Hi, I'm using Centos 7 and I had been to execute mkdir in perl from web, but it's not executed, the /etc/profile has:

if [ $UID -gt 199 ] && [ "`/usr/bin/id -gn`" = "`/usr/bin/id -un`" ]; 
+then
    umask 002
else
    umask 022
fi
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1er. condition:

apache:x:48:48:Apache:/usr/share/httpd:/sbin/nologin

2do. Condición:

root=root

The condition is false, so umask=022

File permissions for upload files: first I created a directory using mkdir from perl but it's not create:

my @archivos = $cgi->param("archivos");
my $inst = $cgi->param("inst");
my $fecha = $cgi->param("date1");
my $anio=substr($fecha,2,2);
my $mes=substr($fecha,5,2);
my $dia=substr($fecha,8,2);
my @nombre_archivos = ("NI","RP","RDZ","CRF");
my $upload_dir = "/var/www/html/public_html/rev/$inst/$anio-$mes-$dia"
+;
mkdir $upload_dir, 0775;
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BUT THE DIRECTORY WASN'T BEEN CREATE.

Please will you help me? The permissons that I had been set are:

#/var/www/html
drwxr-xr-x.  5 apache apache    4096 Dec 20 15:00 public_html
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The error web messages is:

Software error:

No such file or directory at /var/www/cgi-bin/programs/upload_modif_ok
+.cgi line 49.
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Line 49 is:

open ( UPLOADFILE, ">$upload_dir/$anio-$mes-$dia-$nombre_archivos[$ind
+]" ) or die "$!";
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For help, please send mail to the webmaster (root@localhost), giving t
+his error message and the time and date of the error.
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The /varlog/http/error has:

[Tue Jan 08 09:43:34.876310 2019] [cgi:error] [pid 31695] [client...] 
+AH01215: [Tue Jan  8 09:43:34 2019] upload_modif_ok.cgi: No such file
+ or directory at /var/www/cgi-bin/programs/upload_modif_ok.cgi line 4
+9., referer: http://...
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Thanks a lot.

Regards. Seafree