Iordanis Kazanas – Virtual Systems Administrator
http://www.discoposse.com/index.php/2012/10/27/why-vxlan-is-awesome-and-why-it-may-not-be/ If you’re not already familiar with VXLAN, you should get to know it. VXLAN (acronym for Virtual eXtensible Local Area Network) is fast becoming the hottest new discussion item for Cloud service design. What is VXLAN? VXLAN technology overlays a virtualized Layer 2 on top of a Layer 3 network allowing the extension of … Read more
http://vinfrastructure.it/2014/05/reset-the-vmware-sso-password/ VMware Single Sign On is a new VMware vCenter Server components, introduced for the first time in vSphere 5.1, that manage the authentication across different VMware components both for services and users. It is not just an authentication broker but also a security token exchange providing a more secure way of accessing your vSphere … Read more
ESXi host shows these errors: ESXi Shell for the Host has been enabled SSH for the host has been enabled Resolution To disable these warnings using vSphere Client: Select the ESXi host from the Inventory. Click the Configuration tab. Click Advanced Settings in the Software menu. Navigate to UserVars > UserVars.SuppressShellWarning. Set the value from … Read more
Symptoms The datastore is not accessible by all hosts. The number of shared datastores between all hosts is less than 2. While implementing a vSphere High Availability (HA) configuration, you see this error on one of the ESXi 5.x hosts:The number of heartbeat datastores for host is 1, which is less than required: 2 The number … Read more
ifconfig -a /etc/sysconfig/network-scripts/ifcfg-ethX DEVICE=ethX http://www.networknet.nl/apps/wp/archives/383 At some point my lab Openfiler was assigned static ip address and the iSCSI target stopped to function; also it was not reachable by the web interface at tcp port id 446 anymore. Several reboots did not help to solve the problem. What happened? The network interface configuration was changed. … Read more
https://www.vmware.com/support/ws55/doc/ws_disk_manager_examples.html Examples Using the VMware Virtual Disk Manager The following examples illustrate how to use the virtual disk manager. You run the virtual disk manager from a command prompt. Creating a Virtual Disk To create a new virtual disk, use a command like the following: vmware-vdiskmanager -c -t 0 -s 40GB -a ide myDisk.vmdk This … Read more
This issue occurs when the .vmdk descriptor file is corrupt or missing. To resolve this issue, create a new .vmdk descriptor file for this disk and then unregister and re-register the virtual machine. This ensures that the vSphere Client detects the correct disk size and the virtual machine powers on properly. For more information on … Read more
Log in to the vSphere Web Client as administrator@vsphere.local The password is what you defined for your original user. http://pubs.vmware.com/vsphere-55/index.jsp?topic=%2Fcom.vmware.vsphere.security.doc%2FGUID-72BFF98C-C530-4C50-BF31-B5779D2A4BBB.html
http://h41111.www4.hp.com/hps/carepack/emea_middle_east/en/getserial.html There has too often been a situation that has come up where I have needed to remotely obtain a server’s manufacturer & serial number (parts replacement, TAC case, etc…) and either the documentation that I have is incomplete, or just non-existent. There are many ways that you can attempt to get this information (ILO/RSA … Read more
http://www.vtagion.com/vmware-default-username-passwords/ vCenter Appliance Configuration Default Username and Password https://(SERVER_IP):5480 username: root password: vmware vCenter Application Discovery Manager Default Username and Password http://(SERVER_IP) username: root password: 123456 vCenter Chargeback Default Username and Password http://(SERVER_IP):8080/cbmui/ username: root password: vmware vCenter Infrastructure Navigator Default Username and Password https://(SERVER_IP):5480 username: root password: Given when deploying OVA vCenter Web Client … Read more