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image: docker:19.03.10

services:
  - docker:dind

variables:
  REPOSITORY_URL: <REPOSITORY_URL>
  TASK_DEFINITION_NAME: <Task_Definition>
  CLUSTER_NAME: <CLUSTER_NAME>
  SERVICE_NAME: <SERVICE_NAME>

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Installing Postgres via Brew

Pre-Reqs

Brew Package Manager

In your command-line run the following commands:

1. brew doctor
2. brew update

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#!/usr/bin/env python
##### USE ON YOUR OWN RISK - THIS IS GOING TO DEREGISTER AMI OLDER THAN 30 DAYS

import boto3
from dateutil.parser import parse
import datetime
age = 30
aws_profile_name = 'prod'
def days_old(date):
    get_date_obj = parse(date)

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/*
This script, when used with Google Apps Scripts will delete 500 emails and
can be triggered to run every minute without user interaction enabling you
to bulk delete email in Gmail without getting the #793 error from Gmail.

Configure the search query in the code below to match the type of emails
you want to delete
Browser to https://script.google.com/.
Start a script and paste in the code below. 
After you past it in, save it and click the little clock looking button.

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Commands
------------
1. Build Docker Image
docker build -t test .

2. Run container /w image
docker run -d --publish 8888:5000 test

3. Login to ECR
aws ecr get-login-password --region REGIONHERE!!!! | docker login --username AWS --password-stdin ACCOUNTIDHERE!!!!.dkr.ecr.REGIONHERE!!!.amazonaws.com

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#!/bin/bash

# Install prerequisites
yum install -y gcc openssl-devel libyaml-devel libffi-devel readline-devel zlib-devel gdbm-devel ncurses-devel ruby-devel gcc-c++ jq git

# Import key
curl -sSL https://rvm.io/mpapis.asc | gpg2 --import -

# Install RVM
curl -sSL https://get.rvm.io | bash -s stable --ruby

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Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000

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#!/bin/bash

(
DOMAIN="vpn.example.com"

set -eu

certbot renew -q

/usr/local/openvpn_as/scripts/sacli stop

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List of Linux networking tools

netstat (ss)

Displays contents of /proc/net files. It works with the Linux Network Subsystem, it will tell you what the status of ports are ie. open, closed, waiting, masquerade connections. It will also display various other things. It has many different options. Netstat (Network Statistic) command display connection info, routing table information etc. To displays routing table information use option as -r.

Sample output:

Proto Recv-Q Send-Q  Local Address          Foreign Address        (state)    
tcp4 0 0 127.0.0.1.62132 127.0.0.1.http ESTABLISHED

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cd ~/Downloads
# Install curl to get GPG keys
sudo apt install -y curl

# Install deb apps
wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
wget https://zoom.us/client/latest/zoom_amd64.deb
sudo apt install -y ./*.deb

# Install snap apps