Monitorix 3.8.1 Released – A Lightweight System and Network Monitoring Tool for Linux

Monitorix 3.8.1 Released – A Lightweight System and Network Monitoring Tool for Linux

Source: Monitorix 3.8.1 Released – A Lightweight System and Network Monitoring Tool for Linux

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Glances – An Advanced Real Time System Monitoring Tool for Linux

Glances is a cross-platform curses-based system monitoring tool written in Python language which use the psutil library to grab informations from the system.

Source: Glances – An Advanced Real Time System Monitoring Tool for Linux

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A Shell Script to Monitor Network, Disk Usage, Uptime, Load Average and RAM Usage in Linux

This small shell script will help you to monitor your most of the Linux server information like Network, Users, Load, Ram, host, Internal IP, External IP, and more.

Source: A Shell Script to Monitor Network, Disk Usage, Uptime, Load Average and RAM Usage in Linux

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Upgrading to an after market car stereo system – 2007 Chevrolet Impala

I upgraded to an after market car stereo for the 2007 Chevy Impala and this is how I did it.

This is primarily written for the 2007 Chevy Impala since they don’t have +12volt ignition wire located in the wire harness.

  1. Chevrolet Impala 07 Stereo Removal Instructions https://www.youtube.com/watch?v=Dv_poinoFTk
  2. Know what the wires do http://www.modifiedlife.com/2007-chevrolet-impala-car-radio-wiring-color-codes/
  3. Retained Accessory Power (RAP) source in a 2007 Impala

The RAP* fuse is the red horizontal fuse in the picture below. Just above the two silver   circuit breakers. You will want to tap this to use as your radio’s 12v accessory wire. It is located in the fuse box on the lower, right passengers side near the passenger doorDSC07017

4. You will need purchase the products listed below and then install per product instructions.

5. Go to step 1. and follow instructions in reverse order.

**NEW INFORMATION** Here is a device for chime retention and switched 12 volt accessory. For 2006-2007 Impala:

Metra Axxess GM LAN Data Bus Interface with Chime Retention http://www.amazon.com/gp/product/B0049MV2IY?psc=1&redirect=true&ref_=oh_aui_detailpage_o00_s00

Metra Axxess GM LAN-** http://www.crutchfield.com/shopsearch/Metra_Axxess_GM_LAN_Data_Bus_Interface.html

I hope this will help you guys out.

*Retained Accessory Power (RAP) Power Mode

Retained accessory power (RAP) is a power mode that permits the operation of some accessories for up to 10 minutes after the ignition switch is turned OFF. The RAP power mode is enabled by the body control module (BCM).

The BCM:

– Controls certain body functions.
– Sends out a class 2 message via the serial data link, which enables/disables other modules at the beginning/end of the RAP power mode.
Some BCM features, such as the interior courtesy lamps will function after the 10 minute RAP time limit has elapsed. This is normal, and does not mean the RAP power mode is malfunctioning. The BCM enables the following functions in the RAP Power Mode:

– The windshield wipers and washer through the RAP/adaptive cruise control (ACC) relay.
– The right and left power windows through the RAP/ACC relay.
– Any class 2 module that functions in RAP power mode and is not connected to the RAP/ACC relay, is controlled by the BCM via class 2 power mode messages. EXAMPLE: The radio works in RAP power mode because the BCM sends it a class 2 message telling it that the power mode is RAP.

RAP is disabled when:
– A door is opened.
– Low battery voltage is detected by the BCM.
– The ignition switch transitions from OFF to ON or ACC.
– 10 minutes have elapsed after the ignition was turned OFF.

The BCM monitors the ignition switch position, battery voltage and passenger compartment door status to determine whether RAP power mode should be enabled. If the ignition switch transitions from ON to OFF, the battery voltage is within the acceptable range, and the passenger compartment doors are closed, the BCM enables RAP power mode. After 10 minutes have elapsed, the BCM sends a class 2 message to the serial data network. This message commands the other modules that are power moded by the BCM to stop functioning.

RAP/ACC Relay
The BCM controls the RAP/ACC relay coil circuit using low side drive. The output of the relay is used to supply battery voltage to the windshield wipers and power windows. The RAP/ACC relay also provides voltage to the windshield wipers and power windows when the Accessory and Run power modes are selected.

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Use your Raspberry Pi as an always-on BitTorrent box

In this tutorial we will turn our Raspberry Pi into an always-on BitTorrent box. This will let you have a small, power efficient, torrent server running around the clock.

Why is this a good idea?

A lot of companies offer to download their software and/or files using torrents, and when you downloaded the installer for your Raspberry Pi OS, you could also do this as a torrent.

If you are downloading and/or sharing a lot of files using torrents (legally of course), you might have a dedicated machine, or even your laptop, running for long periods of time solely for this purpose. This can be very power consuming, and that’s why the Raspberry Pi is perfect to use as a dedicated torrent box that can run 24/7. Compared to a laptop or stationary computer, the Pi is very power efficient.

 

Prerequisites

This tutorial uses a Raspberry Pi running RaspBMC as an example system, but you can also use Raspbian. In order proceed I assume that you:

  1. Have a Raspberry Pi running either Raspbian or RaspBMC.
  2. Are able to remotely access your Pi using SSH.
  3. Have some sort of storage connected where you can save files.

If you need help getting started with any of these, you can find more information here:

  1. Getting started with Raspberry Pi – Part 1
  2. Getting started with Raspberry Pi – Part 2 (SSH etc)
  3. Mount a network drive on your Raspberry Pi

 

Installation

Before we start, let’s make sure we have the latest repositories and that our system is up to date:

sudo apt-get update && sudo apt-get upgrade -y
Install and setup Deluge daemon and console
sudo apt-get install deluged
sudo apt-get install deluge-console

Once it is installed, we want to start Deluge and then stop it again. This will create the default configuration files we need.

deluged
sudo pkill deluged

Now we have the configuration files we need, and we will edit one of them. Open and edit the ~/.config/deluge/auth file and add the following to the end of the file:

echo "username:password:level" >> ~/.config/deluge/auth

Where user and password are the credentials you want to use for remote access to Deluge, and the level is the access level you want to give that user. You should put this to 10 (which is the full-access/admin level for the Deluge daemon). As an example, I use pi:raspberry:10.

Start the Deluge daemon again, and the Deluge console:

deluged
deluge-console

This will bring up the Deluge console window, where we will make some changes to the configuration. Inside the Deluge console, type the following:

config -s allow_remote True
config allow_remote
exit

On the first line we enable remote access to our Deluge daemon, and on the second line we simply double-check that the value is correctly set to True.

Now we have to restart the Deluge daemon again to make the new configurations take effect:

sudo pkill deluged
deluged

Now that the Deluge daemon is ready for remote connects, it’s time to install a client on our that we can connect to the daemon.

 

Install and setup Deluge client

In order to connect to the Deluge daemon running on the Pi, we need to install the Deluge client on our computer:

  • Ubuntu
  • Windows / Mac

If you’re running Ubuntu on your PC, you can install the Deluge client with the following command:

sudo apt-get install deluge

If you are running other Linux distros you can download the necessary package from the official Deluge download page.

Once you have installed the client, start it. The first time we run the client, we have to make a few quick changes. Go to Preferences -> Interface. Under the submenu Classic Mode there’s a checkbox named ‘Enable’. This is checked by default, we need to uncheck it.

Click OK, and restart the client.

Now that the client starts, you will be presented with the Connection Manager. This is where we need to create a connection to the Deluge daemon running on the Pi. Click Add in order to create a new connection, and input the IP of your Pi as well as the username and password that you set for the daemon in the previous section. Leave the port to 58846 as this is the default port.

Once you click add, you will get back to the connection manager and you should see your connection:

Select it and click Connect. Now you are connected to you Deluge daemon on the Pi! We don’t don’t have any torrents there yet, but we’ll get to that soon.

 

Configure Deluge to use a proxy

Although this section is optional, it is highly recommended that you use a proxy to protect your BitTorrent traffic. There are several reasons why you should use a proxy to shuttle your traffic, and even though you’re not downloading anything illegal it is still better to be safe than sorry. If you want to be anonymous on the Internet, a proxy will help keep eavesdroppers away. By default, Deluge also encrypts all traffic which is good if your ISP is throttling BitTorrent traffic.

If you are suspecting you ISP of throttling your BitTorrent traffic, this tool can help you detect if this is the case.

I am using Private Internet Access as a proxy, and it’s fairly cheap for what you get ($39.95/year). You are of course free to use any service you like, and it’s up to you if you trust using a free service.

Once you have a proxy that you can use, we have to configure Deluge to shuttle the traffic through this proxy. To do this, open Preferences -> Proxy. Set all sections to ‘Socks5 W/ Auth’ and input your credentials. If you are using Private Internet Access’ proxy, the host is proxy-nl.privateinternetaccess.com and the port 1080.

In order for the changes to take effect, we need to restart the Deluge daemon on the Pi:

sudo pkill deluged 
deluged

You will have to reconnect to the Daemon from the client as well.

Test it

Now it’s time to test that the proxy is setup correctly. We will do this by downloading a completely legal torrent from TorGuard.net. Download the torrent, add it to your queue, and select it to see the IP through which your client is connected. If everything is setup correctly you should see the IP of your proxy instead of your own IP (see the bottom of the picture below).

 

Configure download folders

Now it’s time to setup the folders where Deluge should download your files. By default, the files will be saved to /home/pi, and this will probably fill up your Pi’s SD card pretty quickly. Instead we are going to save our files to an external storage.

I am using a network drive that I have mounted to /media/network/, but you can use any storage device you like. Just make sure you have permissions to write to it. Mount an SMB network drive on Raspberry Pi will show you how to use a network drive with your Pi.

We are going to create three new folders that we’ll use for Deluge:

.downloading – this is where the active downloads will exist
.completed – once finished downloading, all files will be moved to this folder
.watch – Deluge will watch for newly added .torrent files in this folder, and automatically start them

Decide where you want to create the folders (I have chosen to create these in /media/network/Public/), and run:

sudo mkdir /media/network/Public/.downloading
sudo mkdir /media/network/Public/.completed
sudo mkdir /media/network/Public/.watch

Now open the Preferences -> Downloads section in the client and set the folders to the ones you just created.

You don’t have to restart anything this time.

Test everything

Now we can test that everything is working as it should. Let’s download a large enough file to make sure it runs smoothly, the latest release of Raspberry Pi NOOBS installer (roughly 1.3GB) should be sufficient: NOOBS Latest

Instead of adding it manually through the client, you can try saving the .torrent file to the .watch folder to make sure Deluge starts it automatically.

 

That’s it! Now you have your very own always-on BitTorrent box running on your Raspberry Pi.

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Implementing Single Sign On for Windows with Apache 2.4.x

Implementing Single Sign On for Windows with Apache 2.4.x

* Grab the apache module mod_authnz_sspi from SourceForge

Grab the apache module mod_authnz_sspi from https://www.apachehaus.net/modules/mod_authnz_sspi/.

Unzip the module, and add the files from the bin location to the apache bin folder, and the files from the module folder to the module folder (Apache folder will be something like C:\Programs\Apache\modules).

Make sure you download the right version for your apache install (x64 and x86).

Add the following lines to your Apache configuration file (httdp.conf) – add this at the end of the module configuration:
Load Module sspi_auth_module modules/mod_authnz_sspi.so

Also make sure to uncomment:
LoadModule authn_core_module modules/mod_authn_core.so
LoadModule authz_core_module modules/mod_authz_core.so

* Add a directory block


Options Indexes FollowSymLinks

AllowOverride None
#sspi_auth_module changes – start
Order allow,deny
Allow from all
AuthName “ForLogging”
AuthType SSPI
SSPIAuth On
SSPIAuthoritative On
SSPIOfferBasic On
SSPIOmitDomain Off
Require valid-user
#sspi_auth_module changes – end

This was successfully installed while using:

Windows Server 2012
MySQL 5.6.25
PHP 5.6.0
Apache HTTP Server 2.4.12

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THERE HAS BEEN AN ERROR CROPPING YOUR IMAGE.

“There has been an error cropping your image.” error in WordPress when I tried to crop an image for theme header.

The solution is surprisingly easy.

sudo aptget install php5gd

This will install the PHP GD library for image processing.

NOTE: You may need to restart apache server for it to come into effect.

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