radavis

Using the OS X Command Line

Directory Shortcuts

~ - Home Directory
. - Current Directory
.. - Enclosing Directory
/ - Root Directory

radavis

services:
  redis:
    image: redis:6.2-alpine
    ports:
      - "6379:6379"
  postgres:
    image: postgis/postgis:13-3.4-alpine
    environment:
      POSTGRES_PASSWORD: "${POSTGRES_PASSWORD:-password}"
      POSTGRES_USER: "${POSTGRES_USER:-postgres}"

radavis

# ~/.railsrc

--database=postgresql
--skip-bundle
--skip-spring
--skip-test-unit
--skip-turbolinks
--template=/path/to/rails_template.rb

radavis

git@github.com:username/reponame.git
git@gitlab.com:username/another-repo.git

radavis

<!doctype html>
<html class="no-js" lang="en">
  <head>
    <meta charset="utf-8" />
    <meta http-equiv="x-ua-compatible" content="ie=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Foundation CDN Starter Template</title>
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/foundation/6.2.4/foundation.min.css">
  </head>
  <body>

radavis

Middleware

• HTTP Request/Response Cycle
• MVC

How does the application know how to map HTTP requests to Controller actions?

Rack::Middleware

Rails routes are a middleware that map the HTTP Verb and Path (within a HTTP request) to a Controller action.

radavis

PUID=1000 # id -u
PGID=1000 # id -g
EXTERNAL_HOSTNAME=your-hostname.duckdns.org
DUCKDNS_TOKEN="" # visit https://www.duckdns.org/ create an account, copy your token
EMAIL=your-email@somewhere.org
GITLAB_HOME=./gitlab
GITLAB_ROOT_PASSWORD=password

radavis

#! /usr/bin/env bash

# apt install tigervnc-common tigervnc-scraping-server tigervnc-standalone-server tigervnc-xorg-extension

x0vncserver \
  -display :0 \
  -geometry 1024x768+1920+0 \
  -passwordfile $HOME/.vnc/passwd
  
# stop

radavis

Windows Registry Editor Version 5.00

;swap caps-lock and escape keys in Windows
;from https://raerav.com/how-to-remap-the-capslock-and-escape-key-in-windows/

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layout]
"Scancode Map"=hex:00,00,00,00,00,00,00,00,03,00,00,00,3a,00,01,00,01,00,3a,00,00,00,00,00

radavis

ubuntu 20.10 notes

problem: "initramfs unpacking failed: Decoding failed" in sudo dmesg --level=err,warn output

try:

$ sudo nano /etc/initramfs-tools/initramfs.conf
COMPRESS=gzip
$ sudo update-initramfs -u -k all