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Linux scp命令使用实例汇总

更新时间:2026-08-23 15:17:51 | 编辑:争议 | 信息来源:互联网

  Linux下要实现两台服务器之间的文件传送,使用scp命令就可以了,在Linux系统中,scp命令的用法简单而又实用,系统之家就给大家介绍下如何使用scp命令进行Linux服务器之间的文件传送。

  scp是secure copy的简写,用于在Linux下进行远程拷贝文件的命令,和它类似的命令有cp,不过cp只是在本机进行拷贝不能跨服务器,而且scp传输是加密的。可能会稍微影响一下速度。当你服务器硬盘变为只读 read only system时,用scp可以帮你把文件移出来。另外,scp还非常不占资源,不会提高多少系统负荷,在这一点上,rsync就远远不及它了。虽然 rsync比scp会快一点,但当小文件众多的情况下,rsync会导致硬盘I/O非常高,而scp基本不影响系统正常使用。

  1.命令格式:

  scp [参数] [原路径] [目标路径]

  2.命令功能:

  scp是 secure copy的缩写, scp是linux系统下基于ssh登陆进行安全的远程文件拷贝命令。linux的scp命令可以在linux服务器之间复制文件和目录。

  3.命令参数:

  -1 强制scp命令使用协议ssh1

  -2 强制scp命令使用协议ssh2

  -4 强制scp命令只使用IPv4寻址

  -6 强制scp命令只使用IPv6寻址

  -B 使用批处理模式(传输过程中不询问传输口令或短语)

  -C 允许压缩。(将-C标志传递给ssh,从而打开压缩功能)

  -p 保留原文件的修改时间,访问时间和访问权限。

  -q 不显示传输进度条。

  -r 递归复制整个目录。

  -v 详细方式显示输出。scp和ssh(1)会显示出整个过程的调试信息。这些信息用于调试连接,验证和配置问题。

  -c cipher 以cipher将数据传输进行加密,这个选项将直接传递给ssh。

  -F ssh_config 指定一个替代的ssh配置文件,此参数直接传递给ssh。

  -i identity_file 从指定文件中读取传输时使用的密钥文件,此参数直接传递给ssh。

  -l limit 限定用户所能使用的带宽,以Kbit/s为单位。

  -o ssh_option 如果习惯于使用ssh_config(5)中的参数传递方式,

  -P port 注意是大写的P, port是指定数据传输用到的端口号

  -S program 指定加密传输时所使用的程序。此程序必须能够理解ssh(1)的选项。


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