Musings of an anonymous geek

September 17, 2007

Two ssh-isms I forgot today

Filed under: Sysadmin,Technology — m0j0 @ 1:27 pm

1. To remove an offending known_hosts key without opening the file or using sed or whatever, you can just run ssh-keygen -R <hostname>, which will remove any and all keys for the given hostname (see man ssh-keygen for other options like this).

2. To copy files from a local directory with spaces in its name to a remote one with spaces also in *its* name, escape the space in the destination directory *twice*. I was moving VMware virtual machines from one server to another today and it bit me. Here’s the right way to do it:

scp -P 2222 *.vmdk “localhost:/var/lib/vmware/Virtual\\ Machines/ks/.”

Note that I’m also working in an environment where everything I do requires various ssh tunnels and other workarounds, which necessitates the -P argument, and explains why it looks like I’m ssh’ing to localhost 😉

(Thanks to deryni for reminding me about ssh-keygen – I was looking for an ssh flag for this)


1 Comment »

  1. […] Two useful SSH-isms […]

    Pingback by Thoughts on System Administration » Blog Archive » Useful SSH-isms — February 23, 2008 @ 5:53 pm | Reply

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