Fixing Postfix After An Ubuntu Upgrade

As part of a set of security updates one of the servers in a cluster was upgraded from Ubuntu 16.04LTS to 20.04LTS. Everything seemed to be fine until we found that Postfix was no longer sending email via… Read More

Configuring VirtualBox As A nginx RTMP Server

Intro This is how I went about building a version of nginx that supports RTMP media streaming on an Ubuntu 16.04 VirtualBox.   It is not a simple plug-and-play exercise but anyone with basic Linux system admin skills can… Read More

CrashPlan Pro Headless Server Configuration on OS/X

The CrashPlan Pro documentation is incomplete and difficult-to-follow at best when it comes to configuring a new headless server using the OS/X CrashPlan Pro client. Here is the info you need to get it done quickly. For reference,… Read More

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