Free VoIP smartphone apps comparison (KakaoTalk vs. Talkatone vs. Skype)

There are many Android Apps allowing you to convert your Smartphone or smart devices into an internet phone, which provides various features such as video calling, sharing pictures, and texting without inexpensive charges. All the data can be sent or received via Wi-Fi or 3G/4G. If the data transfers using 3G/4G networks, there is a fee for the data usage depending on your service plan with your phone service providers.

[SOLVED] How to delete large number of files in clientmqueue?

We have a VPS server running Magento flawlessly for nearly a year. The filesystem has been completely filled with mails queued in clientmqueue, and MySQL can't add more data causing the website to halt. Sendmail was running fine, but we've had a difficult time deleting files residing in /var/spool/clientmqueue folder. The following commands failed:

Salesforce Visualforce Overview

Visualforce is a technology used in force.com for building custom user interfaces. It is analogous to Java Server Pages (JSP) with Java Server Faces (JSF) in Java technology. Visualforce uses Apex classes (controllers) containing business logic, and visualforce pages and visualforce components containing the presentation.

How do you setup dual NIC, multi-homed host?

A multi-homed host is known as a computer that has multiple network connections, of which the connections may or may not be the same network. Web hosts and application service providers set up a multihomed router (or system) to connect to two or more upstream Internet Service Providers and set up network redundancy. The term, multihomed, is used to denote that a system is connected to multiple networks.

How to make backups with Linux and Rsync?

As a web host, we needed an automated mechanism for generating snapshots of server filesystems on the Linux-based systems. There are a number of ways to achieve backups on Linux systems including Remote backup using Linux tar/ssh/cron and incremental tar backups on a local file system. One of the drawbacks of using tar to perform an entire filesystem backup is that some systems do not have the ability to create a compressed tarball greater than 2GB in size.

How do you customize Google Custom Search Engine (CSE)?

Have you tried to customize the Google CSE search box to fit your website theme, and having difficulty implementing it? You're not alone. I've browsed Google CSE documentation for some time, but this information is buried under the hood, and took me a while to figure this out. This is a 2-page Search & Results page design. You'll style the form element however you wish to design.