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Ubiquiti Unifi: mDNS and SSDP across VLANs

By Ryan, last updated March 17, 2022 Leave a Comment

Unifi mDNS

After upgrading my home network from a flat layout to having VLAN functionality, I ran into a few issues.

In particular, I could no longer see the Roku devices on my new IoT VLAN from my Primary VLAN, which meant I couldn’t cast anything from my phone or tablet.

It took me quite a while to figure out how to make it work but eventually I did …

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Ubiquiti Unifi: Upgrading From A Flat Network

By Ryan, last updated March 17, 2022 Leave a Comment

Unifi IoT VLAN

Over the holidays I decided to treat myself to an upgraded home network.

Up until recently it was completely flat, with no VLAN functionality at all.

However, I have added so many smart home devices that I figured it was time to segment them off into their own VLAN for security (and for fun … yes I’m a weirdo).

Of course, the upgrade and segmentation process didn’t come without its own set of problems …

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Xymon & SELinux: How to Make Them Play Nice

By Ryan, last updated March 15, 2022 Leave a Comment

Xymon SELinux

One issue you may run into on newer Linux distros is that SELinux will likely prevent Xymon from working properly if you compile it from source.

In order to get Xymon talking with Apache and running its network tests, you’ll need to make some changes.

I’ve outlined my process for this below.

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Xymon Client for ESXi: Monitoring the VMWare Hypervisor

By Ryan, last updated March 15, 2022 Leave a Comment

Xymon Monitor for VMWare ESXi

One of my clients has a number of individual Dell servers running VMWare ESXi 6.5 and they asked me if there was a way to add them into their existing Xymon monitoring system.

After looking around on the Internet I realized there was no ready-made solution available so I ended up digging into the internals of ESXi to figure out how we could monitor their ESXi install base using Xymon.

Read on to learn how I created a native Xymon monitor for VMWare ESXi that runs as a service directly on the server itself.

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BBWin Xymon Client: Tips and Tricks

By Ryan, last updated March 23, 2022 2 Comments

BBWin Xymon Tips and Tricks

Recently I rolled out BBWin (v0.13) to over 20 new Windows servers for one of my clients and I ran into a few snags that I thought might be helpful to discuss here.

Read on to learn about some BBWin and Xymon tips and tricks I picked up along the way.

[Read more…]

Recent Posts

  • Ubiquiti Unifi: mDNS and SSDP across VLANs
  • Ubiquiti Unifi: Upgrading From A Flat Network
  • Xymon & SELinux: How to Make Them Play Nice
  • Xymon Client for ESXi: Monitoring the VMWare Hypervisor
  • BBWin Xymon Client: Tips and Tricks
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