Le lundi 21 décembre 2009 23:06:37, Les Mikesell a écrit : > Claude Gélinas wrote: > > I'm trying to setup the backup of the localhost with backuppc. I already > > backup several other linux machine via ssh. I've setuped all them via > > running the following command as backuppc user: > > > > ssh-keygen -t dsa > > cd .ssh > > ssh-copy-id -i id_dsa.pub r...@oligoextra.phyto.qc.ca > > ssh -l root oligoextra > > > > oligoextra is the localhost. On all other machine I can then login via > > ssh without password asked except for the localhost where it keep asking > > the root password. > > > > I've no idea on why and how to get ssh connection without password. > > > > all machines are fedora core of various version from 9 to 12. localhost > > is FC11 > > > > What is missing for the local host > > Try adding -v or -vv to your 'ssh -l root oligoextra' test. It may tell > you why it isn't accepting the key. > I've deleted the public key in known_hosts and did:
ssh -l root -vv oligoextra which gave the following output and still ask for password. ash-4.0$ ssh -l root -vv oligoextra OpenSSH_5.2p1, OpenSSL 0.9.8k-fips 25 Mar 2009 debug1: Reading configuration data /etc/ssh/ssh_config debug1: Applying options for * debug2: ssh_connect: needpriv 0 debug1: Connecting to oligoextra [127.0.0.1] port 22. debug1: Connection established. debug1: identity file /var/lib/BackupPC/.ssh/identity type -1 debug1: identity file /var/lib/BackupPC/.ssh/id_rsa type -1 debug2: key_type_from_name: unknown key type '-----BEGIN' debug2: key_type_from_name: unknown key type '-----END' debug1: identity file /var/lib/BackupPC/.ssh/id_dsa type 2 debug1: Remote protocol version 2.0, remote software version OpenSSH_5.2 debug1: match: OpenSSH_5.2 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.2 debug2: fd 3 setting O_NONBLOCK debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug2: kex_parse_kexinit: diffie-hellman-group-exchange-sha256,diffie-hellman- group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 debug2: kex_parse_kexinit: ssh-rsa,ssh-dss debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256- ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192- cbc,aes256-cbc,arcfour,rijndael-...@lysator.liu.se debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256- ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192- cbc,aes256-cbc,arcfour,rijndael-...@lysator.liu.se debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac...@openssh.com,hmac- ripemd160,hmac-ripemd...@openssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac...@openssh.com,hmac- ripemd160,hmac-ripemd...@openssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: none,z...@openssh.com,zlib debug2: kex_parse_kexinit: none,z...@openssh.com,zlib debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: first_kex_follows 0 debug2: kex_parse_kexinit: reserved 0 debug2: kex_parse_kexinit: diffie-hellman-group-exchange-sha256,diffie-hellman- group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 debug2: kex_parse_kexinit: ssh-rsa,ssh-dss debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256- ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192- cbc,aes256-cbc,arcfour,rijndael-...@lysator.liu.se debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256- ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192- cbc,aes256-cbc,arcfour,rijndael-...@lysator.liu.se debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac...@openssh.com,hmac- ripemd160,hmac-ripemd...@openssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac...@openssh.com,hmac- ripemd160,hmac-ripemd...@openssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: none,z...@openssh.com debug2: kex_parse_kexinit: none,z...@openssh.com debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: debug2: kex_parse_kexinit: first_kex_follows 0 debug2: kex_parse_kexinit: reserved 0 debug2: mac_setup: found hmac-md5 debug1: kex: server->client aes128-ctr hmac-md5 none debug2: mac_setup: found hmac-md5 debug1: kex: client->server aes128-ctr hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP debug2: dh_gen_key: priv key bits set: 120/256 debug2: bits set: 507/1024 debug1: SSH2_MSG_KEX_DH_GEX_INIT sent debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY debug2: no key of type 0 for host oligoextra debug2: no key of type 2 for host oligoextra The authenticity of host 'oligoextra (127.0.0.1)' can't be established. RSA key fingerprint is e2:81:1a:2c:3c:e3:58:7e:5c:63:da:94:07:76:a9:92. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added 'oligoextra' (RSA) to the list of known hosts. debug2: bits set: 536/1024 debug1: ssh_rsa_verify: signature correct debug2: kex_derive_keys debug2: set_newkeys: mode 1 debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug2: set_newkeys: mode 0 debug1: SSH2_MSG_NEWKEYS received debug1: SSH2_MSG_SERVICE_REQUEST sent debug2: service_accept: ssh-userauth debug1: SSH2_MSG_SERVICE_ACCEPT received debug2: key: /var/lib/BackupPC/.ssh/identity ((nil)) debug2: key: /var/lib/BackupPC/.ssh/id_rsa ((nil)) debug2: key: /var/lib/BackupPC/.ssh/id_dsa (0x7f9fdf4d9da0) debug1: Authentications that can continue: publickey,gssapi-with-mic,password debug1: Next authentication method: gssapi-with-mic debug1: Unspecified GSS failure. Minor code may provide more information No credentials cache found debug1: Unspecified GSS failure. Minor code may provide more information No credentials cache found debug1: Unspecified GSS failure. Minor code may provide more information debug2: we did not send a packet, disable method debug1: Next authentication method: publickey debug1: Trying private key: /var/lib/BackupPC/.ssh/identity debug1: Trying private key: /var/lib/BackupPC/.ssh/id_rsa debug1: Offering public key: /var/lib/BackupPC/.ssh/id_dsa debug2: we sent a publickey packet, wait for reply debug1: Authentications that can continue: publickey,gssapi-with-mic,password debug2: we did not send a packet, disable method debug1: Next authentication method: password r...@oligoextra's password: -- Claude Gélinas agr. 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