If you run fix-splash on a backtrack installation and get:

$ sudo fix-splash
[*] Fixing Initrd
[*] Extracting Initrd
181100 blocks
cpio: File ./initrd grew, 46361600 new bytes not copied
181100 blocks
[*] Reboot and bask in the joys of BootSplash

The fix is really simple…..

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Lets face it, John the Ripper has been around a long time and the reason its been around a long time is because its damn good at cracking passwords.  Yea, hashcat and oclhashcat are great for gpu cracking, but it doesn’t support as many algorithms as JTR.  So, imagine my surprise when I fire up John The Ripper on backtrack 5 64 bit and find out it is using a single CPU.  That is letting a potential 75% of my system sit there wanting to do something.  Luckily the fix is easier than fixing a sandwich.

If you already have jtr installed, you may want to see my john tips article.

First, lets grab the jumbo sourcecode….

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I created this because I always forget the command to enumerate snmp and I am often too lazy to read man pages :)

#!/bin/bash
 
# By Ed Wiget
# This script takes an input ip or domain and performs a snmpwalk using common community strings
# 20120204 - initial script
 
function proghelp (){
	echo ""
	echo ""
	echo "Help:"
	echo "./eds-smtpwalk.sh ip_address"
	echo ""
	echo "Example:"
	echo "./eds-smtpwalk.sh 127.0.0.1"
	echo ""
	echo ""
}
 
if [ $# -ne 1 ]
then
clear
proghelp
exit
fi
 
# set up the first input value
if [ "$1" == "" ]; then
 
        echo "What is the ip address to query?"
        read SVRIP
else
        SVRIP=$1
fi
 
if [ -f wordlist-common-snmp-community-strings.txt ]; then
	for COMSTG in `cat wordlist-common-snmp-community-strings.txt`
		do
# removed below in favor of auto list
# set up the second input value
#if [ "$2" == "" ]; then
#        echo "What is the community string?"
#        read COMSTG
#else
#	COMSTG=$2
#fi
 
		snmpwalk -v2c -c ${COMSTG} $1 system
	done
 
else
 
echo "wordlist-common-snmp-community-strings.txt does not exist.......fetching now......please wait"
echo ""
wget http://fuzzdb.googlecode.com/svn/trunk/wordlists-misc/wordlist-common-snmp-community-strings.txt
echo ""
echo "please run again....."
fi

 
#!/bin/bash
 
# By Ed Wiget
# This fixes dropbox sync issues on linux
 
# get a list of files executable now
find ~/Dropbox -type f -perm -u+x > /tmp/dropbox_files-`date +%Y%m%d`
 
# fix the permissions
sudo chown -R $USER ~/Dropbox
sudo chmod -R u+rw ~/Dropbox
sudo chown -R $USER ~/.dropbox
sudo chmod -R u+rw ~/.dropbox
 
# remove any conflicting files from the file list above step 1
grep -v -e "conflicted copy" -e "Case Conflict" /tmp/dropbox_files-`date +%Y%m%d` > /tmp/dropbox_files-`date +%Y%m%d`.txt
# set the executable permissions back
for files in `echo /tmp/dropbox_files-\`date +%Y%m%d\`.txt` ; do chmod u+x "${files}" ; done
 
# remove any files that are in conflict
find ~/Dropbox -type f -name \*"conflicted copy"\* -exec rm -f "{}" \;
find ~/Dropbox -type f -name \*"Case Conflict"\* -exec rm -f "{}" \;
 
# remove temp files
rm -f /tmp/dropbox_files-`date +%Y%m%d`
rm -f /tmp/dropbox_files-`date +%Y%m%d`.txt
Sometimes you will run into an issue where you have multiple computers that mysteriously stop syncing with dropbox. What I have found is it is almost always caused by 1 of 2 things……file permissions, conflicts. I have 8 devices syncing to my dropbox, and every single one of them are linux except for one. It seems as though anytime I use my sole Windows computer to add something to dropbox….the others mess up. I suspect an issue with linux file permissions and windows ntfs drives.

Anyways, this script will fix the problems. Make sure you adjust the path if your linux install does not have dropbox at ~/Dropbox.

 

One of the easiest ways to set up a subversion server that is lightweight is to use an existing linux server with sufficient free space available to hold your repositories.  This is much more lightweight because it really doesn’t require any additional software or services, outside of subversion which is likely already installed if you use the svn client; and ssh which is probably already installed and running.

I will give the steps I used for centos, but it will work with other linux distributions if you apply the correct package management steps (pacman, apt-get, yum, emerge, etc):

First, make sure we have subversion and openssh installed:

yum install subversion openssh-server

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clusterssh

I have been using cluster ssh on and off for some time now but I have never written about it.  So first, let me tell you what my definition of it is……a huge time saver for multiple like tasks that need completed across many servers or systems.

As an example, lets say a critical update comes in and it affects 25 web servers, a lot of people will log into each web server, perform the update, log out, go to the next one, etc until completed.  That’s a huge waste of time….assuming it takes 5 minutes to log in, run the update, log out, log into the next one….that is 25 x 5 or roughly 125 minutes, slightly more than 2 hours.

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I am finally going to add this to an article, even though I have had this 1rst generation ipod touch since release day and have used it with Linux since day 1……

To use your ipod with fluxbox requires three packages.

sudo apt-get install gtkpod libimobiledevice-utils libimobiledevice1

You then have to mount your ipod touch and since fluxbox doesn’t really have a way to do that….I made a script:

#!/bin/bash
#
# mount ipod touch script by ed wiget
sudo /usr/local/sbin/usbmuxd -v -u &
DETECTED="echo -e `ideviceinfo` | wc -l"
#echo -e "is it ok to continue with the mount command?"
#read answer
#if [ $answer == 'y' ]
if [ ${DETECTED} -ge 1 ];
	then
		echo "ipod detected...mounting"
		ifuse /media/ipod
	else
		echo "ipod detection failed....exiting"
		exit
fi

After it is mounted, you can then run gtkpod and it should auto detect it.  It will create a database of the song hashes.

During usage, if you receive an error with gtkpod during song export that says:

CRITICAL **: transfer_track_glist_between_itdbs: assertion `!new_tracks' failed
Segmentation fault

Restart gtkpod, select the playlist you were exporting and on the export dialog box, uncheck “Check for duplicates”.  Now exporting will work.

 
fluxbox basic

I don’ t really care for the bloated kde or gnome desktops, especially on a netbook with limited memory.  I have pretty much always been a fluxbox user since about 2003 or so.  Over the years my configuration changes, partially because the way I do things changes.  This means my fluxbox environment changes….but not too often.  What bothers me is that sometimes I will lose the latest file for my fluxbox environment, as I often tweak it every couple of days.  This used to be the case, but now pretty much everything goes to external backup in real time.  But many people ask me about my fluxbox because it does look pretty damn nice, its very functional, and my entire computer runs in about 200MB of memory.  So without further wait, here it is, complete with config files.

The first image below shows my fluxbox desktop.  The middle image shows fluxbox with the slit showing that I have set to auto hide so its not viewable in the first image.  The third image shows tmux running inside of an Eterm with two splits shown.  I just started using tmux and it allows you to have multiple windows inside of a console or term window (sort of how you can split horizontally or vertically inside of terminator).  I use the default bind keys in tmux, so not really anything I can tell you about it outside of providing you this link to the tmux cheat sheet.

# Updated 20111210 - several people asked about what I used on my desktop or laptops, since I sort of stupilated I didnt like bloated wm’s on my netbook, and fact is, I still use fluxbox with the exact same config.  Below are two screenshots from my Quad core desktop with 16GB memory and 1TB raid 0 drives (Images 4 and 5 in the gallery below)

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5

Over the years, I have tried various methods to get more life out of a laptop battery.  I generally always buy a higher capacity battery.  So my current laptop was getting about 3 hours out of a full charge and I was happy with that but lately it has dropped considerably…to about 1 hour.  Usually when I am on the road or away from home, I have my netbook which gets about 9 hours of actual battery time while working.  I wish I had a way to get that kind of battery time out of my full size laptop.

I started looking through old scripts I had from a couple years ago (I replace my laptops every two years), I found these scripts I use for management of power settings.  This has drastically increased the battery time, up to near 3 hours again.  So, I don’t know if some recent kernel update (that I did about two weeks ago) was what was killing battery time or not.

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….I can assure you, if I can’t do it in bash, it doesn’t need to be done…..the other side of the argument was, well, bash isn’t multi-threaded…..hahahahaha …..really??? Run this……

#!/bin/bash
 
set -m # Enable Job Control
trap '' 2 # disable ctrl + c so you can't stop this bitch
rand=${RANDOM} # lets find some big random number
 
let POWEROFTWO=${rand}**2 # and since its not big enough, make it ^2
 
	for i in `seq ${POWEROFTWO}`; do # start HUGE num jobs in parallel
		echo "99999999999^99999999999" | bc
		sleep 1 &
	done
 
# Wait FOREVER for jobs to finish cause you can't stop me now nemo
while [ 1 ]; do fg 2> /dev/null; [ $? == 1 ] && break; done

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