Planet Lowyat

Finally ……
Yet another six months has passed and another Ubuntu Linux release is out the door.

The Ubuntu team is pleased to announce Ubuntu 8.04 LTS (Long-Term Support) on desktop and server, continuing Ubuntu’s tradition of integrating the latest and greatest open source technologies into a high-quality, easy-to-use Linux distribution.

Read more about the features of Ubuntu 8.04 LTS in the following press releases:

Desktop edition http://www.ubuntu.com/news/ubuntu-8.04-lts-desktop
Server edition http://www.ubuntu.com/news/ubuntu-8.04-lts-server

Ubuntu 8.04 LTS will be maintained and supported for three years on the desktop and five years on the server.

Ubuntu 8.04 LTS is also the basis for the new 8.04 release of Kubuntu:

http://kubuntu.org/news/8.04-release

8.04 brings a restructuring of Edubuntu as the Ubuntu Education Edition. The education desktop and application bundle now installs as an add-on to a standard Ubuntu desktop.

http://www.edubuntu.org/news/8.04-release

The Ubuntu 8.04 family of variants, Xubuntu, UbuntuStudio, and Mythbuntu, are also released today:

http://www.xubuntu.org/news/hardy/release
http://ubuntustudio.org/
http://www.mythbuntu.org/

To Get Ubuntu 8.04 LTS
———————-

To download Ubuntu 8.04 LTS, or obtain CDs, visit:

http://www.ubuntu.com/getubuntu
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Activate Microsoft Windows 2008 is an easy job but I would like to share “How to activate Microsoft Windows 2008 using command line”. Sounds good?

Go to ‘Run’

Type ‘cmd’ and press ENTER.

Type C:\Users\Administrator>cscript \windows\system32\slmgr.vbs /ipk KPQTV-YOUR-PRODUCT-KEY-HERE and press ENTER.

Microsoft (R) Windows Script Host Version 5.7
Copyright (C) Microsoft Corporation. All rights reserved.

Installed product key KPQTV-….-…..-…..-….. successfully.

Type C:\Users\Administrator>cscript \windows\system32\slmgr.vbs /ato and press ENTER.

Microsoft (R) Windows Script Host Version 5.7
Copyright (C) Microsoft Corporation. All rights reserved.

Activating Windows Server(R), ServerEnterprise edition (xxxxx-xxxxx-xxxxx-xxxxx-xxxxx).
Product activated successfully.
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The new Sony Ericsson G502 is a compact but features pack model. With the built in support of HSDPA Microsoft Exchange and Google Maps, business users will love to have another candy bar phone for their on-the-road usage.

Specs include:
- 2 mega pixel fixed focus camera
- 4x digital zoom and video recording
- Bluetooth 2.0 + EDR
- USB 2.0 support
- Dimensions 109 x 46 x 13.5 millimetres
- Weigh 83.5 grams
- 32 MB internal memory with expandable slot
- Tri-band GSM phone with EDGE support
- memory stick micro card slot
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Without writing so much of non-sense, just have a look inside the Asus Eee PC 900.

RAM

Keyboard

Samsung Flash Chip

Underneath

Top side

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I know there are many people know Microsoft Windows Active Directory and you can easily found tons of people’s using Microsoft Active Directory.In fact, you can easily get Microsoft Active Directory system engineer or system admin from the IT job market. So do you know Active Directory limits?

This topic describes the limitations and accompanying recommendations that apply when you are designing or implementing an Active Directory infrastructure from Microsoft.

Maximum Number of Objects
Each domain controller in an Active Directory forest can create a little bit less than 2.15 billion objects during its lifetime.
Each Active Directory domain controller has a unique identifier that is specific to the individual domain controller. These identifiers, which are called Distinguished Name Tags (DNTs), are not replicated or otherwise visible to other domain controllers. The range of values for DNTs is from 0 through 2,147,483,393 (231 minus 255). As objects are created on a domain controller, a unique value is used. A DNT is not reused when an object is deleted. Therefore, domain controllers are limited to creating approximately 2 billion objects (including objects that are created through replication). This limit applies to the aggregate of all objects from all partitions (domain NC, configuration, schema, and any application directory partitions) that are hosted on the domain controller.

Because new domain controllers start with low initial DNT values (typically, anywhere from 100 up to 2,000), it may be possible to work around the domain controller lifetime creation limit—assuming, of course, that the domain is currently maintaining less than 2 billion objects. For example, if the lifetime creation limit is reached because approximately 2 billion objects are created, but 500 million objects are removed from the domain (for example, deleted and then permanently removed from the database through the garbage collection process), installing a new domain controller and allowing it to replicate the remaining objects from the existing domain controllers is a potential workaround. However, it is important that the new domain controller receives the objects through replication and that such domain controllers not be promoted with the Install from Media (IFM) option. Domain controllers that are installed with IFM inherit the DNT values from the domain controller that was used to create the IFM backup.

At the database level, the error that occurs when the DNT limit is reached is “Error: Add: Operations Error. <1> Server error: 000020EF: SvcErr: DSID-0208044C, problem 5012 (DIR_ERROR), data -1076.”

Maximum Number of Security Identifiers
There is a limit of approximately 1 billion security identifiers (SIDs) over the life of a domain. This limit is due to the size of the global relative identifier (RID) pool of 30 bits that makes each SID (that is assigned to user, group, and computer accounts) in a domain unique. The actual limit is 230 or 1,073,741,824 RIDs. Because RIDs are not reused—even if security principals are deleted—the maximum limit applies, even if there are less than 1 billion security principals in the domain.

Group Memberships for Security Principals
Security principals (that is, user, group, and computer accounts) can be members of a maximum of approximately 1,015 groups. This limitation is due to the size limit for the access token that is created for each security principal. For more information, see article 328889 in the Microsoft Knowledge Base (http://go.microsoft.com/fwlink/?LinkID=115213).

FQDN Length Limitations
Fully qualified domain names (FQDNs) in Active Directory cannot exceed 64 characters in total length, including hyphens and periods (.). As an example, the following host name has 65 characters and therefore is not valid in an Active Directory domain: server10.branch-15.southaz.westernregion.northamerica.contoso.com. This is an important limitation to keep in mind when you name domains. For more information about naming limitations, see article 909264 in the Microsoft Knowledge Base (http://support.microsoft.com/kb/909264).
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