配置Linux两节点SSH密钥信任
2011-06-15 17:48
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首先感谢兄弟“瑞瑞”提供资料
1. 生成两节点Oracle用户SSH密钥
Racnode1[root@racnode1 ~]#su - oracle--------------------->【无.ssh目录】 [oracle@racnode1 ~]$ll -a total 32K drwxr-xr-x 3 oracle oinstall 4.0K Jun 13 15:08 .kde -rw-r--r-- 1 oracle oinstall 120 Jun 13 15:08 .gtkrc -rw-r--r-- 1 oracle oinstall 124 Jun 13 15:08 .bashrc -rw-r--r-- 1 oracle oinstall 191 Jun 13 15:08 .bash_profile -rw-r--r-- 1 oracle oinstall 24 Jun 13 15:08 .bash_logout drwxr-xr-x 3 root root 4.0K Jun 13 15:08 .. drwx------ 3 oracle oinstall 4.0K Jun 13 15:08 . [oracle@racnode1 ~]$ssh-keygen -t rsa--------------------->【一路回车】 Generating public/private rsa key pair. Enter file in which to save the key (/home/oracle/.ssh/id_rsa): Created directory '/home/oracle/.ssh'. Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in /home/oracle/.ssh/id_rsa. Your public key has been saved in /home/oracle/.ssh/id_rsa.pub. The key fingerprint is: 8a:11:ad:48:03:3b:94:b4:bb:a9:fb:b4:df:e1:18:87 oracle@racnode1 [oracle@racnode1 ~]$ssh-keygen -t dsa--------------------->【一路回车】 Generating public/private dsa key pair. Enter file in which to save the key (/home/oracle/.ssh/id_dsa): Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in /home/oracle/.ssh/id_dsa. Your public key has been saved in /home/oracle/.ssh/id_dsa.pub. The key fingerprint is: 7d:9e:de:16:85:71:36:09:d3:9e:03:d2:1e:fd:d6:1a oracle@racnode1 [oracle@racnode1 ~]$cat .ssh/*.pub > .ssh/authorized_keys [oracle@racnode1 ~]$ll -a--------------------->【生成.ssh目录,密码钥也已生成】 total 20K -rw-r--r-- 1 oracle oinstall 225 Jun 13 15:30 id_rsa.pub -rw------- 1 oracle oinstall 883 Jun 13 15:30 id_rsa -rw-r--r-- 1 oracle oinstall 605 Jun 13 15:30 id_dsa.pub -rw------- 1 oracle oinstall 668 Jun 13 15:30 id_dsa -rw-r--r-- 1 oracle oinstall 830 Jun 13 15:35 authorized_keys
Racnode2
[root@racnode2 ~]#su - oracle--------------------->【无.ssh目录】 [oracle@racnode1 ~]$ll -a total 32K drwxr-xr-x 3 oracle oinstall 4.0K Jun 13 15:08 .kde -rw-r--r-- 1 oracle oinstall 120 Jun 13 15:08 .gtkrc -rw-r--r-- 1 oracle oinstall 124 Jun 13 15:08 .bashrc -rw-r--r-- 1 oracle oinstall 191 Jun 13 15:08 .bash_profile -rw-r--r-- 1 oracle oinstall 24 Jun 13 15:08 .bash_logout drwxr-xr-x 3 root root 4.0K Jun 13 15:08 .. drwx------ 3 oracle oinstall 4.0K Jun 13 15:08 . [oracle@racnode2 ~]$ssh-keygen -t rsa--------------------->【一路回车】 Generating public/private rsa key pair. Enter file in which to save the key (/home/oracle/.ssh/id_rsa): Created directory '/home/oracle/.ssh'. Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in /home/oracle/.ssh/id_rsa. Your public key has been saved in /home/oracle/.ssh/id_rsa.pub. The key fingerprint is: 8a:11:ad:48:03:3b:94:b4:bb:a9:fb:b4:df:e1:18:87 oracle@racnode1 [oracle@racnode2 ~]$ssh-keygen -t dsa--------------------->【一路回车】 Generating public/private dsa key pair. Enter file in which to save the key (/home/oracle/.ssh/id_dsa): Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in /home/oracle/.ssh/id_dsa. Your public key has been saved in /home/oracle/.ssh/id_dsa.pub. The key fingerprint is: 7d:9e:de:16:85:71:36:09:d3:9e:03:d2:1e:fd:d6:1a oracle@racnode1 [oracle@racnode2 ~]$cat .ssh/*.pub > .ssh/authorized_keys [oracle@racnode2 ~]$ll .ssh/--------------------->【生成.ssh目录,密码钥也已生成】 total 20K -rw-r--r-- 1 oracle oinstall 225 Jun 13 15:34 id_rsa.pub -rw------- 1 oracle oinstall 883 Jun 13 15:34 id_rsa -rw-r--r-- 1 oracle oinstall 605 Jun 13 15:34 id_dsa.pub -rw------- 1 oracle oinstall 672 Jun 13 15:34 id_dsa -rw-r--r-- 1 oracle oinstall 830 Jun 13 15:36 authorized_keys
2. 配置两节点Oracle用户SSH无密码登陆的信任关系
Racnode1[oracle@racnode1 ~]$scp .ssh/authorized_keys oracle@10.10.10.102:/home/oracle/.ssh/keys_dbs The authenticity of host '10.10.10.102 (10.10.10.102)' can't be established. RSA key fingerprint is 3c:84:f4:d9:d8:88:2d:9c:99:47:6a:21:1c:93:95:8d. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added '10.10.10.102' (RSA) to the list of known hosts. oracle@10.10.10.102's password:RacNode2节点Oracle用户的密码 authorized_keys 100% 830 0.8KB/s 00:00
Racnode2
[oracle@racnode2 ~]$cat .ssh/keys_dbs >> .ssh/authorized_keys [oracle@racnode2 ~]$scp .ssh/authorized_keys oracle@10.10.10.101:/home/oracle/.ssh/ The authenticity of host '10.10.10.101 (10.10.10.101)' can't be established. RSA key fingerprint is 3c:84:f4:d9:d8:88:2d:9c:99:47:6a:21:1c:93:95:8d. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added '10.10.10.101' (RSA) to the list of known hosts. oracle@10.10.10.101's password: RacNode1节点Oracle用户的密码 authorized_keys 100% 830 0.8KB/s 00:00
3. 配置两节点Oracle用户信任关系的测试
Racnode1[oracle@racnode1 ~]$ssh racnode1 The authenticity of host 'racnode1 (10.10.10.101)' can't be established. RSA key fingerprint is 3c:84:f4:d9:d8:88:2d:9c:99:47:6a:21:1c:93:95:8d. Are you sure you want to continue connecting (yes/no)? yes Last login: Mon Jun 13 15:44:03 2011 from racnode1 [oracle@racnode1 ~]$exit logout Connection to racnode1 closed. [oracle@racnode1 ~]$ssh racnode2 The authenticity of host 'racnode2 (10.10.10.102)' can't be established. RSA key fingerprint is 3c:84:f4:d9:d8:88:2d:9c:99:47:6a:21:1c:93:95:8d. Are you sure you want to continue connecting (yes/no)? yes Last login: Mon Jun 13 15:44:03 2011 from racnode1 [oracle@racnode2 ~]$exit logout Connection to racnode1 closed. [oracle@racnode1 ~/.ssh]$ssh racnode1-priv The authenticity of host 'racnode1-priv (192.168.0.101)' can't be established. RSA key fingerprint is 3c:84:f4:d9:d8:88:2d:9c:99:47:6a:21:1c:93:95:8d. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added 'racnode1-priv,192.168.0.101' (RSA) to the list of known hosts. Last login: Mon Jun 13 15:46:07 2011 from racnode1 [oracle@racnode1 ~]$exit logout Connection to racnode1-priv closed. [oracle@racnode1 ~/.ssh]$ssh racnode2-priv The authenticity of host 'racnode2-priv (192.168.0.102)' can't be established. RSA key fingerprint is 3c:84:f4:d9:d8:88:2d:9c:99:47:6a:21:1c:93:95:8d. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added 'racnode2-priv,192.168.0.102' (RSA) to the list of known hosts. Last login: Mon Jun 13 15:46:59 2011 from racnode1 [oracle@racnode2 ~]$exit logout Connection to racnode2-priv closed.
Racnode2
[oracle@racnode2 ~]$ssh racnode1 The authenticity of host 'racnode1 (10.10.10.101)' can't be established. RSA key fingerprint is 3c:84:f4:d9:d8:88:2d:9c:99:47:6a:21:1c:93:95:8d. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added 'racnode1' (RSA) to the list of known hosts. Last login: Mon Jun 13 15:49:14 2011 from racnode1-priv [oracle@racnode1 ~]$exit logout Connection to racnode1 closed. [oracle@racnode2 ~]$ssh racnode2 The authenticity of host 'racnode2 (10.10.10.102)' can't be established. RSA key fingerprint is 3c:84:f4:d9:d8:88:2d:9c:99:47:6a:21:1c:93:95:8d. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added 'racnode2,10.10.10.102' (RSA) to the list of known hosts. Last login: Mon Jun 13 15:49:28 2011 from racnode1-priv [oracle@racnode2 ~]$exit logout Connection to racnode2 closed. [oracle@racnode2 ~]$ssh racnode1-priv The authenticity of host 'racnode1-priv (192.168.0.101)' can't be established. RSA key fingerprint is 3c:84:f4:d9:d8:88:2d:9c:99:47:6a:21:1c:93:95:8d. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added 'racnode1-priv,192.168.0.101' (RSA) to the list of known hosts. Last login: Mon Jun 13 15:49:56 2011 from racnode2 [oracle@racnode1 ~]$exit logout Connection to racnode1-priv closed. [oracle@racnode2 ~]$ssh racnode2-priv The authenticity of host 'racnode2-priv (192.168.0.102)' can't be established. RSA key fingerprint is 3c:84:f4:d9:d8:88:2d:9c:99:47:6a:21:1c:93:95:8d. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added 'racnode2-priv,192.168.0.102' (RSA) to the list of known hosts. Last login: Mon Jun 13 15:50:16 2011 from racnode2 [oracle@racnode2 ~]$exit logout Connection to racnode2-priv closed.
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