zdk

function apt-history(){
    case "$1" in
      install)
            cat /var/log/dpkg.log | grep 'install '
            ;;
      upgrade|remove)
            cat /var/log/dpkg.log | grep $1
            ;;
      rollback)
            cat /var/log/dpkg.log | grep upgrade | \

zdk

#!/bin/bash

# Update system packages
apt-get update
apt-get upgrade -y

# Install Apache web server
apt-get install -y apache2

# Add PHP repository and install PHP 8.2

zdk

apt update
apt upgrade

echo "PubkeyAuthentication yes
PasswordAuthentication yes" >> /etc/ssh/sshd_config
systemcl restart ssh
 
sed -i '/^%sudo/c\%sudo ALL=(ALL) NOPASSWD:ALL' /etc/sudoers
usermod -aG sudo <user>
usermod -s /bin/bash <user>

zdk

#!/bin/sh

alias ll='ls -la'
# Editor: VIM
export EDITOR='nvim'
export VISUAL='nvim'

alias k=kubectl
alias tf='terraform'
alias i='/sbin/ifconfig'

zdk

import * as dns from "node:dns";
import { $ } from 'bun';

const addrs = await dns.promises.resolveSrv("_web1._tcp.mydomain.local");
console.log(addrs);

zdk

kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/main/deploy/static/provider/kind/deploy.yaml

zdk

docker pull registry.k8s.io/ingress-nginx/controller:v1.8.1
docker pull registry.k8s.io/ingress-nginx/kube-webhook-certgen:v20230407
kind load docker-image -n dev registry.k8s.io/ingress-nginx/controller:v1.8.1
kind load docker-image -n dev registry.k8s.io/ingress-nginx/kube-webhook-certgen:v20230407

zdk

cat <<EOF | kind create cluster --name dev --config=-
kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
nodes:
- role: control-plane
  kubeadmConfigPatches:
  - |
    kind: InitConfiguration
    nodeRegistration:
      kubeletExtraArgs:

zdk

PostgreSQL is Enough

• Simplify: move code into database functions
• Just Use Postgres for Everything
• PostgreSQL is the worlds’ best database
• Postgres is eating the database world
• Hacker News discussion

Background and Cron Jobs

zdk

Haproxy conditions

Since I keep forgetting them I've put them here.

To form a condition, you can use the following syntax after the rule that it applies to:

<HAProxy action statement> if|unless [!]acl1 <AND|OR|or|'||'> [!]acl2 ...

• if - the condition is TRUE if the result of the ACLs is TRUE.