Grisson

begin(c++): Resources for C++ Beginners

General

• 🌏 The official ISO C++ Get Started! page

Primers

• 🎥 Herb Sutter: (Not Your Father’s) C++
• 🎥 Beginning with C++ by Jens Weller

Grisson

kubectl label node <node name> node-role.kubernetes.io/worker=worker

Grisson

This guide has moved to a GitHub repository to enable collaboration and community input via pull-requests.

https://github.com/alexellis/k8s-on-raspbian

Alex

Grisson

# this solution is only for ubuntu 19 on Raspberry Pi
append 
  cgroup_enable=memory cgroup_memory=1
to /boot/firmware/nobtcmd.txt

# Reboot
# then cat /proc/cmdline and cat /proc/cgroups to verify

# https://askubuntu.com/questions/1189480/raspberry-pi-4-ubuntu-19-10-cannot-enable-cgroup-memory-at-boostrap/1189542#1189542

Grisson

# Setup daemon.
cat > /etc/docker/daemon.json <<EOF
{
  "exec-opts": ["native.cgroupdriver=systemd"],
  "log-driver": "json-file",
  "log-opts": {
    "max-size": "100m"
  },
  "storage-driver": "overlay2"
}

Grisson

sudo apt update 

sudo apt install -y docker.io docker-compose libffi-dev libssl-dev python python-pip 
sudo apt remove -y python-configparser
sudo apt autoremove -y

# permission for docker (Raspberry Pi with Ubuntu(eoan))
sudo usermod -aG docker ubuntu
sudo chown ubuntu:docker /var/run/docker.sock

Grisson

#!/bin/sh

ip=$1 
dns=$2 


sudo cat <<EOT >> /etc/dhcpcd.conf
interface eth0
static ip_address=$ip/24
static routers=$dns

Grisson

#!/bin/sh

hostname=$1

# Change the hostname
sudo hostnamectl --transient set-hostname $hostname
sudo hostnamectl --static set-hostname $hostname
sudo hostnamectl --pretty set-hostname $hostname
sudo sed -i s/raspberrypi/$hostname/g /etc/hosts

Grisson

package main

import (
	"crypto/tls"
	"crypto/x509"
	"flag"
	"io/ioutil"
	"log"
	"net/http"
)

Grisson

tmux cheatsheet

As configured in my dotfiles.

start new:

tmux

start new with session name: