1.系统缺少依赖包

解决方法:

2.安装界面是乱码

解决方法:

测试:

3.ssh服务没有相互信任出现的问题

解决方法:

RAC1中的SSH服务互相信任

[root@rac1 ~]# ssh-keygen -t rsa      --在rac1中生成密钥Generating public/private rsa key pair.Enter file in which to save the key (/root/.ssh/id_rsa):Enter passphrase (empty for no passphrase):Enter same passphrase again:Your identification has been saved in /root/.ssh/id_rsa.Your public key has been saved in /root/.ssh/id_rsa.pub.The key fingerprint is:b4:d1:db:49:d4:27:2c:f9:6d:85:cd:cf:e8:2b:53:72 root@rac1The key's randomart p_w_picpath is:+--[ RSA 2048]----+|            .+ + ||         . .o = =||        o . .o *o||       . o + .o =||        S . o. . ||            . E  ||             + . ||            o .  ||             o   |+-----------------+[root@rac1 ~]# scp  /root/.ssh/id_rsa.pub  3.3.3.100:/root/.ssh/authorized_keys       --把rac1的公钥上传到rac2服务器上root@3.3.3.100's password:id_rsa.pub                                                                                                                                                              100%  391     0.4KB/s   00:00[root@rac1 ~]#

RAC2中的SSH服务互相信任

[root@rac2 Packages]# ssh-keygen -t rsaGenerating public/private rsa key pair.Enter file in which to save the key (/root/.ssh/id_rsa):Enter passphrase (empty for no passphrase):Enter same passphrase again:Your identification has been saved in /root/.ssh/id_rsa.Your public key has been saved in /root/.ssh/id_rsa.pub.The key fingerprint is:bc:d2:00:ed:4f:60:a2:bd:bc:4d:da:34:68:fe:5a:27 root@rac2The key's randomart p_w_picpath is:+--[ RSA 2048]----+|                 ||     .           ||    o +          ||   o = o         ||  . . o S        ||   . o = .       ||    = E =        ||   o O =         ||    =o+          |+-----------------+[root@rac2 Packages]# scp /root/.ssh/id_rsa.pub  3.3.3.99:/root/.ssh/authorized.keysThe authenticity of host '3.3.3.99 (3.3.3.99)' can't be established.RSA key fingerprint is ee:eb:9c:70:83:0b:d1:25:0e:84:73:f2:fa:27:4d:7f.Are you sure you want to continue connecting (yes/no)? yesWarning: Permanently added '3.3.3.99' (RSA) to the list of known hosts.root@3.3.3.99's password:id_rsa.pub                                                                                                                                                              100%  391     0.4KB/s   00:00[root@rac2 Packages]#ssh rac1             --必须连通,并不要输入密码[root@rac2 Packages]#ssh rac2             --必须连通,并不要输入密码[root@rac2 Packages]#ssh rac1-priv        --必须连通,并不要输入密码[root@rac2 Packages]#ssh rac2-priv        --必须连通,并不要输入密码

4.IP地址被占用

解决方法(是因为虚拟IP启动了,禁用就行了):