You had just did a weekly install of some OS which did not detected Linux, Follow the steps mentioned below to get GRUB working again. Please note this would erase the current bootloader and install a new one for you if you are unsure of what you are doing do not try this
if sudo doesnot works switch to root user and use grub drectly, Find the ROOT device you will get the values for X & Y which will be used later.
Set the root device from the information achieved from the above command
Drupal uses the php mail() function to send emails by default.
Here is a module which adds SMTP functionality to Drupal. More specifically, the ability for your site to send mail using an SMTP server that requires authentication.
Link to Module http://drupal.org/project/smtp
This module is currently in Beta stage for Drupal 6.x, i just tried it works fine and you can use this too. remember to read INSTALL.txt before installing this module as there are certain dependencies which are needed to have this module working.
This module uses the smtp and mail class’s from PHPMailer. http://phpmailer.sourceforge.net
Its very simple to masquerade in linux with few lines of iptables and ip_forward commands.
Assumptions : Your Linux box has 2 NIC's one connected to internet (eth0) other connected to local network (eth1 IP 192.168.0.10)
first of all you have to flush and delete existing firewall rules which are there by default in linux .
so flush rules by typing the following in terminal
iptables -t nat -F
iptables -t mangle -F
now delete the chains by using
iptables -t nat -X
iptables -t mangle -X
now its time to save iptables so type
service iptables save
service iptables restart
now all rules and chains will clear !
check it by /etc/sysconfig/iptables which has all defaults rules set to accept.
now open /etc/rc.d/rc.local
and insert the following line
Guest book is one of the essential part for any website, To add a guestbook on your drupal site you can use the guestbook module, the problem you would face is adding a captcha to this now captcha is also very essential to control spam now how to add captcha its very simple just execute the following query
INSERT INTO `captcha_points` ( `form_id` , `module` , `type` )
( 'guestbook_form_entry_form', NULL , NULL );
and you are done now go to /admin/user/captcha on your site and enable captcha on guestbook this would look something like this