Re: Sed or awk: remove a line from a file

[Elimar Riesebieter <riesebie@lxtec.de>]

* John A. Sullivan III [100528 09:19 -0400]
> On Fri, 2010-05-28 at 14:45 +0200, François TOURDE wrote:
[...]
> > 
> > Don't use sed nor awk...
> > 
> > man ssh-keygen say:
> > 
> >      -R hostname
> >              Removes all keys belonging to hostname from a known_hosts file.  This option is useful to delete hashed
> >              hosts (see the -H option above).
> > 
> > 
> Yes, exactly.  We use that all the time for similar reasons.  One caveat
> - if you use a non-standard port (which we regularly do for security
> with such a dangerous application), the host must be specified as
> [hostname]:port, e.g., ssh-keygen -R [comp1.mycompany.com]:222

How to remove _all_ ip's from hosts with a dynamic IP such as dyndns
hosts?

Elimar

-- 
  >what IMHO then?
  IMHO - Inhalation of a Multi-leafed Herbal Opiate ;)
              --posting from alex in debian-user--