Sebastian Mogilowskis Blog

Just another blog about administration, linux and other stuff

Dell OpenManage (OMSA) 7.4 on XenServer 6.5

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. Install required packages yum –enablerepo=base –enablerepo=updates –disablerepo=citrix install glibc.i686 yum –enablerepo=base –disablerepo=citrix install zlib.i386 yum –enablerepo=base –disablerepo=citrix install libxml2.i386 yum –enablerepo=base –disablerepo=citrix install libxslt.i386 yum […]

Upgrading XenServer 6.2 to 6.5 with Dell Equilogic iSCSI LUNs

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 if the storage array exposes only a single iSCSI target, and a single IQN, through a single IP address. By default, XenServer establishes only one […]

Dell Equilogic iSCSI with XenServer 6.2

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 possible to establish multiple iSCSI connections with this kind of storage system. XenServer establishes only one connection per iSCSI target. The recommendation is to use […]

Disabling SSLv3 for POODLE on Debian

Test and fix SSLv3 on Debian. Test for SSLv3 First test if your SSL will allow SSLv3. openssl s_client -connect YOUR_URL_OR_IP:443 -ssl3 if the answer is something like: routines:SSL3_READ_BYTES:sslv3 alert handshake failure Everything is fine and SSLv3 is not available. If your Server sends a correct handshake then you have to disable it ! Apache […]

Change Ubuntu bluetooth device

The setting was removed from controll panel. But you can change your bluetooth device name with: sudo hciconfig hci0 name ‘newName’

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Racktables Cable ID Plugin

Cable ID Plugin für Racktables Liste alle Cable IDs in einem Rack und hebt Duplikate hervor. Download: Racktables Cable ID Plugin (47.58 kB) Die Datei einfach in das Pluginverzeichnis von Racktables kopieren.

System Administrator Appreciation Day 2014

Happy Sysadmin Day to all System Administrators out there !

Otter Browser – Ubuntu

Install Otter Browser ( Beta 1 ) on Ubuntu 14.04. Otter Browser, project aiming to recreate classic Opera (12.x) UI using Qt5. Now the first Beta is available. There are packages for Debian available on the sf.net Download page. ( A Version for Windows is available, too. Note: It ist a Beta-Version. A lot of […]

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Update multiple Linux servers with apt-dater

I used the following setup:Ich habe folgenes Setup verwendet: Controller Server: Ubuntu 14.04 Host Server: Debian 7 Wheezy Setup the controllerKontrollserver installieren Note: You need a ssh key for your user. If you don’t have one create it with:Bemerkung: Man benötigt einen ssh-key für seinen Benutzer auf dem Kontrollserver. Sollte man noch keinen haben, kann […]

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GPX on Ubuntu with Viking and additional maps

I have some recorded GPX Tracks from my Garmin Oregon GPS device. To display and modify this files on my Ubuntu Laptop i found Viking. Installation Very easy just type: sudo apt-get install viking With an OpenStreetMap Map Layer it looks like this: Additional Maps I had some GPX Tracks from my fishing trips in […]

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