- hostname: master is hadoop master
- example
sudo -i
echo "111.111.111.111 master" > /etc/hosts
- keyfile name:key_bigdata.pem
$ ls
do.sh hive_empdept.sh mykey.pem
git clone https://github.com/Finfra/testPrj.git
cd testPrj
scp ~/mykey.pem ./
. do.sh
~
~
OK
20 2518.75
10 2916.6666666666665
Time taken: 1.117 seconds, Fetched: 2 row(s)
OK
dept
emp
Time taken: 0.032 seconds, Fetched: 2 row(s)