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How to install Guacamole

  • Posted on March 3, 2023
  • by smartsource

Guacamole is an HTML5 web application that provides access to desktop environments using remote desktop protocols (such as VNC or RDP). So with Guacamole you can give web access to your…

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  • How-Tos

how to reinstall GUI for rhel 8

  • Posted on February 24, 2023
  • by smartsource

To install/reinstall GUI for Red Hat Linux, run the below commands.

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  • Answers

Error starting solr: javax.ws.rs.InternalServerErrorException: HTTP 500 Server Error

  • Posted on February 22, 2023
  • by smartsource

Error starting solr: Error while waiting for a response from the agent: javax.ws.rs.InternalServerErrorException: HTTP 500 Server Error. This error usually occurs when there are some conflicting jars in classpath. Look…

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  • How-Tos

How to start docker daemon on system start

  • Posted on February 22, 2023February 22, 2023
  • by smartsource

To start docker automatically on system start, run the below commands

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  • How-Tos

How to allow non root users to run docker commands without using sudo

  • Posted on February 22, 2023
  • by smartsource

Although the docker daemon runs as root, it is sometimes useful to grant non root user to run docker commands without the need to use sudo each time. To achieve…

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  • Answers

PHP Fatal error: Uncaught Error: Class ‘DOMDocument’ not found in xxxx

  • Posted on February 22, 2023
  • by smartsource

This error suggests that php-dom module is not installed in the machine. Install php-dom using the below command

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  • How-Tos

Installing and Configuring mod_rpaf in apache2

  • Posted on February 22, 2023
  • by smartsource

mod_rpaf is the Reverse Proxy Add Forward module for apache. To install, follow the below steps

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  • How-Tos

Use nginx as reverse proxy to apache

  • Posted on February 22, 2023February 22, 2023
  • by smartsource

Consider you have an application running in apache using port 8080. And you have nginx running on the same server listening to port 80. You can then use nginx as…

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  • Articles

SharePoint vs Solr Search – A Comparison

  • Posted on February 18, 2023April 17, 2023
  • by smartsource

Before jumping to any conclusions, it is important to note that SharePoint is more a content management and collaboration solution than a Search solution. ‘FAST Enterprise Search’ was acquired in…

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  • Articles

White hat SEO vs Black hat SEO

  • Posted on February 17, 2023April 17, 2023
  • by smartsource

White hat SEO is not just about following guidelines but is about ensuring that the content a search engine indexes and subsequently ranks is the same content a user will…

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