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Copy file name to clipboardExpand all lines: modules/installation-and-upgrade/pages/container-deployment/suma/server-migration-suma.adoc
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= Migrating the {productname} Server to a Containerized Environment
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= {productname} Server Migration to a Containerized Environment
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ifeval::[{uyuni-content} == true]
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:noindex:
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endif::[]
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.Procedure: Initial preparation on the 4.3 server
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. Stop the {productname} services:
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spacewalk-service stop
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. Stop the PostgreSQL service:
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systemctl stop postgresql
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. Ensure that for [systemitem]``root`` an SSH key exists on the new {productnumber} server.
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If a key does not exist, create it with:
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ssh-keygen -t rsa
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. The SSH configuration and agent should be ready on the new server for a passwordless connection to the 4.3 server.
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[NOTE]
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====
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To establish a passwordless connection, the migration script relies on an SSH agent running on the new server.
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. Copy the public SSH key to the {productname} 4.3 Server ([literal]``<oldserver.fqdn>``) with [command]``ssh-copy-id``.
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Replace [literal]``<oldserver.fqdn>`` with the FQDN of the 4.3 server:
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ssh-copy-id <old server.fqdn>
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The SSH key will be copied into the old server's [path]``~/.ssh/authorized_keys`` file.
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For more information, see the [literal]``ssh-copy-id`` manpage.
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When planning your migration from {productname} 4.3 to {productname} 5.0, ensure that your target instance meets or exceeds the specifications of the old setup.
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This includes, but is not limited to, [literal]``Memory (RAM)``, [literal]``CPU Cores``, [literal]``Storage``, and [literal]``Network Bandwidth``.
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This includes, but is not limited to, memory (RAM), CPU Cores, Storage, and Network Bandwidth.
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.Procedure: Performing the Migration
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. This step is optional.
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