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How to install the KDE Desktop on CentOS 7

March 24, 2016 by Richard Vincenti Jr Leave a Comment

CentOS Logo

If you have the Minimal Install of CentOS 7 and want to install the KDE Desktop, follow this guide and type in the commands below once you have CentOS 7 booted up and you’re logged in.

Enter in these commands to install the KDE Desktop from the Minimal Install:

Note: If you are not logged in as root, then you will need to use sudo. Also, you need to be connected to the internet for this to work, as you will need to download resources to your machine.

1. yum groupinstall “X Window System”
2. yum groupinstall “Fonts”
3. yum install kde-workspace
4. yum install gdm

Now to start the KDE desktop envirmonent you can type in:

startx

To have the system boot into the KDE Desktop follow steps 1-4 then :

1. unlink /etc/systemd/system/default.target
2. ln -sf /lib/systemd/system/graphical.target /etc/systemd/system/default.target
3. reboot OR (systemctl isolate graphical.target)

Filed Under: CentOS, Computers, Guides, How To, Linux, PC Tagged With: CentOS, Computers, Desktop, GUI, Guide, How To, KDE, Linux, PC

New HP Computers Not designed for Windows 7

November 8, 2012 by Richard Vincenti Jr Leave a Comment

Looking to buy a new PC? Make sure you get one with the operating system you want, already pre-installed.

Windows_7_Horizontal_Logo_Web

HP support mentions that downgrading your new Windows 8 PC may cause hardware issues and you may ultimately have to return to Windows 8 to get things to work again. Besides having major hardware issues, reverting to Windows 7 could be a time consuming task that will require you to modify the BIOS in order to work with previous versions of Windows.

Here is the response from an HP Administrator when asked about downgrading:

“HP does not recommend downgrading on any HP consumer desktop and notebook products. After October 26, 2012, HP consumer desktop and notebook products will ship only with Windows 8. Windows 7 will not be supported on these new platforms, and no drivers, apps, or Windows 7 content will be available through HP. If users choose to downgrade their HP consumer desktop or notebook system, HP will continue to support the hardware but if there is an issue where HP diagnostics are required OR it is determined that the loaded software or upgrade operating system is causing the issue, HP may suggest returning the system to the original Windows 8 OS that shipped with the computer.”

As a Windows 8 user I don’t feel the urge to downgrade. In most cases I have actually spent very little time using the new tile UI, in fact I spend about 90% of my time on the “old desktop”. I don’t purposely avoid the new UI, it’s just that many of the apps I use are either not designed for Windows 8 or have one too many bugs at this point. Only time will tell if users start to drop Windows 8 and go back with Windows 7, but I don’t see why anyone would. Microsoft will obviously be continuing to patch the new OS to ensure things are running smoothly and there are even a few ways to make Windows 8 look and feel more like previous versions.

 

Filed Under: Discussions, Microsoft, News, Windows Tagged With: Desktop, HP, Laptop, Microsoft, PC, Windows 7, windows 8

Are Days of the Desktop Computer Numbered?

August 18, 2012 by Richard Vincenti Jr Leave a Comment

Desktop ComputerAs I look around at so many smart phones and super light weight and thin laptops of today’s world, I can’t help but imagine the desktop computer fading out of the picture. For the longest time, it was said that laptops just don’t have enough power to do everything a desktop can.

Aside from making calls, mobile devices at best were used for mini-games, calculating a tip or text messaging. As our chips have become smaller and our wireless networks more advanced, we see our world becoming more connected while at the same time we become less connected, that is, in a wireless sense. I can do just about anything I need from my laptop and heck just about anything I need with my smart phone. Let’s not forget about the in between products like tablets, these things are great for handling day to day business and if I’m feeling bored at lunch I can open up my favorite game and update my achievements from anywhere.

To go even deeper, our devices look to become a nothing but a shell, a shell that connects to the cloud. The cloud won’t just be for storage either. Cloud computers may soon handle our processing needs. There is talk of cloud gaming in which our televisions connect to remote hardware to play our favorite titles. Cloud gaming would be a dream come true for developers who will no longer need to port from system to system or wonder how well the game will look and perform on a given machine. Why make thousands of small somewhat powerful devices when you can have everyone just plug into one massively powerful and connected “mega device”. It really can get hard to wrap your head around such a future.

There is however something that bothers me about this change. Perhaps it is the geek in me, but building my own machine is just the kind of weekend project I look forward to. Maybe there will be a market for custom built mobile devices with different CPU architectures for the same phones, a kind of a-la carte mobile experience for the uber geek in some of us or perhaps we focus our efforts elsewhere with the cloud. Mobile is guiding our future in computing faster than ever before and I can’t wait to see how this all evolves.

Filed Under: Discussions Tagged With: Computers, Desktop, Laptop, Mobile, Tablet

Beginners Guide to PC Building: Getting Started

August 18, 2012 by Richard Vincenti Jr 1 Comment

Have you been wanting to build your own PC from scratch but not sure where to start? This Beginners guide will help you get started and make sure you prevent major mistakes.bluetintedMicrochipArt

So, if you have done any research up to this point you will probably have noticed the shear amount of combinations there are when it comes to building your own. Selecting the right motherboard and cpu combination, memory, power supply, and case can all seem a bit overwhelming but this process can be simplified with a bit of planning and remember it is also about having fun!

So why build your own PC?

Personally, building a custom PC to me is my version of working on the hot rod in the garage. The customization and tweaking are all part of the process I enjoy. It also gets you closer to the technology and allows you to really appreciate and understand it from a perspective that otherwise might not be so clear. Ultimately, the feeling you get when it all comes together is worth it alone.

Getting Started

The first thing you really should do is decide what you want out of your build by asking some basic questions. What is this build for? gaming,video/photo editing, multiple OS machine, server, media hub. Once you decide the build purpose, you can narrow down your choices a bit. Another Consideration here is budget, how much are you willing to spend? Look around for different retailers and find the best deals. Another important thing to consider here is brick and mortar stores vs online. There are distinct advantages for both here but remember some stores will price match. Also consider the need to return/exchange a product, if a local store can price match go there, why wait a few days to get something exchanged or refunded when you can drive right to the store?

The CPU (AMD or Intel?)

This is the first real fork in the road here and an important decision to make early on because your motherboard selection will only work with one or the other. Both AMD and Intel make great chips, each company offers differing performance for price and ultimately the decision is entirely up to you. I wont try to push you in either direction here as your decision is more about the type of CPU rather than the brand.

CPUs are generally broken down into groups based on the amount of cores, operating frequency (GHz), and Socket. There are other factors to consider as well such as power consumption and cache. Choosing the series of processor should not be difficult but you should put some thought into your decision really think about your computing needs and what your trying to accomplish.

The MotherBoard

After you have chosen your CPU you can select the motherboard you would like to use. There are a few features to consider when choosing a motherboard like how many drives your planing on having and what size of motherboard you want to use. Motherboards come in many form factors, Standard ATX, Micro ATX, Mini ITX, and Nano ITX. The two most common here are Standard and Micro ATX. Check over the specs on the motherboard and make sure it meets your I/O needs (usb ports, Firewire, optical,bluetooth). Think about how many SATA connectors you will need and what speeds they operate at, typically 3Gb/s and 6Gb/s for SATA.
Factor in how much memory can the motherboard support and how many PCIe slots are available and if it supports multiple GPUs what type of multi-GPU support it has (NVIDIA SLI Technology or AMD CrossFireX Technology).

The big thing to take away from choosing a mobo/cpu combo is making sure things are compatable.

*USB 3.0 is becoming more common and is featured on many new motherboards, however many only come with a few 3.0 ports and the rest 2.0, so take note of how many you need and how many are included.

The Case

Some Considerations-

-Size-

The wonderful home for all of these components needs to be large enough to support all of the of the hardware you plan to install inside it. This may sound like a no brainer but I know that many people have later on realized that they wanted the latest and greatest graphics card only to find they dont have enough room, and some may have even gone to great lengths to make it fit ie.(dremel tool). So make sure you you give your self enough room to work with for what you need and what you may want in the future.

-Air flow-

Make sure the case you choose has adequate airflow design that makes sense. Believe me, you would think that this would be considered more when manufacturers make these cases, just trust me here when I say not all cases are created with intelligent airflow design.

-Management and other Features-

Most cases will have nice features like drive bays that you can simply slide and lock into place and wire management areas to keep your wires from becoming a rats nest. Check to see where headphone jacks and USB ports are located.

Power Supply

The Power Supply you choose should have all the nessesary power connectors you need. Remember each drive you install needs power, each graphics card you install needs its own power connector. Wattage will be determined by the amount of devices needing power and if you plan on installing a graphics card you will see a minimum requirement for wattage right from the GPU manufacturer.

*It is better to have a little more power then barely enough, you don’t want to stress your system and its components.

*Newer drives use SATA power connections, older drives use Molex connectors.

Memory

The type of memory or system RAM you install will depend on what is compatable with the processor you chose. Check the memory guidelines for the processor you choose. Once you find the right type of RAM, choose how much you want to install.

*If you are running a 32-bit version of Windows then you can only utilize up to 4GB of RAM, anything over this amount will not be recognized by your system. To gain access to memory capacity larger than 4GB you will need a 64-bit version of Windows.

Graphics

If you’re planning on gaming or doing other demanding video tasks then you will want to get a high end graphics card capable of handling lots of video data at once. The brand you go with is less important unlesss you are planning on using multiple graphics cards at once, in this situation need to make sure your motherboard supports the technology you’re trying to use. SLI and Crossfire are the two major communication protocols used in Nvidia and AMD graphics cards. Basically, it is the technology that allows multiple video cards to work together.

Storage and Media

Choose how much hard drive space you will need and what type of optical media you want to use. Plan on watching movies? Grab a blu-ray drive, preferably one that also burns blu-ray discs.

Another popular choice for storage are solid state drives or SSDs. SSDs are much much faster than standard hard drives and cointain no moving parts, so they are silent when running. This is a great performance boost in any system but it comes at a price. Many SSDs sell for about $1.00 per gigabyte, which is much more expensive then the old hard drive.

Wrap Up

This should hopefully help guide you through the first part of your pc building experience. I will be adding more parts to this guide in the future. You can really get into the details of each of these components more on your own as you learn more about the hardware that powers our computing experiences these days.

Filed Under: How To Tagged With: Building, Computers, Desktop, Guide, Help, PC, Technology

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