[LAN] How to Control Your LAN Computer Remotely, Part III

Today i will show you how you can transfer files using TeamViewer , its pretty easy way and straight forward, and how to shutdown the computer .

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[LAN] How to Control Your LAN Computer Remotely, Part II

After i showed you in the Previous Post how to turn on your computer by using Wake-On-LAN feature remotely , now i will show you how to control the computer using TeamViewer software (Download 2.6 MB) .

TeamViewer software is a wonderful tool that give you complete access to the other computer, so you can do everything ! starting from login into windows , copying files, restart the computer or shut it down, so youare using that remote computer as you are actually using it
,Now we will start with installing TeamViewer, you can download it for free from TeamViewer Web site , and then you have to install it , the installation process is pretty much like any other software installation, here is how to do it (in case you don't know!) step-by-step:
note: this step should be performed in both computer , the computer you want to access remotely and the master computer, for step number 5 its better to chose same password to make it easier for you to remember this password .

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[LAN] How to Control Your LAN Computer Remotely, Part I

Imagine that! You are sitting in your room using your computer, then you wanted to listen to on of your favorite song, but you remember that this song is in your upstairs computer!! Damn!! And sure! You are too lazy to look for your flash and go upstairs and turn that computer on then copy it and back to your computer again!!! No way I will do that!! So what is the solution then?!

Well I will demonstrate here how you can control your computer remotely over your existing LAN, you don't have to have that complicated permissions or configure access policies and all that stuff! It needs a couple of softwares and some setting adjustment and that's it! So this article will be divided to the following sections:


1. Requirements.
2. Turn on your computer remotely.(here)
3. Control your computer.
4. Turn off your computer.

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[Internet] Photo source tracking

Today i was checking one of my friends Facebook group its called "Guess the anime & the character" , the idea is guessing the show from where the picture was taken and guessing the name of character too, and as i am not that into anime shows and i wanted to participate and try to answer at least one correct answer without watching all that shows and episodes ! what seems very boring idea for me !! so something pop on my mind , why i cant trace the source of the picture and then identify from which site it was taken? so that was my little project for today,

I was able to trace a lot of photos by this way , add to that you can know if the photo was modified and see all that modifying history , so here is how :

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Connection speed and routers

    Why I don’t get more than 3 Mb/s file transfer over LAN?

    Why I don’t get more than 3 Mb/s file transfer over my wireless network?

    Why I can’t transfer files faster in windows 7 or windows XP?

    Why I can’t copy files faster in my LAN?

    What 108 Mb means? 54 Mb?

    What is the difference between MB, Mb, Byte, and Bit?

    What does CAT-5, CAT-6e means?

    Things to know !

    1. Mb: means Megabit and this equal to 1000 Kb

    2. Kb: means Kilobit and this equal to 1000 Bit

    3. b (bit) : this is the smallest size used in computer and i will not explain what it means!!

    4. MB : this is Megabyte!! and it equals 1024 KB.

    5. KB : this is Kilobyte !! and it equals 1024 Byte .

    6. B (byte) : this equal 8 bit.

    7. so that means 100 Mb = 100,000 Kb = 12.5 MB = 12,800 KB !

    8. the most common unit used is MB (megabyte) but in connection speed is Mb (megabit) !

    108 Mb routers!

    Hypothetically!

    108 Mbit = 10800 Kbit = 13.5 MByte =13824 Kbyte (file transfer rate in 108 Mb network)

    This means if you want to transfer 100 MB file it needs 7.4 seconds on 108 Mb speed,

    And for 1 GB file it needs 75 seconds (1 minute)

    In real world!!

    But what you get for real is half of this speed and this equal to

    54 Mb=5400Kb=6.75 MB =6912 Kb

    This means if you want to transfer 100 MB file it needs –for real- 15 seconds on 108 Mb speed,

    And for 1 GB file it needs 151 seconds (2.5 minutes)

    54 Mb routers!

    Now, what happened for real is most devices don’t take 108 MB speed, but instead they get 54 MB speed, now for the calculation:

    Hypothetically!

    54 Mbit = 5400 Kbit = 6.75 MByte =6912 Kbyte

    This means if you want to transfer 100 MB file it needs 15 seconds on 54 Mb speed,

    And for 1 GB file it needs 151 seconds (2.5 minutes)

    In real world!!

    But what you get for real is half of this speed and this equal to

    27 Mb=2700Kb=3.37 MB =3456 Kb

    This means if you want to transfer 100 MB file it needs –for real- 30 seconds on 54 Mb speed,

    And for 1 GB file it needs 304 seconds (5 minutes).

    Direct cable connection

    If you connect two computers directly using cable (CAT5,CAT6) you will get speed of 100 Mb (12.5 MB/S ) of course depending on Ethernet card speed and cable speed, so that means if you want to transfer 100 MB file it needs 8 second, and for 1 GB you need 1.5 minute !! But in real life this may decreased a little bit (but not to the half as wireless connection as mentioned above!)

    Wireless connection

    If you connect two computers using a wireless connection (either if you use router or not) you will get 54 Mb/s transfer rate (6.75 MB/s) at least what I get even I use router that support 108 Mb connection and a laptop that use 108 Mb too! And I even tried to connect two laptops directly using wireless connection without router and I get same speed (the two computer support 108 Mb connection!)

    Cable types

    CAT-5 is rated to 100Mb CAT-5e is rated to 350Mb CAT-6 and CAT6e is rated to 550Mb or 1000Mb depending on your source CAT-7 is supposedly rated to 700Mb or presumably 1000Mb

    What mostly available are CAT-5 cables here (middle east) but in Europe and U.S there is CAT-5e and CAT-6 !

    Conclusion

    As conclusion , if you want to transfer large files I recommend using direct cable connection without router , and if you want to get better in wireless connection you have to use 108Mb router and wireless card that support 108Mb and g wireless mode (b is slower!) , and the best is using N mode device that give a better connection speed (300Mb/s “37.5MB/s”) –of course for supported devices- , so for now don’t raise you expectation if you are using a wireless network and don’t get upset of not getting more than 3 MB/s file transfer rate!

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Some distributions of Linux


Some distributions of Linux


Original Unix (1972)

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