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projects:openssh [2019/12/25 16:33] admin [1.scp run on client (copy remote to local case)] |
projects:openssh [2019/12/25 16:34] (current) admin [1) scp run on client (copy remote to local case)] |
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| ====== scp ====== | ====== scp ====== | ||
| - | ===== Control flow ===== | + | |
| ==== 1) scp run on client (copy remote to local case) ==== | ==== 1) scp run on client (copy remote to local case) ==== | ||
| * construct ''scp'' command to be executed on the server via ssh. append ''-v -r -p -d'' flags as appropriate. Resulting command stored in ''cmd'' variable | * construct ''scp'' command to be executed on the server via ssh. append ''-v -r -p -d'' flags as appropriate. Resulting command stored in ''cmd'' variable | ||
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| * ''tolocal()->sink()'' receives file from child via ''remin'' & ''remout'' and stores it to the local destination | * ''tolocal()->sink()'' receives file from child via ''remin'' & ''remout'' and stores it to the local destination | ||
| * finaly wait for child to finish, check for errors, close ''remin'' & ''remout'' and exit | * finaly wait for child to finish, check for errors, close ''remin'' & ''remout'' and exit | ||
| - | ==== On server ==== | + | ==== 2) client runs ssh to spawn server side of scp ==== |
| + | ==== 3) server accepts ssh connection from client ==== | ||
| * for ''-t'' or ''-f'' private flags: ''remin = stdin''; ''remout = stdout'' | * for ''-t'' or ''-f'' private flags: ''remin = stdin''; ''remout = stdout'' | ||
