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In Windows, it is easy to resolve a hanged system. All you have to do is press CTL+ALT+DEL. And voila! the Task Manager pops up. Everything is simple through attractive UI. But here is a question many people ask – "What should be done while facing a similar situation in Unix?“. This article tackles this question.

It's a fact that a lot of users get confused while handling hanged systems in UNIX. This article helps users deal with the situation in a couple of simple steps. And of course, we use the command prompt to resolve the issue! This is done by determining the PID of the hung process and eventually killing it.

MySQL's replication capabilities allow a database server (also known as a master server) to be replicated on multiple database servers (also known as slave servers). This article will show how Drupal 7 works with MySQL master-slave setup. This is achieved by configuring Drupal's settings.php.

Follow the article to provide details of the MySQL master (such as database name, user name and password). After this, the code provided in the article is used to configure the slaves. By the time you are done with this article, you will be able to perform a MySQL master slave setup with Drupal by yourself!

A popular question is tackled in this article. Which CMS is the right choice for your business? Is it Drupal, WordPress or Joomla? This article provides an unbiased look into determining the best CMS solution for your business. The article also features a couple of websites powered by each of these CMS sites. Go through the article and choose your CMS carefully. In case you wish to provide insights on the topic, you can do so by providing feedback in the comments box.

This article is targeted at those who have worked with Percona XtraDB Cluster installation on Ubuntu.

Rather than setting up MySQL in master-slave mode, it is always advisable to use Percona XtraDB Cluster with a minimum 3 servers so that MySQL can be used efficiently in high-availability, multi-master mode. This ensures that the application will continue to read and write to the MySQL database even if any of the nodes go down.

This article demonstrates the steps to install Percona XtraDB Cluster 5.6 on Ubuntu 12.04. The article goes through the process on a step-by-step basis. Use the code provided to achieve results.

This article is for those users who already have GlusterFS server installed. In the article, we demonstrate how to connect to GlusterFS server from a client. The example shown in the article first installs GlusterFS native client 3.5.2 on Ubuntu 12.04. After this, a series of command line prompts are executed to connect to the GlusterFS server from a client. Add GlusterFS PPA and install its client library. A directory will also be created on the client machine from where GlusterFS will be mounted. Don't forget to replace parameter names with local ones While using the code provided in the article.

Most developers who install MySQL via apt-get on Ubuntu will know that it comes with pre-defined settings. The directory where MySQL stores its data is one such setting. The default location is /var/lib/mysql. There are times when this location will have to be changed. But a lot of developers face difficulty in this regard. This article will guide you through the process. Use the command line prompts provided in the article to arrive at desired results. After you have completed the steps mentioned in this article, make sure you restart MySQL. And voila, MySQL will use the new directory specified by you to store data.

The Search API DB is a popular alternative to Solr. It works with a normal database to index data. This article tackles a Search API DB issue wherein a search for a keyword that appears on multiple nodes returns results in the wrong order of relevance.

The main issue was discovered to be with search_api_db/service.inc, which generated a wrong query. Since the query wasn't grouping the result by field name, the solution was to add a group by condition on the field name. This resolved the issue efficiently. A patch already exists for this issue on Drupal.org, the link to which is provided in the article.

Varnish is generally used to cache pages for anonymous users. It is also used to cache pages by role. At Red Crackle, we deploy Varnish to cache pages by role for corporate sites that are exclusively visible only under SSO. This ensures all users are authenticated but there is no user related information present on most of these pages. This article explains how Varnish caches pages and how configuration can be altered to cache pages by role. The article uses hook_init() to set a cookie that identifies user roles. hook_user_logout() is then used to remove the cookie as soon as the user logs out.

Varnish features a host of modules that provide extra functionality that is not present in the standard installation. These features can be found in the VMODs directory. In order to install any of these modules, Varnish and the module will have to be compiled from source.

In this article, we install the Cookie module that parses the cookie string and deploys it for caching. The article has provided a step-by-step procedure to take you through the installation process. Use the command-line prompts featured in the article to configure and execute the files necessary for the Cookie module installation.

This article helps people who wonder how SEO-friendly Drupal is. By the time you are done with this article, you will be familiar with eight SEO modules that provide great out-of-the-box functionality to get on top of search engine results. The SEO modules discussed here include Pathauto, Page Title, Redirect, Metatag, Global Redirect, XML Sitemap, RobotsTxt and Content Optimizer. Use these modules individually or in combination to get the SEO results you seek for your online site. If you are planning an SEO campaign for your Drupal site, you might want to consider adding the modules featured in this article. We hope this post helps your site meet with success online!