您可以使用 scp 从其他服务器复制文件，然后使用 diff。
scp
diff
或者使用如下命令ssh连接到远程主机并diff：
ssh
ssh user@remote "cat /path/to/remote/file" | diff - /path/to/local/file
You can copy the file over from the other server using scp and then use diff.
Or ssh to the remote host and diff using a single command like this:
我知道这是一个迟到的答案，但我从字面上理解这个问题，没有本地文件和两个远程文件。在 bash 中（不仅如此），可以使用进程替换 [1,2] <(...):
bash
<(...)
diff <(ssh Server1 'cat /path/to/file1') <(ssh Server2 'cat /path/to/file2')
进程<(list)异步运行，其输入或输出显示为文件名。
<(list)
注意
如果两个文件位于同一服务器上，您可以使用更简单的
ssh Server1 'diff /path/to/file1 /path/to/file2'
I know it's a late answer but I take the question literally, no local file and two remote files.In bash (and not only) it's possible to use the process substitution [1,2] <(...):
The process <(list) is run asynchronously, and its input or output appears as a filename.
Note
If both files are on the same server you can use a simpler
如果您比较多个文件，请查找 rsync 和 rdiff，它可以节省您复制所有文件的带宽。
顺便说一句，如果您的文件非常大，请使用该信息更新您的问题。
If your comparing multiple files, then look up rsync and rdiff, which save you the bandwidth of copying all files.
Btw, if your files are very large, then please update your question with that information.
“-”与 STDIN 不同。你可以这样做：
ssh server 'cat file_to_diff' | diff -u localfile -
The "-" diffs against STDIN. You can do something like this:
如果您正在对 AWS 实例进行故障排除，那么停止 inatanceA 然后将其驱动器连接到您想要比较的实例 B 可能是有意义的。
If you're troubleshooting AWS instance then it may make sense to stop inatanceA then attach its drive to instanceB you're want to compare with.
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您可以使用
scp从其他服务器复制文件，然后使用diff。或者使用如下命令
ssh连接到远程主机并diff：You can copy the file over from the other server using
scpand then usediff.Or
sshto the remote host anddiffusing a single command like this:我知道这是一个迟到的答案，但我从字面上理解这个问题，没有本地文件和两个远程文件。
在
bash中（不仅如此），可以使用进程替换 [1,2]<(...):注意
<(...)之一。如果两个文件位于同一服务器上，您可以使用更简单的
I know it's a late answer but I take the question literally, no local file and two remote files.
In
bash(and not only) it's possible to use the process substitution [1,2]<(...):Note
<(...).If both files are on the same server you can use a simpler
如果您比较多个文件，请查找 rsync 和 rdiff，它可以节省您复制所有文件的带宽。
顺便说一句，如果您的文件非常大，请使用该信息更新您的问题。
If your comparing multiple files, then look up rsync and rdiff, which save you the bandwidth of copying all files.
Btw, if your files are very large, then please update your question with that information.
“-”与 STDIN 不同。你可以这样做：
The "-" diffs against STDIN. You can do something like this:
如果您正在对 AWS 实例进行故障排除，那么停止 inatanceA 然后将其驱动器连接到您想要比较的实例 B 可能是有意义的。
If you're troubleshooting AWS instance then it may make sense to stop inatanceA then attach its drive to instanceB you're want to compare with.