pi 4准备

安装最新的pi镜像: 2020-08-20-raspios-buster-armhf

配置apt代理

sudo nano /etc/apt/apt.conf

添加下面语句到文件中：其中如果代理不需要登陆。username:password@可省略；ip和port请按照实际情况填写。

Acquire::http::Proxy "http://username:password@ip:port";

更新操作系统到最新

sudo apt update
sudo apt upgrade

安装bcmstat

bcmstat 可以检测到如下指标：

CPU fequencies (ARM, Core, H264, V3D, ISP) Temperature (current and peak) for Core and/or PMIC IRQ/s Network Rx/Tx System utilisation (percentage user, nice, idle etc.) CPU load (including individual cores when available) GPU mem usage RAM usage (with/without swap) Memory leak detection (D/A options - instantaneous and accumulated memory deltas) Undervoltage, ARM frequency cap and temperature throttle event monitoring Customisable columns

安装方式：

curl -Ls https://raw.githubusercontent.com/MilhouseVH/bcmstat/master/bcmstat.sh -o ~/bin/bcmstat.sh
chmod +x ~/bin/bcmstat.sh

添加环境变量到.profile，logout再login

export PATH=$PATH:~/bin

添加一个默认配置文件

echo "xgd10" >> ~/.bcmstat.conf

安装golang

下载 go1.15.5.linux-armv6l

执行下面命令：

sudo tar -C /usr/local -xzf go1.15.5.linux-armv6l.tar.gz

添加下面语句到.profile中

export PATH=$PATH:/usr/local/go/bin