Unterschiede

Hier werden die Unterschiede zwischen zwei Versionen angezeigt.

--- linux:openwrt [2017/03/22 10:26] – move
+++ linux:openwrt [2019/02/27 14:26] (aktuell) – Externe Bearbeitung 127.0.0.1
@@ Zeile 10: / Zeile 10: @@
 ===== Erweiterungen =====
   * [[http://x-wrt.org/|X-Wrt]] Erweiterung für OpenWrt, liefert ein Webinterface für den Endbenutzer
+===== Pakete installieren =====
+<Code>
+opkg install PAKET
+</Code>
+Pakete auflisten:
+<Code>
+opkg list
+</Code>
+===== Tips & Tricks ======
+==== Debrick ====
+https://wiki.openwrt.org/doc/howto/generic.debrick
+**Beispiel: TP-Link Archer C50 v3**
+  * https://wiki.openwrt.org/toh/tp-link/archer-c50#debricking
+  * https://wiki.openwrt.org/toh/tp-link/tl-wdr4300#de-brick_or_oem_installation_using_the_tftp_recovery
+**Hintergrund:**
+ The stock firware (3.13.33(130617)) features a TFTP recovery client in bootloader. To activate it press and hold WPS/Reset Button during powering on until WPS LED turns on. Connect computer to LAN1. Using [[tcpdump]], you should see ARP requests from router having address 192.168.0.86 looking for address 192.168.0.66.
+<Code>
+# tcpdump -ni eth0 arp
+ARP, Request who-has 192.168.0.66 tell 192.168.0.86, length 46
+</Code>
+Set up your computer to address 192.168.0.66, netmask /24 (255.255.255.0).
+<Code>
+# ip addr add dev eth0 192.168.0.66/24
+</Code>
+Using TCPdump, you should now see request for new firmware image:
+<Code>
+# tcpdump -npi eth0 udp
+IP 192.168.0.86.2195 > 192.168.0.66.69:  44 RRQ "wdr4300v1_tp_recovery.bin" octet timeout 5
+**TFTP-Server**
+</Code>
+**Vorgehen:**
+Download Recovery: https://static.tp-link.com/Archer%20C50(EU)_V3_170608.zip
+Wichtig! Nach dem Entpacken das bin-File preparieren ("To prepare recovery file cut the first 0x200 (that is 512) Bytes from original firmware (This cut only header of firmware, Recovery need bootloader and firmware)")
+<Code>
+dd if=Archer_C50v3_EU_0.9.1_0.4_up_boot\[170608-rel35472\].bin of=tp_recovery.bin skip=1 bs=512
+</Code>
+**Grundsätzliche Vorgehensweise:**
+  - Setup your computer to 192.168.0.66 (SubnetMask /24 = 255.255.255.0) and connect it to LAN1.
+  - Start TFTP server and provide recovery file with it.
+  - To activate TFTP Recovery press and hold WPS/Reset Button during powering (8 sec.) on until WPS LED turns on.
+**TFTP-Server installieren**
+<Code>
+apt install atftpd
+</Code>
+Create directory where you want to put the image file
+<Code>
+mkdir /srv/tftp
+</Code>
+Put an image file into your directory
+<Code>
+cp ~/tp_recovery.bin /srv/tftp
+</Code>
+Change the ownership of the folder and the file in it
+<Code>
+chown nobody:nogroup -R /srv/tftp
+</Code>
+Run TFTP server
+<Code>
+atftpd --daemon /srv/tftp
+</Code>
+Check if your server is listening
+<Code>
+netstat -lunp|grep 69
+</Code>
+Evtl. verhindert rlinetd das sraten, da er auf dem gleichen Port lauscht, dann hilft:
+<Code>
+/etc/init.d/rlinetd stop
+</Code>
+Check that you can in fact pull the file from your tftp server
+<Code>
+$ tftp 192.168.0.66
+tftp> get tp_recovery.bin
+Received 8152633 bytes in 0.8 seconds
+tftp> quit
+</Code>
 ===== Siehe auch =====