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Bash: /script_name Permission denied

Posted on 2004-08-31
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Last Modified: 2006-11-17
The scripts I am referring to are written in Perl and are part of my CGI-based applications.

The execute bit for these files are already set (chmod 755).

I have no problems running them on  another server.

If I do a    perl my_script.cgi ,   no errors from the script are generated.

If I run directly I get permission denied error:

    myshell$ ./my_script.cgi
    bash: ./my_script.cgi: Permission denied

I already checked that the scripts point to the location of perl.

What else could be the problem?


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Question by:rqs
11 Comments
 
LVL 38

Expert Comment

by:yuzh
ID: 11948733
type in:

ls -al my_script.cgi
to check the script permission.

when you run:
./my_script.cgi

the script should be under the current dir, otherwise, you need to do:
/path-to/my_script.cgi
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Author Comment

by:rqs
ID: 11949184
the file permission is already -rwxr-xr-x for the said file.
and the current directory i'm in when I run ./my_script.cgi is the location of the file.
What else should I try?
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LVL 38

Expert Comment

by:yuzh
ID: 11949242
It is strange!

Can you please test to see if you can run this little script:

#!/bin/bash
echo "Hello"
exit

If you can run the above script, please post the 1st line of my_script.cgi
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LVL 2

Author Comment

by:rqs
ID: 11949473
Hey, tried the script. still get the same error: Permission denied. =(
Its strange for me and I couldn't think of any
other reason for this error.
0
 
LVL 38

Expert Comment

by:yuzh
ID: 11949523
Have you made any change to your system?

type in:
echo $SHELL
echo $PATH

and post the output.

Can you try to run the same script as another user?
0
 
LVL 11

Expert Comment

by:avizit
ID: 11949899
type

which bash
and see if bash is present and also that its present at /bin/bash
0
 
LVL 2

Author Comment

by:rqs
ID: 11950022
which bash points to /bin/bash
bash is indeed present in /bin/bash...
0
 
LVL 20

Expert Comment

by:Gns
ID: 11954304
Fun.
Could you quote the exact script (the nonworking one you've typed in) from above _verbatim_ here... like

---------------------
script
---------------------

so that we see there's no strangeness with the first lines "hash-bang" thing (like spurious whitespace or somesuch). Also, what shell/version/distro is this user using?

Could you also try doing
/bin/sh ./myscript.cgi
and (if you have it)
/bin/ash ./myscript.cgi

-- Glenn
0
 
LVL 2

Expert Comment

by:sneeuw_chan
ID: 11955848
I ran a couple tests and the only way I get the error you describe above is when the script doesn't have the executable bit set.  (Or maybe the read bit).  ALthough I must admit having run into this problem myself once, and being stumped for some time as well.  Pity I can't recall what the problem was (might have been the x-bit tho'.)
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Accepted Solution

by:
cheail earned 500 total points
ID: 11960039
If the permissions are set 755, and ./my_script generates permissions denied, how is the filesystem mounted?
If the filesystem that ./my_script lives on is mounted noexec, then the interpretor wont allow you to run it directly with ./my_script

- Michael
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Author Comment

by:rqs
ID: 11960426
Mounted and unmounted the filesystem and changed setting on fstab.
That did it. my scripts now run.
Thanks Michael =)
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