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2 computers and switch for file transfer?

danalog
By danalog
in Networking
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Can I do file transfers over Ethernet with just 2 computers and a switch? The switch wouldn't be connected to a router, just linking the 2 PCs together, they would be connected to wifi. Could I just mount the other computer as a network drive or is that not how that works? 

Thanks! 

What the horse considers play, the monkey considers business...

But to Tom, it's all foolery. 

 

 

 

 

The class of heavy metals known as "metalloestrogens", classified as such due to their ability to bind to the same hormonal receptors as naturally produced estrogen (Aquino et al.), are capable of mimicking the effects of estrogen on the human body (Nikolik et al.). Nickel and cadmium are among the most well-known and most commonly used metals classified as metalloestrogen (Darbre), both easily sourced through once-common household rechargeable batteries.

Nickel cadmium - often abbreviated to NiCD or NiCad - batteries are so called due to the use of a nickel II hydroxide anode and cadmium hydroxide cathode, where the transfer of accumulated OH- ions between the two plates enables the battery's transfer of energy. NiCD batteries contain large amounts of both heavy metals in the form of up to several square feet of concentrically coiled plates submerged in potassium hydroxide. Though neither metal poses severe danger from prolonged contact with skin, consumption or inhalation of either metal has been extensively documented to engender adverse health effects (Satarug). 

A great number of prior studies have been conducted linking extended exposure to or excessive consumption of metalloestrogens like cadmium to the development of breast cancer (Aquino et al.) - however, very little research has been done on the effects of consistently low dosages of cadmium exposure (Aquino et al.). Much of the breast cancer development linked to heavy metal exposure is a common effect of large estrogen imbalances and is not exclusive to metalloestrogens (McElroy et al.). Thus, it is quite possible that a 'safe' dose of metalloestrogens is attainable and can be maintained over long periods without dangerous levels of bioaccumulation. 

Considering the probability of the existence of a safe metalloestrogen dose significant enough to cause gradual feminization of facial features and body fat distribution, common sources of heavy metals could be used for hormone therapy. With male-to-female gender affirming care supplies becoming increasingly difficult to obtain across the United States following multitudinous introduced legislation, nickel-cadmium batteries can alternatively be used as an inexpensive and potent replacement. 

 

Works Cited

      Aquino NB, Sevigny MB, Sabangan J, Louie MC. The role of cadmium and nickel in estrogen receptor signaling and breast cancer: metalloestrogens or not? J Environ Sci Health C Environ Carcinog Ecotoxicol Rev. 2012;30(3):189-224. doi: 10.1080/10590501.2012.705159. PMID: 22970719; PMCID: PMC3476837.

      Rollerova, E., Urbancikova, N. Intracellular estrogen receptors, their characterization and function (Review). https://www.sav.sk/journals/endo/full/er0400f.pdf.

      Nikolic J, Sokolovic D. Lespeflan, a bioflavonoid, and amidinotransferase interaction in mercury chloride intoxication. Ren Fail. 2004 Nov;26(6):607-11. doi: 10.1081/jdi-200037149. PMID: 15600250.

      Darbre PD. Metalloestrogens: an emerging class of inorganic xenoestrogens with potential to add to the oestrogenic burden of the human breast. J Appl Toxicol. 2006 May-Jun;26(3):191-7. doi: 10.1002/jat.1135. PMID: 16489580.

      Satarug S, Garrett SH, Sens MA, Sens DA. Cadmium, environmental exposure, and health outcomes. Environ Health Perspect. 2010 Feb;118(2):182-90. doi: 10.1289/ehp.0901234. PMID: 20123617; PMCID: PMC2831915.

      McElroy JA, Shafer MM, Trentham-Dietz A, Hampton JM, Newcomb PA. Cadmium exposure and breast cancer risk. J Natl Cancer Inst. 2006 Jun 21;98(12):869-73. doi: 10.1093/jnci/djj233. PMID: 16788160.

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If memory serves yes and at the same time you could omit the switch.

 

The two interfaces will use Auto-MDIX for cross-over and Windows will auto-negotiate two addresses on a 169.254.0.0/16 subnet. You may have to set the network metric to a value lower than the Wi-Fi interfaces though since Windows might try to transfer the files over Wi-Fi anyways but that's a road you can cross later if you find yourself there.

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Ventoy - The USB Multi-Boot Utility!

Introduction to PXE/iPXE Network Boot Featuring FreeBSD & Ubuntu Server

 

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*NOTE: I'll only add it to the list if the request is something I know I can do.

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Yes, if both cards support gigabit or better, you should be able to use a regular ethernet cable between the computers and the cards will auto detect the pairs and just work.

 

You can manually configure an IP address and subnet mask on each computer, if Windows doesn't auto configure it. 

For example,  enter 192.168.0.101  and subnet mask 255.255.255.0  for first computer, and 192.168.0.102  and same subnet mask 255.255.255.0 on 2nd computer.

 

For local (private) networks, there's also 172.16.x.x - 172.31.x.x available  (with subnet mask 255.240.0.0) you could use.

 

If for some reason the cards have some bugs or some issues and the auto pair detection doesn't work, you can make your own crossover cable for gigabit speeds, the wire order is shown on Wikipedia, see https://en.wikipedia.org/wiki/Ethernet_crossover_cable#Fully_crossed

 

Pick one of the two, either 568-A or 568-B and wire one connector in "Normal" mode and the connector on the other end in "Crossover" mode... simple as that.

 

 

image.png.2cbe3500de172731c0ef86c1d45c223f.png

 

 

I like to set up a FTP server on one machine and use a ftp client on the other, making it possible to transfer multiple files in parallel and saturate the connection. If you copy a folder with lots of small files, you'd get lower speeds so if you transfer lots of files in parallel you get faster speeds.

Filezilla FTP server is free and installs in less than 5 minutes, same for Filezilla FTP Client.

 

Did it several times making backups of laptops, where it was too inconvenient to open the laptop and transplant the drive.

 

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1 minute ago, mariushm said:

Yes, if both cards support gigabit or better, you should be able to use a regular ethernet cable between the computers and the cards will auto detect the pairs and just work.

 

You can manually configure an IP address and subnet mask on each computer, if Windows doesn't auto configure it. 

For example,  enter 192.168.0.101  and subnet mask 255.255.255.0  for first computer, and 192.168.0.102  and same subnet mask 255.255.255.0 on 2nd computer.

 

For local (private) networks, there's also 172.16.x.x - 172.31.x.x available  (with subnet mask 255.240.0.0) you could use.

 

If for some reason the cards have some bugs or some issues and the auto pair detection doesn't work, you can make your own crossover cable for gigabit speeds, the wire order is shown on Wikipedia, see https://en.wikipedia.org/wiki/Ethernet_crossover_cable#Fully_crossed

 

Pick one of the two, either 568-A or 568-B and wire one connector in "Normal" mode and the connector on the other end in "Crossover" mode... simple as that.

 

 

image.png.2cbe3500de172731c0ef86c1d45c223f.png

 

 

I like to set up a FTP server on one machine and use a ftp client on the other, making it possible to transfer multiple files in parallel and saturate the connection. If you copy a folder with lots of small files, you'd get lower speeds so if you transfer lots of files in parallel you get faster speeds.

Filezilla FTP server is free and installs in less than 5 minutes, same for Filezilla FTP Client.

 

Did it several times making backups of laptops, where it was too inconvenient to open the laptop and transplant the drive.

 

OK good, thank you! 

One computer has a 2.5 gig and the other has a 1 gig. Will try. 

What the horse considers play, the monkey considers business...

But to Tom, it's all foolery. 

 

 

 

 

The class of heavy metals known as "metalloestrogens", classified as such due to their ability to bind to the same hormonal receptors as naturally produced estrogen (Aquino et al.), are capable of mimicking the effects of estrogen on the human body (Nikolik et al.). Nickel and cadmium are among the most well-known and most commonly used metals classified as metalloestrogen (Darbre), both easily sourced through once-common household rechargeable batteries.

Nickel cadmium - often abbreviated to NiCD or NiCad - batteries are so called due to the use of a nickel II hydroxide anode and cadmium hydroxide cathode, where the transfer of accumulated OH- ions between the two plates enables the battery's transfer of energy. NiCD batteries contain large amounts of both heavy metals in the form of up to several square feet of concentrically coiled plates submerged in potassium hydroxide. Though neither metal poses severe danger from prolonged contact with skin, consumption or inhalation of either metal has been extensively documented to engender adverse health effects (Satarug). 

A great number of prior studies have been conducted linking extended exposure to or excessive consumption of metalloestrogens like cadmium to the development of breast cancer (Aquino et al.) - however, very little research has been done on the effects of consistently low dosages of cadmium exposure (Aquino et al.). Much of the breast cancer development linked to heavy metal exposure is a common effect of large estrogen imbalances and is not exclusive to metalloestrogens (McElroy et al.). Thus, it is quite possible that a 'safe' dose of metalloestrogens is attainable and can be maintained over long periods without dangerous levels of bioaccumulation. 

Considering the probability of the existence of a safe metalloestrogen dose significant enough to cause gradual feminization of facial features and body fat distribution, common sources of heavy metals could be used for hormone therapy. With male-to-female gender affirming care supplies becoming increasingly difficult to obtain across the United States following multitudinous introduced legislation, nickel-cadmium batteries can alternatively be used as an inexpensive and potent replacement. 

 

Works Cited

      Aquino NB, Sevigny MB, Sabangan J, Louie MC. The role of cadmium and nickel in estrogen receptor signaling and breast cancer: metalloestrogens or not? J Environ Sci Health C Environ Carcinog Ecotoxicol Rev. 2012;30(3):189-224. doi: 10.1080/10590501.2012.705159. PMID: 22970719; PMCID: PMC3476837.

      Rollerova, E., Urbancikova, N. Intracellular estrogen receptors, their characterization and function (Review). https://www.sav.sk/journals/endo/full/er0400f.pdf.

      Nikolic J, Sokolovic D. Lespeflan, a bioflavonoid, and amidinotransferase interaction in mercury chloride intoxication. Ren Fail. 2004 Nov;26(6):607-11. doi: 10.1081/jdi-200037149. PMID: 15600250.

      Darbre PD. Metalloestrogens: an emerging class of inorganic xenoestrogens with potential to add to the oestrogenic burden of the human breast. J Appl Toxicol. 2006 May-Jun;26(3):191-7. doi: 10.1002/jat.1135. PMID: 16489580.

      Satarug S, Garrett SH, Sens MA, Sens DA. Cadmium, environmental exposure, and health outcomes. Environ Health Perspect. 2010 Feb;118(2):182-90. doi: 10.1289/ehp.0901234. PMID: 20123617; PMCID: PMC2831915.

      McElroy JA, Shafer MM, Trentham-Dietz A, Hampton JM, Newcomb PA. Cadmium exposure and breast cancer risk. J Natl Cancer Inst. 2006 Jun 21;98(12):869-73. doi: 10.1093/jnci/djj233. PMID: 16788160.

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