alexeldeib

apiVersion: v1
kind: ConfigMap
metadata:
  name: imagecleanupconfig
  namespace: default
  labels:
    component: imagecleanup
data:
  # removes all images unused by a running container
  cronjobs: 0 0 * * * crictl rmi --prune 2>&1

kaaquist

Podman with docker-compose on MacOS.

Podman an alternative to Docker Desktop on MacOS

Getting podman installed and started is super easy.
Just use brew to install it.

> brew install podman

Now since podman uses a VM just like the Docker Client on MacOS we need to initialize that and start it.

MaxymVlasov

[get-mfa]
aws_access_key_id = XXXXXXXXXXXXXXXXXXXX
aws_secret_access_key = XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

pohzipohzi

WAL-G PITR

This gist summarises a way to simulate point-in-time recovery (PITR) using WAL-G. Most of the material is adapted from Creston's tutorial.

Setup

First we initialize a database cluster

pg_ctl init -D cluster

rcherara

Install Minikube with virtual-box VM driver

$ brew update && brew install kubectl && brew cask install docker minikube virtualbox
$ brew cask reinstall minikube
$ minikube delete
$ rm -fr ~/.minikube/

fracasula

package main

// Here's a simple example to show how to properly terminate multiple go routines by using a context.
// Thanks to the WaitGroup we'll be able to end all go routines gracefully before the main function ends.

import (
	"context"
	"fmt"
	"math/rand"
	"os"

PhilipSchmid

Interface bonding

Configure a LACP active network interface bonding on Ubuntu 18.04 using netplan:

root@srv01:~# mv /etc/netplan/50-cloud-init.yaml /etc/netplan/01-netcfg.yaml
root@srv01:~# cat /etc/netplan/01-netcfg.yaml 
network:
    version: 2
    renderer: networkd
 ethernets:

exocode

#cloud-config
resize_rootfs: false

disk_setup:
  /dev/sda:
    table_type: 'mbr'
    layout:
      - 25
      - 75
    overwrite: true

petarnikolovski

# Fail2Ban configuration file
#
# NOTE
# You should set up in the jail.conf file, the maxretry and findtime carefully in order to avoid false positives.
#
# Author: http://www.go2linux.org
# Modified by: samnicholls.net
#    * Mon 6 Jun 2016 - Updated failregex to capture HOST group correctly

[Definition]

pydevops

• 0.1. References
• 0.2. Other cheatsheets
• 0.3. Manage multiple gcloud config configurations
  • 0.3.1. Switch gcloud context with gcloud config
• 0.4. Credentials
• 0.5. info
• 0.6. projects
• 0.7. zones & regions
• 0.8. Organization
• 0.9. billing