• How to allow USB to Serial adapters in OSX “El Capitan”

    I use a Mac as my daily laptop.  I sometimes have to console into really old Cisco devices.  If you find that after updating to OSX El Capitan, your USB to Serial adapters aren’t showing up anymore, here is what you’ll need to do.   WARNING: This will disable the new Rootless protection.   OSX …

  • How to find out what switch and port a device is plugged into without tracing cables

    I’m in the process of switching a lot of devices over to a new VLAN to segregate their traffic and get them on a new subnet.  These devices are located all over the building and I don’t want to run back and forth tracing cables in order to update the port config on the switch. …

  • How to set your vCenter 6 Virtual Appliance as a coredump collector

    First you need to enable coredump collection on the appliance.  In vsphere web client, click on System Configuration in the Administration section.  From there you will see Services.  In my case, this service was in the Not Applicable section.  Click on the service named VMware Syslog Service.  Now you drop down Actions, and Start the service. …

  • How To Manually Remove VIB’s from ESXi Host

    I accidently installed the wrong version of Dell OMSA on one of my ESXi hosts, and needed to remove it in order to install an older version using VUM. Here are the steps I took to remove the VIB. Make sure ESXi Shell and SSH are enabled on your host. SSH into the host. Type …