machine-os: install netcat about okd HOT 5 CLOSED

ls -la /usr/bin/nc                                                                             
lrwxrwxrwx. 1 root root 20 Mar 15 20:33 /usr/bin/nc -> /etc/alternatives/nc

bash-5.2# rpm -ql netcat
/usr/bin/nc
/usr/bin/netcat
/usr/lib/.build-id
/usr/lib/.build-id/5e
/usr/lib/.build-id/5e/2cf9a27e870b9c05dba3677208e6ae1afd2fdc
/usr/share/man/man1/nc.1.gz
/usr/share/man/man1/netcat.1.gz
bash-5.2# /usr/bin/nc
bash: /usr/bin/nc: No such file or directory
bash-5.2# /usr/bin/netcat
usage: nc [-46cDdFhklNnrStUuvz] [-C certfile] [-e name] [-H hash] [-I length]
	  [-i interval] [-K keyfile] [-M ttl] [-m minttl] [-O length]
	  [-o staplefile] [-P proxy_username] [-p source_port] [-R CAfile]
	  [-s sourceaddr] [-T keyword] [-V rtable] [-W recvlimit] [-w timeout]
	  [-X proxy_protocol] [-x proxy_address[:port]] [-Z peercertfile]
	  [destination] [port]