Kasraeian

vWorld v.3

Tag: SSH

SSH & 2FA on Linux

There are multiple ways to make an SSH connection more secure and one of them is adding “Two Factor Authentication (2FA)” to the system and integrate it with ssh connectivity. Here the steps that could help with adding this feature to the system and its integration. This feature could be added to a different distribution […]

Updated: April 15, 2018 — 8:33 PM

Using VMware PowerCLI (#002) – User Accounts

As part of my studying, in this post I’d post one little scripts which I made so far for working with user accounts on “VMware ESXi” hosts. This script will add or remove user account from all hosts connected to one “VMware vCenter” server, in next version I’d add selecting function so user can be […]

Updated: April 29, 2012 — 2:12 PM

PowerCLI, TSM and Warning

Well, this post is all about doing some administration tasks using “VMware PowerCLI“. 1. Remote TSM (SSH) Think about conditions you’ve added 30 new hosts to your vCenter and for some reasons  you want to enable remote access (SSH) on all these hosts; there are multiple ways like: 1. Enabling this option from “DCUI” by […]

Updated: April 27, 2012 — 1:19 PM

Data Center Disaster – Lesson Learned

Well, this post going to have some technical information but it’s more like a document on “what’s happened and what should do”. Our company has multiple “data center design and support” project and three days ago there was disaster in one of them. Customer site consist of: One “HP EVA 8400 – 2C4D” as storage […]

Updated: August 19, 2011 — 3:01 PM

Little tips on updating hosts using vCLI

Today I make some time free to update my home lab from “VMware ESXi 4.1” to “VMware ESXi 4.1 Update 1”. Well, This may look outdated topic or old version as VMware already announced “VMware vSphere 5.0” but I face an “Error”, I thought it may be good to share here. Quick Note: Full process […]

Updated: August 5, 2011 — 2:05 AM

Unregistering & Registering VMs

This post is about the way to unregister and register VMs from/to ESXi hosts using commands (Local TSM, SSH) not GUI (vSphere Client). May be you ask, why should I do such a thing? well, assume you have two hosts in cluster without EVC enabled for it, in order to enable EVC for cluster, all […]

Updated: April 5, 2011 — 2:59 AM

DCAS-#002 (Storage)

Base on my previous post, this would be another post in my VCAP-DCA Preparation series (DCAS). It’s about storage and how to add new storage (iSCSI) to the hosts. Condition: There is two ESXi 4.1 hosts with one NIC, one vSwitch (vSwitch0) and two VMKernel port (vmk0 & vmk1) and both have their local datastores […]

Updated: March 19, 2011 — 11:52 PM

DCAS-#001 (Lab Preparation … Network)

Again, I have new goal and I want to rearrange my home lab to meet the requirements for it. This time my goal is “VCAP4-DCA” certification and I have to use different kind of tools for preparation. As one of my PC stop working (one of my two Physical host – whitebox), I have to […]

Updated: March 19, 2011 — 11:13 AM

TSM and SSH on ESXi 4.1

I’ve installed the VMware ESXi 4.1 on my home lab for learning purpose. Today I decided to enable SSH on ESXi 4.1 for further use and also check the TSM (Tech Support Mode) on ESXi 4.1 in order to checking the different area on the ESXi itself. So as usual I pressed the ALT+F1 and […]

Updated: September 21, 2010 — 4:35 PM
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