To connect 2 PCs using an RJ45 crossover cable, do I need zero, one or two ethernet cards.Five years ago, I could connect two PCs very easily for file sharing using a serial or parallel cable. Why is it more complicated now ?Thanks.P.s. Also I use Linux.
You need one ethernet card in each pc (but a lot of newer motherboards have a network socked built in now)
If you want to use RJ45 plugs then you need something to plug them into, hence an ethernet card on each machine,OR each machine has a built in (on board lan) connection or built in lan on one and ethernet card in other.
"Why is it more complicated now ?"Umm, it's not. Basic networking - even P2P - is easier now than it has ever been. Maybe it's just because Ethernet is new to you, in which case, you'll get used to it.
Okay. Thanks for responses. I'll get a few network cards.
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