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We have already connected to a remote computer in this class!

  • rsync, wget, ftp, sftp, curl, scp

What other types of computers can we log into?

1. remote personal computers
2. servers (computing or file storage)
3. supercomputers

Features of Remote Servers & Supercomputers

  • Hard drive/solid-state drive: non-volatile data storage and retrieval (space measured in GB or TB).
  • Processor (CPU): perform computational tasks (speed measured in GHz).
  • Core: an independent processor.
  • Memory/RAM: temporary volatile storage of data (space measured in GB).
  • CPU cache: faster memory for temporary storage of copies of frequently used data (usually measured in MB).

Accessing remote computers with ssh

ssh….secure shell.

$ ssh username@server_address

A common method for downloading data from a public server (ftp)

ftp….file transfer protocol.

$ ftp	

Transferring data between computers/servers (scp)

scp….secure copy protocol.

$ scp /path/to/local/file username@hostname:/path/to/remote/file

wiki/2018networking.1535598932.txt.gz · Last modified: 2018/08/29 21:15 by erin