10
votes
Setting up a WiFi-direct connection using pi3+arch linux arm and Android
I had the same problem. Then I found that a wpa_supplicant process was already started at boot time to connect to public WIFI. This is why there is the "resource busy" error message. I did a sudo ...
- 101
7
votes
Why do I have so many RAM disks?
That is nothing unusual.
RAM discs are commonly used for temporary file systems.
My Debian laptop
Filesystem Size Used Avail Use% Mounted on
udev 1.5G 0 1.5G 0% /dev
tmpfs ...
- 70.5k
6
votes
ArchLinux-SSH-First time boot
You could find the IP address using arp-scan or nmap's ping scan), but could also use the default /etc/hostname alarmpi in place of the IP address if DNS is working in your network.
If your DNS is not ...
- 502
6
votes
Accepted
Serial output in case of no OS
is there a possibility to read information trough the serial device even if there is no boot device?
Yes! It is possible since Raspberry Pi 4B.
The RPi 4B comes with an EEPROM containing the boot ...
- 41.9k
5
votes
How do I install packages from the AUR?
IMPORTANT! yaourt is insecure and deprecated according to the wiki: https://wiki.archlinux.org/index.php/AUR_helpers
While @Jivings answer was best back in `12, I would recommend installing one of ...
- 151
5
votes
Using openbox to autostart GUI application Raspberry Pi 3
This is the simple answer: sudo update-alternatives --config x-session-manager
One can just run this and select the openbox-session then the next restart will get you the openbox window manager.
No ...
- 151
5
votes
Option for Arch Linux not showing in NOOBS. Alternative solutions?
There's a fork of the NOOBs project, called PINN, simply download the latest zip, then per a NOOBs install, expand the contents of the zip to a freshly MS-DOS formatted SDcard, stick it in the Pi, and ...
- 171
5
votes
Accepted
Can I use a Raspberry Pi with two different sd cards as two different computers?
You can use your Raspberry Pi with different SD cards and thus different Operating Systems in turns. Obviously you will have to power down the Pi and physically change the SD card first but other than ...
- 15.8k
5
votes
Sharing exFAT drive via Netatalk, can't create directories
I was able to solve this problem by adding:
unix priv = no
to the [share] section in /etc/netatalk/afp.conf.
Inspirational source:
http://www.gattis.org/Work-and-Tech/operating-systems-and-...
- 51
4
votes
How to create an IMG file from USB but only using 2GB not full SD card size
While trying to re-distribute a customized Raspbian OS, I had the same question with respect to making the image as small as possible. To make this process easy I wrote mkimg.sh and outline what it ...
- 1,221
4
votes
Where does my secondary IP come from?
Edit /etc/dhcpcd.conf
This happened to me too (albiet on Raspbian).
If you'd rather not totally disable the dhcpcd service, you can add this to /etc/dhcpcd.conf to inform it of your static interface: ...
- 1,806
4
votes
Cannot find Arch Linux .img download
Arch Linux does not provide images anymore. Instead the .tar.gz will "simply" contain the full file system and has to be installed to the SD card after preparation of the partition table using fdisk ...
- 15.8k
4
votes
Accepted
Why do I have so many RAM disks?
Firstly, RAM disks are not the same thing as tmpfs.
There are many directories on your root drive that are used to store temporary files. These folders tend to have a lot of reading and writing going ...
- 156
4
votes
Using openbox to autostart GUI application Raspberry Pi 3
I had the same problem. I post it for any future googlers.
Disable Desktop autologin
Run sudo raspi-config and navigate to 3 Boot Options / B1 Desktop / Cliand choose B2 Console Autologin
Run ...
- 49
4
votes
Serial output in case of no OS
is there a possibility to read information trough the serial device even if there is no boot device?
See Ingo's answer -- which may or may not provide useful information in the context of your ...
- 58.5k
3
votes
Cannot update Arch Linux
If the problem is not solved by simply changing DNS nameservers, then you might want to try disabling IPv6. This issue isn't specific to the raspberry pi, as it seems to affect other platforms/...
- 131
3
votes
How to connect a Raspberry PI 3 to USB TTY cable
From the looks of it your rx and tx lines are the wrong way around, try swapping them (the green and white wire).
Note that if you try to connect to the serial line after your pi has booted you will ...
- 761
3
votes
Why do I have so many RAM disks?
Short answer: it is just a fdisk peculiarity on latest versions. Alternatively you could also use parted and lsblk.
Extracted from this thread at AskUbuntu:
On later versions of fdisk the ...
3
votes
Accepted
How can I setup the video / graphics on the Raspberry Pi 3?
The options in order of decreasing age and stability :
1) The GPU 3D/Video BLOB which respects gpu_mem
2) The 2D framebuffer drivers fbdev / fbturbo
3) The in-kernel KMS/3D driver started by Eric ...
- 6,215
3
votes
Accepted
Installing Watchdog Daemon on Arch
Update.
This package was moved from the upstream of the Arch Repo over to the AUR and no one has produced an ARM version so the watchdog package is no longer available via pacman. The sources are ...
- 988
3
votes
Disabling watchdog in Raspberry Pi Archlinux ARM
Watchdog is built into the Raspbian kernel using CONFIG_WATCHDOG=y in kernel parameters, so rmmod is not possible unless you rebuild the kernel.
/proc/sys/kernel/watchdog is not implemented in ...
- 27.7k
3
votes
How can I run a cross-compile binary on my RPi?
I haven't completely understood what you have done, but in respect to your own answer it is in general possible to run 32 bit programs on a RasPi running a 32 bit or a 64 bit kernel. You cannot run a ...
- 41.9k
3
votes
aarch64 or armv8 with Arch on a Raspberry Pi 4?
I was able to install 64-bit archlinux on a Raspberry Pi 4 after seeing @VinnieThePooh's answer which contained a link to root filesystems which I then could burn into the SD Card and boot.
Here are ...
- 131
3
votes
RPi 4 -- Garbage on serial console (UART) using upstream kernel
Only for the completeness: first check your connection as shown at What is the correct way to connect serial console on RPi4 Model B?. But I believe you are right.
As I see you are experimenting with ...
- 41.9k
3
votes
How safe is it to connect a Seagate 2TB Expansion Drive to Raspberry Pi 4B?
To answer your questions sequentially:
If you are using a portable external hard drive from a reputed manufacturer, the enclosure should have vibration pads inside to protect the drive from shocks ...
3
votes
How safe is it to connect a Seagate 2TB Expansion Drive to Raspberry Pi 4B?
To add to Shivang's answer:
I've used a "spinning disk" USB drive powered from one of the USB3 ports on my RPi 4B for over a year now, and on a 3B for years before that. It runs 24x7, and I'...
- 21.1k
3
votes
Accepted
How to run Arch from a usb SSD on a rasp4
The Pi4 boots fine from an SSD once the eeprom is updated. My standard set up is to use an SD Card with Raspberry Pi 4 EEPROM boot recovery on it to update the EEPROM (https://www.raspberrypi.org/...
- 1,251
2
votes
Static IP on Arch Linux
All of these solutions didn't work for me. I fixed it by doing this:
sudo vim /etc/systemd/network/eth0.network
remove the line that says
DHCP=yes
then, make sure your [Network] part looks like ...
- 293
2
votes
Does Arch come with a GUI preinstalled?
No, Arch doesn't come with a desktop environment. Why, because whats the fun in having one pre-installed. The point in Arch is, to build it yourself.
- 21
2
votes
Install Arch Linux from osx
Step by step Procedure
Following the Arch Linux Raspberry Pi 3 Installation Guide, it is possible to abstract the steps necessary to do this on macOS without any virtualization. It is a matter of ...
- 502
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