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On Wednesday 13 Jul 2016 09:48:59 Peter Humphrey wrote: |
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> On Tuesday 12 July 2016 17:48:33 Alan McKinnon wrote: |
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> > On 12/07/2016 17:42, Peter Humphrey wrote: |
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> > > Is there a guide to setting up password-less authentication to enable me |
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> > > to do this? |
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> > |
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> > http://www.funtoo.org/Keychain |
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> |
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> Thanks Alan. I don't think it's the one I read before but it looks useful |
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> anyway. |
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> |
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> > Note that you, portage and root are 3 different users, so you must make |
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> > key pairs for each on each source machine you will ssh from. |
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> > |
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> > Then you need to add each of those user's public keys to each |
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> > destination user's authorized_keys file on each machine you want to ssh |
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> > to. |
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> > |
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> > That can be a lot of key copying :-) 3 x 3 x # of machines |
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> > |
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> > Finally, on each machine you will ssh from and as each user who will do |
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> > the ssh'ing, you must run keychain at least once to store the key creds. |
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> > They should then persist until reboot, when you must run keychain again |
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> > for each user. |
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> |
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> Hmm. I may end up just allowing ssh password authentication and relying on |
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> my vDSL router to keep other people's noses out of my business. The portage |
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> user can't log in anyway, so its scp-ing and rsyncing would have to be done |
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> by root. |
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> |
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> > The idea is that a given user's keychain creds are valid over all that |
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> > user's login sessions on a machine. Users cannot share each other's |
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> > keychain |
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> |
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> You've given me plenty to think about - thanks again. |
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|
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Something else to think about is to only allow the login shell to execute |
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limited command(s), for example to only be able to su to portage and run rsync |
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or some such. |
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-- |
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Regards, |
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Mick |
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