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Jordan Ostreff

06 May 2024

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Mattermost slack was recovered again on this url.

OCIS ownCloud Infinite Scale is hosted here.

Interesting web site is hosted also here.

Designing a Bulletproof Backup & Restore System for PowerDNS with LMDB Views on FreeBSD

In my previous post, I detailed how a silent dependency upgrade from LMDB 0.9.x to LMDB 1.0 can completely break a PowerDNS Authoritative Server installation due to on-disk format incompatibility. While upgrading binaries is simple, the real challenge lies in protecting your data. If you are

07 Jul 2026 4 min read

Solving LMDB Version Incompatibility in PowerDNS: A Post-Mortem

As system administrators, we often pride ourselves on maintaining "zero-downtime" environments. However, upgrading core system libraries—specifically those handling database engines like LMDB—can sometimes lead to silent incompatibilities that threaten the integrity of our services.

07 Jul 2026 4 min read

How to monitor your AdGuardHome via netdata

Short description how to integrate AdGuardHome inside your netdata dashboard.

22 May 2026 2 min read

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