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All Entries in the "Technical" Category
How to Configure StarWind?
StarWind(Based on iSCSI) is used to create a shared storage area on a Windows Server for use with clustered environment. Download the software from http://www.starwindsoftware.com and complete the installation steps. Then, Start > All Programs > StarWind Software > StarWind Click on Connect, provide the username and password. Right click on Targets, you will get [...]
Share point 2007: Basic farm Installation
Hardware requirements Front-end Web server and application server computers: a dual-processor computer with processor clock speeds of 2.5-gigahertz (GHz) or higher and a minimum of 2 gigabytes (GB) of RAM. Back-end database server: a dual-processor computer with processor clock speeds of 2.0 GHz or higher and a minimum of 2 GB of RAM. Software requirements [...]
Setting up a Private Cloud using Ubuntu 10.04
If we can get the Ubuntu 10.04 latest server edition, this can be done easily. As it comes with an option to select whether we need to setup a normal server or Ubuntu Cluster. On the main cluster controller we can select the cluster option and also need to specify the IP range needed for [...]
What is Cloud Computing?
Cloud computing mainly focuses on sharing or clouding all necessities needed for deploying an application efficiently, from various well maintained resources. One of the most important ideas behind cloud computing is scalability, and virtualization is the technology that makes it possible. Virtualization allows better use of a server by aggregating multiple operating systems and applications [...]
Nginx High Availabily Clustering using Wackamole
Ipswitching in an Nginx can be done by Wackamole. Wackamole is an application that helps with making a cluster highly available. It manages a bunch of virtual IPs, that should be available to the outside world at all times. Wackamole ensures that a single machine within a cluster is listening on each virtual IP address [...]
Database Mapping with cPanel
cPanel introduces the Database Mapping feature with version 11.25.1. This feature lays the groundwork for providing more flexibility in naming databases and database users. In the past, cPanel has always appended an account’s username to any database name or database username created by the account (for example, a database might be named “user_dbname”). This changes [...]
550 Requested action not taken: mailbox unavailable or not local
Issue : Following error appears in the bounce back message while trying to send out an email : 550 Requested action not taken: mailbox unavailable or not local Solution : This issue can be resolved in the following way : 1) Log in to the windows server with RDP( Remote desktop) 2) Start-> Run -> [...]
How to set up a forwarder for outgoing emails?
Issue : How can emails going out from a particular domain be copied to a common email address ? Solution : In order to set up a forwarder for outgoing emails from a particular domain to another email address, use the following steps : First, open the file /etc/cpanel_exim_system_filter using any of your favorite editors. [...]
Error in Exponent CMS installation : File Uploads Enabled : Failed
Issue : While performing the System Requirement Check for the above, following error occurred : File Uploads Enabled : Failed However, in the server file_uploads was On. Fix : To fix this issue, edit the file install/include/sanity.php Replace the following line: $global_i18n[‘check_upload’]=>_sanity_checkTemp(ini_get(‘upload_tmp_dir’)), with $global_i18n[‘check_upload’]=>_sanity_checkTemp(BASE.’tmp’),
Last stats WARNING in Nagios
Issue : Nagios was set up for the server recently and the following warning shows up regularly : =================================================== Server Last Stats WARNING 03-10-2010 19:25:46 0d 7h 17m 53s 3/3 WARNING on /var/cpanel/lastrun/ – Last updated 161545 seconds ago. =================================================== Solution : First, try running the script /scripts/runstatsonce If that doesn’t work then go to [...]
SpamAssassin : WHM ACL Options : Reject mails with spam score at SMTP time
Issue : It seems that by default, it is set to reject mails with a spam score of more than 20 at SMTP time. How to change the value of spam score for rejecting the mails at SMTP time ? Solution : You can do that by doing the following : 1. Go to WHM [...]
Change in hostname causing redirection on secure access
Issue : The server hostname was changed. Ever since that, secure access such as http://servername.new:2087 redirects to https://servername.old:2087 Fix : This happens when the SSL certificate has not been reset for the services. Go to WHM >> Manage Service SSL Certificates. Re-issue all the service certificates. This should resolve the issue!
How to enable SuPHP ?
Issue : How to enable SuPHP ? Solution : Login to WHM. Go to “Service Configuration >> Apache Configuration >> Configure PHP and Suexec” and check if SuPHP is available in the drop down menu. If it is available then select it and save the configuration after a dry run. SuExec should also be available [...]
How to change the default email settings ?
Issue : Whenever a new account is created, the server sends out an email notification. Where can this setting be accessed and modified? Fix : Just go to WHM >> Basic cPanel/WHM Setup >> Server Contact Email Address. You can make the required changes there.
Turn off bandwidth monitoring
Issue : How to turn off the bandwidth monitoring module in cPanel ? Solution : Go to WHM >> Service Configuration >> Service Manager. Look for ‘cPBandwd’. Make sure that the check box besides that is unchecked. Save the settings and that should be it !
