No SSH access for vSphere 4.1

After a upgrade to VMware vSphere 4.1 I couldn’t SSH to the Service Console. First I thought the password wasn’t correct, but after checking to login on the console directly I noticed that the password is correct. When I enabled rootlogin in the /etc/ssh/sshd_config -> permitrootlogin yes, I could login as root through SSH, so SSHD . . . → Read More: No SSH access for vSphere 4.1

PFN_LIST_CORRUPT with VMware Workstation 7

During a lab of the N309o course (Deploying Novell Open Enterprise Server 2 for Linux) a student experienced a blue screen on this VMware Host workstation. This workstation was running Windows XP 64 bit with VMware Workstation build 203739.

The student was trying to install a package on a SLED 11 virtual machine through Yast. For this . . . → Read More: PFN_LIST_CORRUPT with VMware Workstation 7

NSS on LVM

By default is you create a NSS pool or volume, these are management by EVMS. EVMS is a disk manager original developed by IBM.
This is a quote about EVMS from the sourceforge website

The Enterprise Volume Management System (EVMS) Project has the goal of providing unparalleled flexibility and extensibility in managing storage. It represents a new approach . . . → Read More: NSS on LVM

openSUSE 11.3 is out!

Just a quick copy/paste action from the opensuse.org site:

openSUSE 11.3 is finally out! The openSUSE Project is pleased to announce the release of openSUSE 11.3. openSUSE 11.3 includes new versions of GNOME, KDE, OpenOffice.org, Firefox, the Linux kernel, and many, many more updates and improvements. In 11.3 you’ll find more than 1,000 open source desktop applications. . . . → Read More: openSUSE 11.3 is out!

Novellcongres.nl presentation: OES2 on vSphere best practice

In June I gave a presentation OES2 on vSphere best practice. After this session I got a lot of possible response from
the people in the studio.

Although you can download the presentation a long time from the novellcongres.nl site, I thought to post it out here also. One disadvantage, because the congres is called novellconges.nl the presentation . . . → Read More: Novellcongres.nl presentation: OES2 on vSphere best practice

Change duplex setting on vSphere Service Console

During a training a student accidentally changed the duplex setting of the vmnic for the service console to fixed 1000Mbit full duplex. This isn’t so bad, if the vmnic wasn’t on a 100Mbit switch!

So I had to go to the service console to change the duplex setting back to auto.
I expected to use the esxcfg-vswif command. . . . → Read More: Change duplex setting on vSphere Service Console

Twitter

It took a while but inspirited by a girlfriend Maggie van Kempen I registered for a Twitter account. I plan to use my Twitter not to let you all know if I go to the toilet or something like that, but just to announce new interesting blog articles written by me. So if you like to . . . → Read More: Twitter

Configuring a SLES DHCP failover

In most networks DHCP is one of the single-point-of-failures. If DHCP failes, every devices relying on DHCP cannot function.

In order to  provide a high availability to your DHCP server, set up a backup DHCP server running the same Linux distribution and version, as follows:

Stop DHCP on both DHCP servers (rcdhcpd stop).
On your primary DHCP server, add . . . → Read More: Configuring a SLES DHCP failover

VMware and Novell Expand Strategic Partnership to Deliver and Support SUSE Linux Enterprise Server for VMware vSphere Environments

Just a quick copy-past from a press release

VMware and Novell today announced an expansion to their strategic partnership with an original equipment manufacturer (OEM) agreement through which VMware will distribute and support the SUSE Linux Enterprise Server operating system. Under the agreement, VMware also intends to standardize its virtual appliance-based product offerings . . . → Read More: VMware and Novell Expand Strategic Partnership to Deliver and Support SUSE Linux Enterprise Server for VMware vSphere Environments

Move ZCM10 embedded Sybase database to a external server

I wanted to move a embedded Sybase database of a existing ZCM10 installation  to a external (SLES11) server for better performance.

In this example I’m assuming you have already installed a SLES11 server.

Step 1 Installing the Sybase database server

Mount the iso file in (for example) /mnt/iso by giving the command mount -o loop /tmp/ZENworks10_sp3.iso /mnt/iso
Give the command . . . → Read More: Move ZCM10 embedded Sybase database to a external server