Archive for February, 2010

Free WordPress Headers for Kubrick Theme

Feb 27th

Posted by Nathan in WORDPRESS | Please wait

No comments

Them support: Kubrick Theme by Michael Heileman (Default WordPress template) Header size: 192, 740 pixel Set Name: Almost Black Note: This work licensed under a Creative Commons Attribution-Noncommercial-Share Alike 2.5 Australia License. You may use any header for your own blog ,site, webpage.. etc, you may NOT redistribute any of them unless a link to this BLOG provided (more…)

Shell script for safely delete a file

Feb 26th

Posted by Nathan in Shell script | Please wait

2 comments

The advantage of such a script is that the file can be recovered if the deletion was a mistake. The following bash shell script called “safdel.sh” using a turnkey menu to offer the following choices:

  • The user enters the file name to be deleted.
  • The name is checked to make sure the file exists and is an ordinary file. If not, the user is asked again for a file until a valid name is entered or the user exits. (more…)

CCNA Exploration 1: Network Fundamentals – Final exam

Feb 26th

Posted by Nathan in CCNA | Please wait

65 comments

01. When connectionless protocols are implemented at the lower layers of the OSI model, what is usually used to acknowledge that the data was received and to request the retransmission of missing data?

  • IP
  • UDP
  • Ethernet
  • a connectionless acknowledgement
  • an upper-layer, connection-oriented protocol or service

(more…)

Setting up a Linux NFS Server

Feb 25th

Posted by Nathan in CentOS | Please wait

No comments

NFS: Network File System allows directories and files to be shared and accessed across a network; the client remotely accesses the data that is stored on the server as if they were local files. NFS developed by Sun Microsystems. Installing NFS: If the NFS software is not already installed on the system or not running, use rpm or yum to install the software, ntsysv to enable the startup scripts. You can manually start the daemons by typing:

service nfs start

The server has to be running the following daemons: (more…)

CCNA Exploration 1: Network Fundamentals – Chapter 11 Exam

Feb 25th

Posted by Nathan in CCNA | Please wait

4 comments

01. Immediately after a router completes its boot sequence, the network administrator wants to check the routers configuration. From privileged EXEC mode, which of the following commands can the administrator use for this purpose? (Choose two.)

  • show flash
  • show NVRAM
  • show startup-config
  • show running-config
  • show version

(more…)

“lenny” Debian”stable” distribution v5.0.4 download mirrors

Feb 24th

Posted by Nathan in Unix/Linux | Please wait

2 comments

Preferred download software:

Unix users: type in a terminal

  wget -c URL

or

curl -C - -L -O URL

Or use aria2 or wxDownload Fast

Windows users: use Free Download Manager or GetRight

MAC users: Speed Download

Alternatively use a download software  that allows you to resume downloading from the point where it failed if the download aborts.

CCNA Exploration 1: Network Fundamentals – Chapter 10 Exam

Feb 23rd

Posted by Nathan in CCNA | Please wait

10 comments

01. Refer to the exhibit. A student working in the lab selects a cable that is wired as shown. Which connection types can successfully be made with this cable? (Choose two.)

  • connecting a PC to a router’s console port
  • connecting two routers together via their fast ethernet ports
  • connecting two switches together at gigabit speeds
  • connecting a PC to a switch at Gigabit Ethernet speeds
  • connecting two devices with the same interface type at Fast Ethernet speeds (more…)

Installing and Configuring DNS Server in Windows Server 2003

Feb 21st

Posted by Nathan in Microsoft | Please wait

2 comments

Please note before you start with the installation you MUST configure the server with a static IP address, otherwise the installation wizard prompts you to configure the server with a static IP address during the installation process.

Installing DNS Server on windows Server 2003:

To install DNS server you may choose one of the two  following methods:

* Installing DNS Server through Control panel :

  1. Click Start ==> Setting ==> Control Panel ==> Add or Remove Programs.
  2. Click on Add/Remove Windows Components from Add or Remove Programs menu.
  3. On Windows Components click on “Networking Services” and then click Details.
  4. On Networking Services details select the Domain Name System (DNS) check box, click OK and then click Next.
  5. Click Finish once the installation finished. (more…)

CCNA Exploration 1: Network Fundamentals – Chapter 9 Exam

Feb 19th

Posted by Nathan in CCNA | Please wait

7 comments

01. Convert the binary number 10111010 into its hexadecimal equivalent. Select the correct answer from the list below.

  • 85
  • 90
  • BA
  • A1
  • B3
  • 1C

(more…)

CCNA Exploration 1: Network Fundamentals – Chapter 8 Exam

Feb 16th

Posted by Nathan in CCNA | Please wait

11 comments

01. Which OSI layer is responsible for binary transmission, cable specification, and physical aspects of network communication?

  • Presentation
  • Transport
  • Data Link
  • Physical

(more…)

Installing CentOS 5.4 Step by step

Feb 15th

Posted by Nathan in CentOS | Please wait

3 comments

What is CentOS: CentOS is an Enterprise-class Linux Distribution derived from sources freely provided to the public by a prominent North American Enterprise Linux vendor. CentOS conforms fully with the upstream vendors redistribution policy and aims to be 100% binary compatible. CentOS mainly changes packages to remove upstream vendor branding and artwork. And YES CentOS is FREE.

CentOS is developed by a small but growing team of core developers. In turn the core developers are supported by an active user community including system administrators, network administrators, enterprise users, managers, core Linux contributors and Linux enthusiasts from around the world. (more…)

12»