x86可直接下载，运行
http://www.busybox.net/downloads/binaries/1.31.0-defconfig-multiarch-musl/

arm+KylinV4.0.2需要编译安装

apt install atpitude
aptitude install libncurses5-dev
下载源码：make menuconfig；选择Build Busybox as a static binary(no shared libs)
make && make install

mips+NeoKylinV7需要编译安装

yum -y install ncurses*
make menuconfig；选择Build Busybox as a static binary(no shared libs)
yum install -y glibc-n32-static.mips64el
yum install -y glibc-static.mips64el
make && make install

链接：https://pan.baidu.com/s/1EeGv6Hqr5HH1MS-D_OhzIA
提取码：rkt9

编译安装busybox

原文：https://blog.51cto.com/10659154/2496537