LDAP replication between Synology DSM and OpenBSD

I want my OpenBSD 6.4 services to authenticate users from a remote LDAP server ; namely a Synology Directory Server (DSM 6.2.x). It turns out that this a standard OpenLDAP 2.4.x configured to accept replication┬árefreshAndPersist mode. So let’s configure a Master / Slave Replication system between Synology and OpenBSD.

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ZFS explained and demoed (briefly)

ZFS may be Yet Another File System. To me, ZFS is Ze File System brought by Sun Solaris. It is remarkable because it comes with numerous interesting features. To name a few: redundancy, checksum, compression, deduplication, snapshots.

This article is a kind of cheat sheet on what is ZFS, how it is organized and how to build a consistent storage area using this particular file system. It is mostly an attempt to clarify and write down what I read about ZFS and how it has to be used to achieve various storage goals.

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