우분투 명령어 모음
초기화1
sudo rm -rf /home/hadoop
sudo mkdir /home/hadoop
sudo chown sist /home/hadoop
sudo mkdir /home/hadoop/hdfs
sudo chown sist /home/hadoop/hdfs
sudo mkdir /home/hadoop/hdfs/temp
sudo mkdir /home/hadoop/hdfs/data
sudo mkdir /home/hadoop/hdfs/name
sudo mkdir /home/hadoop/hdfs/mapred
sudo chown sist /home/hadoop/hdfs/temp
sudo chown sist /home/hadoop/hdfs/data
sudo chown sist /home/hadoop/hdfs/name
sudo chown sist /home/hadoop/hdfs/mapred
라고 쓰기
sudo mkdir /home/hadoop/zk_data
sudo nano /home/hadoop/zk_data/myid
하고 1이라고 쓰고 저장
sudo chown sist /home/hadoop/zk_data/
sudo chown sist /home/hadoop/zk_data/myid
라고 쓰기
끝.
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완전초기화(주의)
cd /home/sist
rm -rf .ssh
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host 파일
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
211.238.142.84 ns1 zookeeper1 NameNode
211.238.142.91 ns2 zookeeper2 SecondaryNode
211.238.142.76 ns3 zookeeper3 DataNode01
211.238.142.94 ns4 zookeeper4 DataNode02
211.238.142.80 ns5 zookeeper5 DataNode03
211.238.142.78 ns6 zookeeper6 DataNode04
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hostname 파일
ns6
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cd /etc
sudo chmod 646 hosts
sudo nano hosts
sudo chmod 646 hostname
sudo nano hostname
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인증키 만들기(처음)
cd /home/sist
rm -rf .ssh
mkdir .ssh
cd .ssh
ssh-keygen -t rsa
(엔터 세번 후)
cat id_rsa.pub >> authorized_keys
more authorized_keys
(쉬고)
ssh sist@SecondaryNode cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
ssh sist@DataNode01 cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
ssh sist@DataNode02 cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
ssh sist@DataNode03 cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
ssh sist@DataNode04 cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
more authorized_keys