I've been running network services on embedded arm platforms for for more than
8 years now, and when things go wrong, had to drag around HDMI monitors to hook
up. For the last years I had a pi connected to the serial console to avoid
that.
I have been mounting all my networking and smarthome devices on a
DIN rail, and I had some small 2.2" TFT displays around for a different project.
I thought it would be nice to create a raspberry pi enclosure that included
such a display so there's a real video console on the device that can also be
used as status display.
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I have a USB connected flatbed scanner, a Canon CanoScan LiDE 110.
I need to use it more frequently these days, and figured it would be
handy if I connect it to my office-rpi and use it over the network.
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When a friend of mine showed the awesome little wooden Jukebox he made for his
kids, I loved the idea, and knew I could make a similar contraption by
recycling an old Raspberry Pi 1 I had on a shelve.
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Ssh ideas for the power user.
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For a school project early 2007 (a study of embedded Linux on the AT91RM9200
ARM9 processor) I got familiar with the GNU development tools and setup
required to run a Linux based operating system.
Using the setup described here I was able to inspect the inner workings of
Darrell loader in real time, set hardware breakpoints, step through the program
flow and inspect values of program variables while the CPU core was halted.
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My old server functioned as an internet gateway and DHCP and masquerading DNS
server. The last two are not necessary, but it's always easy if you just have
to plug you cable into the LAN, and don't have to configure your network
adapters. It also ran an Apache web server …
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Here are some screenshots (anno 2006).
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In this text I explain how to configure a Linux server so that it can be used
with a serial terminal (like the Qume qvt101). This document is not Linux
distribution-specific, and applies to any recent distribution that uses
agetty (other getty programs should work too, but program's parameters may
differ).
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Fetching POP3 mail over an untrusted WiFi public access point is dangerous, as the
password is transmitted unencrypted (in plain text). Anyone with a laptop and
a suited program can sniff your password right out of the air, along with your
email. Sending mails is also impossible most of the …
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