openstack O版 安裝dashboard，登錄web管理界面

[root@controller ~]# yum install openstack-dashboard -y
[root@controller ~]# vi /etc/openstack-dashboard/local_settings
直接覆蓋我給的local_settings文件也行（為了減少出錯，大家還是用我提供的local_settings文件替換覆蓋）

鏈接：https://pan.baidu.com/s/1CnmKkFMTemv199ctgb5Oig
提取碼：27om

復制這段內容后打開百度網盤手機App，操作更方便哦 [root@controller ~]# systemctl restart httpd.service memcached.service 測試：http://192.168.0.111/dashboard/ 八．創建雙機相互信任 1.controller服務器 [root@controller ~]# ssh-keygen -t rsa Generating public/private rsa key pair. Enter file in which to save the key (/root/.ssh/id_rsa): Created directory '/root/.ssh'. 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: 43:5e:57:44:68:d3:b2:89:57:39:a1:fd:43:c7:41:e4 root@controller The key's randomart image is: +--[ RSA 2048]----+	=B*		=+*..		. .oo*.Eo		o ...+ ...		S . ..		. .

+-----------------+
3.controller上傳生成的秘鑰
[root@controller ~]# ssh-copy-id -i /root/.ssh/id_rsa.pub -p 22 root@192.168.0.112
The authenticity of host '192.168.0.112 (192.168.0.112)' can't be established.
ECDSA key fingerprint is f1:02:2a:8d:05:4d:8f:58:d2:2d:1a:79:3e:dd:e6:6f.
Are you sure you want to continue connecting (yes/no)? yes
/usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed
/usr/bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are prompted now it is to install the new keys
root@192.168.0.112's password:

Number of key(s) added: 1

Now try logging into the machine, with: "ssh -p '22' 'root@192.168.0.112'"
and check to make sure that only the key(s) you wanted were added.
4.Compute
[root@compute ~]# ssh-copy-id -i /root/.ssh/id_rsa.pub -p 22 root@192.168.0.111
The authenticity of host '192.168.0.111 (192.168.0.111)' can't be established.
ECDSA key fingerprint is 9c:d7:ca:6a:e5:bb:cc:13:aa:1a:14:b3:80:22:e7:3c.
Are you sure you want to continue connecting (yes/no)? yes
/usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed
/usr/bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are prompted now it is to install the new keys
root@192.168.0.111's password:

Number of key(s) added: 1

Now try logging into the machine, with: "ssh -p '22' 'root@192.168.0.111'"
and check to make sure that only the key(s) you wanted were added.