Linux Command

//-->run shell script
chmod +x ./run.sh
./run.sh

//-->download
wget https://baidu.com/index.html
...

//-->ssh copy
//upload file to server [scp #port local_path user@ip:server_path]
scp -P22 ~/test.txt root@192.168.31.193:~/tmp/

//download [scp user@ip:server_path local_path]
//download directory [scp -r user@ip:server_path local_path]