Networking • Automation • Occasional Podcasting
Inside Greg’s Brain

Networking gear, Ansible playbooks, and a podcast on the side.

Mikrotik tutorials, Ansible Automation Platform deep-dives, and conversations that chase the story behind the person.

Latest posts

  • MUM 2011 – Las Vegas

    So the US MUM has been announced, and it is in Vegas. It is riding the tails of the WISPApalooza conference. I would have tried to make it to that this year, but due to scheduling conflicts I’ll just be making the MUM. Actually, I’ll be hitting Vegas on Wednesday and staying till Sunday. I’ll…

  • Ubiquiti Airvision – IP Camera System

    Ubiquiti Airvision – IP Camera System

    As if UBNT wasn’t doing enough, they thought they would start doing cameras too. They call it AirVision. Cameras, AirCam AirCam Dome AirCam Mini What’s the most interesting part is the price! These are dirt cheap! AirCam $99 -Wall Mount/Ceiling Mount -30 FPS -1MP/HDTV 720p -4.0mm / F1.5 -Powered through Ethernet AirCam Dome $109 -Built-in…

  • Mikrotik Newsletter 33
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    Mikrotik Newsletter 33

    The PDF is here. RB1200 gets speed boost in 5.7. They are saying that as much as 24% can be seen. They are saying “routing improvement”, but they list the results in fps, which is usually associated with switching performance(frames are layer 2 and packets are layer 3). I suppose we will see when the…

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    Evolution Of An IT Guy

    I think everyone gets contemplative at times, do they not? I now tend to get this way around this time of year…for a specific reason. Which I’ll cover later. I may or may not have spoken about my origins in IT, networking…or computers at all. If I have, suck it up, because I’m going to…

  • VMWare Network Redundancy
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    VMWare Network Redundancy

    My VMware ESXi servers have two NICs which I maintain as much redundancy on as possible. I configure the two intefaces to be in the same virtual switch and they failover to each other. I actually trunk switch ports to each NIC and run VLAN interfaces. Here’s a quick video that shows you how to…

  • Send Test Syslog Message
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    Send Test Syslog Message

    I have test emails send daily, but what I failed to test was my syslog server. Now that I’ve had it brick on me, I’m now doing daily test syslog messages. I use this PHP script. If you can’t happen to pull it from that site, here’s the file to download:. I then use this…

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    Cisco ASA SSH, Don’t Forget To Generate A Key

    If you are just now enabling SSH and you get the following error message: SSH session from XXX.XXX.XXX.XXX on interface Outside for user "" disconnected by SSH server, reason "Internal error" (0x00) It looks like you need to generate an RSA key for SSH: crypto key generate rsa modulus 1024