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):