Veeam Backup & Replication is one of the leading backup software for VMware vSphere/Hyper-v environments.Compare to other traditional backup softwares, Veeam is very fast to recover the guest OS irrespective of guest filesystem type on VMware vSphere environment. In last weekend ,one the Guest OS was removed accidentally but we had good veeamZip backup file […]
VMware
How to disable control Alt Delete on VMware Linux Guests ?
I just want to share about the incident that happened on our VMware vSphere environment last week. In our environment, we have mix of windows and Redhat Linux guest operating systems that are running on VMware ESXi . One of the Redhat Linux server rebooted automatically and the root cause was that some one send […]
How to recover VMware ESXi root password ?
We should not lose the superuser account on any operating system especially on VMware ESXi.There may be a chance of loosing root password due to system administrator careless or defective keyboard. If you forgot root password of ESXi host ,then there is no way to recover it .VMware does not provide utility or methods to recover […]
How to use VisualEsxtop on Vsphere Environment ?
VisualEsxtop is an enhanced version of esxtop which gives you wonderful view of the performance statics of esxi hosts. VisualEsxtop can also be connected to vCenter server to reach the ESXi hosts if esxi hosts not directly reachable from your laptop.(port 443). Visual Esxtop allows flexible counter selection and filtering the data. You can also […]
How to generate crashdump of VMware Guests using snapshot ?
Root cause analysis is one of the toughest job.If its come to operating system, We mostly engage the Operating system vendors to find the root cause by analyzing the system logs and crashdump.The system logs will not alone help you to identify the root cause all the time and you need crashdump very badly. How the […]
Solaris Guests on VMware ESXI – Industry’s Best Practice
VMware ESXi servers transform datacenters into scalable and aggregated infrastructure along with vCenter Server. VMware provides platform to use the various services on single physical node.For an example,We can have different Linux flavours,Solaris x86 and windows operating systems on same box as virtual guests using VMware vSphere . As we all know Oracle SUN SPARC […]
Heartbleed vulnerability on VMware ESXI 5.5 and Vcenter 5.5
Openssl is an opensource software which is widely used for implementing the transport layer security like SSL and TSL. Openssl provides a cryptographic functions and lot of other functions. Almost two years ago ,there is new function injected to openssl version 1.0.1 which is called heartbeat. What the heartbeat protocol does on openssl ? Heartbeat keep […]
VMware – How to Add/Remove VMnic(uplinks) on DVswitch ?
Redundancy is much more important in virtualization environments since you never know how many virtual components will be impacted if you loose one physical hardware part.When its comes to VMware networking , you can share a single vmnic to N-number of virtual hosts.So one of the physical interface failure could cause big outage on the […]
VMware – How to Migrate VM’s from DVswitch to vSwitch ?
Most of the time we will be in a situation to Create a new vSphere distributed switch and migrating VM’s to it.But in rare cases , you may need to migrate the VM’s back to vSphere standard switch from vSphere distributed switch.These kind of situation arise when you don’t want to renew your vSphere Enterprise […]
How to Migrate the VM’s to vSphere Distributed Switch ?
When it comes to VMware networking , you should know about VSS (vSphere Standard Switch) and VDS (vSphere Distributed Switch). This article is going to demonstrate the migration of virtual machines from VSS (vSphere Standard Switch) to VDS (vSphere Distributed Switch). First we will see why do we need to virtualize the networking in VMware environment.The virtual […]