Nexcess Knowledge Base

Learn more about the Apache HTTP Server's .htpasswd file. This article provides the definition and purpose of the .htpasswd file and how it facilitates basic access authentication on the server.

Learn common .htaccess rewrite commands and improve your site's functionality with our easy-to-follow guide.

Learn how to optimize JPEGs, PNGs, and GIFs from the CLI using jpegoptim, OptiPNG, and Gifsicle — all Nexcess servers have the jpegoptim, OptiPNG, and Gifsicle utilities installed.

Standing for server name indication, SNI is an TLS protocol extension that allows a server to connect multiple SSL certificates a single IP address.

Learn how to use TraceRoute to troubleshoot network connection issues. Follow our step-by-step instructions for Windows and Mac OSX.

Understand what WHOIS is and why it's important in web hosting. Learn how to perform a WHOIS search.

Learn how to install and launch the My Traceroute (MTR) tool with a brief introduction to MTR results. Reading the MTR results is covered more extensively in the How to interpret MTR results article.

The most significant benefit of dedicated IP addresses involves not sharing an IP address with potential email spammers, who can be blacklisted by mail servers. Nexcess offers dedicated IP addresses.

How to view your bandwidth usage with either the Nexcess Client Portal or SiteWorx, and the advantages and disadvantages of each method.