BTT since at least Buster provides in their vendor image a script to solve issues with the Wifi. And yes it in some conditions may have some issues with the network coming up, I even run in some issues with ethernet. They are solvable by restarting the networkdevice (either ethernet or wifi) with NetworkManager as well as with systemd-networkd.
From history. The CB1 Buster vendor image from BTT as well as the vendor image for Bookworm, which actually you still can download at BTTs website contain a scrit that solves the issue by checking the network state all 5 seconds and in case restart the device.
I personally used the vendor Buster image and the vendor Bookworm image on the CB1 to operate Openmediavault on it and believe me reliable Network is essential for a NAS. So yes those scripts work. I finally moved to the Armbian general Trixie image, just I was courious, but I took those scripts from bookworm with me. I even copied them to my "vault" of nice to have things for any device that needs reliable network. So I suggest to get yourself A vendor Bookworm image and loop mount it. No need to flash it. (if you are on Windoof, you need to flash it and have a look at the boot partition . At least I don't know a way to mount a partion inside a dd image of a blockdvice stored with sparse option.)
Then have a look at the boot partion. There is a folder scripts.
Interesing ther:
/scripts/btt_init.sh
/script/connect_wifi.sh
what they do is, they start btt_init.sh in /etc/rc.local, which means always when the system boots at the very end of the boot process
and btt init.sh starts a lot of those scripts in background mode, which meens if they have an endless loop, they never die.
Only thing u need is connect_wifi.sh from there, so you can hash out all other or directly start connect_wifi.sh like they do..
#!/bin/bash
# original BTT code, where the device name is set to a variable in the system.cfg:
# cfg_file=/boot/system.cfg
#enter the name of the wlandevice to check here:
WLAN=wlan0
log_file=/boot/scripts/wifi.log
IFS=\"
sta_mount=0
wifi_path="/etc/NetworkManager/system-connections/"
function connect_wifi() {
# whether there is configured wifi in the history
if [[ `sudo nmcli c s | grep wifi | awk '{ for(i=NF-2; i<=NF; i++){ $i="" }; print $0 }'` =~ "${WIFI_SSID}" ]] ; then
set_wifi_path="${wifi_path}${WIFI_SSID}.nmconnection"
if [[ -e ${set_wifi_path} ]]; then
psk=`sudo cat ${set_wifi_path} | grep ^psk | awk -F '=' '{print $2}'`
if [[ ${psk} == $WIFI_PASSWD ]]; then
# both ssid & passwd matched.
sys_now_wifi=`sudo nmcli c s --active | grep wlan0 | awk '{ for(i=NF-2; i<=NF; i++){ $i="" }; print $0 }' | awk '{t=length($0)}END{print substr($0, 0, t-3)}'`
if [[ ${sys_now_wifi} != $WIFI_SSID ]]; then
sudo nmcli c up ${WIFI_SSID}
echo " ===> SSID & PSK is same as history, switch to: $WIFI_SSID " >> $log_file
fi
echo " ===> Now is: $WIFI_SSID, need not to do anything" >> $log_file
return 0
else
# psk don't match, remove and reconnect.
sudo nmcli c delete ${WIFI_SSID}
echo " ===> Remove all: $WIFI_SSID " >> $log_file
fi
else
# remove all WIFI_SSID info (Theoretically, never execute to here).
sudo nmcli c delete ${WIFI_SSID}
echo " ===> Remove all: $WIFI_SSID " >> $log_file
fi
fi
# connect to the new wifi
if [[ `sudo nmcli device wifi list` =~ $WIFI_SSID ]]
then
if [[ ! `sudo nmcli dev wifi connect $WIFI_SSID password $WIFI_PASSWD ifname $wlan` =~ "successfully" ]]
then
echo " ===> Specify the WPA encryption method: $WIFI_SSID " >> $log_file
sudo nmcli c modify $WIFI_SSID wifi-sec.key-mgmt wpa-psk
sudo nmcli dev wifi connect $WIFI_SSID password $WIFI_PASSWD ifname $wlan
fi
else
echo " ===> Hide wifi_ssid: $WIFI_SSID " >> $log_file
sudo nmcli c add type wifi con-name $WIFI_SSID ifname $wlan ssid $WIFI_SSID
sudo nmcli c modify $WIFI_SSID wifi-sec.key-mgmt wpa-psk wifi-sec.psk $WIFI_PASSWD
sudo nmcli c up $WIFI_SSID
fi
}
function Env_init() {
exec 1> /dev/null
# without check_interval set, we risk a 0 sleep = busy loop
if [ ! "$check_interval" ]; then
echo $(date)" ===> No check interval set!" >> $log_file
exit 1
fi
# enable wlan
[[ $(ifconfig | grep $wlan) == "" ]] && sudo nmcli radio wifi on
connect_wifi
sleep 6
}
function is_network() {
if [ $# -eq 0 ]; then
get_ip=`ip route | grep "$eth proto kernel" | awk '{print $9}'`
if [ -n "${get_ip}" ]; then
Result=yes
else
get_ip=`ip route | grep "$wlan proto kernel" | awk '{print $9}'`
fi
else
get_ip=`ip route | grep "$1 proto kernel" | awk '{print $9}'`
fi
if [ -n "${get_ip}" ]; then
Result=yes
else
Result=no
fi
echo $Result
}
function startWifi_sta() {
sta_mount=`expr $sta_mount + 1`
echo $(date)" .... sta connecting...$sta_mount..." >> $log_file
sleep 2
}
function startWifi() {
[[ $(ifconfig | grep $wlan) == "" ]] && nmcli radio wifi on # 确保wlan连接启动了
if [[ $sta_mount -le 2 ]]; then
nmcli device connect $wlan # 连接wifi
echo $(date)" .... $wlan connecting..." >> $log_file
sleep 2
[[ $(is_network $wlan) == no ]] && startWifi_sta
[[ $(is_network $wlan) == yes ]] && sta_mount=0 && echo $(date)" [O.K.] $wlan connected!" >> $log_file
else
echo $(date)" xxxx $wlan connection failure..." >> $log_file
fi
}
source $cfg_file
grep -e "^WIFI_SSID" ${cfg_file} > /dev/null
STATUS=$?
if [ ${STATUS} -eq 0 ]; then
Env_init
sleep 20
while [ 1 ]; do
if [[ $(is_network) == no ]]; then # 没有网络连接
echo -e $(date)" ==== No network connection..." >> $log_file
startWifi
sleep 6 # 更改间隔时间，因为有些服务启动较慢，试验后，改的间隔长一点有用
fi
sleep $check_interval
done
fi
This script assumes you are using NetworkManager to manga the wifi.. if you don't one can modify it for systemd-networkd also.. :-)
