--- DD-WRT forum post ---

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mrjcd@Deb:~$ ssh root@192.168.1.1
root@192.168.1.1's password: 


BusyBox v1.28.4 () built-in shell (ash)

  _______                     ________        __
 |       |.-----.-----.-----.|  |  |  |.----.|  |_
 |   -   ||  _  |  -__|     ||  |  |  ||   _||   _|
 |_______||   __|_____|__|__||________||__|  |____|
          |__| W I R E L E S S   F R E E D O M
 -----------------------------------------------------
 KONG PRO, 2019-Q1
 -----------------------------------------------------
root@OpenWrt:~# cd /tmp
root@OpenWrt:/tmp# wget http://mrjcd.com/Malachi/EA8500/Linksys-FW/FW_EA8500_1.1.4.168206_prod.img
--2019-03-21 18:59:44--  http://mrjcd.com/Malachi/EA8500/Linksys-FW/FW_EA8500_1.1.4.168206_prod.img
Resolving mrjcd.com... 96.46.208.155
Connecting to mrjcd.com|96.46.208.155|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 22675456 (22M)
Saving to: 'FW_EA8500_1.1.4.168206_prod.img'

FW_EA8500_1.1.4.168206_prod.im 100%[==================================================>]  21.62M  11.0MB/s    in 2.0s    

2019-03-21 18:59:46 (11.0 MB/s) - 'FW_EA8500_1.1.4.168206_prod.img' saved [22675456/22675456]

root@OpenWrt:/tmp# sysupgrade -n -v -F /tmp/FW_EA8500_1.1.4.168206_prod.img
Image metadata not found
Image check 'fwtool_check_image' failed but --force given - will update anyway!
Commencing upgrade. Closing all shell sessions.
Connection to 192.168.1.1 closed by remote host.
Connection to 192.168.1.1 closed.
mrjcd@Deb:~$ 

###########################################################

mrjcd@Deb:~$ ssh root@192.168.1.1
root@192.168.1.1's password: 


BusyBox v1.28.4 () built-in shell (ash)

  _______                     ________        __
 |       |.-----.-----.-----.|  |  |  |.----.|  |_
 |   -   ||  _  |  -__|     ||  |  |  ||   _||   _|
 |_______||   __|_____|__|__||________||__|  |____|
          |__| W I R E L E S S   F R E E D O M
 -----------------------------------------------------
 OpenWrt 18.06.2, r7676-cddd7b4c77
 -----------------------------------------------------
root@OpenWrt:~# cd /tmp
root@OpenWrt:/tmp# wget http://mrjcd.com/Malachi/EA8500/Linksys-FW/FW_EA8500_1.1.4.168206_prod.img
Downloading 'http://mrjcd.com/Malachi/EA8500/Linksys-FW/FW_EA8500_1.1.4.168206_prod.img'
Connecting to 96.46.208.155:80
Writing to 'FW_EA8500_1.1.4.168206_prod.img'
FW_EA8500_1.1.4.1682 100% |*******************************| 22144k  0:00:00 ETA
Download completed (22675456 bytes)
root@OpenWrt:/tmp# sysupgrade -n -v -F /tmp/FW_EA8500_1.1.4.168206_prod.img
Image metadata not found
Image check 'fwtool_check_image' failed but --force given - will update anyway!
Commencing upgrade. Closing all shell sessions.
Connection to 192.168.1.1 closed by remote host.
Connection to 192.168.1.1 closed.
mrjcd@Deb:~$