AU Blogspot

 
                Thanks to Sherrie G. for permission to use this Photo.

A few days ago I purchased a new computer. The computer has a 4 gig hard drive — not much space for many programs. Well, I downloaded the updates or SP2 service pack the second day that I owned the computer. As we may see the hard drive is not built for that much data. Long story short; the hard drives capacity was reached.

Here is the solution: Re-install the software after a format and new partition. Well, the computer is small and has no CD drive. So, what to do? I thought that I could try to copy the software to a memory card and or an external hard drive and install from there. Guess what? The software was installed but the format was not in existence. The new installation files were copied right on top of the already full hard drive. Two other times the files were installed to the memory card and external hard drive.

After all this trouble the hard drive (c:/) did not register. Even better, the computer asked me what OS I wanted to load! I did make a selection but I had no luck. At that point I was without a functioning computer.

The problem: The programming or software on today’s memory cards and external hard drives are not always set to handle these installation problems. What we need is a solution to this problem. I have heard from other students that there is software for this situation, but it must not be an every day item. I have not seen much . . . to talk about.

Finally, I just paid for the external CD drive and I was back in business. Two things: 1. Attempting something new with available resources can lead to win, lose, or newly gained insight into a problematic situation. 2. Attempting something new can very much so be devistating to our equipment.

What did I gain, well; I understand that from a situation like this I can see what problems non-techs may have when they work with today’s computers. Although, I will be able to walk away from this task knowing that I can create software that is built for the common man or woman. I think it is a policy in today’s computer companies to think about the problems that can arise with software before it is sent out to the public. The main problem is the company that produced this computer did not realize that a 4 gig hard drive is not enough for today’s world. Solution: Do not allow the software to update, if it does the millions of customers out there will suffer the same fate that I did. Easy solutions for head-acking problemes!

Gabriel M.
Student
Ashworth University School Of Information Technology

           Thanks to Joshua Wickerham for permission to use this Photo.

Has anyone emailed you a Microsoft Word file or excel file made in Office XP that you weren’t able to open with your copy of Office 2003 or 2000?  That’s because 2007 saves Word and Excel files in a custom file type by default.  Word 2007 saves in the .docx format for instance.

Excel 2007 saves in the .xlsx format by default.  If this has happened to you there are two options.  One of course is to install Office 2007 on your computer.  The far lesser expensive alternative is to download and install the Microsoft 2007 conversion tool which allows earlier versions of Office to open 2007 files.  Note that this is a read only tool.  You cannot create 2007 files with it.  Office 2007 does allow you to save files in the format of earlier versions.  If you anticipate emailing any files created with Office 2007, you should do this so that your recipients can open them guaranteed.  You can download the conversion tool by clicking here.

There are other alternatives to Microsoft Office.  I have written about OpenOffice before, the most popular open source office suite.  It is totally free and many of its components, such as the word processing and spreadsheet components, have an identical look as Office 2003.  It is ideal for students.  You can research it further and download it here.

Another alternative is Google Apps.  Google Apps, which was heralded early on has not caught on as was anticipated.  It is a web based application which means that nothing is installed on your computer.

This means that you can work on your files from anywhere since you can also save your files on a personal storage space of your own on a Google server.  You can also save your files to your local computer or media as well.  You can access Google Apps here.

Brad Rudisail
Computer Network Technician-Network Security Instructor
Ashworth University

The 2008 Global Information Security Workforce Study was recently released.  A total of 7,548 professionals in the field were surveyed.  The complete study can be downloaded at https://www.isc2.org/cgi-bin/content.cgi?category=510 

The most interesting headline from the study was the fact that 70 percent of all respondents reported that their own employees are the biggest threat to their organization’s security.  This is contrary to the common belief that organizations must throw most of their resources at the outside perimeter of the organization’s network to prevent outsiders from accessing their network.   

This premise is supported by a recent finding that email is now no longer the number one manner in which viruses access an organization’s network.  With the ease at which employers now bring in thumb drives, personal laptops and PDA’s.  Network security plans must focus on an umbrella approach that guards the entire network. 

Brad Rudisail
Computer Network Technician-Network Security Instructor
Ashworth University

   Thanks to NASA, ESA-Hubble Collaboration for permission to use Photo. 

One of the security weaknesses experienced with laptops and other portable computer devices for many years is the simplicity in which their drives could be compromised if the device is stolen.  This was especially true before Windows XP and Windows 2000 when a thief could simply install a second operating system on the laptop, logon to the new operating system and gain admin rights to all the data on the drive. 

Windows XP and Windows 2000 introduced EFS, Encryption File System, which allowed users to encrypt files of their choosing.  Because the encryption was centered on an encryption key based upon the original operating system, an intruder couldn’t access that file simply by accessing it through another operating system.  However, this required the user to individually encrypt every file or folder in order to protect all of their data.  Needless to say, the majority of users failed to do this.   

Microsoft has introduced a new technology called BitLocker with Windows2008 and premium flavors of Windows Vista.  BitLocker encrypts the entire drive, including the Windows system files necessary for startup and logon, which could give an intruder the ability to discover passwords and logon information.  What’s more, BitLocker utilizes a feature called Integrity checking which analyzes the early boot components and helps to ensure that data decryption is performed only if those components appear unmolested and that the encrypted drive is located in the original computer.  This prevents thieves from stealing your hard drive and putting it into another computer to access the data. 

It will also make it much easier for organizations to recycle old computers as they will not have to worry about erasing data on machines being decommissioned as the drives will be inaccessible.  BitLocker is a great new addition to the Windows operating system and should be implemented by any organization or individual that works with sensitive data.

Brad Rudisail
Computer Network Technician-Network Security Instructor
Ashworth University

              Thanks to Jamie Hladky for permission to use this Photo. 

You have to learn how to crawl before you learn how to walk, but once you learn a foundation of IT skills in Ashworth University’s information technology programs and anchor yourself in the IT labor force, here are the ten hottest tech skill sets you should aim to learn in the next five years according to Tech Republic.

1. Voice over IP - sales of pure IP PBX systems for the first quarter of 2007 increased 76% over the first quarter of the previous year 
2. Unified Communications - the convergence of different communications technologies, such as e-mail, voicemail, text messaging, and fax 
3. Hybrid Networks – Networks are no longer all Windows or all Linux, they are a hodgepodge of different systems and IT pros need to learn more than one of them.   
4. Wireless Technologies – everything’s going wireless it seems.    
5. Remote User Support – with more employees working off-site today, help support personnel must provide remote support to anywhere. 
6. Mobile User Support – more and more organizations are providing blackberries and other smart portable devices for their employees that must be supported. 
7. Software-as-a-Service – or SaaS as it is referred to in technical articles.  With the popularity of Web 2.0, the trend is to now provide software applications over the Internet rather than installing them on each and every computer. 
8. Virtualization – With the dominance of VMWare and the soon to be released 2008 Virtual Application from Microsoft, virtualization is THE buzzword today along with its countless benefits. 
9. IPv6 – Although this standard has not grown in popularity as of yet, mostly because the wide usage of NAT has allowed us to not run out of IP addresses on the Internet as fast as predicted, this standard is going to come about within the next five years.
10. Security - A skill set that will probably always be in the top 10. 

Brad Rudisail
Computer Network Technician/Network Security Instructor
Ashworth University

            Thanks to Donovan Mueller for permission to use this Photo. 

It’s standard practice that if you have an always-on Internet connection, then you should have a firewall, implemented in either hardware, such as a router, or in software.  But even if you are using a dial-up connection, you really need a software firewall to protect you from intrusions.  You would be surprised at the number of attempts to get into your PC a good software firewall will block on a PC using dial-up.  A firewall will also notify you of attempts to go out to an Internet website.  You can then allow or disallow the outbound traffic.  You would want legitimate programs such as Windows to access the company’s website for update purposes, but you’re safer to block any programs that you don’t recognize from doing so.  Be sure to check for correct spelling.  Say you have Symantec’s anti virus program on your PC and have set it up for automatic virus signature updates.  Your firewall will ask you whether you want to grant the program permission to go outbound.  But some malware could identify itself as Symantek.  Should you allow it to access the Internet, you could be in for an unpleasant surprise. 

Yes, it’s unfortunate that there are so many nasty things that can happen to your computer.  And thwarting such attempts can cost you time and money, but you really need to do this.  At minimum you need a firewall, an anti-virus program, and an anti-spyware utility.  You’ll also need to update the anti-virus and anti-spyware programs’ signature files at least once a week, as well as scanning with each at least once a week, more frequently if you are online daily.then you should have a firewall, implemented in either hardware, such as a router, or in software.  But even if you are using a dial-up connection, you really need a software firewall to protect you from intrusions.  You would be surprised at the number of attempts to get into your PC a good software firewall will block on a PC using dial-up.  A firewall will also notify you of attempts to go out to an Internet website.  You can then allow or disallow the outbound traffic.  You would want legitimate programs such as Windows to access the company’s website for update purposes, but you’re safer to block any programs that you don’t recognize from doing so.  Be sure to check for correct spelling. 

Say you have Symantec’s anti virus program on your PC and have set it up for automatic virus signature updates.  Your firewall will ask you whether you want to grant the program permission to go outbound.  But some malware could identify itself as Symantek.  Should you allow it to access the Internet, you could be in for an unpleasant surprise. 

Yes, it’s unfortunate that there are so many nasty things that can happen to your computer.  And thwarting such attempts can cost you time and money, but you really need to do this.  At minimum you need a firewall, an anti-virus program, and an anti-spyware utility.  You’ll also need to update the anti-virus and anti-spyware programs’ signature files at least once a week, as well as scanning with each at least once a week, more frequently if you are online daily.

Dave Ronan
Computer Training Instructor
Ashworth University

                   Thanks to פיקוס for permission to use this Photo.

If you are in the IT Field or considering getting into it, you don’t need rose colored glasses to see a promising future for yourself.  The Bureau of Labor Statistics recently reported that IT will be the fastest growing sector of our economy for the next ten years.  They also report that the three fastest growing jobs in the US are network system and data communication analysts, computer systems analysts and software application engineers.  In fact, in just about any top ten list, you will find IT has the most positions of any field.Now couple this tremendous growth with the following statistic:

The labor force for the 25 to 54 age group in IT will only grow at a dismal .2% between 2006 and 2016. 

Do you want to be in demand for the next decade?  Stay committed to your program studies and your hard work will pay off.  The bottom line is that it’s important to obtain as many skill sets as you can in the rapidly expanding IT industry.  If you need assistance with your lessons, I encourage you to reach out to me in the comments section of this blog.  I always look forward to hearing from my students!

Brad Rudisail
Computer Network Technician-Network Security Instructor
Ashworth University

 
         Thanks to Isaac Wayton for permission to use this Photograph.

IT has already been paying close attention to the green revolution as it applies to technology.  Last year, the Chief Network Engineer for Google came out with a startling quote, “If the performance per watt of today’s computers doesn’t improve, the electrical costs of running them could end up far greater than the initial hardware price tag.”  Consider that while a typical server in the 2000 consumed only 100W of power, the average server today consumes at least four times as much.

To compound this, the number of servers in networked organizations has expanded drastically in the past decade as the ccommon practice up to now for server management was to allow rack-mounted servers to run just one workload.  This is exemplified by a 2005 study by Stanford University that showed that Servers in the United States and their attendant cooling systems consumed 45 billion kilowatt-hours of energy in 2005. That’s more than Mississippi and 19 other states. 

Now factor in the exploding economies of China and India and the number of servers they are putting on line each day and one can easily recognize the strain on resources that the IT industry is levying on the world.  It leaders across the country are recognizing that the current network model is unsustainable in the years ahead under realistic budgetary constraints.  Energy consumption is one more reason why more and more organizations are turning to virtual servers, centralized storage and virtual or multi-user desktops. 

Brad Rudisail
Computer Network Technician-Network Security Instructor
Ashworth University

                 Thanks to Kit Cowan for permission to use this Photo. 

I had to go about shopping for a new KVM switch at my work to replace one that had gone bad.  This gave me the idea to write a short blog piece about KVM switches.  A KVM switch allows a user to control multiple servers or workstations with a single monitor and mouse/keyboard.  In a typical datacenter, each rack of servers will be connected to a KVM switch which has an assigned monitor/mouse/keyboard.  Because of KVM switches, organizations don’t have to purchase a monitor and keyboard/mouse set for every single machine.  This makes sense since users do not dedicate themselves to a server desktop as they do a workstation. 

Each computer is connected to the KVM switch with a special VGA or USB cable.  Higher end KVMs allow standard Ethernet cables to connect computers.  KVMs usually come in 4, 8 and 16 port versions, meaning that it can accommodate that many machines.  When a user wants to access a particular machine, he simply hits an assigned key on the keyboard to view a menu of the computers that are managed by that KVM.  He then selects the machine he wishes to view and the monitor then brings it up.  Imagine if you were downloading and installing Windows Updates on 8 servers.  You could pull up each server at a single monitor and complete the tasks without leaving your chair.

KVM switches are not utilized as much as they have been in the past due to the ease of tools such as Microsoft Remote Desktop which allows one to remote into any windows server at will and pull up the server desktop wherever they are in the world.  These remote applications due have one big limitation in that they do not allow a user to view the booting process of the server or access the BIOS as one normally is able to.  Unlike a KVM, if you reboot a machine while remoting into it, you lose your connection.  Because of this, KVM switches continue to be a valuable tool for networks today.

One of the biggest players in the KVM market is Avocent.  Visit their website at www.avocent.com to learn more about their product line and KVMs in general.

Brad Rudisail
Computer Network Technician/Network Security Instructor
Ashworth University

            Thanks to Dennis Hamilton for permission to use this Photo.

Bill Gates toured five North American Universities in February speaking about the coming IT labor shortage.  Across the country, colleges across the U.S. and Canada have seen a steady drop in the number of students entering the field of computer science ever since the dot com bust at the start of the decade.  K12 schools as well are seeing fewer students interested in the field of IT.  These indicators point to a looming shortage of skilled workers in the IT field in the coming decades.  Although this will greatly benefit those in or just beginning their careers in IT, it puts into question the leadership in technology that the U.S. has enjoyed up to now. 

In order for our country to continue to be a major economic player in the world we must have the IT talent to spur further technological innovation and support our current and future infrastructures.  It is because of this dire possibility that leaders such as Bill Gates are publicly addressing young people concerning the exciting possibilities and unlimited opportunities that await them in the IT field. 

So how did this come about?  There are several factors.  The dot com bust of 2000 did a lot to taint the field.  Many high school students changed their minds about IT after reading how many IT jobs were lost during that time.  Parents discouraged their middle and elementary aged students to pursue the field as it offered little promise of opportunity they thought.  The overplay of the media discussing the many IT support jobs that migrated to India also provide fodder to parents and young people to not consider IT.  Unfortunately though, these concerns have been exaggerated and now the pendulum has swung so far in the other direction that those in the IT field today have the benefit of knowing that their skills are and will continue to be in high demand.

Brad Rudisail
Computer Network Technician/Network Security Instructor
Ashworth University