By: jlove

May 10, 2017 10:34 am

Troubleshooting Calamari

SUSE Enterprise Storage versions 1 through 4 include the Calamari web GUI for monitoring and some basic management tasks. As mentioned in the SUSE Enterprise Storage 4 release notes, Calamari is being deprecated in favor of openATTIC, but right now people are still using Calamari, and every so often run into some kinks getting it […]

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By: jlove

April 17, 2017 12:11 pm

Streamline Your Root Cause Analysis

Hey everyone, it’s Colin Hamilton here again. I’m one of the Linux Support Engineers on the SUSE team. A really common request that will come into our queue is an RCA (Root Cause Analysis) for an unexpected reboot of the server. I’ve noticed it can sometimes be frustrating for customers when the root cause takes […]

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By: jlove

April 10, 2017 8:46 am

Tips and Tricks to SUSE Troubleshooting

Hey everyone, my name is Colin Hamilton and I’m one of the Linux Support Engineers on the SUSE team. I’m troubleshooting SUSE everyday and so I’ve got a few tips and tricks I highly recommend using in your everyday SUSE…

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By: jlove

February 25, 2016 12:33 pm

How I stumbled on unbootable OS thanks to the symlink

Hello World, Today I was asked by my colleague to help him with an unbootable SLES11 which was just recently upgraded to SP3 … Well, first I thought that this problem will be simple to solve as common initrd problems are quite easy to break, but I’ve learned a lesson … First I quickly checked […]

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By: William Vera

May 8, 2014 2:12 pm

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

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: Marita Werner

September 16, 2013 12:11 am

PartnerNet: cool tool but how do I get in?

This summer I guided several of our new partners through the PartnerNet registration process and could see that it is quite a hurdle to finish registration. Now I want to give you a short introduction to that process and make clear that it is a 2-step process. First: go to PartnerNet and click on „Join […]

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By: ab

July 18, 2013 11:26 am

LJDT: Reliable Service / Connection Tests; netcat, not ping, is the correct tool

Me: “I cannot get to your site.” Helpdesk: “Hmm, let me check. I can ping it, so it must be okay.” Me: “No, pinging has nothing to do with access to the site.” Helpdesk: “No, you’re crazy, I can ping it so it’s your problem. Goodbye.” If you have never had this type of exchange with others, you’re lucky. The fact of the matter is that ‘ping’, while a good (but not 100% even here) tool to determine if traffic can go from one IP to another, is a lousy tool for determining if anything more than layer three is working …

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By: William Vera

April 22, 2013 9:43 am

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

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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