parallels@ubuntu:~/Downloads/Docker$ ls
DTR  UCP
parallels@ubuntu:~/Downloads/Docker$ sudo openssl req -out ca.pem -new -x509
Generating a 2048 bit RSA private key
......................................................+++
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writing new private key to 'privkey.pem'
Enter PEM pass phrase:docker
Verifying - Enter PEM pass phrase:docker
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You are about to be asked to enter information that will be incorporated
into your certificate request.
What you are about to enter is what is called a Distinguished Name or a DN.
There are quite a few fields but you can leave some blank
For some fields there will be a default value,
If you enter '.', the field will be left blank.
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Country Name (2 letter code) [AU]:cn
State or Province Name (full name) [Some-State]:beijing
Locality Name (eg, city) []:beijing
Organization Name (eg, company) [Internet Widgits Pty Ltd]:
Organizational Unit Name (eg, section) []:
Common Name (e.g. server FQDN or YOUR name) []:volnet
Email Address []:
parallels@ubuntu:~/Downloads/Docker$ ls
ca.pem  DTR  privkey.pem  UCP
parallels@ubuntu:~/Downloads/Docker$ docker run --rm -it --name ucp   -v /var/run/docker.sock:/var/run/docker.sock   docker/ucp install -i   --host-address 10.211.55.6
INFO[0000] Verifying your system is compatible with UCP 
INFO[0000] Your engine version 1.12.1, build 23cf638 (3.13.0-86-generic) is compatible 
Please choose your initial UCP admin password: 
Confirm your initial password: 
INFO[0032] All required images are present              
WARN[0032] None of the hostnames we'll be using in the UCP certificates [ubuntu 127.0.0.1 172.17.0.1 10.211.55.6] contain a domain component.  Your generated certs may fail TLS validation unless you only use one of these shortnames or IPs to connect.  You can use the --san flag to add more aliases 

You may enter additional aliases (SANs) now or press enter to proceed with the above list.
Additional aliases: docker-node1
INFO[0068] Installing UCP with host address 10.211.55.6 - If this is incorrect, please specify an alternative address with the '--host-address' flag 
INFO[0000] Checking that required ports are available and accessible 
INFO[0002] Generating UCP Cluster Root CA               
INFO[0027] Generating UCP Client Root CA                
INFO[0032] Deploying UCP Containers                     
INFO[0063] New configuration established.  Signalling the daemon to load it... 
INFO[0064] Successfully delivered signal to daemon      
INFO[0064] UCP instance ID: ZIHB:NNFZ:FZ5O:V577:JKTE:UYMA:CVTU:WLGV:CWQY:BLM7:SCC2:2KT2 
INFO[0064] UCP Server SSL: SHA-256 Fingerprint=4F:84:80:E6:26:60:85:B9:69:98:D9:0A:39:F3:09:B8:A7:3D:B3:D3:0E:10:C2:3A:3A:C4:4D:6B:51:66:2B:C2 
INFO[0064] Login as "admin"/(your admin password) to UCP at https://10.211.55.6:443