In this tutorial, I’m going to show you how to update the VMware vCenter Server Appliance 6.0. The main reason for it is that the VCSA 6.0 before update 1 doesn’t have web admin interface. Those of you, familiar with previous versions of VCSA, know that it’s really good way to configure our appliance. Of course most of these tasks can be done straight from bash console of VCSA, however this method requires deeper Linux knowledge. Let’s get started!
VMware vCenter 6 Appliance Upgrade
For the purpose on this tutorial, I’m using VCSA version 6.0.0
Hi, Today I’d like to share with you my experience regarding nested ESXi 5.5. I started to learn some topics around Windows Server 2012. For this purpose I prepared small Lab on my VMware Home lab. I’m using two nexted ESXi 5.5, vCenter Virtual Appliance and two Windows Server 2012. For some reason, each time I’m running ESXi, after around 10-15minuts connection to one of them is loss. I can login do DCUI, restart all services but it doesn’t help. I checked also my NIC cards on ESXI (in .vmx file). By default only first is Intel E1000, rest are some others. I changed it manually to e1000 but it doesn’t fix my issues.
And here comes my idea to check if VMware provides VMware tools for ESXi. I found on this page, that VMware actually provides it:
Hello, For a long time there was no new articles. There is a lot of reasons that things (too much work, new projects, no time to sharing my personal ideas with you). Since the beginning of March 2015, I started to prepare to VCP exam. As a result, today after almost 3 months I’m VCP!
For those of you interesting how to gain this certificate, I’d like to share my personal experience. First of all, in order to schedule the VCP550 exam you have to take a part of the one required courses:
– VMware vSphere: Install, Configure, Manage [V5.5]
– VMware vSphere: Optimize and Scale [V5.5]
– VMware vSphere: Fast Track [V5.5]
– VMware vSphere: Troubleshooting Workshop [V5.5]
– VCP5.5 Course Equivalent
I decided to take a part of the first course, VMware vSphere: Install, Configure, Manage – I can truly recommended this course. It’s amazing experience to learn all of the course objective during 5 days training. Next step was to read the book Mastering VMware vSphere 5.5 written by Scott Lowe and Nick Marshall. This book covers most of the topics required on VCP exam. I watched also video course provided by CBT Nuggets VMware vSphere 5.5 VCP5-DCV leading by Keith Barker – it’s another great source of knowledge. This was all I needed to pass my VCP exam.
If you want to know more info, feel free to contact me.
The next plan is start to learn to CCNP Switch exam – maybe in the July 2015
This article will show you how to install and configure components required to run PXE server on Linux system. Because I gonna use the Windows NTFS share, I have to do a few additional things in order to run PXE server in mixed environment (mixed – Windows/Linux).
In my environment I used the following system with pre-requisites:
- CentOS 6.5 x86_64 Linux system
- TFTP Server
- SAMBA Client
- FTP Server
In this article I’ll describe all steps required to configure the core of PXE environment – DHCP and network. DHCP is required by PXE to provide the address of TFTP server and name of the boot file. In this example I’ll show you how to use Windows Server 2008 R2 to this purpose. This version has build-in role DHCP.
First let’s start from describe my virtualized network. I’m using Vyatta VM’s as a router. This device separates my physical network from virtualized network. If you are wondering how to configure Vyatta, go to the post:
In my test environment, my Vyatta has 4 interfaces:
vyatta@vyatta:~$ show interface
Codes: S - State, L - Link, u - Up, D - Down, A - Admin Down
Interface IP Address S/L Description
--------- ---------- --- -----------
eth0 192.168.1.150/24 u/u
eth1 10.0.10.1/24 u/u
eth2 10.0.20.1/24 u/u
eth3 - u/u
lo 127.0.0.1/8 u/u
In this series of articles, I’m going to show you an amazing tool which is PXE (Preboot Execution Environment). This tool extremely improve the process of installation new OS in Data Centre Environment. I’ll show you how to install and configure necessary components of this solution.
I’ve configured PXE in my home lab. It consists with the following components:
- Server dc1.zelos.com (Windows Server 2008R2 with AD, DNS, DHCP and File server role installed).
- Server lvpxe1.zelos.com (CentOS 6.5 with TFTP, PXE server and mounted CIFS from file server).
- VMware environment (2 ESXI hosts with vCenter server vc1.zelos.com).
This diagram shows the overall environment built in on my home lab.
This article ends the series “Installing and Configuring the Oracle 11gR2 Database for vCenter Server”. In part 5 I would like to show you how to install and configure ODBC driver in Windows 2008 R2. Then I’ll show you how to configure TNS_ADMIN environment variable. At the end I’ll show how to install VMware vCenter server using Oracle database.
For the purpose of this tutorial, I prepared VM’s with the following configuration:
- OS Microsoft Windows Server 2008 R2
- CPU 2 Core 2
- HDD 40GB
- 4GB RAM
- 1x NIC
It should be enough for standalone vCenter installation (without database). More about system requirements can be found on:
Hi, In this article I’m going to show you the steps required to prepare and configure the Database for vCenter Server. When our Oracle Database engine is up and running, it’s time to create dedicated database. I going to base on official VMware documentation file, available at:
- Login to a SQL*Plus session with the system account
- Create the Local Oracle Database from the following script (The script is located in the vCenter Server installation package /installation directory/vCenter-Server/dbschema/DB_and_schema_creation_scripts_oracle.txt file)
CREATE SMALLFILE TABLESPACE "VPX" DATAFILE '/u01/app/oracle/oradata/vcdb1/vpx01.dbf'
SIZE 1G AUTOEXTEND ON NEXT 10M MAXSIZE UNLIMITED LOGGING EXTENT MANAGEMENT LOCAL SEGMENT
SPACE MANAGEMENT AUTO;
This article continues the series “Installing and Configuring the Oracle 11gR2 Database for vCenter Server”. When our Linux is configured, DB is installed it’s time to configure oracle service, LISTENER, TNS_NAMES and test it. Before we start to configure the vCenter database we have to make sure that all components are working properly.
First step is to create the Start/Stop script in /etc/rc.d/init.d folder. Login to the system as a root and run following commands:
[root@lxvczelosdb1 ~]#touch /etc/rc.d/init.d/oracle
[root@lxvczelosdb1 ~]#vi /etc/rc.d/init.d/oracle
And paste to this file following script: Continue reading
This article continues the series “Installing and Configuring the Oracle 11gR2 Database for vCenter Server”. When our Linux is configured and ready to install the Database, let’s download the Oracle 11gR2 database from oracle website. The database is available at
Of course as we know, the Oracle database is not freeware software. I assume that you know the oracle license.
I downloaded database version Oracle Database 11g Release 2 Standard Edition, Standard Edition One, and Enterprise Edition with included the newest Patch Set 184.108.40.206 (VMware required at least patch 5). The database is in two files :