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One PC is running Windows 7, and another one is running GNU/Linux 16.04. My goal is to transfer 75GB big data from one to the other.I have ethernet cable and I have already tried creating LAN(TCP/IP v4 protocol) on Windows and Linux also with these settings:

PC 1:
IP Adress: 192.168.0.2 Mask: 255.255.255.0

PC 2:
IP Adress: 192.168.0.3 (These IP's are different in one number) Mask: 255.255.255.0

I plugged cable directly on these two PCs, but from one PC I cannot acces to other. I've checked file sharing in Windows. After typing ping 192.168.0.2 in Terminal, I got: $ ping 192.168.0.2 PING 192.168.0.2 (192.168.0.2) 56(84) bytes of data. 64 bytes from 192.168.0.2: icmp_seq=1 ttl=128 time=0.420 ms 64 bytes from 192.168.0.2: icmp_seq=2 ttl=128 time=0.315 ms

So I have 2 questins: 1) How to connect these two and fulfill my task, i.e. transfer such big data without an external hard disc? 2) Are crossover and ordinary LAN cables the same thing?

  • To check connection; go to terminal (shell) on either (ctrl+alt+T on your Ubuntu, run pshell or cmd on other) and try pinging the other machine, eg ping 192.168.0.2 if done from pc2. It'll confirm your machines are talking, and you don't need a special cable (normally a switch/hub reverses the send-receive pins; but most NICs autosense this & change). If you get a reply the connection is up, you only need to set up services (eg. file server where one will act as server to the other; SaMBa/cifs is easiest with windoze) – guiverc Jan 6 '18 at 22:04
  • Results are best put in original question; ie. edit it and add there are more formatting options exist than in comments. Your addresses are 0.2 & 0.3 in question; yet 0.100 shows in 'ping' so something is wrong. to see your ip address you can enter ip addr or ifconfig (interface config) on your GNU/Linux, and ipconfig on your windoze box. – guiverc Jan 6 '18 at 22:22
  • ICMP echo request (ping) is working so connection is good. You need a protocol to transfer files such as SaMBa where a reference is help.ubuntu.com/community/… When setup, SMB/SaMBa/CIFS allows you to create a directory for read/write on your Ubuntu box; which you mount (net use on widnoze) on windoze to copy files between machines. scp (secure remote-copy doesn't need mounting) isn't available natively on windoze but putty may allow it, look at stackoverflow.com/questions/21587036/… – guiverc Jan 6 '18 at 22:37
  • NIC ports (network interface cards connectors) have a pin for sending data, and another for receiving data. A standard cable will connect the 'send' pin on one machine to the 'send' pin on another, where as a crossover cable swaps the send-receive pins so two machines can communicate directly. So crossover cables have pins 2 & 3 swapped on utp (unshielded twisted pair) cables. Connecting PC to PC should require crossover cables in theory. In practice most NICs have auto-sensing ports that detect this condition & make the swap electronically, so crossover cables are rarely needed – guiverc Jan 6 '18 at 22:41
  • Related: askubuntu.com/questions/821477/… – WinEunuuchs2Unix Jan 6 '18 at 22:58
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re: crossover & standard cables

NIC ports (network interface cards connectors) have a pin for sending data, and another for receiving data. A standard cable will connect the 'send' pin on one machine to the 'send' pin on another so sent data gets lost (neither machine hears it). A crossover cable however, swaps the send-receive pins so two machines can communicate directly (hearing each others sent traffic). Crossover cables have pins 2 & 3 swapped on UTP (unshielded twisted pair) cable.

Connecting PC to PC should require crossover cables in theory; hubs or [network]switches do this function normally. However in practice most NICs have auto-sensing ports that detect this condition & make the swap electronically, so crossover cables are rarely needed on modern hardware.

re: your task

ICMP echo request (ping) is working so connection is good.

You need a protocol to transfer files such as SaMBa where a reference is https://help.ubuntu.com/community/Samba?action=show&redirect=SettingUpSamba . When setup, SMB/SaMBa/CIFS allows you to create a directory for read/write on your Ubuntu box; which you mount on windoze (net use) to copy files between machines. When done you can unmount your connection & remove it (most secure), or leave it in case its needed again.

A faster/easier approach is just rcp (remote copy) or scp (secure remote-copy) doesn't need extra mounting steps, however isn't available natively on windoze. A program called putty allows it so I suggest looking at https://stackoverflow.com/questions/21587036/using-putty-to-scp-from-windows-to-linux (this is more theory; I seldom use windoze)

  • You can cut the first paragraph from your answer. It is so outdated that it could be a sidebar at best, not a leading paragraph. Auto MDI-X was introduced ~20 years ago and became mainstream ~15 years ago. – Redsandro Sep 24 '18 at 13:01
  • Part of the question was "Are crossover and ordinary LAN cables the same thing" - I was attempting to answer that. – guiverc Sep 24 '18 at 22:07
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Thanks a lot, but I could not manage with samba and scp... But at the end, problem solved! I used "HTTP File Server" for Windows to transfer data from PC which was using Windows 7 to laptop which was using Linux. Transfer speed was 5-5.5 MB/sec. In the other direction (Transfer data from Linux to Windows) I used "HTTP server"program(To install http server you have to install node.js and npm via console - it's easy ...), version for Ubuntu.

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