Soviero asked:
Is there a tool in Linux that will take a path such as /var/log/httpd/error_log, and print the permission for each branch of the path, i.e.:
/var: root:root, 0755
/var/log: root:root, 0755
/var/log/httpd: www-data:root, 0700
/var/log/httpd/error_log: www-data:www-data, 0644
Such a tool would make permission troubleshooting much easier, especially with exceptionally long paths like on file servers and such.
My answer:
You want namei.
# namei -l /var/log/nginx/error.log
f: /var/log/nginx/error.log
drwxr-xr-x root root /
drwxr-xr-x root root var
drwxr-xr-x root root log
drwx------ nginx nginx nginx
-rw-r--r-- nginx nginx error.log
Note that this command is Linux-specific and may not exist on other operating systems. Also do not confuse it with the namei() system call.
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