davedash

#!/bin/bash -e

# This script finds IAM users who have passwords but no MFA.
# Deal with them accordingly.

# Generate a report
aws iam generate-credential-report > /dev/null

# Download report.
REPORT=$(aws iam get-credential-report)

ddrown

#!/bin/sh

iptables -t mangle -A OUTPUT -m owner --uid-owner slowuser -j CLASSIFY --set-class 1:11

tc qdisc add dev em1 root handle 1:0 htb default 99
tc class add dev em1 parent 1:0 classid 1:1 htb rate 1000Mbit ceil 1000Mbit
tc class add dev em1 parent 1:1 classid 1:11 htb rate 1Mbit ceil 1Mbit prio 2
tc qdisc add dev em1 parent 1:11 handle 10: sfq perturb 10

axiak

public class MajorCompactServersJob extends AbstractJob {
  public static final String SHORT_OPT = "majorCompactServers";
  public static final String LONG_OPT = "majorCompactServers";
  public static final String DESCRIPTION = "Major compact all regions on a server or list of servers";
  
  private final HBaseAdminWrapper wrapper;
  private final SlowCompactionManager compactor;
  private final RegionLoadEstimation regionLoadEstimation;
  private final HdfsLocalityInfo hdfsLocalityInfo;
 

coderanger

How to patch Ubuntu for Heartbleed

1. sudo apt-get update
2. sudo apt-get install -y libssl1.0.0 openssl
3. openssl version -a and confirm the "built on" date is >= 2014-04-07
4. sudo lsof -n | grep ssl | grep DEL and restart all listed services.

Repeat #4 until no results are returned.

cbarraford

aptitude install -y build-essential
wget "http://downloads.sourceforge.net/project/e1000/ixgbevf stable/2.11.3/ixgbevf-2.11.3.tar.gz"
tar -zxf ./ixgbevf-*
cd ixgbevf*/src
make install
modprobe ixgbevf
sudo update-initramfs -c -k all
echo "options ixgbevf InterruptThrottleRate=1,1,1,1,1,1,1,1" > /etc/modprobe.d/ixgbevf.conf

mrflip

Tuning Storm+Trident

Tuning a dataflow system is easy:

The First Rule of Dataflow Tuning:
* Ensure each stage is always ready to accept records, and
* Deliver each processed record promptly to its destination

liutaihua

#!/usr/bin/env python
# -*-mode: python; coding: iso-8859-1 -*-
#
# Copyright (c) Liu taihua <defage@gmail.com>

"""
Usage:
    [-h|--help] [-t interval=60] [-c cluster=Nanhui] [-H prefer=hostname|IP] [-v|--verbose True|False]

Example:

kracekumar

#! -*- Coding: utf-8 -*-
from gevent import monkey
monkey.patch_all()

import gevent
import time 
from envoy import run
from sys import exit, argv
import subprocess
import pip

numan

"""
The MIT License (MIT)
Copyright (c) 2011 Numan Sachwani

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 copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:

peo3

#!/usr/bin/python

# Usage: sudo python cgroup_event_listener.py /sys/fs/cgroup/memory/hoge/memory.usage_in_bytes 263M

import sys
import os, os.path
import struct

import linux