Sebastian Mogilowski's Blog

Autor: sebastian

This author has written 170 articles

Upgrade to Citrix XenServer 6.5 to 7

  • 18. Juli 2016
  • Virtualization
  • 0 Comments

First Download XenServer Installation ISO and the new Windows Management Console from: http://xenserver.org/overview-xenserver-open-source-virtualization/download.html Now upgrade your Management Console an reconnect to your XenServer Cluster. Now stop HA and move all…

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Racktables Extension 0.3.3

  • 5. Februar 2016
  • Development / PHP / Systemadministration
  • 0 Comments

Update of my racktables extension: Fixes and new features: - Fix: Fixes Bug in custom report for Racks, Rows and Locations - Fix: Changed directory structure - Feature: Added variable…

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Simple Backup Script with logrotate

  • 6. November 2015
  • Linux / Systemadministration
  • 0 Comments

A simple backup script using logrotate to save multiple backups. I use a NFS storage mounted via autofs as backup location. Database Backup is optional. #!/bin/bash # Backup Target (Network…

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Happy SysAdmin Day! 2015

  • 31. Juli 2015
  • Allgemein
  • 0 Comments

July 31, 2015 – 16th Annual System Administrator Appreciation Day http://sysadminday.com http://www.sys-admin-day.de http://de.wikipedia.org/wiki/System_Administrator_Appreciation_Day

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Backup VMs on Citrix XenServer

  • 9. Juli 2015
  • Systemadministration / Virtualization
  • 0 Comments

Hi, i published my backup solution for VMs running on a Citrix XenServer Host or Pool at GitHub. https://github.com/avarrish/xenbackup It creates snapshots of all VMs running and download it to…

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Error when reading from SSL socket connection – Dell iDRAC 5 PE2900/PE1900

  • 27. April 2015
  • Systemadministration
  • 0 Comments

If you try to connect with java-6-openjdk or java-7-openjdk to an iDrac5 you probably get this message: Error when reading from SSL socket connection The iDrac 5 ( PE 1900,…

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Install Graylog 2 with Puppet

  • 25. März 2015
  • Linux / Systemadministration
  • 1 Comment

1. Informations Graylog is a very good syslog server for Linux. It collecting, indexing, and analyzing a lot of data and can send notifications via mail. https://www.graylog.org/ Note:I only tested…

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Dell OpenManage (OMSA) 7.4 on XenServer 6.5

  • 3. März 2015
  • Systemadministration / Virtualization
  • 10 Comments

Updated version !! Prerequirements You may need to disable the Citrix Yum Repository. Open "/etc/yum.repos.d/Citrix.repo" and change "enabled=1" to "enabled=0". More informations about the packages are available here: http://linux.dell.com/wiki/index.php/Repository/OMSA. 1.…

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Upgrading XenServer 6.2 to 6.5 with Dell Equilogic iSCSI LUNs

  • 3. März 2015
  • Systemadministration / Virtualization
  • 3 Comments

The Dell Equilogic only expose a single iSCSI target and one IQN, through one IP address. With default configurations of XenServer, it is not possible to establish multiple iSCSI connections…

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Dell Equilogic iSCSI with XenServer 6.2

  • 3. März 2015
  • Systemadministration / Virtualization
  • 0 Comments

I using an Dell Equilogic PSM4110 Storage (Bladesystem) that only expose a single iSCSI target and one IQN, through one IP address. With default configurations of XenServer, it is not…

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