openwrt Insomnia

Linksys USB-TTL 

Sometimes I get garbage characters, to fixed it I switch the USB cord.

WARNING ABOUT SCREEN TTL 

Make sure if you are in Gnome for example - not pure screen - make sure disable UTF8, choose some ASCII based like Central European etc...

TFTPD Install 

https://www.hiroom2.com/2017/07/02/debian-9-tftpd-hpa-en/

apt install -y tftpd-hpa
systemctl disable tftpd-hpa
service tftpd-hpa start 

Set interface:
IP: 192.168.1.33
Netmask: 255.255.255.0 Gateway: 192.168.1.1
Profile name: TTL

The default folder is:
/etc/default/tftpd-hpa which defaults to
/var/lib/tftpboot

tftp 192.168.1.33
get openwrt-21.02.0-rc3-mvebu-cortexa9-linksys_wrt1900acs-squashfs-factory.img

TTL 

ufw disable
ls -l /dev/ttyUSB*
apt -y install screen
sudo screen /dev/ttyUSB0 115200,cs8,-ixon,ixoff,-istrip
sudo screen /dev/ttyUSB1 115200,cs8,-ixon,ixoff,-istrip

reboot

setenv ipaddr 192.168.1.1
setenv netmask 255.255.255.0
setenv serverip 192.168.1.33

setenv firmwareName openwrt-21.02.0-rc3-mvebu-cortexa9-linksys_wrt1900acs-squashfs-factory.img
setenv firmwareName insomnia-openwrt-21.02.0-rc3-mvebu-cortexa9-linksys_wrt1900acs-squashfs-factory.img


run update_both_images
ufw enable
service tftpd-hpa stop
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