树莓派实用命令
目录
这篇文章介绍了几个实用的树莓派命令
注意
注1、谢谢大家捧场。
1 获取CPU当前温度
vcgencmd measure_temp
2 关闭WiFi
2.1 禁用WIFI
sudo nmcli device disconnect wlan0
2.2 从新启用WIFI
sudo nmcli device up wlan0
2.3 命令连接WIFI
#扫描WiFi
nmcli dev wifi
#连接WiFi
nmcli dev wifi connect wifi名 password 密码
2.4 图形化连接WIFI
nmtui
3 查询硬盘情况
仅适用usb连接固态硬盘查询硬盘情况。sd卡无寿命信息，无法写入就是寿命到了。
#安装硬盘信息工具软件
sudo apt install smartmontools
#展示硬盘a信息
sudo smartctl -A /dev/sda
因为隔了一层硬盘盒，输出的结果例如下
smartctl 7.3 2022-02-28 r5338 [aarch64-linux-6.6.20+rpt-rpi-v8] (local build)
Copyright (C) 2002-22, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF SMART DATA SECTION ===
SMART/Health Information (NVMe Log 0x02)
Critical Warning: 0x00
Temperature: 38 Celsius #温度
Available Spare: 100% #剩余寿命
Available Spare Threshold: 0%
Percentage Used: 0%
Data Units Read: 672,356 [344 GB] #读
Data Units Written: 1,332,850 [682 GB] #写
Host Read Commands: 24,585,753
Host Write Commands: 51,420,583
Controller Busy Time: 0
Power Cycles: 60
Power On Hours: 2,466 #通电时间
Unsafe Shutdowns: 10
Media and Data Integrity Errors: 0
Error Information Log Entries: 0