Loading... 香橙派挂机开发的时候发现隔一段时间wifi自动掉线,不会重连 # 查看网卡状态 ```bash # sudo iwconfig wlan0 huiyi@orangepizeroplus2h5:~$ sudo iwconfig wlan0 [sudo] password for huiyi: wlan0 IEEE 802.11 ESSID:"Huiyicc" Mode:Managed Frequency:2.452 GHz Access Point: 44:32:62:0E:DF:24 Bit Rate=43.3 Mb/s Tx-Power=31 dBm Retry short limit:7 RTS thr:off Fragment thr:off Encryption key:off Power Management:on Link Quality=70/70 Signal level=-17 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0 ``` **说明:** Power Management是电源管理模式,on是开off是关 这里是开启了 ## 临时关闭 ``` #关闭节能模式 sudo iwconfig wlan0 power off ``` **检查** ``` huiyi@orangepizeroplus2h5:~$ sudo iwconfig wlan0 wlan0 IEEE 802.11 ESSID:"Huiyicc" Mode:Managed Frequency:2.452 GHz Access Point: 44:32:62:0E:DF:24 Bit Rate=21.6 Mb/s Tx-Power=31 dBm Retry short limit:7 RTS thr:off Fragment thr:off Encryption key:off Power Management:off Link Quality=70/70 Signal level=-15 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0 ``` ## 永久关闭 ```bash vim /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf ``` 将`wifi.powersave改为2`  保存然后reboot 最后修改：2024 年 04 月 09 日 © 允许规范转载 赞 如果觉得我的文章对你有用，请随意赞赏