NGNIX on Cpanel

Install Nginx on cPanel

The bright people over at http://www.nginxcp.com have come up with a wonderful little tool for working with Nginx. It integrates a admin panel into WHM so you can stop and restart Nginx, recreate the vhost config, view the Nginx Logs and check apache.

Also it autoconfigures WHM and Apache for use with Nginx by changing apache from listening on port 80 to port 8081.

For those who don't know what Nginx is its a caching proxy that will cache static content such as images and html files and serves them up without having to access Apache for the content thus improving speed, memory usage and processor overhead. All dynamic content such as php, java and video are proxied to Apache for processing.

So if you have a site that is slow you might benefit from Nginx serving up all the static content and only using Apache to process the php files..

Nginx Admin (Stable version) v3.2 for Cpanel Version 11.30 or above

Install Instructions:

#cd /usr/local/src
#wget http://nginxcp.com/latest/nginxadmin.tar
#tar xf nginxadmin.tar
#cd publicnginx
#./nginxinstaller install

If you receive any pyaml related error or the following error :

—————————–
Welcome to the Nginx Admin installer……Starting Install
Generating vhosts…
Traceback (most recent call last):
File "/scripts/createvhosts.py", line 2, in ?
import yaml
File "/usr/lib/python2.4/site-packages/PyYAML-3.10-py2.4-linux-i686.egg/yaml/__init__.py", line 26
SyntaxError: 'yield' not allowed in a 'try' block with a 'finally' clause
Installing WHM interface…
deploying booster rockets
Traceback (most recent call last):
File "/usr/local/src/publicnginx/nginxinstaller2″, line 9, in ?
import createvhosts
File "/usr/local/src/publicnginx/createvhosts.py", line 2, in ?
import yaml
File "/usr/lib/python2.4/site-packages/PyYAML-3.10-py2.4-linux-i686.egg/yaml/__init__.py", line 26
SyntaxError: 'yield' not allowed in a 'try' block with a 'finally' clause
——————————

Then run execute following commands ….
For i686 architecture :-

# easy_install Pyyaml==3.09
# rm -f /usr/lib/python2.4/site-packages/PyYAML-3.10-py2.4-linux-i686.egg

For x86_64 architecture :-

# easy_install Pyyaml==3.09
# rm -f /usr/lib/python2.4/site-packages/PyYAML-3.10-py2.4-linux-x86_64.egg

Then Again run the following commands :-

# ./nginxinstaller install
# /etc/init.d/httpd restart

Now Nginx run on the port no:80 and apache run on the port no.8081.You can manage the nginx through WHM >> Main >> Nginx Admin

To uninstall nginx use following :-

#  cd /usr/local/src
#  wget http://nginxcp.com/nginxadmin2.8-stable.tar
#  tar xf nginxadmin2.8-stable.tar
#  cd publicnginx
#  ./nginxinstaller uninstall

Postfix Flush the Mail Queue

Postfix Flush the Mail Queue


Traditionally you use the "sendmail -q" command to flush mail queue under Sendmail MTA. Under Postfix MTA, just enter the following command to flush the mail queue:
# postfix flush
OR
# postfix -f

To see mail queue, enter:
# mailq

To remove all mail from the queue, enter:
# postsuper -d ALL

To remove all mails in the deferred queue, enter:
# postsuper -d ALL deferred
postfix-delete.pl script

Following script deletes all mail from the mailq which matches the regular expression specified as the first argument (Credit: ??? - I found it on old good newsgroup)

#!/usr/bin/perl
 
$REGEXP = shift || die "no email-adress given (regexp-style, e.g. bl.*\@yahoo.com)!";
 
@data = qx</usr/sbin/postqueue -p>;
for (@data) {
  if (/^(\w+)(\*|\!)?\s/) {
     $queue_id = $1;
  }
  if($queue_id) {
    if (/$REGEXP/i) {
      $Q{$queue_id} = 1;
      $queue_id = "";
    }
  }
}
 
#open(POSTSUPER,"|cat") || die "couldn't open postsuper" ;
open(POSTSUPER,"|postsuper -d -") || die "couldn't open postsuper" ;
 
foreach (keys %Q) {
  print POSTSUPER "$_\n";
};
close(POSTSUPER);
 

For example, delete all queued messages from or to the domain called fackspamdomain.com, enter:
./postfix-delete.pl fackspamdomain.com
Delete all queued messages that contain the word "xyz" in the e-mail address:
./postfix-delete.pl xyz

Adding Recapcha in Joomla

Download the Recapcha plugin from here : http://www.unixmen.com/joomla-tutorials/776-howto-integrate-recaptcha-antispam-in-joomla-contact-and-registration-form-

1. Login to Joomla Administration --> Extensions--> Install/Uninstall

2. Upload the package file and Click on "Upload Fle and Install"

3. Go to Plugin Manager and it will be shown as System - JEZ ReCaptcha, publish it
    and then click on it .

4 .It will open the setting for JEZ ReCapcha plugin ,do the following .
* Enabled : yes
reCAPTCHA Public :
reCAPTCHA Private :
Inclusion Syntax : No
Auto-verify : Yes

Note : The reptcha public and private key has to be generated by signing  into you google accounts /

https://admin.recaptcha.net/recaptcha/sites/

--
Regards
---
Rachit Seth