hwclock: ioctl(RTC_RD_TIME) to /dev/rtc to read the time failed: Invalid argument

This error occurred on Raspbian Jessie using an ARPI600. I was trying to set up the real-time clock. I could resolve the issue by running the following command: hwclock –systohc

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How about a Raspberry PI 2 as a firewall?

A Raspberry PI 2 performs as expected exceptionally well as a firewall. The download throughput achieved was 33 Mbits/sec under the same test conditions as the previous test (see Can

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Can a Raspberry PI be used as a firewall?

Can a Raspberry PI be used as a firewall? This question comes back often. Well, I have tested it. The test conditions are: a Raspberry PI Model B (256MB of

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Octoprint and Cura Disk Image for the Raspberry Pi (Version 2015-03-15)

Cura integrated with Octoprint brings your 3D printer to the next level. You can download from HERE a fully functional image of Cura integrated with Octoprint. Simply copy this image

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Octoprint and Cura Disk Image for the Raspberry Pi

A newer version is available HERE Cura integrated with Octoprint brings your 3D printer to the next level. You can download from HERE a fully functional image of Cura integrated

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Accessing a serial port from a web server

On most Linux distribution, it is impossible to access a serial port (ex. /dev/ttyS0) from a web server such as Apache or lighttpd using a cgi. Simply add the user

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Recording a terminal session under Linux

It is possible to record a terminal session under Linux with ttyrec. It also records vi, emacs, etc. sessions. Fisrt, install ttyrec sudo apt-get install ttyrec To start recording a

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A step by step guide to setup a Bluetooth keyboard and mouse on the Raspberry PI

A lot of people is having problem setting up a Bluetooth keyboard and mouse on the Raspberry PI. Things get more complicated when your wired keyboard or mouse does not

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Initializing A Wireless Connection At Boot Time

You can initialize your Raspberry PI wireless connection automatically at boot time if the instructions given in a previous post entitled How To Setup A Protected Wireless Connection Via The

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How To Setup A Protected Wireless Connection Via the Command-Line

Setting up a wireless connection via the command line may vary depending on the USB Wireless Interface you are using. These instructions also work for the Raspberry PI running Wheezy.

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