Install Kolab Groupware on a CentOS 7 VPS

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In this article we will guide you through the installation and setup of Kolab on a CentOS 7 Cloud VPS. Kolab is scalable, secure and reliable groupware suite. It comes with well known components for standard tasks such as email server, directory service, and web service. Kolab is completely free and open source and it comes in two editions: Kolab Community edition and Kolab Enterprise edition.

Setup Virtual Users in VSFTPD

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By default vsftpd is configured to work with system users. Setup virtual users instead of system users is a good security practice if you are hosting several web sites and you want the webmasters to have access only to their own files. In today’s article we will explain how to create vsftpd virtual users on a CentOS Cloud VPS

Grep command examples

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Grep is one of the most used commands in Unix (or Linux). The name “grep” means “general regular expression parser” The grep command is used to search for text strings or regular expressions within one or more files. It can be very useful in your daily administration work on your Linux Cloud Hosting account.


Why cloud computing will revolutionize the way we think about computing

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Not everyone is convinced about the significance of the burgeoning shift towards cloud computing, but as time goes by and more and more names become associated with cloud computing, it is beginning to dawn on the computing world just how relevant cloud computing is going to be. At the first onset of cloud computing, only the big names like Apple, Google, and Amazon were seen to be paying it some serious attention. And it seems like the pioneers are right when they predicted that cloud computing is the future of computing and that it will revolutionize the way we think about computing.

But how so?

Why You Should Move From An Ordinary VPS To A Cloud VPS?

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Sometime back, the entire computing world was caught in a heated debate about which one is better for hosting websites, a dedicated server or a Virtual Private Server. The consensus back then was that a Virtual Private Server was better, since it was cheaper to set up, cheaper to run, and allowed hardware to run at higher utilization ratings. A VPS was also dubbed as the more flexible, more widely customizable choice. But it was also true that Virtual Private Servers also posed a lot of problems, especially pertaining to maintenance and backups.

What is Cloud VPS

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The term ‘cloud vps‘ refers to fully redundant and self-healing virtualized servers with automatic fail-over capabilities accessible from anywhere on the Internet.

The actual term ‘cloud’ is coming from telephony services in telecommunication companies who until the 1990s provisioned mainly dedicated point to point data circuits. Then they began providing Virtual Private Network (VPN) services with corresponding quality of service but at a greatly reduced price.