Running the program as root user under centos prompts insufficient permissions

Problem:

When running a program installed under LINUX, root prompts that the permissions are insufficient.

Solution:

1. Check file permissions

#ls   -l   filename

Result: (Recommended tutorial: centos tutorial)

-rw-rw-rw-     1   root   root     ....

means that no user has executable permissions (even the root user).

2. Change permissions

#chmod   a+x   filename

Recommended related video tutorials: linux video tutorial

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