How to capture the stderr of rsync and redirect it into a file?

[Heiko Schlittermann]

Hongyi Zhao <hongyi.zhao at gmail.com> (Mi 15 Apr 2015 13:32:23 CEST):
> Hi all,
> 
> See the following commands:
> 
> werner at debian:~$ rsync -c ftp.cn.debian.org::debian/ 2 >aaa
> rsync: The server is configured to refuse --checksum (-c)
> rsync error: requested action not supported (code 4) at clientserver.c
> (849) [sender=3.0.9]
> rsync: read error: Connection reset by peer (104)
> rsync error: error in socket IO (code 10) at io.c(785) [Receiver=3.1.2dev]
> 
> Why rsync cann't let me redirect the stderr of it into a file, say, aaa, 
> for this case?

Because you didn't tell.

    … 2>aaaa

Note the missing space between die file descriptor and the redirection
operator.

    Best regards from Dresden/Germany
    Viele Grüße aus Dresden
    Heiko Schlittermann
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