Official Documentation for Zentyal Server 6.1 Now Available

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The official documentation for the Zentyal Linux Server v. 6.1 is now available at https://doc.zentyal.org/ . This documentation covers all the Zentyal Server modules from domain and directory server, file server, mail server, gateway and infrastructure server. It comes with brief technical introductions, step-by-step instructions to configure the different services and plenty of screenshots. Together with the Development Edition or Free Trial of the Commercial Edition it will help users to evaluate Zentyal Server as an alternative to Windows Server®.

Fully new chapters include:

How to upgrade to the latest Zentyal Server version

Only the latest Zentyal Server Development Edition is maintained and therefore it is highly recommended that community users always have the latest version in production. This chapter provides the detailed steps on how to upgrade from Zentyal Server 6.0 to 6.1. Although upgrades to minor versions are usually easier than upgrades to major versions because the base distribution doesn’t change, it is important to remember that upgrading is always a complex process which can fail. Therefore the chapter starts with a strong recommendation to back up your server. Only after this and checking that your server is up to date, free of errors or broken packages and few other basic checks, you can move forward with the upgrade. See the whole chapter…

How to configure Let’s Encrypt on Zentyal Server

Zentyal Server comes with a Certification Authority-module. This is useful to secure automatically the traffic with TLS/SSL between services managed by Zentyal (SOGo, Webadmin, OpenVPN, SFTP…). However, Zentyal is not an official Certificate Authority. Therefore, even Zentyal certificates will encrypt the traffic, the certificates created by Zentyal are self-signed and won’t be recognised by third party software (such as web browsers or mail clients). Hence the warning “Your connection is not private” or similar that you and your users might see. If you need to use trusted certificates, you can use certificates signed by a commercial Certificate Authority or Let’s Encrypt, that is a free, automated and open certificate authority (CA). This chapter will describe the requirements you need to fulfil in order to use Let’s Encrypt and the detailed steps to install Let’s Encrypt in Zentyal Server 6.1. See the whole chapter…

How to harden Zentyal mail server

Email continues being one of the most used communication tool for businesses. It is also one of the services that is under continuous attacks. By using SPF and DKIM the system administrators can help protecting both email senders and recipients from spam, spoofing and phishing attacks. By configuring the Sender Policy Framework (SPF) you are publishing the mail servers that are authorized to send mail from your organization’s domain. On the other hand, by configuring the Domain Keys Identified Mail (DKIM) a digital signature – secured with encryption, is inserted to the header of each outgoing email. Both techniques allow the receiving mail server to check during the mail delivery that the mail is effectively coming from the legitimate organization. In this chapter you will find instructions on how to configure SPF and DKIM on Zentyal Server. See the whole chapter…

Best practices and tips for maintaining Zentyal Server

It is good to have the knowledge to install and make the initial configuration of Zentyal Server, but it is also essential to know how to maintain the server. This chapter brings together the information regarding the services that help in Zentyal Server maintenance in the Commercial Editions, such as alerts, reports and Kernel management. It also covers the most important logs and commands that get you started with troubleshooting and resolving any incidents on your Zentyal Server. See the whole chapter…

Besides these featured chapters, additional documentation has been included in the Configuration Backup chapter (Considerations when restoring a configuration backup), Domain Controller and File Sharing chapter (Changing the user password and Importing and exporting users and groups) and Filesharing chapter (Deploying shares). The full official documentation for the latest version of the Zentyal Linux Server is available in English and in Spanish at https://doc.zentyal.org/

The Official Zentyal Book for the latest major Zentyal Server version is available for purchase as an eBook and paperback through Lulu, starting from 29.90€: http://www.lulu.com/spotlight/zentyal . The book covers all relevant aspects of configuring and managing Zentyal Servers in business environments, best practices for safe and effective network maintenance and a large number of practical exercises.

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