Josh Bundt wideglide

transferring files across the network, with progress

PUSH

tar cf - ./* | pv -pterb -s 1024M | ssh -o Compression=no -C user@host tar xf - -C /home/user/

PULL

Install dependencies

yum install epel-release wget curl
yum -y intall tftp-server dhcp lighttpd

Configure web server

service lighttpd start
chkconfig lighttpd on

ipmitool

useful things to do with ipmitool ipmi_on_centos

Install / use ipmitool with CoreOS

core@localhost ~ $ sudo modprobe ipmi_si ipmi_devintf
core@localhost ~ $ toolbox --bind=/dev/ipmi0
[root@localhost ~]# dnf install ipmitool
[root@localhost ~]# ipmitool chassis power status

run command against multiple hosts, sudo with password required

#!/bin/bash

echo -n "current password [ENTER]:"
read PASS

for i in {1..64}; do
 ssh -t -oStrictHostKeyChecking=no 10.0.0.$i &lt;

Keybase proof

I hereby claim:

I am wideglide on github.
I am wideglide (https://keybase.io/wideglide) on keybase.
I have a public key ASCAUQOs5tVMOC2GASAWkemCESRQ-lT55tkyxprpI3OBJAo

To claim this, I am signing this object:

Create 10MB file filled with NULL bytes

$ dd if=/dev/zero of=/tmp/blank_ext2.img bs=512 count=20480
20480+0 records in
20480+0 records out
10485760 bytes (10 MB, 10 MiB) copied, 0.132602 s, 79.1 MB/s

Create a EXT2 filesystem inside the blank file (default options).

	from pwn import *
	import sys
	from struct import pack

	# challenge specific
	FILE = './syscaller'
	SVR = 'chal1.swampctf.com'
	PORT = 1800

	# set up environ

	#!/usr/bin/env python
	from pwn import *
	import argparse
	from struct import pack

	# challenge specific
	FILE = './syscaller'
	SVR = 'chal1.swampctf.com'
	PORT = 1800


	version=1
	encoding="UTF-8"
	CID=fffffffe
	parentCID=ffffffff
	isNativeSnapshot="no"
	createType="monolithicFlat"

	RW 1 FLAT "cce4a5127f0ae2f86bd050a45badb85160597571.binary" 0

	#include <idc.idc>

	static main() {
	Batch(0);
	Wait();
	RunPlugin("zynamics_binexport_9", 2);
	Exit(0);
	}