Wednesday, October 31, 2012

Installing Active Directory Users and Computers for Windows 2008


From server manager, go to Features, then add
Expand:
  • Remote Server Administration Tools
  • Role Administration Tools
  • Active Directory Domain Services Tools
and then check Active Directory Domain Controller Tools
it includes:
  • Active Directory Users and Computers
  • Active Directory Domains and Trusts
  • Active Directory Sites and Services
  • ...
Server 2008 R2 Instructions:
Under Role Administration Tools, expand
  • AD DS and AD LDS Tools
    • AD DS Tools
      • AD DS Snap-Ins and Command-Line Tools.

Tuesday, September 18, 2012

Creating Root Certificate Authority using Debian to implement PEAP authentication on Microsoft NPS Radius


############# Creating Root Certificate Authority over Debian #############

By default - CA.pl (and CA.sh for that matter) together with openssl.cnf are set up so that everything happens in the local directory - with the CA store in ./demoCA. This isn't so very useful. So - let's make some decisions.

Our CA certificate will have a life of 10 years
Our SSL certificates will have a life of 2 years
We will store the CA information in /etc/ssl/ca (alongside the other ssl files).

#############  Changes to CA.pl
Locate the variables at the top - DAYS and CADAYS. Change these lines to look like:

    $DAYS="-days 730";     # 2 year
    $CADAYS="-days 3650";  # 10 years
$CATOP="/etc/ssl/ca";

############# Changes to openssl.cnf
The first change must match the $CATOP variable from CA.pl - we need to change the dir variable so that it looks like

dir = /etc/ssl/ca

We should also set the default number of days to match $DAYS:

default_days = 730

Generating the CA certificate and storage area
cd testCA/
 /usr/lib/ssl/misc/CA.pl -newca

HINT: Your new cacert.pem file is now in /etc/ssl/ca/cacert.pem and can be distributed for installation in browsers etc.

############# Generating a certificate request
To create any server certificate for any reason, like PEAP or WEB servers

/usr/lib/ssl/misc/CA.pl -newreq

HINT:  The vital point is that the CN of the certificate must be the domain name of the site you wish to secure. You can use *.example.com for a wildcard certificate
HINT: This will generate a newkey.pem and a newreq.pem. newkey.pem you need to keep for later - newreq.pem you would send off for signing - in this case to yourself - but you could also use it for purchasing a real certificate.

############# Signing a certificate request
Given a newreq.pem in the current working directory run
/usr/lib/ssl/misc/CA.pl -sign

HINT: This will sign the request and generate a newcert.pem with the signed certificate. You will have to enter the password for your CA key which you supplied when creating the CA key, certificate and store.
HINT: It's better to rename those files to something useful:

mv newcert.pem NPS_RADIUS_04.cert
mv newkey.pem NPS_RADIUS_04.key

############# Removing passphrase
Note - your certicate's key has a passphrase assigned during the -newreq phase. If you want your software to autostart this won't work - since it prompts for the password. To remove a passphrase:
openssl rsa -in NPS_RADIUS_04.key -out NPS_RADIUS_04.nopass.key

############# Installing the issued certificate in Windows 2008
openssl pkcs12 -export -out cert+key.nopass.p12 -in NPS_RADIUS_04.cert -inkey NPS_RADIUS_04.nopass.key

should convert the cert and key into a PKCS#12 file, which Windows will probably have an easier time dealing with.


References:
http://www.debian-administration.org/articles/618

Wednesday, September 12, 2012

Wednesday, August 29, 2012

Running Windows 8 on ESXi 5.0


After failure to install Windows 8 on ESXi 4.1 and 5.0, finally I installed it following the virtuallyGhetto article
http://www.virtuallyghetto.com/2012/02/how-to-run-windows-8-consumer-preview.html

and through the article, the patch ESXi500-201112001 should be installed on ESXi 5.0.

and this is how to install it via command line after putting the host in maintenance mode:

esxcli software vib install --depot=/vmfs/volumes/datastore1/ESXi500-201112001.zip

While you can download ESXi500-201112001.zip from http://www.vmware.com/patchmgr/download.portal

Tuesday, August 28, 2012

Create Your Own Custom ESXi Image Using ESXi Customizer

ESXi 5.0 and the missing Intel 82579 was an issue with me installing ESXi 5.0 on Lenovo ThinkCenter M Series, but I manage to solve the issue by customizing the ESXi 5.0 after following the guide show in the following link

http://www.yoyoclouds.com/2012/08/create-your-own-custom-esxi-image-using.html


Hint: That Intel 82579 also exists in Dell OptiPlex 790 and 990 as well.

Wednesday, August 22, 2012

Connect to openvpn past enterprise firewall


The proper way is to do this :

  1. Setup openvpn to use tcp instead of udp on any port (1194 is default)
  2. Setup port forwarding to forward external 443 port to internal 1194 port.
  3. If the web browser on client side is using a proxy setup the openvpn client to use the proxy server for connection.
  4. Setup client to use tcp and port 443.

Then connect.

Reference: http://superuser.com/questions/303198/connect-to-openvpn-past-enterprise-firewall

USB support for ESX/ESXi 4.1 and ESXi 5.0


ESX/ESXi 4.1 and ESXi 5.0 supports USB device passthrough from an ESX or ESXi to a virtual machine.
 
This article provides information on:
  • USB device passthrough requirements and limitations
  • How to add a USB controller and a USB device.