I guess it's in DOS format..can you execute "dos2unix start-yarn.sh" and check once..?
________________________________ From: johnsonngu...@ups.com.INVALID <johnsonngu...@ups.com.INVALID> Sent: Wednesday, July 19, 2017 3:06 AM To: user@hadoop.apache.org Subject: Hadoop Issues - Can't find on StackOverflow Hi Hadoop People, I cannot get my YARN to run for my single node cluster. The error I receive when I run start-yarn.sh is: No Title starting yarn daemons mkdir: cannot create directory ‘/opt/hadoop/bin/yarn.cmd’: Not a directory chown: cannot access ‘/opt/hadoop/bin/yarn.cmd/logs’: Not a directory starting resourcemanager, logging to /opt/hadoop/bin/yarn.cmd/logs/yarn-vkq8pyw-resourcemanager-master.out /root/hadoop-2.7.2/sbin/yarn-daemon.sh: line 123: cd: /opt/hadoop/bin/yarn.cmd: Not a directory /root/hadoop-2.7.2/sbin/yarn-daemon.sh: line 124: /opt/hadoop/bin/yarn.cmd/logs/yarn-vkq8pyw-resourcemanager-master.out: Not a directory head: cannot open ‘/opt/hadoop/bin/yarn.cmd/logs/yarn-vkq8pyw-resourcemanager-master.out’ for reading: Not a directory /root/hadoop-2.7.2/sbin/yarn-daemon.sh: line 129: /opt/hadoop/bin/yarn.cmd/logs/yarn-vkq8pyw-resourcemanager-master.out: Not a directory /root/hadoop-2.7.2/sbin/yarn-daemon.sh: line 130: /opt/hadoop/bin/yarn.cmd/logs/yarn-vkq8pyw-resourcemanager-master.out: Not a directory If there is a fix to this, please do tell. Thank you for your help and reading. Best Regards, Johnson Nguyen