Using cURL with the OpenStack API

A quick way to test drive the OpenStack API is to use the cURL(1) command line utility. cURL is a command-line tool that allows you to send HTTP requests and receive responses. The OpenStack API is based on OpenStack, which provides a RESTful API using standard HTTP methods (GET, POST, etc) and a convenient URL format. […]

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Troubleshooting with MTR procedures (Windows)

To troubleshoot network problems, you may want to complete a MyTraceRoute (MTR) report since firewalls may compromise results. The procedure is simple. Follow these steps: Generate an MTR report with Windows Download a winMTR program, such as http://sourceforge.net/projects/winmtr/ Once installation is complete, open the application. It is not necessary to install it since opening the […]

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Verifying PTR (reverse DNS) records

A reverse DNS (configured as a PTR record) is the association of a domain name with a given IP address. The standards of reverse DNS/PTR mechanism are described in the following RFCs: RFC1033 and RFC1912 Section 2.1 The best practices for servers is to have a PTR associate with each IP addresse used to send emails. The domain provided […]

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IP address request guidelines

The IP address allowance policies are managed by ARIN which manages allocation of IP resources in North America. One of ARIN’s policies obligates us to justify IP usage. Failure to provide good IP usage justification will prevent us from obtaining new IP addresses blocks. ARIN can verify at any moment if the use of the IP addresses […]

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Performing a hard/APC reboot

If systems are not responding on your server, a hard reboot can be performed as a last resort. It is important to remember that a hard reboot will cause your website and all hosted services to become offline temporarily. NOTE: Customers with servers in our Amsterdam, Dallas, Santa Clara and Singapore locations need to contact Customer Service […]

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Uploading a temporary maintenance page

During migration, maintenance or other times, you may want to suspend access to website(s) within a server. NOTE: This method will only work if the server is online/reachable. It cannot be used for an offline server during a hardware  or a network maintenance. Remember that during a migration the .htaccess page will also be moved […]

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Previewing a website

To preview the content of a website without modifying the DNS configuration of a domain is to (temporarily) force your computer to make the domain point on a specific IP address. Follow these steps to do so:   Microsoft Windows Open up your hosts file with a text editor (such as notepad). Click on “Start” […]

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Managing whois records

The WHOIS A whois (pronounded who is), also known as  shared whois project (SWIP) is a common protocol that allows looking up registration information on a domain name or IP address. There are many databases available to perform these kinds of lookups so you can use many websites that will provide you with the same information […]

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