Raspberry PI

Create a swap file on Linux

March 26, 2025 · claude Unix Ubuntu Linux +3

The simple following steps will create a swap file. Swap files are used when the operating system need more memory. It uses the swap space as memory. Its usage shall be limited, since a swap space is less efficient than memory. It will save you a...

What performance to expect using a Raspberry Pi as a firewall?

October 2, 2021 · claude Raspberry PI Raspbian RaspberryPI +2

I've tested 3 different Raspberry Pi used as firewalls at measured the performance I was getting. The Raspberry Pis are:

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

May 1, 2016 · claude Raspberry PI ARPI600 Raspbian

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 -D --noadjfile --utc after enabling it with the command echo pcf8563...

How about a Raspberry PI 2 as a firewall?

August 26, 2015 · claude Unix Raspberry PI Wheezy +1

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 A Raspberry PI Be Used As A Firewall? for more details). The CPU...

Can a Raspberry PI be used as a firewall?

August 25, 2015 · claude Raspberry PI Wheezy Networking

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

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

March 16, 2015 · claude Raspberry PI Wheezy 3D Printing +2

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 to an SD-card of 4GB or more. Instruction to copy an image on an...

Octoprint and Cura Disk Image for the Raspberry Pi

January 5, 2015 · claude Raspberry PI Wheezy 3D Printing +1

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 with Octoprint. Simply copy this image to an SD-card of 4GB or more....

Accessing a serial port from a web server

May 18, 2013 · claude Ubuntu 11.10 Unix Ubuntu 11.04 +4

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 under which the web server runs (www-data for example) to the group dialout. To do so,...

Recording a terminal session under Linux

August 12, 2012 · claude Ubuntu 11.10 Unix Ubuntu 11.04 +4

It is possible to record a terminal session under Linux with ttyrec. It also records vi, emacs, etc. sessions. Fisrt, install ttyrec

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

August 9, 2012 · claude Linux Debian Raspberry PI +1

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 work or prevent your Bluetooth dongle from working. There is hope. This step by...

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