Centralized locking can be based on this K/V store.

mgoodness

kubectl -n kube-system create sa tiller
kubectl create clusterrolebinding tiller --clusterrole cluster-admin --serviceaccount=kube-system:tiller
helm init --service-account tiller

pecigonzalo

#!/bin/bash

bucket=$1

set -e

echo "Removing all versions from $bucket"

versions=`aws s3api list-object-versions --bucket $bucket |jq '.Versions | .[] | select(.IsLatest | not)'`
markers=`aws s3api list-object-versions --bucket $bucket |jq '.DeleteMarkers'`

aschmelyun

<template>
  <div class="wrapper">
    <div class="box" @scroll="handleScroll">
      <p>Your content here...</p>
    </div>
    <a href="#" v-if="hasScrolledToBottom">Show After Scrolling</a>
  </div>
</template>
<script>
  export default {

mkg20001

#!/bin/bash

set -e

cf_ips() {
  echo "# https://www.cloudflare.com/ips"

  for type in v4 v6; do
    echo "# IP$type"
    curl -sL "https://www.cloudflare.com/ips-$type/" | sed "s|^|allow |g" | sed "s|\$|;|g"