By: William Vera

May 8, 2014 2:12 pm

3,896 views

How to know what ESX version is running on your VM

This article describes how to discover the ESX version when we have only access to the VM guest. When troubleshooting issues, I sometimes need to know the ESX version when my VM’s are running, but in the classic scenario where we don’t have any type of privileges, it is pretty hard to get that information. […]

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By: William Vera

April 23, 2014 8:40 am

6,874 views

Troubleshooting SLES VM Memory Issues

This document describes how to troubleshoot SLES Virtual Machine’s memory issues quickly to get ahead of problems and avoid bigger issues. When we use a lot of VM’s it’s pretty hard to monitor their health in the ESX level. If we are lucky maybe we have access to vSphere to see the status. Yes I […]

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By: William Vera

September 4, 2013 9:37 am

41,269 views


By: William Vera

April 22, 2013 9:43 am

3,248 views

BASH Debugging – Quick Tips

Here is a brief guide to the basics of BASH debugging. Tuck this away for future reference.

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By: William Vera

April 16, 2013 3:56 pm

25,961 views

Running "crash" to analyze dump data on SLES11

Crash is a powerful tool that will analyze core dumps after crashing, to help you with troubleshooting or forensics analysis. Happy debugging!

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By: William Vera

April 4, 2013 10:33 am

5,265 views

Monitoring TCP connections easier and faster in SLES

Parsing netstat output has always been a pain because of the large amount of data that is available. Sometimes I need some information more than others, but I almost always want to quickly see the total number and type of connection I have. Here’s how I do it.

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