Rambles of Ev (Page 2)

Wireless "Deauth" Attack using Aireplay-ng, Python, and Scapy

What are Deauth Attacks Used For? Before we start performing deauth attacks, let’s first get an understanding of what they can be used for. Obviously, the primary thing they can do is force stations (clients) off of a given network, causing a Denial of Service (DoS) attack. We can

Linux

How to kick everyone around you off wifi with Python

Description: This script will find the most powerful wifi interface and turn on monitor mode. If a monitor mode interface is already up it will use the first one it finds instead. It will then start sequentially hopping channels 1 per second from channel 1 to 11 identifying all access

Linux

How to Test Your Internet Speed from Command Line Using Speedtest

Install speedtest-cli Using Python Script wget --no-check-certificate -O speedtest https://raw.githubusercontent.com/sivel/speedtest-cli/master/speedtest.py chmod +x speedtest mv speedtest /usr/local/bin/

Bash

LZO Framebuffer Graphics

This is how you do it: 1. Grab a 1280×720 png 2. install imagemagick 3. instal lzop 4. open terminal and type: convert -size 1280x720 -depth 8 mysplash.png bgra:mysplash.fb lzop -f mysplash.fb -o mysplash.fb.lzo

Bash

Human Readable Squid Access Logs

Using perl you can change the time stamps so they are readable: tail -f /var/log/squid/access.log | perl -p -e 's/^([0-9]*.[0-9]+)/"[".localtime($1)."]"/e' or you can use ccze tail -f /var/log/squid/access.log | ccze -CA

Debian

Unifi on Debian

UniFi Controller APT howto edit /etc/apt/sources.list For older versions of Unifi ## Ubuntu deb http://www.ubnt.com/downloads/unifi/distros/deb/ubuntu ubuntu ubiquiti # if you're using quantal (12.04) or after, you don't need this line deb http://downloads-distro.mongodb.org/repo/ubuntu-upstart dist

Bash

How to measure packets per second or throughput on high speed network interface - Xmodulo

There are many traffic monitoring tools available on Linux, which can monitor/classify network traffic, and report real-time traffic statistics in fancy user interfaces. Most of these tools (e.g., ntopng [http://xmodulo.com/2013/10/set-web-based-network-traffic-monitoring-linux.html] , iftop [http://xmodulo.com/2012/06/how-to-install-iftop-on-linux.html]) are powered by libpcap

Config

Plex: You do not have permission to access this server

I can give you a workaround for this that I’ve used. In the jail edit the file Plex Media Server Preferences.xml file (in my case) located at: /usr/local/plexdata/Plex Media Server/Preferences.xml and add the attribute disableRemoteSecurity="1" to the Preferences element. Then give your

Bash

HowTo: Use Bash Parameter Substitution Like A Pro - nixCraft

Summary: String Manipulation and Expanding Variables For your ready references here are all your handy bash parameter substitution operators. Try them all; enhance your scripting skills like a pro: ${parameter:-defaultValue}Get default shell variables value ${parameter:=defaultValue}Set default shell variables value${parameter:?”Error Message”}Display an error message

Linux

Renaming ethernet interfaces from “p1p1″ to “eth0″

Just edit /etc/default/grub and find these lines; GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" GRUB_CMDLINE_LINUX="" Add biosdevname=0 to them; GRUB_CMDLINE_LINUX_DEFAULT="biosdevname=0 quiet splash" GRUB_CMDLINE_LINUX="biosdevname=0" Then run ‘sudo update-grub’ and reboot. Good to go!

Bash

Command Line - Set your default editor for things like crontab, visudo, etc...

One thing I hate is going in to edit a crontab or run visudo and being forced to use pico instead of my text editor of choice (vim). Here’s how to change the default editor for your system.. Open up /etc/bashrc in your favorite editor and look for

Apache2

Apache MaxClients Calculation

MaxClients: The MaxClients directive sets the limit on the number of simultaneous requests that will be served. Any connection attempts over the MaxClients limit will normally be queued, up to a number based on the ListenBacklog directive. Once a child process is freed at the end of a different request,

Linux

Get base directory of current script

if (empty($_SERVER['HTTPS']) || $_SERVER['HTTPS'] === 'off') { $protocol = 'http://'; } else { $protocol = 'https://'; } $base_url = $protocol . $_SERVER['SERVER_NAME'] . dirname($_SERVER['PHP_SELF']);

Bash

Prevent screen turning off when watching video in XBMC

We can create a shell script which would simulate mouse movement at a specified interval (only when XBMC is running) and prevent your screen from turning off. Follow the steps: Install necessary tools: We would need xdotool to do this job for us. Install it by running the following command

Bash

Start x11vnc on init based systems

If you want to start a VNC server before login on your Linux machine a good option is to make the graphical login manager start the VNC server. Create /etc/init/x11vnc: vi /etc/init/x11vnc Then paste: start on login-session-start script /usr/bin/x11vnc -xkb -auth /var/run/lightdm/

Linux

Start VNC together with LightDM

If you want to start a VNC server before login on your Linux machine a good option is to make the graphical login manager start the VNC server, in my case LightDM. This solution will restart the VNC server if you logout since the VNC server will exit on logout.

Bash

BigSmoke » Executing system commands from PHP with SUID executable.

If you want to execute system commands from something like PHP, you need a SUID executable which you can call from your PHP scripts. This is such a script. It could be extended to support parameters for the commands you want to execute, but that would be an enormous security

Bash

Extracting last "n" lines of a file that match “foo”

I want to write the last ten lines which contain a specific word such as “foo” in a file to a new text file named for instance boo.txt. You can use grep and tail: grep "foo" input.txt | tail -n 10 > boo.txt The default number of lines printed

cycling

New Bike - Specialized Roubaix Sport Compact

[http://www.evsblog.tk/wp-content/uploads/2013/09/Specialized-Roubaix-Sport-Compact.jpg] Technical Specifications:FRAMESpecialized FACT 8r carbon, FACT IS construction, 1-1/8″ to 1-3/8″ HT, compact race design, Zertz, threaded BBSWATREAR SHOCKFORK Specialized Roubaix, FACT carbon full monocoque, ZertzHEADSET1-1/8″ upper and 1-3/8″ lower Cr-Mo cartridge bearings, w/ 20mm

cycling

Multiple Ride Mapper for Strava

http://www.jonathanokeeffe.com/strava/map.php An example using my Strava uploads. [http://www.evsblog.tk/wp-content/uploads/2013/09/StravaHeatMap.png]

Programming

Python - Socket using a file

Server Program: #!/usr/bin/python # Echo server program import socket,os s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) try: os.remove("/tmp/py_socket") except OSError: pass s.bind("/tmp/py_socket") s.listen(1) conn, addr = s.accept() while 1: sock_data = conn.recv(1024) if not

Network

Remove a known network from Windows 8

Find and delete the registry keys for the unwanted networks under these locations: > HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\NetworkList\Nla\Cache\Intranet HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\NetworkList\Profiles HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\NetworkList\Signatures\Unmanaged If you don’t

IPTV

Pivos - Rebuild and Sign .img file

Finally you have to rebuild the image, to do this first compress the new image file with zip: zip -r update-unsigned.img * And then you have to sign that update-unsigned.img java -Xmx1024m -jar signapk.jar -w testkey.x509.pem \ testkey.pk8 update-unsigned.img update.img I extracted the signapk.

ESXi 5.1

ESXi 5.1 host accepts no network connections

NOTE: Check the name of your datastore and replace “datastore1” in these instructions with the appropriate name of your actual datastore.This process will get your Supermicro 1u w/ x7dca-l and 2 Xeon L5420’s running ESXi 5.1 with functional NICs, using a USB key:1) Download this file:

IPTV

Buildroot - Pivos - libamplayerm3 build error

edit package/amlogic/libamplayerm3/libamplayerm3.mk change: LIBAMPLAYERM3_SITE=git://github.com/Pivosgroup/libamplayer-m3.git to LIBAMPLAYERM3_SITE=git://github.com/j1nx/libamplayer-m3.git and rm -rf dl/git/libamplayerm3