jriguera

#!/bin/bash -e
#
# Raspberry PI password recovery for arch
# The SD should be mounted on $DEV (usually sdb2)

USER=root
PASSWORD=hola
DEV=sdb2

# Creating SHA512 password for arch

jriguera

#!/bin/sh

# requires hashlimit
iptables -I INPUT -p tcp -m tcp --dport 22 -m state --state NEW \
  -m hashlimit --hashlimit 1/min \
  --hashlimit-burst 5 --hashlimit-mode srcip \
  --hashlimit-name SSH --hashlimit-htable-expire 120000 \
  -j ACCEPT

iptables -I INPUT -p tcp -m tcp --dport 22 \

jriguera

Warning!! Unsupported GPT (GUID Partition Table) detected. Use GNU Parted
To go back to the normal MBR:

# parted /dev/sda
# mklabel msdos
# quit


Or, do it in a single line:
# parted -s -- /dev/sda mklabel msdos

jriguera

#!/bin/bash

dev=$1

ping -c 1 -I $dev ifconfig.me && \
echo "Public ip: $(curl -s --interface $dev ifconfig.me/host) $(curl -s --interface $dev ifconfig.me/ip)"

jriguera

#!/usr/bin/env bash
#
# Script to connect to remote machine via ssh and export X11 via vnc using a ssh tunnel
#
# Author: Jose Riguera <jriguera@gmail.com> December 2009
# License: GNU General Public License v2 or later
#
# x11vnc must be installed on remote host
# xvnc4viewer must be installed on local host
#

jriguera

#!/bin/bash

TENANT=cf
PASSWORD=cf
TENANT_DESC="Cloud Foundry"
TENANT_EMAIL="cloud-foundry@springer.com"
TENANT_NET="10.0.1.0/24"
TENANT_NET_GW="10.0.1.1"

export OS_USERNAME=admin

jriguera

import java.io.ByteArrayInputStream;
import java.io.File;
import java.util.List;
import com.amazonaws.auth.AWSCredentials;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.util.StringUtils;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3Client;
import com.amazonaws.services.s3.model.Bucket;
import com.amazonaws.services.s3.model.CannedAccessControlList;

jriguera

#!/usr/bin/env bash

download() {
    local url="$1"
    local destin="$2"

    echo -n "   "
    if [ ! -z "${destin}" ]; then
        wget --progress=dot "${url}" -O  "${destin}" 2>&1 | grep --line-buffered "%" | \
        sed -u -e "s,\.,,g" | awk '{printf("\b\b\b\b%4s", $2)}'

jriguera

# To control the way the scheduler select the host where running a vm:
# Default value is 1.0, negative means that will pack vms on one host
ram_weight_multiplier = -1.0

jriguera

root@node-11:~# nova hypervisor-list
+----+--------------------------+
| ID | Hypervisor hostname      |
+----+--------------------------+
| 3  | node-8                   |
| 6  | node-12                  |
| 9  | node-15                  |
+----+--------------------------+