Qhov rcp hais kom ua yog dab tsi?

Cas lub rcp Linux kev hais kom ua yog thiab siv nws li cas

Lub rcp hais kom ua (uas yog qhov chaw rau cov kev pab cuam rau tej thaj chaw deb ) yuav cia koj luam cov ntaub ntawv rau los ntawm ib lub computer los sis nruab nrab ntawm ob lub khoos phis tawm.

rcp yog rau cp tshwj tsis yog tias lub chaw taws teeb hauv lub computer thiab tejzaum nws username rau ntawm lub computer tej thaj chaw deb, ob qho tib si yuav tsum tau prefixed rau cov ntaub ntawv npe.

Yuav kom siv tau cov lus hais hauv rcp, ob qho tag nrho cov computers yuav tsum muaj ".rhosts" cov ntaub ntawv hauv tus neeg siv tsev cov npe, uas yuav tsum muaj cov npe ntawm txhua tus computers uas raug tso cai nkag mus rau hauv lub computer, nrog rau tus us username.

Ntawm no yog ib qho piv txwv ntawm cov ntaub ntawv .rhosts:

zeus.univ.edu jdoe athena.comp.com mjohnson

Tswv yim: Kev siv phom los yog kev siv scp yuav siv tau los luam cov ntaub ntawv ntawm cov computers yog tias tsis muaj cov ntaub ntawv .rhosts.

rcp hais kom ua Syntax

Qhov zoo syntax thaum siv lub rcp hais kom ua yog sau hom "rcp" tom qab los ntawm qhov chaw thiab ces qhov chaw uasi. Siv ib txoj hnyuv tawm cais tus tswv tsev thiab cov ntaub ntawv.

Nov yog qee qhov kev xaiv uas koj tuaj yeem tau ntxiv rau txoj cai rcp:

• / LOG : Cov ntaub ntawv teev tseg yog tsim los qhia tias cov ntaub ntawv tau muab luam tawm los ntawm lub computer. Thaum luam mus thiab los ntawm tej thaj chaw deb computer uas tsis koom nrog lub computer nyob rau txhua qhov, tsuas yog thawj daim tshev mus rau.
• / Tus neeg siv : Qhia meej rau hauv lub computer tej thaj chaw tus neeg siv nyiaj. Nws yuav tsum tau siv tsuas yog thaum cov chaw taws teeb tseg cov ntaub ntawv tsis tau muaj koj tus username lossis hostname.
• / PASSWORD : Qhov no yog tus password uas yuav tsum tau nkag mus rau hauv qhov chaw siv nyiaj. Nws siv nrog rau / USER.
• -r : Siv los luam ib qho tag nrho cov npe nrog rcp hais kom ua.
• -p : Tso cai rau daim ntawv khaws cov hnub uas cov ntaub ntawv tau muab kho kom zoo li cov ntaub ntawv tiv thaiv hom. Nws yog tib yam li / LOSSIS PRESERVE.

rcp kev ua piv txwv

Nov yog qee cov qauv ntawm kev siv rcp hauv Linux:

Luam ib Cov Ntaub Ntawv Xwb:

Cov hauv qab no yuav tsum tau nkag mus rau ntawm kab lus hais kom luam cov ntaub ntawv hu ua "customer.txt" hauv phau ntawv "/ usr / data /" hauv computer "tomsnotebook" mus rau cov npe tam sim no:

rcp tomsnotebook: /usr/data/customers.txt.

Lub sijhawm "." thaum kawg txhais tau tias "qhov no". Ntawd yog, cov npe ntawm qhov kev hais kom ua tiav. Koj tuaj yeem qhia meej rau lwm tus directory xwb.

Luam ib lub nplaub tshev tag nrho:

Koj tuaj yeem luam ib cov ntaub ntawv tiav los ntawm kev ntxiv "-r" tom qab "rcp":

rcp -r tomsnotnotebook: / usr / cov ntaub ntawv. rcp document1 zeus.univ.edu:document1

Luam Los Ntawm / Rau Lub Zog Lub Cav:

Cov ntawv luam "document1" los ntawm cov tshuab hauv zos rau tus neeg siv tsev cov npe hauv computer nrog URL zeus.univ.edu, piv txwv tias cov usernames yog tib yam ntawm ob qho tib si.

rcp document1 jdoe @: zeus.univ.edu: document1

Cov ntawv luam "document1" ntawm lub tshuab hauv zos mus rau hauv tsev cov neeg siv "jdoe" ntawm lub computer nrog URL zeus.univ.edu.

rcp zeus.univ.edu:document1 document1

Cov ntawv luam "document1" los ntawm lub computer tej thaj chaw deb "zeus.univ.edu" mus rau lub zos cov tshuab nrog tib lub npe.

rcp -r cov ntaub ntawv zeus.univ.edu:backups

Luam cov ntawv "cov ntaub ntawv", nrog rau tag nrho cov subdirectories, los ntawm lub tshuab hauv zos mus rau qhov chaw "backups" nyob rau hauv tus neeg siv tsev cov npe ntawm lub computer nrog URL "zeus.univ.edu," piv txwv tias cov usernames yog tib yam ntawm ob qho tib si.

rcp-r zeus.univ.edu:backups/documents kawm

Luam ib phau ntawv "cov ntaub ntawv", nrog rau tag nrho cov subdirectories, los ntawm lub tshuab tej thaj chaw deb rau qhov "kawm" ntawm lub tshuab hauv zos.