moodLearning Wiki

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision
Previous revision
troubleshooting-elib-box [2018/12/07 15:14]
serbizadmin [Raspberry Pi 3 Model B+ does not boot]
troubleshooting-elib-box [2020/06/13 15:10] (current)
Line 1: Line 1:
 ====== Troubleshooting eLib Box ====== ====== Troubleshooting eLib Box ======
- +===== Ethernet not working ===== 
-====== Raspberry Pi 3 Model B+ does not boot ======+====Raspberry Pi 3 with Raspbian Stretch==== 
 +  * confirm 
 +<code> 
 +ifconfig -a 
 +</code> 
 +may include something like this 
 +<code> 
 +eth0: flags=4098<BROADCAST,MULTICAST>  mtu 1500 
 +        ether b8:27:eb:2c:94:19  txqueuelen 1000  (Ethernet) 
 +        RX packets 0  bytes 0 (0.0 B) 
 +        RX errors 0  dropped 0  overruns 0  frame 0 
 +        TX packets 0  bytes 0 (0.0 B) 
 +        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0 
 +</code> 
 + or do 
 +<code> 
 +sudo service dhcpcd status 
 +</code> 
 +and you'll have something like this 
 +<code> 
 +systemd[1]: Starting dhcpcd on all interfaces... 
 +dhcpcd[330]: Not running dhcpcd because /etc/network/interfaces 
 +dhcpcd[330]: defines some interfaces that will use a 
 +dhcpcd[330]: DHCP client or static address 
 +systemd[1]: dhcpcd.service: Control process exited, code=exited status=6 
 +systemd[1]: Failed to start dhcpcd on all interfaces. 
 +systemd[1]: dhcpcd.service: Unit entered failed state. 
 +systemd[1]: dhcpcd.service: Failed with result 'exit-code'
 +</code> 
 +  * inject 
 +<code> 
 +ifconfig eth0 192.168.1.66 <or some appropriate number on the dhcp network> 
 +</code> 
 +  * adjust dhcp via /etc/dhcpcd.conf 
 +<code> 
 +static domain_name_servers=172.24.1.1 192.168.1.1 
 +</code> 
 +Or via /etc/dhcp/dhclient.conf with this entry 
 +<code> 
 +option domain-name-servers 172.24.1.1, 192.168.1.1, 8.8.8.8 
 +</code> 
 +Adjust the latter according to the appropriate number for the eth0 network. 
 +  * confirm  
 +<code> 
 +hostname -I 
 +</code> 
 +\\ 
 +===== Raspberry Pi 3 Model B+ does not boot =====
 If these conditions obtain: If these conditions obtain:
   * booting for the first time on this hardware   * booting for the first time on this hardware
Line 22: Line 69:
   * remove //runinstaller//   * remove //runinstaller//
   * sudo nano /media/pi/MMC_P1/recovery.cmdline   * sudo nano /media/pi/MMC_P1/recovery.cmdline
-With runinstaller removed, the line should look like this+With //runinstaller// removed, the line should look like this
 <code> <code>
 quiet ramdisk_size=32768 root=/dev/ram0 init=/init vt.cur_default=1 elevator=deadline quiet ramdisk_size=32768 root=/dev/ram0 init=/init vt.cur_default=1 elevator=deadline
Line 29: Line 76:
 \\ \\
 \\ \\
-====== References ======+==== References ====
   * [[https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=212452|"Update NOOBS without Re-Installing It (When Your Raspberry Pi 3B+ Will Not Boot!)"]]   * [[https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=212452|"Update NOOBS without Re-Installing It (When Your Raspberry Pi 3B+ Will Not Boot!)"]]
 +  * [[https://www.raspberrypi.org/forums/viewtopic.php?t=209638|Using an SD card from PI 3 MODEL B in PI 3 MODEL B+]]