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Setting up OpenWebRX on a Raspberry Pi 2

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András Retzler edited this page Oct 17, 2015 · 36 revisions

OpenWebRX should work out-of-the-box on your RPi, if you set it up by going through this guide.

On this page I list some common errors that people have encountered:

Some general advice to increase reliability and security

Use a firewall and put sshd away from TCP port 22

(TBD)

Avoid possible file system corruption on power-off

If you just pull the plug from your Raspberry without properly shutting it down, it may or may not boot the next time.

1. Shutdown the RPi with halt every time

Use the proper command to halt the operating system:

sudo halt

You will see one of the LEDs blinking at a given time interval, and then both LEDs switch off.

2. Start your system in read-only mode, and switch to read-write only if required.

In my article about pi-rw you will find advice on doing that.

3. What if my file system has already corrupted?

fsck is a Linux tool meant for repairing corrupted file systems.

You can:

  • Run fsck from a laptop running Linux, having the SD card attached.
  • Run fsck from a Ubuntu Live CD.
  • Run fsck from the shell over the RPi serial port (but you will need a serial adapter).
  • Run fsck with a keyboard and HDMI screen attached.

You cannot however run fsck from ssh remotely, as the OS hasn't booted properly yet.

First take a look at which device corresponds to your SD card. You can list the block devices with lsblk:

ha7ilm@pc ~ $ lsblk
NAME        MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda           8:0    0 123,4G  0 disk 
├─sda1        8:1    0 120,0G  0 part /
└─sda2        8:2    0   3,4G  0 part [SWAP]
mmcblk0     179:0    0   7,4G  0 disk 
├─mmcblk0p1 179:1    0    56M  0 part /media/ha7ilm/boot
└─mmcblk0p2 179:2    0   7,4G  0 part /media/ha7ilm/18b2d310-8421-01f9-a0e0-1001b0d00173

Over here, the corresponding device is mmcblk0p2. To run fsck on it:

fsck /dev/mmcblk0p2
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