theonewolf

➜ ~>cd /tmp

➜ tmp>dd if=/dev/urandom bs=8M count=640 of=test-random.bin
640+0 records in
640+0 records out
5368709120 bytes (5.4 GB) copied, 466.544 s, 11.5 MB/s

➜ tmp>mkdir test-mount

➜ tmp>sudo nbd-client -N test fog.elijah.cs.cmu.edu /dev/nbd0

theonewolf

got flush.
got flush.
+	[1416005909289892] write size: 1024
	write[1]: 1024 cumulative bytes (1024 B)
got flush.
got trim.
got trim.
got trim.
got trim.
got trim.

theonewolf

#!/usr/bin/env python

import cherrypy
from flask import Flask
from logging import ERROR, getLogger

app = Flask(__name__)

log = getLogger('werkzeug')
log.setLevel(ERROR)

theonewolf

default: off-test32 off-test64

off-test32: off-test32.c
	gcc off-test32.c -o off-test32

off-test64: off-test64.c
	gcc off-test64.c -o off-test64

theonewolf

endian-test: endian-test.c
	gcc endian-test.c -o endian-test

theonewolf

#!/usr/bin/bash

truncate -s 0 ext4-match-android.raw
truncate -s 14540582912 ext4-match-android.raw

echo ''
echo 'Create a Single Primary Partition w/ Defaults'
read

sfdisk ext4-match-android.raw << EOF 

theonewolf

➜ tmp>truncate --size 1G testswap
➜ tmp>hexdump -C testswap
00000000  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
40000000


# Note the file starts as complete zeros
# Let's find out what happens when we "create/initialize" swap space

theonewolf

#!/usr/bin/env python

from getpass import getpass
from logging import basicConfig, DEBUG, getLogger, INFO



from novaclient.v1_1 import client
from novaclient.exceptions import HTTPNotImplemented, NotFound

theonewolf

Apr  6 21:40:38 gs9671 kernel: [   43.018316] init: plymouth-stop pre-start process (2575) terminated with status 1
Apr  7 11:35:48 gs9671 kernel: [50152.946628] coda_read_super: device index: 0
Apr  7 11:35:48 gs9671 kernel: [50152.947593] coda_read_super: rootfid is (00000001.ff000001.00000001.00000001)
Apr  7 11:35:48 gs9671 kernel: [50152.947938] coda_read_super: rootinode is 1049600 dev coda
Apr  7 11:42:14 gs9671 kernel: [50538.867095] coda: Venus dead, not sending upcall
Apr  7 11:42:14 gs9671 kernel: [50538.867100] coda: Venus dead, not sending upcall
Apr  7 11:42:14 gs9671 kernel: [50538.867104] coda: Venus dead, not sending upcall
Apr  7 11:42:15 gs9671 kernel: [50540.290824] coda: Venus dead, not sending upcall
Apr  7 11:42:15 gs9671 kernel: [50540.339017] coda: Venus dead, not sending upcall
Apr  7 11:42:16 gs9671 kernel: [50540.459311] coda: Venus dead, not sending upcall

theonewolf

stuff