win10子系统ubuntu里面怎么安装msf，还有就是arping命令怎么用的

//输入arp命令
root@DESKTOP-D0MK25P:/home/loufeiyang# arp -a
//报错
/proc/net/arp: No such file or directory

//输入arping <ip>命令报错
arping: libnet_init(LIBNET_LINK, <null>): socket: Address family not supported by protocol


//可能是msf下载命令，找了好几个都不管用
https://raw.githubusercontent.com/rapid7/metasploit-omnibus/master/config/templates/metasploit-framework-wrappers/msfupdate.erb > msfinstall && chmod 755 msfinstall && \./msfinstall
//报错
-bash: https://raw.githubusercontent.com/rapid7/metasploit-omnibus/master/config/templates/metasploit-framework-wrappers/msfupdate.erb: No such file or directory