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ITWeb Knowledge
Tech news, AI and practical knowledge – around WordPress, Joomla, hosting and web development.
News and practical guides
Tech news, AI, WordPress and Joomla. We explain recent developments and what they mean for your website. You will also find our guides to web development, hosting and IT administration. Older guides are marked as archive articles.
Knowledge
Postfix Flush the Mail Queue
Introduction Postfix is a widely used mail transfer program (MTA) that is used for managing and sending emails. Messages may need to be suspended or deleted in the…
Archive article · 4. September 2013
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Domain redirection for Joomla
Introduction When a website is relaunched or content is restructured, URLs often change, which can lead to old links running into the void. As a result, pages already…
Archive article · 4. September 2013
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How to Backup and Restore OpenLDAP Database
Introduction Backing up and restoring to LDAP database can be performed using database-specific tools. However, a more flexible approach is to export and import the LDAP directory tree…
Archive article · 4. September 2013
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Sendmail postfix Denied
Introduction When creating a new user in Joomla, you may encounter an error related to email sending permissions. This issue often causes due to misconfigured SELinux policies that…
Archive article · 31. May 2013
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Howto Disable SELinux
Introduction Security-Enhanced Linux (SELinux) is a security module in Linux that forces access control policies. It can sometimes interfere with applications, such as Joomla, by restricting necessary permissions.…
Archive article · 31. May 2013
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ESXi 5.x Allow SMTP Firewall Setup
Introduction To enable SMTP outbound traffic on VMware ESXi, firewall rules must be properly configured. This guide explains how to create and configure a firewall rule for SMTP,…
Archive article · 31. May 2013
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SEO Roadmap – Beginner Guide
Introduction Choosing a suitable SEO agency requires careful planning and clear goals. Many companies make the mistake of relying on an agency without defining their own requirements and…
Archive article · 6. November 2012
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SEO texts simply explained
Introduction A successful search engine optimization (SEO) requires more than just technical adjustments or inserting meta tags. High-quality, well-structured content is crucial for a good placement in search…
Archive article · 2. November 2012
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Use Google Analytics legally
Introduction The data protection-compliant use of Google Analytics has been discussed for a long time. Based on the guidelines adopted by the Düsseldorf Circle in November 2009, an…
Archive article · 21. November 2011
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