Customized resolution for OpenBSD in VirtualBox

When you run an OpenBSD desktop inside VirtualBox, you don’t get the easy “change resolution” feature. Mostly because there is no “VirtualBox Tools” for OpenBSD, AFAIK. But there is a way to get a customized video resolution.

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LDAP replication and CRYPT userPassword

I have just discovered some issues with my previous article on OpenLDAP replication between Synology DSM and OpenBSD OpenLDAP.

In the end, it is not possible to log-in on the OpenBSD LDAP instance using the original userPassword. Short story: CRYPT seem to not be various-platform-compatible.

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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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Upgrade to OpenSMTPD 6.4.0

It’s no secret that configuration for OpenSMTPD changed a lot with version 6.4.0. Despite the fact that changes were announced long time ago and that many configuration examples have popped-up, my particular usage wasn’t covered(1). Namely: using OpenSMTPD with Dovecot and Rspamd as chained MTA.

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