4G&5G模块开机自启与自动重连

目标平台：OK3588-C Ubuntu

修改目录：/etc/systemd/system/multi-user.target.wants/5G.service

​ /usr/bin/fltest_quectel.sh

​ /etc/profile.d/5G.sh

1.添加5G服务

 vi /etc/systemd/system/5G.service
[Unit]
Description=5G
After=network.target
​
[Service]
Type=**
PIDfile=/run/quectelCM.pid
ExecStart=/usr/bin/quectelCM
Restart=always
ExecStop=-/sbin/start-stop-daemon --quiet --stop --retry QUIT/5 --pidfile /run/quectelCM.pid
TimeoutStartSec=10
RestartSec=3
​
[Install]
WantedBy=multi-user.target
:wq
systemctl enable 5G

2.重新拉起eth0和eth1

vi /etc/profile.d/5G.sh
ifconfig eth1 down && ifconfig eth0 down
sleep 1
ifconfig eth0 up
sleep 1
ifconfig eth1 up

3.重启查看效果

systemctl status 5G
ps -aux |grep quectelCM
#杀掉quectelCM进程后发现会再启一个