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Help Troubleshoot Web Server Troubleshooting Errors



If you are having difficulty solving problems with the web server on your system, this user guide can help.



This tutorial provides troubleshooting strategies when you are unable to connect to a web server, database, or other service running on your Linode. This tutorial assumes you have SSH access. If you cannot SSH connect, checkTroubleshoot SSH, then return to this tutorial.

troubleshooting web server problems

This tutorial explains how to use various troubleshooting commands in Linode. These commands can generate diagnostic information and logs that can help determine the cause of connectivity problems. As specific examples of diagnostic information, this guide also explains the cause of the problem and suggests solutions.

If the information and logs you have collected do not match the solution described here, you should search the Linode community site for messages that match the symptoms on your system. Or post a new question on the community site and add the results of your orders.

Linode is not responsible for configuring or installing anyth software on your Linode. You can find a description of the issues Linode support can help you with in the Linode support section.

This tutorial explains how to use various troubleshooting commands in Linode. These commands can …

What Types Of Problems Are Typical?

While atypical problems sometimes arise, the vast majority of the problems you face when trying to get your website to work fall on a very predictable spectrum.

We’ll look at these in more detail in the following sections. For now, here’s a simple checklist to watch out for:

  • Is your web server installed?
  • Is the web server running?
  • Is the syntax for your web server configuration files correct?
  • Are the ports you configured open (not blocked by a firewall)?
  • Are you entering DNS settings correctly?
  • Does the document root point to the location of your files?
  • Is your web server providing the correct index files?
  • Are the access rights correctWhoa and ownership of the file and directory structure?
  • Are you restricting access via config files?
  • If you have a database backend, does this work?
  • Can your site successfully connect to the database?
  • Is your web server configured to deliver dynamic content to the scripting engine?

These are some of the most common problems that administrators face when a site is not working properly. The exact problem can usually be resolved by looking at the log files for the various components and referring to the error pages displayed in your browser.

We’ll cover each of these scenarios below so you can make sure your services are configured correctly.

🠖 ¹ Resolving Name Resolution Issues

Names may seem unimportant at first, but remember that computers use names to communicate. These names must be translated to IP addresses. If you encounter a connection problem, try to connect to another system by IP address and name. If the server cannot communicate by hostname, but can connect by IP address, check WINS settings, DNS settings, and HOSTS and LMHOSTS files.