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¬†refreshAndPersist mode. So let’s configure a Master / Slave Replication system between Synology and OpenBSD.

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SMS alerts to Free Mobile using Synology

Synology DSM can be configured to send notifications on various events. It can use Email, SMS and Push Service. I usually use email notifications to check for status. But here’s how I configured SMS notification for critical events using the French mobile operator “Free Mobile”.

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Running OpenBSD on Raspberry Pi 3

Step 1 was getting my hands on Raspbian. Step 2 was running OpenBSD on the Raspberry Pi 3 Model B. I had quite a few try & fails but it booted, installed and ran properly in the end. Full story follows.

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Access Raspberry Pi 3 UART Console on MacOS

Raspberry Pi can be used with a prepared OS, booted up and just used. But when it comes to customising or doing something else than what was planned, you may need to use the console. And that requires a TTL adapter connected to the GPIO. The thing is, using MacOS is not as straightforward as I thought. So here are my notes.

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