How to install CentOS on Remote Server or VPS

How to install CentOS on Remote Server or VPS

If you want to install CentOS remotely on server on slow link  even if you are able to mount the CentOS  installation media as DVD iso .It takes lots of time and some time corrupted installation .

Linux is having a feature Netinstall you can use that feature and install the CentOS as version you want.

1- Download the Netinstall bootable media ISO file version you would like to install.

http://archive.kernel.org/centos-vault/

For demo I am going to install CentOS 5.5 32 bit

1- I went to following directory

http://archive.kernel.org/centos-vault/5.5/isos/i386/

Continue reading How to install CentOS on Remote Server or VPS

How to enable ESXi SSH And ESXi Shell Using PowerCLI

How to enable ESXi SSH And ESXi Shell Using PowerCLI

Connect to the VCenter Server

 

#Connect to VCenter Server 
Connect-VIServer -Server 192.168.10.1 -Protocol https -User Administrator@vsphere.local -Password P@ssw0rd

#Now Check which serveries are running and you want to start or stop
Get-VMHost 192.168.10.11 | Get-VMHostService

Now you will get slimier  to below screen

Continue reading How to enable ESXi SSH And ESXi Shell Using PowerCLI

Cisco UCS Networking Best Practices by Brad Hedlund

Cisco UCS Networking Best Practices by Brad Hedlund

This presentation assumes familiarity with basic networking and server VNIC concepts in UCS, and familiarity with virtual port channels.

This version of the presentation (v2.5) focuses primarily on the Ethernet uplinks. SAN uplinks and VMware networking scenarios are briefly discussed but not covered extensively. Those topics and others such as QoS, the Cisco VIC, and vNIC fabric failover may be included in future versions of this presentation.

Part 1 – Cisco UCS Networking Overview

Continue reading Cisco UCS Networking Best Practices by Brad Hedlund

How to get RDM list in your VMware infrastructure

How to get RDM list in your VMware infrastructure.

Some time we require information about our virtual machines connected to which RDM .Below are the usefull powershell script to generate a csv report .

VMName: (Display) name of the VM that has the RDM attached to it
GuestDevName: The name of the disk in the VM’s hardware configuration (e.g. “Hard disk 2”)
GuestDevID: The SCSI controller and device ID of the disk in the VM’s configuration (e.g. “scsi0:1”)
VMHost: The ESXi host that runs the VM
HDFileName: The location and name of the RDM mapping file
HDMode: whether the RDM is in virtual or physical compatibility mode
HDSize: the size of the RDM
RuntimeName: The runtime name of the host’s LUN that represents the RDM (e.g. “vmhba1:C0:T2:L61”)
CanonicalName: Its canonical name (naaid) Continue reading How to get RDM list in your VMware infrastructure