All posts by Michael Albert

VMware

VMware ESXi: A (incomplete) list of host commands Part 4

Leave a comment

Hi,

check if a storage LUN attached to an ESXi supports VAAI
Continue reading VMware ESXi: A (incomplete) list of host commands Part 4 →

Advertisment to support michlstechblog.info

Security, Windows knowhow

Windows: Identify a WPBT binary in the ACPI Table of BIOS/UEFI

Leave a comment

Hi,

to identify a Windows executable in the ACPI Windows Platform Binary Table entry of a BIOS or UEFI fimware start a live linux distribution from a CD, DVD or USB Stick.

Continue reading Windows: Identify a WPBT binary in the ACPI Table of BIOS/UEFI →

Windows knowhow

Windows: Internet Explorer set open as default action for a file extension

Leave a comment

Hi,

the following steps describe how to  open a file with a specific file extension in Internet Explorer without showing the open/save dialog. In this example a the URL http://myintranethost.local/data/doc.pptm should open the PowerPoint Viewer without any interaction.

Continue reading Windows: Internet Explorer set open as default action for a file extension →

VMware

ESXi: No space left on device, ramdisk (root) is full

3 Comments

Hi,

a VMware ESXi becomes unresponsive when the root ramdisk is full.

Symptoms:

  • Can’t move VMs away from an ESXi host (vMotion)
  • vSphere HA is not working
  • ESXi Host does not join the cluster
  • Could not start vpxa daemon


~ #  cat /var/log/vmkwarning.log

Continue reading ESXi: No space left on device, ramdisk (root) is full →

VMware

ESXi: Capture Network packets on a vSwitch port or on a VM’s NIC

Leave a comment

Hi,


ESXi offers some extented methods to capture network packets. Here are some examples.

First of all logon to your ESXi host by ssh.

To capture all traffic on a vmkernel interface use tcpdump-uw.
List all vmkernel interfaces


~ # esxcfg-vmknic -l
Interface  
vmk0    .....   
vmk1    .....

Continue reading ESXi: Capture Network packets on a vSwitch port or on a VM’s NIC →