虚拟机安装hadoop namenode格式报错-bash: /opt/software/hadoop/hadoop-2.7.7/bin/hdfs: Permission denied如何解决

虚拟机安装hadoop namenode格式报错
-bash: /opt/software/hadoop/hadoop-2.7.7/bin/hdfs: Permission denied
如何解决

权限问题
chmod +x /opt/software/hadoop/hadoop-2.7.7/bin/hdfs
设置下权限