How to execute script on my Ubuntu via PHP from site
How can I use PHP to execute a script on my Ubuntu server? The site is hosted on the same machine obviously.
I read about exec_shell() and tried this
<?php
$output = shell_exec("ls /var/www");
echo "<h1>Output: " . $output . "</h1>";
?>
But it didn't echo anything on the site, have I misunderstood the function?
Plan is to make a script run on my Ubuntu PC, restarting a few game servers once I click a button on the website.
bash scripts apache2 php
edited Jan 19 at 8:03
Codito ergo sum
1,5043825
asked Jan 18 at 23:36
Jonathan ÖhrströmJonathan Öhrström
12215
|
show 7 more comments
How can I use PHP to execute a script on my Ubuntu server? The site is hosted on the same machine obviously.
I read about exec_shell() and tried this
<?php
$output = shell_exec("ls /var/www");
echo "<h1>Output: " . $output . "</h1>";
?>
But it didn't echo anything on the site, have I misunderstood the function?
Plan is to make a script run on my Ubuntu PC, restarting a few game servers once I click a button on the website.
bash scripts apache2 php
edited Jan 19 at 8:03
Codito ergo sum
1,5043825
asked Jan 18 at 23:36
Jonathan ÖhrströmJonathan Öhrström
12215
According to the documentation: "The output from the executed command or NULL if an error occurred or the command produces no output." Potentially an error have occurred, likely because the process runs with username that does not have access to/var/www. Check the permissions returned withls -ld /var/wwwin shell, perhaps also try different command inshell_exec().
– Sergiy Kolodyazhnyy
Jan 18 at 23:41
Try$output = shell_exec('ls /var/www');andecho "<h1>Output: $output</h1>";, that’s how the manual does it.
– dessert
Jan 18 at 23:41
@SergiyKolodyazhnyy What user is used for theshell_exec()commands?
– Jonathan Öhrström
Jan 18 at 23:50
@dessert Didn't work either, sadly
– Jonathan Öhrström
Jan 18 at 23:50
1
@JonathanÖhrström, you said "But it didn"t echo anything on the site", but if the discussed function fail you must see, at least,<h1>Output:</h1>in the browser - doesn't it?
– pa4080
Jan 19 at 8:47
|
show 7 more comments
How can I use PHP to execute a script on my Ubuntu server? The site is hosted on the same machine obviously.
I read about exec_shell() and tried this
<?php
$output = shell_exec("ls /var/www");
echo "<h1>Output: " . $output . "</h1>";
?>
But it didn't echo anything on the site, have I misunderstood the function?
Plan is to make a script run on my Ubuntu PC, restarting a few game servers once I click a button on the website.
bash scripts apache2 php
edited Jan 19 at 8:03
Codito ergo sum
1,5043825
asked Jan 18 at 23:36
Jonathan ÖhrströmJonathan Öhrström
12215
How can I use PHP to execute a script on my Ubuntu server? The site is hosted on the same machine obviously.
I read about exec_shell() and tried this
<?php
$output = shell_exec("ls /var/www");
echo "<h1>Output: " . $output . "</h1>";
?>
But it didn't echo anything on the site, have I misunderstood the function?
Plan is to make a script run on my Ubuntu PC, restarting a few game servers once I click a button on the website.
bash scripts apache2 php
bash scripts apache2 php
edited Jan 19 at 8:03
Codito ergo sum
1,5043825
asked Jan 18 at 23:36
Jonathan ÖhrströmJonathan Öhrström
12215
edited Jan 19 at 8:03
Codito ergo sum
1,5043825
asked Jan 18 at 23:36
Jonathan ÖhrströmJonathan Öhrström
12215
edited Jan 19 at 8:03
Codito ergo sum
1,5043825
edited Jan 19 at 8:03
Codito ergo sum
1,5043825
edited Jan 19 at 8:03
Codito ergo sum
1,5043825
1,5043825
asked Jan 18 at 23:36
Jonathan ÖhrströmJonathan Öhrström
12215
asked Jan 18 at 23:36
Jonathan ÖhrströmJonathan Öhrström
12215
asked Jan 18 at 23:36
Jonathan ÖhrströmJonathan Öhrström
12215
12215
According to the documentation: "The output from the executed command or NULL if an error occurred or the command produces no output." Potentially an error have occurred, likely because the process runs with username that does not have access to/var/www. Check the permissions returned withls -ld /var/wwwin shell, perhaps also try different command inshell_exec().
– Sergiy Kolodyazhnyy
Jan 18 at 23:41
Try$output = shell_exec('ls /var/www');andecho "<h1>Output: $output</h1>";, that’s how the manual does it.
– dessert
Jan 18 at 23:41
@SergiyKolodyazhnyy What user is used for theshell_exec()commands?
– Jonathan Öhrström
Jan 18 at 23:50
@dessert Didn't work either, sadly
– Jonathan Öhrström
Jan 18 at 23:50
1
@JonathanÖhrström, you said "But it didn"t echo anything on the site", but if the discussed function fail you must see, at least,<h1>Output:</h1>in the browser - doesn't it?
– pa4080
Jan 19 at 8:47
|
show 7 more comments
According to the documentation: "The output from the executed command or NULL if an error occurred or the command produces no output." Potentially an error have occurred, likely because the process runs with username that does not have access to/var/www. Check the permissions returned withls -ld /var/wwwin shell, perhaps also try different command inshell_exec().
– Sergiy Kolodyazhnyy
Jan 18 at 23:41
Try$output = shell_exec('ls /var/www');andecho "<h1>Output: $output</h1>";, that’s how the manual does it.
– dessert
Jan 18 at 23:41
@SergiyKolodyazhnyy What user is used for theshell_exec()commands?
– Jonathan Öhrström
Jan 18 at 23:50
@dessert Didn't work either, sadly
– Jonathan Öhrström
Jan 18 at 23:50
1
@JonathanÖhrström, you said "But it didn"t echo anything on the site", but if the discussed function fail you must see, at least,<h1>Output:</h1>in the browser - doesn't it?
– pa4080
Jan 19 at 8:47
According to the documentation: "The output from the executed command or NULL if an error occurred or the command produces no output." Potentially an error have occurred, likely because the process runs with username that does not have access to
/var/www. Check the permissions returned with ls -ld /var/www in shell, perhaps also try different command in shell_exec().– Sergiy Kolodyazhnyy
Jan 18 at 23:41
According to the documentation: "The output from the executed command or NULL if an error occurred or the command produces no output." Potentially an error have occurred, likely because the process runs with username that does not have access to
/var/www. Check the permissions returned with ls -ld /var/www in shell, perhaps also try different command in shell_exec().– Sergiy Kolodyazhnyy
Jan 18 at 23:41
Try
$output = shell_exec('ls /var/www'); and echo "<h1>Output: $output</h1>";, that’s how the manual does it.– dessert
Jan 18 at 23:41
Try
$output = shell_exec('ls /var/www'); and echo "<h1>Output: $output</h1>";, that’s how the manual does it.– dessert
Jan 18 at 23:41
@SergiyKolodyazhnyy What user is used for the
shell_exec() commands?– Jonathan Öhrström
Jan 18 at 23:50
@SergiyKolodyazhnyy What user is used for the
shell_exec() commands?– Jonathan Öhrström
Jan 18 at 23:50
@dessert Didn't work either, sadly
– Jonathan Öhrström
Jan 18 at 23:50
@dessert Didn't work either, sadly
– Jonathan Öhrström
Jan 18 at 23:50
1
1
@JonathanÖhrström, you said "But it didn"t echo anything on the site", but if the discussed function fail you must see, at least,
<h1>Output:</h1> in the browser - doesn't it?– pa4080
Jan 19 at 8:47
@JonathanÖhrström, you said "But it didn"t echo anything on the site", but if the discussed function fail you must see, at least,
<h1>Output:</h1> in the browser - doesn't it?– pa4080
Jan 19 at 8:47
|
show 7 more comments
1 Answer
1
active
oldest
votes
I've tested your code and in my server it works correctly. It gives the following output:
Output: apps awstats cgi-bin clients conf error html icons ispconfig manual mauco.org med-01.uc.cl php-fcgi-scripts usage
That are the folders in /var/www
I think you may have a privileges issue. What happens if you try with this command:
$output = shell_exec("ls /tmp");
You can also check if what user is being used by apache/nginx
$output = shell_exec("whoami");
Please include screenshots of your results.
answered Jan 25 at 15:40
Philippe DelteilPhilippe Delteil
4841418
passthru();seems to work fine, but still shell_exec doesn't. Using passhthru I found out that apache is using www-data as its user
– Jonathan Öhrström
Jan 26 at 23:16
This $output = shell_exec("ls /tmp"); gives you no output?
– Philippe Delteil
Jan 27 at 0:59
Correct. Doesn't work at all
– Jonathan Öhrström
Jan 27 at 16:22
add a comment |
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1 Answer
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oldest
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1 Answer
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active
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oldest
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votes
I've tested your code and in my server it works correctly. It gives the following output:
Output: apps awstats cgi-bin clients conf error html icons ispconfig manual mauco.org med-01.uc.cl php-fcgi-scripts usage
That are the folders in /var/www
I think you may have a privileges issue. What happens if you try with this command:
$output = shell_exec("ls /tmp");
You can also check if what user is being used by apache/nginx
$output = shell_exec("whoami");
Please include screenshots of your results.
answered Jan 25 at 15:40
Philippe DelteilPhilippe Delteil
4841418
passthru();seems to work fine, but still shell_exec doesn't. Using passhthru I found out that apache is using www-data as its user
– Jonathan Öhrström
Jan 26 at 23:16
This $output = shell_exec("ls /tmp"); gives you no output?
– Philippe Delteil
Jan 27 at 0:59
Correct. Doesn't work at all
– Jonathan Öhrström
Jan 27 at 16:22
add a comment |
I've tested your code and in my server it works correctly. It gives the following output:
Output: apps awstats cgi-bin clients conf error html icons ispconfig manual mauco.org med-01.uc.cl php-fcgi-scripts usage
That are the folders in /var/www
I think you may have a privileges issue. What happens if you try with this command:
$output = shell_exec("ls /tmp");
You can also check if what user is being used by apache/nginx
$output = shell_exec("whoami");
Please include screenshots of your results.
answered Jan 25 at 15:40
Philippe DelteilPhilippe Delteil
4841418
passthru();seems to work fine, but still shell_exec doesn't. Using passhthru I found out that apache is using www-data as its user
– Jonathan Öhrström
Jan 26 at 23:16
This $output = shell_exec("ls /tmp"); gives you no output?
– Philippe Delteil
Jan 27 at 0:59
Correct. Doesn't work at all
– Jonathan Öhrström
Jan 27 at 16:22
add a comment |
I've tested your code and in my server it works correctly. It gives the following output:
Output: apps awstats cgi-bin clients conf error html icons ispconfig manual mauco.org med-01.uc.cl php-fcgi-scripts usage
That are the folders in /var/www
I think you may have a privileges issue. What happens if you try with this command:
$output = shell_exec("ls /tmp");
You can also check if what user is being used by apache/nginx
$output = shell_exec("whoami");
Please include screenshots of your results.
answered Jan 25 at 15:40
Philippe DelteilPhilippe Delteil
4841418
I've tested your code and in my server it works correctly. It gives the following output:
Output: apps awstats cgi-bin clients conf error html icons ispconfig manual mauco.org med-01.uc.cl php-fcgi-scripts usage
That are the folders in /var/www
I think you may have a privileges issue. What happens if you try with this command:
$output = shell_exec("ls /tmp");
You can also check if what user is being used by apache/nginx
$output = shell_exec("whoami");
Please include screenshots of your results.
answered Jan 25 at 15:40
Philippe DelteilPhilippe Delteil
4841418
answered Jan 25 at 15:40
Philippe DelteilPhilippe Delteil
4841418
answered Jan 25 at 15:40
Philippe DelteilPhilippe Delteil
4841418
answered Jan 25 at 15:40
Philippe DelteilPhilippe Delteil
4841418
4841418
passthru();seems to work fine, but still shell_exec doesn't. Using passhthru I found out that apache is using www-data as its user
– Jonathan Öhrström
Jan 26 at 23:16
This $output = shell_exec("ls /tmp"); gives you no output?
– Philippe Delteil
Jan 27 at 0:59
Correct. Doesn't work at all
– Jonathan Öhrström
Jan 27 at 16:22
add a comment |
passthru();seems to work fine, but still shell_exec doesn't. Using passhthru I found out that apache is using www-data as its user
– Jonathan Öhrström
Jan 26 at 23:16
This $output = shell_exec("ls /tmp"); gives you no output?
– Philippe Delteil
Jan 27 at 0:59
Correct. Doesn't work at all
– Jonathan Öhrström
Jan 27 at 16:22
passthru(); seems to work fine, but still shell_exec doesn't. Using passhthru I found out that apache is using www-data as its user– Jonathan Öhrström
Jan 26 at 23:16
passthru(); seems to work fine, but still shell_exec doesn't. Using passhthru I found out that apache is using www-data as its user– Jonathan Öhrström
Jan 26 at 23:16
This $output = shell_exec("ls /tmp"); gives you no output?
– Philippe Delteil
Jan 27 at 0:59
This $output = shell_exec("ls /tmp"); gives you no output?
– Philippe Delteil
Jan 27 at 0:59
Correct. Doesn't work at all
– Jonathan Öhrström
Jan 27 at 16:22
Correct. Doesn't work at all
– Jonathan Öhrström
Jan 27 at 16:22
add a comment |
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According to the documentation: "The output from the executed command or NULL if an error occurred or the command produces no output." Potentially an error have occurred, likely because the process runs with username that does not have access to
/var/www. Check the permissions returned withls -ld /var/wwwin shell, perhaps also try different command inshell_exec().– Sergiy Kolodyazhnyy
Jan 18 at 23:41
Try
$output = shell_exec('ls /var/www');andecho "<h1>Output: $output</h1>";, that’s how the manual does it.– dessert
Jan 18 at 23:41
@SergiyKolodyazhnyy What user is used for the
shell_exec()commands?– Jonathan Öhrström
Jan 18 at 23:50
@dessert Didn't work either, sadly
– Jonathan Öhrström
Jan 18 at 23:50
1
@JonathanÖhrström, you said "But it didn"t echo anything on the site", but if the discussed function fail you must see, at least,
<h1>Output:</h1>in the browser - doesn't it?– pa4080
Jan 19 at 8:47