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1500 questions
58
votes
5 answers
Using the Raspberry Pi as a router?
Has anyone used their Raspberry Pi as a routing device?
Mainly I want to use it to monitor my network, and it would be great if it had an input and output for Ethernet, but it doesn't, so I am wondering if it is very effective to monitor the network…
clifgray
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58
votes
5 answers
SSH not working with fresh install
I recently liberated an old model B from the loft, put NOOBS on an SD card, and installed the latest version of Raspbian on it. I booted it up, attempted to SSH to it from my Mac, but got:
ssh: connect to host 192.168.1.248 port 22: Connection…
Pezholio
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58
votes
4 answers
Emulation on a Linux PC
How can I connect an SD card containing a Raspberry Pi OS to my Linux PC, and boot the OS in an emulator?
Why won't VMWare work?
What are the limitations of this method?
Related: Emulation on a Windows PC
Alex L
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56
votes
4 answers
How do I make serial work on the Raspberry Pi3 (PiZeroW, Pi4 or later models)
My Pi3 serial console produces rubbish and fails to respond to the keyboard.
Milliways
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56
votes
10 answers
Enabling SSH on RPi without screen - keystrokes for raspi-config?
I don't have a screen for my Raspberry Pi. I want to SSH into it, but I get Connection Refused, so I presume SSH is not enabled.
As advised in other questions I have looked at enabling the boot_enable_ssh.rc script on the sd card. However I don't…
Lemmy
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56
votes
5 answers
How can I convert a .img.xz file to .img to transfer it to my SDCard?
I have downloaded Kali v1.1.0 for my Raspberry Pi 2 from here.
But the file I must transfer to the SD Card is a .img.xz, not the desired .img one.
I have tried to unpack with:
$ tar -jxvf kali-1.1.0-rpi2.img.xz
bzip2: (stdin) is not a bzip2…
tarsot
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56
votes
11 answers
Can I use Raspberry Pi as a USB peripheral device?
Raspberry Pi has a Micro USB port for power supply. My question is if this port is only for power purposes or can it be used for data as well? I would like to be able to attach my Raspberry Pi as a USB peripheral to another computer. Is this…
user13
55
votes
6 answers
Where does the Raspberry Pi get the time from?
I don't have to set the clock (besides the timezone) on the Raspberry Pi. Where is it getting the time from? About how accurate is it?
Scoop
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55
votes
4 answers
What's the maximum SD card size that the Raspberry Pi will accept? Do larger cards give slower performance?
On my digital camera, I noticed a performance decrease when I used a larger card; will this happen with the Raspberry Pi too?
What's the maximum sized SD card it can handle?
I see there is comprehensive list available from this question.
Highly Irregular
- 5,789
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53
votes
9 answers
Access GPIO pins without root. No access to /dev/mem. Try running as root!
I've made a python script using the RPi.GPIO library. I need to run it without root but I get this error when running it with "python ./script.py":
No access to /dev/mem. Try running as root!
I've read in many places that you no longer need root…
JoeyCK
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52
votes
2 answers
What's the difference between `wpa-roam` and `wpa-conf` in the /etc/network/interfaces file?
I posted a question previously on how to set up a static IP address on the rpi and eventually figured out, along with some others, that the answer was to change wpa-roam to wpa-conf when pointing to /etc/wpa_supplicant/wpa_supplicant.conf, but why…
3cheesewheel
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52
votes
2 answers
Raspberry Pi not reachable via its hostname in LAN
My Raspberry Pi is not discoverable via its hostname in my LAN.
I have a couple of other Ubuntu machines in the LAN, and they are all pingable via their hostnames.
On my Raspberry Pi:
pi@raspberrypi ~ $ hostname
raspberrypi
On another machine in…
clamp
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52
votes
6 answers
Access to Raspberry Pi VNC session from Mac OS X
I'm trying to get remote screen access to my Raspberry Pi (running Raspbian) with a Mac OS X client.
Here's what I've got:
I ran 'raspbian-config' and used it to enable the VNC server.
The desktop on the raspberry-pi shows that VNC server…
Richard Barnette
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52
votes
4 answers
Can I use Raspberry Pi in commercial production?
I'm quite new to Raspberry Pi. I recently started hacking my new RPI with raspbian and working on a video streaming project.
I finished my prototype and things are ready for production.
RPI is awesome no doubt about, but can I use it for production…
Evan Levesque
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52
votes
5 answers
How can I mount a Raspberry Pi Linux distro image?
Normal filesystem images can be easily mounted:
mount system.img /mnt
Examined, and modified. But when I try this with a Raspberry Pi system image (e.g. raspbian), I get:
mount: unknown filesystem type '(null)'
And no matter what I try with -t,…
goldilocks
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