carlessanagustin

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

carlessanagustin

---
- hosts: all
  gather_facts: yes
  tasks:
    - name: Update /etc/hosts
      become: true
      tags:
        - dns
      lineinfile:
        dest: /etc/hosts

carlessanagustin

import scrapy
import peewee
import re
import urllib
import cStringIO
from PIL import Image
from playhouse.db_url import connect

db = connect('mysql://root:@127.0.0.1/house')

carlessanagustin

#!/usr/bin/env bash

0. Shortcuts.

CTRL+A  # move to beginning of line
CTRL+B  # moves backward one character
CTRL+C  # halts the current command
CTRL+D  # deletes one character backward or logs out of current session, similar to exit
CTRL+E  # moves to end of line

carlessanagustin

PSQL

Magic words:

psql -U postgres

If run with -E flag, it will describe the underlaying queries of the \ commands (cool for learning!).

Most \d commands support additional param of __schema__.name__ and accept wildcards like *.*

carlessanagustin

#!/usr/bin/env bash

# Variables
APPENV=local
DBHOST=localhost
DBNAME=dbname
DBUSER=dbuser
DBPASSWD=test123

echo -e "\n--- Mkay, installing now... ---\n"