IPTables Cluster Script

So I am working on some interesting virtualized networking setups (More on this in another post soon) and needed a way to send out IPTables rules to all nodes which are to be considered part of a cluster (HA) setup. Continue reading

vCenter 5.5U2 Upgrade on VCSA

So I decided to upgrade my vCenter 5.5U1 VCSA to the latest vCenter 5.5U2 release yesterday and it has been a complete disaster at this point. vCenter continually crashes every few minutes now. I was just poking through logs and Continue reading

VMworld 2014 – It is TIME!!!

The time has finally come for VMworld 2014 – US in San Francisco. I know I am very excited this year as well I am sure everyone else (20k+) is as well. I am looking forward to catching up with Continue reading

VMware NSX WebUI Sync Issue

So I recently had an issue when trying to create some new tenant networks and had a very strange issue. When creating the Logical Switches within NSX I was receiving a timeout error stating that the they had not been Continue reading

vSphere – Enable SSH using PowerCLI

In case you have the need to enable SSH, set SSH service to start on boot and also set the firewall rule to allow ALL IPs you can use the following PowerCLI script. If you need to lock down the Continue reading

VMware NSX 6.0.5 Upgrade Tips

So I performed my first NSX upgrade today which overall was not too bad but it did take quite a long time. I ran into a few gotchas along the way and figured that I would share those. Now if Continue reading

Highly Available ELK (Elasticsearch, Logstash and Kibana) Unicast Mode

In the previous post we setup the complete ELK stack from top to bottom. And everything should be working as needed; however one thing you will want to do once everything is stable is to change all ES (Elasticsearch) nodes Continue reading

vCenter Server 5.1 Heartbeat issue

I ran into this today and thought I would share with anyone else who runs into this. I had an issue where the vcenter server service would not start and would continually try to start but would keep restarting itself. Continue reading

Logstash Elasticsearch searchphaseexecutionexception error

In the past few days I have come across the following error on two different instances of Logstash. On the first instance I came across the mount point that elasticsearch was writing to became full. In this case I had Continue reading

Highly Available ELK (Elasticsearch, Logstash and Kibana) Setup

In this post I will be going over how to setup a complete ELK (Elasticsearch, Logstash and Kibana) stack with clustered elasticsearch and all ELK components load balanced using HAProxy. I will be setting up a total of four six servers Continue reading