vrandom yet another random IT blog

Unlock user account

Overview

Its not an uncommon occurance for an account to become locked out either through user error or a configuration issue (for example a monitoring service using an out of date credential). The below details the process to reset a user account which has become locked out. This isn’t new information, and there are various KB’s detailing this, but I’m just including it as it was a step in the vROps 6.1 enable ssh post.

Can NSX firewall a VMKernel port?

Overview

Recently I’ve had a few discussions during which statements have been made around NSX’s ability to firewall the VMKernel port of a Hypervisor, using its distributed firewall functionality. So I’m planning on putting this to bed once and for all!

vROps python api - nagini

Overview

In this post we’re going to briefly cover the steps required to begin exploring and consuming your vROps API with the Python binding. This environment will form the base for a series of other posts showing some ways in which the API can be utilized.

excessive vmotions on vCenter start

Overview

When a Virtual Center with a large number of hosts starts (either controlled or after a failure) a large number of vMotions have been initiated by DRS. Although this doesn’t directly cause an issue, it does impact the performance of the environment. A few days ago we noticed VMware posted kb2107950 acknowledging the issue.

Adding SuSE Repository to VCSA

Overview

Especially when troubleshooting in the lab, or running vSphere environments at home you may wish to install additional software into your VCSA. These are the steps to add the standard SuSE repository to the appliance and install software.

vcloud ondemand basic authentication

Overview

Whilst testing a number of tools for compatibility with the vCloud OnDemand service I confirmed most them don’t function. As such I undertook manually authenticating using the REST API to understand the differences.

vMA 5.5 resxtop broken

Overview

Whilst carrying out lab exercises for my upcoming VCAP-DCA (VCDA550) I encountered an issue with resxtop not functioning in vMA 5.5. Following some research I found a post on William Lam’s blog detailing the fix. He mentions an update should be arriving soon (but that was 2013, so its obviously not in too much of a hurry!) Attempting to execute resxtop results in nothing being returned after the credentials are entered example error

esxi syslog configuration

Overview

Here we will detail how to easily bulk configure ESXi hosts to forward syslog messages to a remote host.

check celery is alive

Overview

Celery is a brilliant piece of software, especially if you need to distribute and coordinate processing across nodes.