[lug] Tape backup error

[Bob Collins]

Thanks, I will check out rmt.  As I stated, I am not using a tape drive
yet, I am just creating a tar file on a network machine.  My local area
network has a firewall to the outside.

Bob

Jason Strnad wrote:
> 
> The man page indicates that use of the hostname argument causes tar
> (gnu tar anyway) to use 'rmt' to perform the network operations.  As an
> 'r' utility, i'd expect you it would use the same facilities you might
> expect rsh (and similar) to use.  And hopefully those facilities have
> been disabled for security reasons. <grin>
> 
> -jason
> 
> On Dec 28, 2003, at 5:29 PM, Bob Collins wrote:
> 
> > I want to backup across my local area network.  I am testing by
> > backing up to a file instead of tape.
> >
> > I can telnet or ftp to linux.local.  If I try:
> >
> > tar -cvf linux.local:/home/bob/bkup.tar /etc
> >
> > I get:
> >
> > tar: linux.local:/home/bob/bkup.tar: Cannot open: Input/output error
> > tar: Error is not recoverable: exiting now
> >
> > What port does tar use.  I thought it might be the ftp or the telnet
> > port.  I can find only that the default port is used.  Where can I find
> > out about this?  Or am I completely in the dark?
> >
> > As always all help appreciated.
> >
> > Bob
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