On 06/30/2017 06:14 PM, William Oliver wrote:
> On Sat, 2017-07-01 at 10:23 +1000, Cameron Simpson wrote:
>> [snip]
>>
>> If you cannot set up a key on the foreign machine ahead of time, yes
>> stick your
>> "travelling" key on a USB stick and use it. That way you can revoke
>> it if
>> somehow it gets comprimised.
>>
>> Cheers,
>> Cameron Simpson <c...@zip.com.au>
>>
>
> You know, I don't like to sound stupid, but I've tried to set this up,
> and I've never gotten it to work reliably. Inevitably I get frustrated
> and go back to password based ssh. Is there an Idiot's Guide to
> setting this up somewhere?
Uh, mount the USB stick somewhere and use something like:
ssh -i /path/to/usb/stick/name-of-your-identity-file user@host
e.g.
mkdir ~/usbstick
mount /dev/sdb1 ~/usbstick
ssh -i ~/usbstick/my_id_rsa_file r...@somehost.tld
I believe the identity file must still have the right permissions (0600
or "rw-------" and that it's the identity file, NOT the public identity
key file.
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