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scp命令默认传输速度多大_每天一个linux命令(60):scp命令

發(fā)布時(shí)間:2025/3/8 19 豆豆
生活随笔 收集整理的這篇文章主要介紹了 scp命令默认传输速度多大_每天一个linux命令(60):scp命令 小編覺(jué)得挺不錯(cuò)的,現(xiàn)在分享給大家,幫大家做個(gè)參考.

scp是secure?copy的簡(jiǎn)寫(xiě),用于在Linux下進(jìn)行遠(yuǎn)程拷貝文件的命令,和它類(lèi)似的命令有cp,不過(guò)cp只是在本機(jī)進(jìn)行拷貝不能跨服務(wù)器,而且scp傳輸是加密的。可能會(huì)稍微影響一下速度。當(dāng)你服務(wù)器硬盤(pán)變?yōu)橹蛔x?read?only?system時(shí),用scp可以幫你把文件移出來(lái)。另外,scp還非常不占資源,不會(huì)提高多少系統(tǒng)負(fù)荷,在這一點(diǎn)上,rsync就遠(yuǎn)遠(yuǎn)不及它了。雖然?rsync比scp會(huì)快一點(diǎn),但當(dāng)小文件眾多的情況下,rsync會(huì)導(dǎo)致硬盤(pán)I/O非常高,而scp基本不影響系統(tǒng)正常使用。

1.命令格式:

scp?[參數(shù)]?[原路徑]?[目標(biāo)路徑]

2.命令功能:

scp是?secure?copy的縮寫(xiě),?scp是linux系統(tǒng)下基于ssh登陸進(jìn)行安全的遠(yuǎn)程文件拷貝命令。linux的scp命令可以在linux服務(wù)器之間復(fù)制文件和目錄。

3.命令參數(shù):

-1??強(qiáng)制scp命令使用協(xié)議ssh1

-2??強(qiáng)制scp命令使用協(xié)議ssh2

-4??強(qiáng)制scp命令只使用IPv4尋址

-6??強(qiáng)制scp命令只使用IPv6尋址

-B??使用批處理模式(傳輸過(guò)程中不詢(xún)問(wèn)傳輸口令或短語(yǔ))

-C??允許壓縮。(將-C標(biāo)志傳遞給ssh,從而打開(kāi)壓縮功能)

-p?保留原文件的修改時(shí)間,訪問(wèn)時(shí)間和訪問(wèn)權(quán)限。

-q??不顯示傳輸進(jìn)度條。

-r??遞歸復(fù)制整個(gè)目錄。

-v?詳細(xì)方式顯示輸出。scp和ssh(1)會(huì)顯示出整個(gè)過(guò)程的調(diào)試信息。這些信息用于調(diào)試連接,驗(yàn)證和配置問(wèn)題。

-c?cipher??以cipher將數(shù)據(jù)傳輸進(jìn)行加密,這個(gè)選項(xiàng)將直接傳遞給ssh。

-F?ssh_config??指定一個(gè)替代的ssh配置文件,此參數(shù)直接傳遞給ssh。

-i?identity_file??從指定文件中讀取傳輸時(shí)使用的密鑰文件,此參數(shù)直接傳遞給ssh。

-l?limit??限定用戶(hù)所能使用的帶寬,以Kbit/s為單位。

-o?ssh_option??如果習(xí)慣于使用ssh_config(5)中的參數(shù)傳遞方式,

-P?port??注意是大寫(xiě)的P,?port是指定數(shù)據(jù)傳輸用到的端口號(hào)

-S?program??指定加密傳輸時(shí)所使用的程序。此程序必須能夠理解ssh(1)的選項(xiàng)。

4.使用實(shí)例:

scp命令的實(shí)際應(yīng)用概述:

從本地服務(wù)器復(fù)制到遠(yuǎn)程服務(wù)器:

(1)?復(fù)制文件:

命令格式:

scp?local_file?remote_username@remote_ip:remote_folder

或者

scp?local_file?remote_username@remote_ip:remote_file

或者

scp?local_file?remote_ip:remote_folder

或者

scp?local_file?remote_ip:remote_file

第1,2個(gè)指定了用戶(hù)名,命令執(zhí)行后需要輸入用戶(hù)密碼,第1個(gè)僅指定了遠(yuǎn)程的目錄,文件名字不變,第2個(gè)指定了文件名

第3,4個(gè)沒(méi)有指定用戶(hù)名,命令執(zhí)行后需要輸入用戶(hù)名和密碼,第3個(gè)僅指定了遠(yuǎn)程的目錄,文件名字不變,第4個(gè)指定了文件名

(2)?復(fù)制目錄:

命令格式:

scp?-r?local_folder?remote_username@remote_ip:remote_folder

或者

scp?-r?local_folder?remote_ip:remote_folder

第1個(gè)指定了用戶(hù)名,命令執(zhí)行后需要輸入用戶(hù)密碼;

第2個(gè)沒(méi)有指定用戶(hù)名,命令執(zhí)行后需要輸入用戶(hù)名和密碼;

從遠(yuǎn)程服務(wù)器復(fù)制到本地服務(wù)器:

從遠(yuǎn)程復(fù)制到本地的scp命令與上面的命令雷同,只要將從本地復(fù)制到遠(yuǎn)程的命令后面2個(gè)參數(shù)互換順序就行了。

實(shí)例1:從遠(yuǎn)處復(fù)制文件到本地目錄

命令:

scp?root@192.168.120.204:/opt/soft/nginx-0.5.38.tar.gz?/opt/soft/

輸出:

[root@localhost?~]#cd?/opt/soft/[root@localhost?soft]#ll總計(jì)?80072

drwxr-xr-x?12?root?root?????4096?09-21?18:40?fms3.5

drwxr-xr-x??3?root?root?????4096?09-21?17:58?fms4.5

drwxr-xr-x?10?root?root?????4096?10-30?17:15?jdk1.6.0_16

drwxr-xr-x?10?root?root?????4096?09-17?19:27?jdk1.6.0_16.bak

-rwxr-xr-x??1?root?root?81871260?2009-12-21?jdk-6u16-linux-x64.bin

drwxrwxrwx??2?root?root?????4096?09-21?01:16?mysql

drwxr-xr-x??3?root?root?????4096?09-21?18:40?setup_file

drwxr-xr-x??9?root?root?????4096?09-17?19:23?tomcat6.0.32

drwxr-xr-x??9?root?root?????4096?2012-08-14?tomcat_7.0

[root@localhost?soft]#scp?root@192.168.120.204:/opt/soft/nginx-0.5.38.tar.gz?/opt/soft/root@192.168.120.204's?password:

nginx-0.5.38.tar.gz???????????????????????????????????????????????????????????????????????????????100%??479KB?478.7KB/s???00:00

[root@localhost?soft]#ll總計(jì)?80556

drwxr-xr-x?12?root?root?????4096?09-21?18:40?fms3.5

drwxr-xr-x??3?root?root?????4096?09-21?17:58?fms4.5

drwxr-xr-x?10?root?root?????4096?10-30?17:15?jdk1.6.0_16

drwxr-xr-x?10?root?root?????4096?09-17?19:27?jdk1.6.0_16.bak

-rwxr-xr-x??1?root?root?81871260?2009-12-21?jdk-6u16-linux-x64.bin

drwxrwxrwx??2?root?root?????4096?09-21?01:16?mysql

-rw-r--r--??1?root?root???490220?03-15?09:11?nginx-0.5.38.tar.gz

drwxr-xr-x??3?root?root?????4096?09-21?18:40?setup_file

drwxr-xr-x??9?root?root?????4096?09-17?19:23?tomcat6.0.32

drwxr-xr-x??9?root?root?????4096?2012-08-14?tomcat_7.0

[root@localhost?soft]#

說(shuō)明:

從192.168.120.204機(jī)器上的/opt/soft/的目錄中下載nginx-0.5.38.tar.gz文件到本地/opt/soft/目錄中

實(shí)例2:從遠(yuǎn)處復(fù)制到本地

命令:

scp?-r?root@192.168.120.204:/opt/soft/mongodb?/opt/soft/

輸出:

[root@localhost?soft]#ll總計(jì)?80556

drwxr-xr-x?12?root?root?????4096?09-21?18:40?fms3.5

drwxr-xr-x??3?root?root?????4096?09-21?17:58?fms4.5

drwxr-xr-x?10?root?root?????4096?10-30?17:15?jdk1.6.0_16

drwxr-xr-x?10?root?root?????4096?09-17?19:27?jdk1.6.0_16.bak

-rwxr-xr-x??1?root?root?81871260?2009-12-21?jdk-6u16-linux-x64.bin

drwxrwxrwx??2?root?root?????4096?09-21?01:16?mysql

-rw-r--r--??1?root?root???490220?03-15?09:11?nginx-0.5.38.tar.gz

drwxr-xr-x??3?root?root?????4096?09-21?18:40?setup_file

drwxr-xr-x??9?root?root?????4096?09-17?19:23?tomcat6.0.32

drwxr-xr-x??9?root?root?????4096?2012-08-14?tomcat_7.0

[root@localhost?soft]#scp?-r?root@192.168.120.204:/opt/soft/mongodb?/opt/soft/root@192.168.120.204's?password:

mongodb-linux-i686-static-1.8.5.tgz???????????????????????????????????????????????????????????????100%???28MB??28.3MB/s???00:01

README????????????????????????????????????????????????????????????????????????????????????????????100%??731?????0.7KB/s???00:00

THIRD-PARTY-NOTICES???????????????????????????????????????????????????????????????????????????????100%?7866?????7.7KB/s???00:00

mongorestore??????????????????????????????????????????????????????????????????????????????????????100%?7753KB???7.6MB/s???00:00

mongod????????????????????????????????????????????????????????????????????????????????????????????100%?7760KB???7.6MB/s???00:01

mongoexport???????????????????????????????????????????????????????????????????????????????????????100%?7744KB???7.6MB/s???00:00

bsondump??????????????????????????????????????????????????????????????????????????????????????????100%?7737KB???7.6MB/s???00:00

mongofiles????????????????????????????????????????????????????????????????????????????????????????100%?7748KB???7.6MB/s???00:01

mongostat?????????????????????????????????????????????????????????????????????????????????????????100%?7808KB???7.6MB/s???00:00

mongos????????????????????????????????????????????????????????????????????????????????????????????100%?5262KB???5.1MB/s???00:01

mongo?????????????????????????????????????????????????????????????????????????????????????????????100%?3707KB???3.6MB/s???00:00

mongoimport???????????????????????????????????????????????????????????????????????????????????????100%?7754KB???7.6MB/s???00:00

mongodump?????????????????????????????????????????????????????????????????????????????????????????100%?7773KB???7.6MB/s???00:00

GNU-AGPL-3.0??????????????????????????????????????????????????????????????????????????????????????100%???34KB??33.7KB/s???00:00

[root@localhost?soft]#ll總計(jì)?80560

drwxr-xr-x?12?root?root?????4096?09-21?18:40?fms3.5

drwxr-xr-x??3?root?root?????4096?09-21?17:58?fms4.5

drwxr-xr-x?10?root?root?????4096?10-30?17:15?jdk1.6.0_16

drwxr-xr-x?10?root?root?????4096?09-17?19:27?jdk1.6.0_16.bak

-rwxr-xr-x??1?root?root?81871260?2009-12-21?jdk-6u16-linux-x64.bin

drwxr-xr-x??3?root?root?????4096?03-15?09:18?mongodb

drwxrwxrwx??2?root?root?????4096?09-21?01:16?mysql

-rw-r--r--??1?root?root???490220?03-15?09:11?nginx-0.5.38.tar.gz

drwxr-xr-x??3?root?root?????4096?09-21?18:40?setup_file

drwxr-xr-x??9?root?root?????4096?09-17?19:23?tomcat6.0.32

drwxr-xr-x??9?root?root?????4096?2012-08-14?tomcat_7.0

[root@localhost?soft]#

說(shuō)明:

從192.168.120.204機(jī)器上的/opt/soft/中下載mongodb目錄到本地的/opt/soft/目錄來(lái)。

實(shí)例3:上傳本地文件到遠(yuǎn)程機(jī)器指定目錄

命令:

scp?/opt/soft/nginx-0.5.38.tar.gz?root@192.168.120.204:/opt/soft/scptest

輸出:

上傳前目標(biāo)機(jī)器的目標(biāo)目錄:

[root@localhost?soft]#cd?scptest/[root@localhost?scptest]#ll總計(jì)?0

[root@localhost?scptest]#ll

本地機(jī)器上傳:

[root@localhost?soft]#scp?/opt/soft/nginx-0.5.38.tar.gz?root@192.168.120.204:/opt/soft/scptestroot@192.168.120.204's?password:

nginx-0.5.38.tar.gz???????????????????????????????????????????????????????????????????????????????100%??479KB?478.7KB/s???00:00

[root@localhost?soft]#

上傳后目標(biāo)機(jī)器的目標(biāo)目錄:

[root@localhost?scptest]#ll總計(jì)?484

-rw-r--r--?1?root?root?490220?03-15?09:25?nginx-0.5.38.tar.gz

[root@localhost?scptest]#

說(shuō)明:

復(fù)制本地opt/soft/目錄下的文件nginx-0.5.38.tar.gz到遠(yuǎn)程機(jī)器192.168.120.204的opt/soft/scptest目錄

實(shí)例4:上傳本地目錄到遠(yuǎn)程機(jī)器指定目錄

命令:

scp?-r?/opt/soft/mongodb?root@192.168.120.204:/opt/soft/scptest

輸出:

上傳前目標(biāo)機(jī)器的目標(biāo)目錄:

[root@localhost?~]#cd?/opt/soft/scptest/[root@localhost?scptest]#ll總計(jì)?484

-rw-r--r--?1?root?root?490220?03-15?09:25?nginx-0.5.38.tar.gz

[root@localhost?scptest]#本地機(jī)器上傳:

[root@localhost?~]#scp?-r?/opt/soft/mongodb?root@192.168.120.204:/opt/soft/scptestroot@192.168.120.204's?password:

mongodb-linux-i686-static-1.8.5.tgz???????????????????????????????????????????????????????????????100%???28MB??28.3MB/s???00:01

README????????????????????????????????????????????????????????????????????????????????????????????100%??731?????0.7KB/s???00:00

THIRD-PARTY-NOTICES???????????????????????????????????????????????????????????????????????????????100%?7866?????7.7KB/s???00:00

mongorestore??????????????????????????????????????????????????????????????????????????????????????100%?7753KB???7.6MB/s???00:00

mongod????????????????????????????????????????????????????????????????????????????????????????????100%?7760KB???7.6MB/s???00:01

mongoexport???????????????????????????????????????????????????????????????????????????????????????100%?7744KB???7.6MB/s???00:00

bsondump??????????????????????????????????????????????????????????????????????????????????????????100%?7737KB???7.6MB/s???00:00

mongofiles????????????????????????????????????????????????????????????????????????????????????????100%?7748KB???7.6MB/s???00:00

mongostat?????????????????????????????????????????????????????????????????????????????????????????100%?7808KB???7.6MB/s???00:01

mongos????????????????????????????????????????????????????????????????????????????????????????????100%?5262KB???5.1MB/s???00:00

mongo?????????????????????????????????????????????????????????????????????????????????????????????100%?3707KB???3.6MB/s???00:00

mongoimport???????????????????????????????????????????????????????????????????????????????????????100%?7754KB???7.6MB/s???00:01

mongodump?????????????????????????????????????????????????????????????????????????????????????????100%?7773KB???7.6MB/s???00:00

GNU-AGPL-3.0??????????????????????????????????????????????????????????????????????????????????????100%???34KB??33.7KB/s???00:00

[root@localhost?~]#

上傳后目標(biāo)機(jī)器的目標(biāo)目錄:

[root@localhost?scptest]#ll總計(jì)?488

drwxr-xr-x?3?root?root???4096?03-15?09:33?mongodb

-rw-r--r--?1?root?root?490220?03-15?09:25?nginx-0.5.38.tar.gz

[root@localhost?scptest]#

說(shuō)明:

上傳本地目錄/opt/soft/mongodb到遠(yuǎn)程機(jī)器192.168.120.204上/opt/soft/scptest的目錄中去

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