Frequent Questions
4,329 questions
305
votes
7
answers
1.4m
views
How do I set up networking/WiFi/static IP address on Raspbian/Raspberry Pi OS?
I have followed (any one of hundreds) tutorial, and it does not work.
How do I set up networking/WiFi/static IP address on the Raspberry Pi?
After the Foundation introduced the dhcpcd networking ...
- 62.3k
83
votes
2
answers
126k
views
Raspberry Pi Power Limitations
There are very many, often contradictory, claims about the power requirements and limitations of the Pi.
What are the exact requirements?
- 62.3k
56
votes
4
answers
300k
views
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.
- 62.3k
28
votes
4
answers
55k
views
Setting up a Raspberry Pi as an access point - the easy way
I know how to do it the classic way as described for example by the official documentation at Wireless connectivity. But that needs many different components which must play together and each ...
- 42.9k
37
votes
3
answers
83k
views
Access point as WiFi router/repeater, optional with bridge
I need a wireless access point that is bridged with the wired ethernet port and that is connected to another wifi internet router with a client connection as uplink. All devices connected to the RasPi ...
- 42.9k
102
votes
9
answers
133k
views
Can a Raspberry Pi be used to create a backup of itself?
This question answers the question of how I use an external computer to create a backup of my RPi.
I'm wondering whether I can create a backup image of the SD card that is currently in use, and ...
- 1,745
17
votes
5
answers
58k
views
Should I install NOOBS or Raspbian?
The Foundation site used to state states "Beginners should start with NOOBS – New Out Of the Box Software."
Raspberry Pi Ltd. now hides NOOBS from unsuspecting novices.
Only unscrupulous ...
- 62.3k
226
votes
12
answers
935k
views
Execute script on start-up
I am trying to execute a script when my Raspberry Pi boots up. I would like the web browser to open up automatically.
I have tried to find a simple solution, (like dropping my script in some "...
- 2,363
21
votes
2
answers
31k
views
Howto migrate from networking to systemd-networkd with dynamic failover
Systemd's systemd-networkd can be used to replace the existing networking system on Raspbian.
How does it work with Raspbian on a Raspberry Pi with two interfaces for ethernet and wlan? Can I also ...
- 42.9k
52
votes
5
answers
101k
views
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 ...
- 60.3k
8
votes
1
answer
16k
views
Access point as WiFi router/repeater with additional WiFi-dongle
There are some tutorials to make an access point a WiFi repeater using only the on-board WiFi chip of a Raspberry Pi. But I want to use an additional USB/WiFi dongle as second interface for the up-...
- 42.9k
21
votes
2
answers
50k
views
Use systemd-networkd for general networking
systemd-networkd can be used to replace the existing networking system on Raspbian.
How can I use it for general purposes for networking like DHCP server, name resolution, link-local addresses, mDNS ...
- 42.9k
58
votes
5
answers
107k
views
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: ...
- 695
11
votes
2
answers
10k
views
Log output of background or boot script
I have a short script which is executed by a system daemon for particular events. I know the event is occurring and the script is executing, but it does not do what I intend. Strangely, it does when ...
- 60.3k
19
votes
6
answers
29k
views
Can I use Fedora on the Pi 2?
I know Fedora has ARMv7 images. Can those be used on the Raspberry Pi 2, and if so, how?
- 60.3k