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@matti
matti / cluster-autoscaler.yaml
Created March 18, 2022 12:24
## Ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity
# affinity -- Affinity for pod assignment
affinity: {}
autoDiscovery:
# cloudProviders `aws`, `gce`, `magnum` and `clusterapi` are supported by auto-discovery at this time
# AWS: Set tags as described in https://github.com/kubernetes/autoscaler/blob/master/cluster-autoscaler/cloudprovider/aws/README.md#auto-discovery-setup
# autoDiscovery.clusterName -- Enable autodiscovery for `cloudProvider=aws`, for groups matching `autoDiscovery.tags`.
# Enable autodiscovery for `cloudProvider=clusterapi`, for groups matching `autoDiscovery.labels`.
@matti
matti / kumbersome_kubernetes.md
Last active December 9, 2022 19:00

Kumbersome Kubernetes

kubectl get pods on a node

kubectl get pods --all-namespaces \
  --output jsonpath="{range .items[?(@.spec.nodeName=='ip-192-168-13-3.eu-north-1.compute.internal')]}{@.metadata.namespace}{': '}{@.metadata.name}{'\n'}"

kubectl get instance types

@matti
matti / beautiful_bash.md
Last active February 14, 2024 16:25

Beautiful Bash

until something is true

if "creation" command fails, sleep 1

while true; do
  kubectl get namespace mynamespace && break
 kubectl create namespace mynamespace || sleep 1
@matti
matti / k8s-inflate.yml
Last active January 20, 2022 13:21
kubectl apply -f https://gist.githubusercontent.com/matti/efa458f0027f8b03f5c81e178d198dad/raw/983385e6d2542872c5f7f23bfee02b90b73a3b31/k8s-inflate.yml
---
apiVersion: v1
kind: Namespace
metadata:
name: inflate-1
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: inflate-1
@matti
matti / raptograf.js
Last active December 13, 2021 15:55
powers https://docs.google.com/spreadsheets/d/e/2PACX-1vQYCNwDwKG67Q2NUVOM-Q2HKRJX9iTFdfzwjsffeZnHadqLBIPU2-JtgU5u5YKX1h0yikAUIG_q1wqA/pubhtml?gid=1190214576&single=true
var ss = SpreadsheetApp.openById('1AKPTWbOiRactKDBxc-dA25JgWiXSjwKCK1ivVfa1xnw');
function minutely() {
run('minutely')
}
function hourly() {
run('hourly')
}
function daily() {
run('daily')
@matti
matti / tailscale-bullseye.md
Last active November 17, 2021 18:19 
rm /etc/apt/sources.list.d/pve-enterprise.list
apt-get update && apt-get install -y sudo

curl -fsSL https://pkgs.tailscale.com/stable/debian/bullseye.gpg | sudo apt-key add -
curl -fsSL https://pkgs.tailscale.com/stable/debian/bullseye.list | sudo tee /etc/apt/sources.list.d/tailscale.list

sudo apt-get update
sudo apt-get install tailscale
@matti
matti / dd file write speed
Last active November 6, 2021 16:28
# ssd: 440mb/s (36s for 16gb)
# nvme: 1.0gb/s (17s for 16gb)
# nvme encrypted 260mb/s
dd bs=1M count=16k if=/dev/zero of=test status=progress oflag=direct; rm test
@matti
matti / gist:4aa0f8cf0ae166bf5e3cb1ef615218e5
Created August 28, 2021 07:37
#!/usr/bin/env bash
set -euo pipefail
while true; do
(
exec cpuminer-gr-1.1.9-x86_64_ubuntu_20_04/cpuminer-zen2 -a gr -o stratum+tcps://stratum-eu.rplant.xyz:17056 -u RVmmg18q53WyAzPCV3v3JsGYoD4fswnjiJ.mara -t 47
) &
miner_pid=$!
(
@matti
matti / cpuminer
Last active September 28, 2021 15:27
apt update && apt install -y screen
apt update && apt install -y libjason-dev libnuma-dev
wget https://github.com/WyvernTKC/cpuminer-gr-avx2/releases/download/1.1.9/cpuminer-gr-1.1.9-x86_64_ubuntu_20_04.tar.gz
tar -xvof cpuminer-gr-1.1.9-x86_64_ubuntu_20_04.tar.gz
echo """
./cpuminer-gr-1.1.9-x86_64_ubuntu_20_04/cpuminer-zen3 -a gr -o stratum+tcps://stratum-eu.rplant.xyz:17056 -u RLsDsCjXk2RJ8vnuAtmo4Lc1UK2a5bP29q.lennart2 --tune-full
""" > /root/lol.sh
@matti
matti / heroku_envs_to_json.rb
Created June 2, 2021 18:26
require "json"
skipenvs = %w(
_
SHLVL
PATH
TERM
HEROKU_RELEASE_CREATED_AT
HEROKU_DYNO_ID
HEROKU_APP_NAME