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4x Raspberry Pi 4 (8GB) with 4x 4TB external drives interconnected with a Mikrotik HeX PoE hosting Nextcloud, Git, OpenVPN, Postfix, Dovecot, several Grav websites, NSD, Unbound, etc. in HA by Pacemaker/GlusterFS.
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Canonical, Nextcloud and Collabora deliver work-from-home solution to Raspberry Pi and enterprise ARM users - Collabora Office and Collabora Online
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Raspberry Pi: Combine a Raspberry Pi with up to 4 Raspberry Pi Zeros for less than US$50 with the Cluster HAT - NotebookCheck.net News
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