garystafford

###############################################################################
# Helpful Docker commands and code snippets
###############################################################################

### CONTAINERS ###
docker stop $(docker ps -a -q) #stop ALL containers
docker rm -f $(docker ps -a -q) # remove ALL containers
docker rm -f $(sudo docker ps --before="container_id_here" -q) # can also filter

# exec into container

andreicristianpetcu

An Ansible summary

Jon Warbrick, July 2014, V3.2 (for Ansible 1.7)

Configuration file

intro_configuration.html

First one found from of

diego3g

{
  "workbench.startupEditor": "newUntitledFile",
  "editor.fontSize": 15,
  "editor.lineHeight": 1.8,
  "javascript.suggest.autoImports": true,
  "javascript.updateImportsOnFileMove.enabled": "always",
  "editor.rulers": [
    80,
    120
  ],

aeciopires

#!/bin/bash

#------------------------
# Authors: Aecio Pires
# Date: 13 jan 2020
#
# Objective: Update git repositories local
#
#--------------------- REQUISITES --------------------#
#  1) Install packages: git

edsoncelio

Terraform Associate Certification Tips

Concepts

• The terraform core workflow is: Write, Plan and Apply
• Terraform by default provision concurrently 10 resources: https://www.terraform.io/docs/internals/graph.html#walking-the-graph
• Resources that failed during the provisioning executing, are marked as tainted: https://www.terraform.io/docs/language/resources/provisioners/syntax.html#creation-time-provisioners
• Format of a resource block configuration:

<block type> "<resource type>" "<local name/label>"

Isadoramenezes

Terraform Certification Revision

1 Understand Infrastructure as Code (IaC) concepts

Terraform by default provision concurrently 10 resources, to change use -parallelism=n on plan, apply and destroy commands.

Terraform is an immutable, declarative, Infraestructure as Code provisioning tool.

IaC provides benefits:

• Can be versioned

amaurybsouza

rpm  (é o equivalente ao dpkg do Debian, ele que faz a base de instalação e remoção dos pacotes)
MODOS (O rpm trabalha em modos, COM 3 MODOS PRINCIPAIS (modeo de consulta, instalacao e remocao)
rpm -qa (mostra todos os pacotes instalados no sistema)
rpm -qa bash (mostra informações do que tiver o nome "bash")
rpm -qi bash (a opção i mostra informações, detalhes  do aplicativo mencionado, no caso o "bash")
rpm -ql bash (lista os arquivos que pertecem a essa instalação)
rpm -qc bash (mostra apenas os arquivos de configuração do pacote)
rpm -qd (mostra arquivos de documentação do pacote)
rpm -qf /etc/skel/.bashrc (mostra qual aplicação instalou esse pacote, esse arquivo)
rpm -qlp adobe-release-x86_64-1.0-1.noarch.rpm (lista os arquivos que estão dentro do pacote adobe)

amaurybsouza

$ ansible all -m ping -i inventory.yml
localhost | SUCCESS => {
    "ansible_facts": {
        "discovered_interpreter_python": "/usr/bin/python3"
    },
    "changed": false,
    "ping": "pong"
}