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[Discuss] rsync password -- revisit
- Subject: [Discuss] rsync password -- revisit
- From: jdm at moylan.us (dan moylan)
- Date: Mon, 31 Dec 2018 10:41:43 -0500
On Fri, Sep 14, 2012 at 09:55:04, Dan Ritter wrote: > On Fri, Sep 14, 2012 at 08:40:44AM -0400, dan moylan wrote: >> i have a script to rsync a number of directories between two >> computers on my local net and would like to avoid having to >> enter my password for each one. i thought i could do this >> using hosts.equiv, but it's not working for me. i solved >> this once before a number of years ago, but i'm undoubtedly >> forgetting something now. any help would be appreciated. > Create an ssh key: > ssh-keygen -t rsa -b 2048 > Change the filename to "rsync.key" > Don't put in a passphrase. > man sshd. Read the section on Authorized_Keys file format. > Add restrictions to rsync.key.pub: no-agent-forwarding, > no-port-forwarding, no-pty, no-X11-forwarding, perhaps a from > restriction. Make it tight. command = rsync? > Copy rsync.key.pub with the restrictions to your remote machine, > and cat it to the end of ~/.ssh/authorized_keys > When you run rsync, pass it "-e ssh -i /home/jdm/.ssh/rsync.key" > You should have a fairly safe passwordless rsync. after a couple of wrong turns, that worked fine, and for a long time, but i have lost track of when i used it last. now, i have gone through all the steps again and can't get it to work. authorized_keys on the remote machine (aldeberon): # authorized_keys # rsync.key.pub # no-agent-forwarding no-port-forwarding no-pty no-X11-forwarding command = rsync # ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDzTeJ/nRpWTnjbsEWypLt1/rbdpU5ABAkPqUzX6ug0pCnvKpRKga63RlIi03rGQb0d1dkosKtVnhodageA6PRGuAQ3zdJDDdw1OScH8sZsdtGd44/fsBVCQlYlJP2i8RCc20dBnxiujvjv4iuvk5CPzZPCbjfxyFvEBES5nMsZY/mLilqX4xlDx9PJlkUJ28Gm0vaIEZ9BzGCDll7C4Quph4WXKgvVZdMrAfuAceE8DPcFacIvjOBDOGWxdqaaQgsYIXHSdgE72duDcNnAnDAV59nhtDEaYTAN5kba/uWqHujJ8p7Qff1vaYbkEUrUEhl/8GBptVI2i3tCsb0Q9aOF moylan at arcturas rsync.key on the local machine (arcturas): ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDzTeJ/nRpWTnjbsEWypLt1/rbdpU5ABAkPqUzX6ug0pCnvKpRKga63RlIi03rGQb0d1dkosKtVnhodageA6PRGuAQ3zdJDDdw1OScH8sZsdtGd44/fsBVCQlYlJP2i8RCc20dBnxiujvjv4iuvk5CPzZPCbjfxyFvEBES5nMsZY/mLilqX4xlDx9PJlkUJ28Gm0vaIEZ9BzGCDll7C4Quph4WXKgvVZdMrAfuAceE8DPcFacIvjOBDOGWxdqaaQgsYIXHSdgE72duDcNnAnDAV59nhtDEaYTAN5kba/uWqHujJ8p7Qff1vaYbkEUrUEhl/8GBptVI2i3tCsb0Q9aOF moylan at arcturas permissions on both are 600. the command (from arcturas): rsync -avz -e "ssh -p22 -i /home/moylan/.ssh/rsync.key" /home/moylan/rsy aldeberon: the result: moylan at aldeberon's password: i must have missed something -- any suggestions? tia, ole dan j. daniel moylan 84 harvard ave brookline, ma 02446-6202 617-777-0207 (cel) jdm at moylan.us www.moylan.us [no html pls]
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