tomoconnor

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# vim:fileencoding=utf-8
# vim:tabstop=2

from random import Random
from optparse import OptionParser
from pydhcplib.dhcp_packet import DhcpPacket
from pydhcplib.dhcp_network import DhcpClient
from pydhcplib.type_hw_addr import hwmac

ykxpb

"""Utilities for with-statement contexts.  See PEP 343."""

import sys
from functools import wraps

__all__ = ["contextmanager", "nested", "closing"]

class GeneratorContextManager(object):
    """Helper for @contextmanager decorator."""

MohamedAlaa

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

jirutka

#!/bin/sh
#
# The MIT License
#
# Copyright 2014-2017 Jakub Jirutka <[email protected]>.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

graste

File activity

strace -e trace=file -fp PID (file) or strace -e trace=desc -fp PID (file descriptors)

Common calls:

• access
• close – close file handle
• fchmod – change file permissions
• fchown – change file ownership

mgoodness

AWS Service annotations

• service.beta.kubernetes.io/aws-load-balancer-access-log-emit-interval (in minutes)
• service.beta.kubernetes.io/aws-load-balancer-access-log-enabled (true|false)
• service.beta.kubernetes.io/aws-load-balancer-access-log-s3-bucket-name
• service.beta.kubernetes.io/aws-load-balancer-access-log-s3-bucket-prefix
• service.beta.kubernetes.io/aws-load-balancer-additional-resource-tags (comma-separated list of key=value)
• service.beta.kubernetes.io/aws-load-balancer-backend-protocol (http|https|ssl|tcp)
• service.beta.kubernetes.io/aws-load-balancer-connection-draining-enabled (true|false)

kwoods

#!/bin/bash
REGION=$(curl -s http://169.254.169.254/latest/dynamic/instance-identity/document|grep region|awk -F\" '{print $4}')
INSTANCE_ID=$(curl -s http://169.254.169.254/latest/meta-data/instance-id)
aws ec2 describe-instances \
  --instance-id $INSTANCE_ID \
  --query 'Reservations[*].Instances[*].Tags[?Key==`aws:cloudformation:stack-name`].Value' \
  --region $REGION \
  --output text

arnobroekhof

variable "object_list" {
  type = "map"
  default = {
    content1 = "this is example content 1",
    content2 = "this is example content 2"
  }
}

resource "local_file" "local_files" {
  count = "${length(var.object_list)}" # perform this action based on the amount of items in the map