[hadoop@server04 sbin]$ ./start-dfs.sh Starting namenodes on [localhost] The authenticity of host 'localhost (127.0.0.1)' can't be established. ECDSA key fingerprint is 44:92:44:48:ec:dc:71:9b:90:a0:6e:92:20:8b:cf:16. Are you sure you want to continue connecting (yes/no)? yes localhost: Warning: Permanently added 'localhost' (ECDSA) to the list of known hosts. hadoop@localhost's password: localhost: starting namenode, logging to /home/hadoop/app/hadoop-2.8.2/logs/hadoop-hadoop-namenode-server04.out hadoop@localhost's password: localhost: starting datanode, logging to /home/hadoop/app/hadoop-2.8.2/logs/hadoop-hadoop-datanode-server04.out Starting secondary namenodes [localhost] hadoop@localhost's password: localhost: starting secondarynamenode, logging to /home/hadoop/app/hadoop-2.8.2/logs/hadoop-hadoop-secondarynamenode-server04.out
2.执行 start-yarn.sh 脚本
1
./start-yarn.sh
输出信息如下:
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[hadoop@server04 sbin]$ ./start-yarn.sh starting yarn daemons starting resourcemanager, logging to /home/hadoop/app/hadoop-2.8.2/logs/yarn-hadoop-resourcemanager-server04.out hadoop@localhost's password: localhost: starting nodemanager, logging to /home/hadoop/app/hadoop-2.8.2/logs/yarn-hadoop-nodemanager-server04.out