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- The server has installed Red Hat Enterprise Linux 6 / CentOS 6.x (i386/x86_64) or Red Hat Enterprise Linux 7 / CentOS 7.x (x86_64)
- You have reviewed the Release Notes and the minimum hardware requirements;
- You are aware of 4PSA's recommendations regarding the installation on virtualization and cloud environments.
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Installation steps
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It is highly recommend to have a clean CentOS/RHEL installation in order to install DNS Manager. When running the installation script, the older mysql packages will be deleted! |
- Make sure that yum RPM is installed on your server.
- Log in to your server as root using SSH from any client operating system.
Download the installer script on your server with the following command:
Shell curl "http://www.4psa.com/software/dnsmanagerinstaller.sh" -o dnsmanagerinstaller.sh -L
Run the installer script using this command:
Shell sh dnsmanagerinstaller.sh
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Wait patiently as the installer downloads all the packages from the repository, installs them, and configures the system. |
Upgrade steps
Plan the upgrade
Before preparing a system upgrade, it is highly recommended to:
- Review the Release Notes for the software version you want to upgrade to.
- Test the upgrade process and the new software on a testing environment.
- Schedule the upgrade after making sure that all implications of the upgrade are fully understood.
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We highly recommend this testing phase prior to upgrade mission critical production environments. |
Perform the upgrade
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During a software upgrade process, your DNS server will be stopped. Consequently, it is recommended that you perform such upgrades only if redundancy is guaranteed. |
To upgrade the system, you must execute the DNS Manager Installer, as described in the installation process.
The upgrade might take several minutes, especially on systems with large databases. DO NOT interrupt the DNS Manager Installer by pressing CTRL-C or rebooting the system, as your upgrade might become inconsistent!
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