Cloudera Installation issue (scm_prepare_node.sh: Permission denied)

[#1]

When i am trying to installing cloudera hadoop i am getting below error while copying the files stage

/tmp/scm_prepare_node.BggVxw3l 
bash: /tmp/scm_prepare_node.BggVxw3l/scm_prepare_node.sh: Permission denied

Can anyone help to fix this issue.

P.S: tmp having 777 permissions 

drwxrwxrwt. 41 root root 4096 May 9 14:59 tmp

[#2 · Accepted solution]

my /tmp was mounted. So i changed noexec permissions in /etc/fstab then restarted the machines. Now everything working fine