SUSE Blog

Tag: Troubleshooting


By: SUSE

May 10, 2017 10:34 am

881 views

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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Categories: Software-defined Storage, SUSE Enterprise Storage, Technical Solutions

Colin Hamilton
By: Colin Hamilton

April 17, 2017 12:11 pm

1,680 views

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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Categories: Enterprise Linux, SUSE Linux Enterprise, Technical Solutions

Colin Hamilton
By: Colin Hamilton

April 10, 2017 8:46 am

1,803 views

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 tech filled life. 1. Have a test system for exploring I have over 30 virtual […]

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Categories: Enterprise Linux, Server, SUSE Linux Enterprise, Technical Solutions


By: SUSE

February 25, 2016 12:33 pm

2,797 views

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 /etc/sysconfig/kernel and […]

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Categories: SUSE Linux Enterprise, SUSE Linux Enterprise Server, Technical Solutions


By: William Vera

May 8, 2014 2:12 pm

5,547 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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Categories: Enterprise Linux, Server, SUSE Linux Enterprise, SUSE Linux Enterprise Server, Technical Solutions, Virtualization


By: William Vera

April 23, 2014 8:40 am

7,939 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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Categories: Alliance Partners, Appliances, Enterprise Linux, Open Enterprise Server on SLES, SUSE Cloud, Technical Solutions


By: Marita Werner

September 16, 2013 12:11 am

2,410 views

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 „[…]

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Categories: Alliance Partners, Expert Views, Technical Solutions


By: ab

July 18, 2013 11:26 am

16,508 views

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 […]

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Categories: SUSE Linux Enterprise, Technical Solutions


By: William Vera

April 22, 2013 9:43 am

3,762 views

BASH Debugging – Quick Tips

Almost everyone knows (or should know) the basic options in bash debug. -v Print shell input lines as they are read. -x Print commands and their arguments as they are executed. Sounds easy right? See the difference, a practical example, a simple and silly script to demonstrate this: billy@sles:~/lab> cat bashdebug.sh #!/bin/bash […]

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Categories: Enterprise Linux, openSUSE, Server, SUSE Linux Enterprise, Technical Solutions


By: William Vera

April 16, 2013 3:56 pm

27,987 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. Coredump files after an incident are stored in: /var/crash/$DATE There is a README file in this path with basic info of the core dump file: sles-beta:/var/crash/2013-03-27-10:32 # cat README.txt Kernel crashdump ---------------- Crash time […]

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Categories: Enterprise Linux, openSUSE, Server, SUSE Linux Enterprise, Technical Solutions

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