HowToInstallRrdtoolOnWindows7Making Electricity Usage Graphs with the Current Cost device. This page shows how I set up a Current Cost device to monitor my home power. Am I the first non IBM Hursley. I wonder. Youll need the following things. A Current Cost device and clamp meter. A serial cable that fits the current cost device. E_AAVrBdl1h5dH8iutbW2gP4og=/2015/07/30/2492fcfb-1ac7-4741-9514-e3806b0ebc0f/2.jpg' alt='How To Install Rrdtool On Windows 7' title='How To Install Rrdtool On Windows 7' />A Linux box or virtual machine to log the data, e. Ubuntu, Debian, etc. Perl. RRDtool. Apache and PHP if you want to present things nicely. Physically installing the Current Cost device. Slurm is an opensource workload manager designed for Linux clusters of all sizes. Its a great system for queuing jobs for your HPC applications. Im going to. Phpgdjpeg phpyum php. An interesting article to install and setup Cacti Network Monitoring System on Ubuntu 16. ISBN 098230613X ISBN 13 9780982306130 Library of Congress Number 2014903997 828 pages Perfect Bind 7. PD 214. New Install Next. Ive compiled 25 performance monitoring and debugging tools that will be helpful when you are working on Linux environment. This list is not comprehensive. D-YikrZqfbY/0.jpg' alt='How To Install Rrdtool On Windows 7' title='How To Install Rrdtool On Windows 7' />Directory of hundreds of tools for monitoring and analyzing network traffic. How to build the PHP rrdtool extension by hand Pingback IONCANNON PHP RRDTool tutorial. Scott November 22, 2006 at 434 pm. If you havent already done so, follow the instructions that came with your Current Cost device, installing the clamp meter. Now turn on the base unit to check that its correctly receiving. As the base unit. Now you can use the serial cable to link your Current Cost device to your computer. I bought my cable. Bay and it arrived a couple of days later. Perl script to read XML from the Current Cost device. CentOS is installed in textmode using the CentOS6. LiveCD. iso image on a VirtualBox VM in my case Firewall ports 22 and 80 have been opened by the. LAMP is an archetypal model of web service stacks, named as an acronym of the names of its original four opensource components the Linux operating system, the. Ultimately, I wanted to produce graphs of my electricity usage and display them from a web server. I therefore chose to set everything up inside an Ubuntu Linux virtual machine, which I use for general. As the host machine was running Windows, I forwarded the COM1 port from the host. VM. Unfortunately, the first serial cable I bought was faulty. This proved to be somewhat annoying, as I had never dabbled with serial ports before, and so it took me. VM. Fortunately, the manufacturer promptly dispatched a replacement cable, which worked just fine. My Current Cost device is the older variety, which only speaks at 2. The slow speed is not really a problem, as it only spits out a small amount of data every 5 seconds or so. An easy way to test whether it works properly is to fire up Hyper. Terminal on Windows and connect to. COM port at 2. 40. If the cable is working properly, you should see stuff. CC0. 2lt name lt id 0. Note that the above is sent as a single line of text, which makes it easy. There. is no need to send any data to the device it just spews this. Use CPAN or your favourite package manager to install the Device Serial. Port. Perl module. You will need this in order to set the serial port speed to. If you want to try this on Windows, you can use the. Win. 32 Serial. Port module. To install the Device Serial. Port module directly from CPAN. MCPAN e shell. Then type. Device Serial. Port. Now you can actually write some code to read the data from the device. Reads data from a Current Cost device via serial port. Device Serial. Port qw PARAM STAT 0. PORT devtty. S0. my ob Device Serial. Port newPORT. SERIAL, PORT. SERIAL. if line mlt ch. When you run this script, it will open the first serial port and print out. Current. Cost device. Leading zeros are removed from the power value. Update If youre using the USB interface instead of the serial cable. Jamie Bennett has described the 2 tweaks you need to make to the above. Current. CostUbuntu. Id also like to thank Jonathan Leach and his extremely cold server room. XML contains a leading space ahead of the temperature. C Creating a Round Robin Database with RRDtool. This was the first time Id used RRDtool, but I found it to be a rather. As the Current Cost device provides me with both the power usage and the temperature. I wanted to set up an RRD with two data sources DS, and enough Round Robin. Archives RRA to let me produce accurate graphs over periods ranging from. RRDtool is the Open. Source industry standard, high performance data logging and graphing system for time series data. If your package repository is up to date, installing RRDtool and its prerequisites is easy apt get install rrdtool. I shall not explain how to use RRDtool here thats a job for the rrdtool documentation. However, here is the rrdtool create command I used to set up my RRD. DS Power GAUGE 1. U. DS Temperature GAUGE 1. U U. RRA AVERAGE 0. RRA AVERAGE 0. 5 6 3. RRA AVERAGE 0. 5 3. RRA AVERAGE 0. 5 1. RRA AVERAGE 0. 5 1. RRA AVERAGE 0. 5 4. RRA AVERAGE 0. 5 5. RRA AVERAGE 0. 5 5. RRA MIN 0. 5 1 3. RRA MIN 0. 5 6 3. RRA MIN 0. 5 3. RRA MIN 0. RRA MIN 0. 5 1. RRA MIN 0. RRA MIN 0. 5 5. RRA MIN 0. RRA MAX 0. 5 1 3. RRA MAX 0. 5 6 3. RRA MAX 0. 5 3. RRA MAX 0. RRA MAX 0. 5 1. RRA MAX 0. RRA MAX 0. 5 5. RRA MAX 0. This creates a fixed size RRD about 1. MB, which will be used to store all. It assumes data is sampled every 5 seconds and also logs the maximum. If no data is. added to the RRD for more than 1. Adding power and temperature data to the RRD with rrdtool update. The rrdtool update command can be used to add data to the RRD. If you read a. value of 2. W and 2. 1. 3. C from the Current Cost device, you can add this to. RRD like so. rrdtool update powertemp. N 2. 70 2. 1. 3. Note that this operation is timestamped with the current time N means now. Modify your Perl script to run this rrdtool update command with the watts and temp values. RRDp cmd package to update the RRD. Create power and temperature graphs from RRDtool. Leave your Perl script running for a few minutes and you should end up. Im going to produce these as PNG. I can write directly to the default web server. Lets start by making a simple graph that shows the average power usage. Watts lower limit 0. DEF Powerpowertemp. Power AVERAGE. LINE3 Power0. FF AverageNote that the Y axis is labelled with Watts and the minimum value for. The line is given a thickness of 3 and will be blue. Hurrah Incidentally, this crazy graph results from using my washing. My next project will involve generating random numbers from my. Because RRDtool can only sensibly display average values over larger time. I wanted to show the range as a transparent filled area. This command does just that for the. Watts lower limit 0. DEF Powerpowertemp. Power AVERAGE. DEF Power. Minpowertemp. Power MIN. DEF Power. Maxpowertemp. Power MAX. CDEF Power. RangePower. Max,Power. Min,. LINE1 Power. Min. AREA Power. Range0. FF1. 1 Error Range STACK. LINE1 Power. Min0. FF3. 3 Min. LINE1 Power. Max0. 00. 0FF3. 3 Max. LINE1 Power0. 00. FF Average. Note the CDEF, which defines a new value, Power. Range, which is calculated. MAX and MIN values stored in the RRD using. Reverse Polish Notation. The first. LINE is invisible has no colour, and then the Power. Range value is. STACKed on top of the minimum and filled in with a transparent blue colour. FF1. 1 note that the 1. Then we draw lines to show the MAX and MIN. This ends up looking somewhat like this This graph shows that my house is constantly using about 2. W of power. nearly all the time. This can be attributed to the quad core VM server that. How To Uninstall Accuweather Widget Desktop. I leave running all the time, my network switch, wireless router, freezer. The 0. 5k. W plateaux are where I have turned on another. LCD television at the same time. The very large spikes. All you have to do now is create an rrdtool graph command for. Example graphs. Heres an example of what it might look like when youre done. Note that on the daily view, you can clearly see my freezer turning on and. Then you can sit back and be amazed at how much electricity you waste. Search this site. Copyright Paul Mutton 2. Feedback welcomed.