TheGreenSummer的博客

sudo mkdir /usr/local/arm #新建文件夹arm tar -jxf gcc-arm-linux10.2.tar.xz -C /usr/local/arm #解压到指定目录（此条命令如果不成功将-jxf改为-xvf） gedit /etc/bash.bahsrc #打开后配置环境变量 export PATH=$PATH:/usr/local/arm/gcc-arm-10.2/bin export LD_LIBRARY=$LD_LIBRARY_PATH:/usr/local

sudo su sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak # 将原有的源文件复制保存 gedit /etc/apt/sources.list #打开 粘贴以下内容至最后并按回车到下一行（否则会报错） deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ focal main restricted universe multiverse # deb-src https://mirro