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Web servers

What are "Man" pages?

Question: What is a “man” page? Answer: Linux and other Unix-like operating systems usually have hundreds of commands that a user can execute from the command line. When running a dedicated server, there are a few that you will use regularly, but there may be instances when you need to …

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What is a subdomain?

Question: What is a subdomain and why should I use one? Answer: A subdomain is simply a word used as a prefix before a domain name. For example, if the domain is domain.com, a subdomain could be sub.domain.com. Typically, a subdomain would serve as an alternative to domain.com/sub, although if …

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Linux Dedicated Server Logs

Question: Where do I view logs on my dedicated server? Answer: Most of the logs on a Linux operating system are kept in the /var/log directory. There you will find logs for the main system, kernel, network, hardware, Apache, MySQL, and often times other third-party applications that you might happen …

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What is a cgi-bin directory?

Question: What is the purpose of a cgi-bin directory? Answer: CGI programs running on a server must be executable. While this allows the user to run server-side scripts, including convenient free ones found on the web, it also presents a security risk. Most virtual hosting situations restrict execution of Perl …

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Understanding Linux Services

In a Linux-based operating system, a service is a program that can be executed at startup and run in the background. The user can also execute it at any time from the command line. On a Linux dedicated server, services are very important, as most of the critical applications are …

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Reseller vs Dedicated Hosting

Question: What is reseller hosting and how does it differ from dedicated server hosting? Answer: Reseller hosting is when a web hosting provider sells you a number of bulk hosting accounts that you can then turn around and market to your own customers for profit. It differs from a dedicated …

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Common Server Port Numbers

Question: What are some common port numbers used in web hosting? Answer: Most firewalls come configured with the essential port numbers open and the rest of them closed. Nevertheless, it is still important to know which ports do what, whether you are running a dedicated server or just one shared …

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