If you are running VMWare ESXi, after you make certain configuration changes that doesn’t have anything to do with ip-address change, you might get the following error message during the system startup. “Bringing up interface eth0: Error, Some other host already uses address 192.168.101.10 [FAILED]” As you can imagine, this will not start the network, [...]
VMware
On a VMware ESXi server, you can create a new VM and install a guest OS on the VM using a CD or DVD. For this, you need physical access to the server to insert the installation CD or DVD, which might not be possible, if the server is in a remote datacenter. The quick [...]
In both VMware ESX and ESXi host, vSwitches can be configured either from the GUI or from the command line. vSwitch is also known as vSphere standard switch. The CLI configuration are very helpful when you are installing multiple ESX servers and planning to script the vSwitch configuration. This article explains how to configure vSwitch [...]
VAAI stands for VMware APIs Array Integration (for vSphere Storage). VAAI is also referred to as hardware acceleration (or hardware offload APIs), which are a set of APIs to enable communication between VMware vSphere ESXi hosts and storage devices. This APIs are enabled on the ESXi host to offload certain storage operations to the storage [...]
This article explains how to install SSL certificates on your ESXi machine & vCenter for browser compatibility. First, on your Linux server, generate SSL certificate as explained below. This will generate both private key and csr file. If you are generating certificate for multiple hosts, create separate directory for each host. cd /tmp mkdir your-esx-hostname [...]
Virtualization is the creation of a virtual (rather than actual) version of something, such as an operating system, a server, a storage device or network resources. For those who are new to virtualization technology, this article will give you some high level fundamentals that will help you to get started on virtualization. Three areas of [...]
VMware Workstation is VMware’s commercial virtualization software for x64 computers. This is a Type 2 hypervisor, which means it is installed on top of an existing operating system running on the computer hardware called the host operating system. It can be installed on both Linux and Windows host Operating Systems. In VMware Workstation you can [...]
This article explains fundamentals of datastore management in VMWare ESXi server. In this example, let us assume that we have a server that has 6 slots for hard disks. We’ve filled all the 6 slots with hard disks. We are also using the hardware raid. So, we have created three RAID-1 logical groups out of [...]
My name is Ramesh Natarajan. I will be posting instruction guides, how-to, troubleshooting tips and tricks on Linux, database, hardware, security and web. My focus is to write articles that will either teach you or help you resolve a problem. Read more about