리눅스 데스크탑에 원격으로 연결하는 방법

[hadoop@master ~]$ sudo yum -y install xrdp
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
epel/x86_64/metalink                                                                                                                                                   | 8.5 kB  00:00:00     
 * base: mirrors.163.com
 * epel: ftp.cuhk.edu.hk
 * extras: mirrors.163.com
 * updates: ftp.sjtu.edu.cn
epel                                                                                                                                                                   | 4.7 kB  00:00:00     
http://ftp.cuhk.edu.hk/pub/linux/fedora-epel/7/x86_64/repodata/repomd.xml: [Errno -1] repomd.xml does not match metalink for epel
Trying other mirror.
epel                                                                                                                                                                   | 3.2 kB  00:00:00     
(1/3): epel/x86_64/group_gz                                                                                                                                            |  88 kB  00:00:00     
(2/3): epel/x86_64/updateinfo                                                                                                                                          | 943 kB  00:00:15     
(3/3): epel/x86_64/primary                                                                                                                                             | 3.6 MB  00:01:37     
epel                                                                                                                                                                              12687/12687
Resolving Dependencies
--> Running transaction check
---> Package xrdp.x86_64 1:0.9.7-1.el7 will be installed
--> Processing Dependency: xorgxrdp for package: 1:xrdp-0.9.7-1.el7.x86_64
--> Running transaction check
---> Package xorgxrdp.x86_64 0:0.2.7-1.el7 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

==============================================================================================================================================================================================
 Package                                       Arch                                        Version                                            Repository                                 Size
==============================================================================================================================================================================================
Installing:
 xrdp                                          x86_64                                      1:0.9.7-1.el7                                      epel                                      416 k
Installing for dependencies:
 xorgxrdp                                      x86_64                                      0.2.7-1.el7                                        epel                                       62 k

Transaction Summary
==============================================================================================================================================================================================
Install  1 Package (+1 Dependent package)

Total download size: 478 k
Installed size: 2.2 M
Downloading packages:
warning: /var/cache/yum/x86_64/7/epel/packages/xorgxrdp-0.2.7-1.el7.x86_64.rpm: Header V3 RSA/SHA256 Signature, key ID 352c64e5: NOKEY                      ]  0.0 B/s |    0 B  --:--:-- ETA 
Public key for xorgxrdp-0.2.7-1.el7.x86_64.rpm is not installed
(1/2): xorgxrdp-0.2.7-1.el7.x86_64.rpm                                                                                                                                 |  62 kB  00:00:01     
(2/2): xrdp-0.9.7-1.el7.x86_64.rpm                                                                                                                                     | 416 kB  00:00:07     
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Total                                                                                                                                                          62 kB/s | 478 kB  00:00:07     
Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-7
Importing GPG key 0x352C64E5:
 Userid     : "Fedora EPEL (7) <epel@fedoraproject.org>"
 Fingerprint: 91e9 7d7c 4a5e 96f1 7f3e 888f 6a2f aea2 352c 64e5
 Package    : epel-release-7-11.noarch (installed)
 From       : /etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-7
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Warning: RPMDB altered outside of yum.
** Found 11 pre-existing rpmdb problem(s), &#39;yum check&#39; output follows:
icedtea-web-1.7.1-1.el7.x86_64 has missing requires of java-1.8.0-openjdk
icedtea-web-1.7.1-1.el7.x86_64 has missing requires of jpackage-utils
icedtea-web-1.7.1-1.el7.x86_64 has missing requires of jpackage-utils
jline-1.0-8.el7.noarch has missing requires of java >= (&#39;0&#39;, &#39;1.5&#39;, None)
jline-1.0-8.el7.noarch has missing requires of jpackage-utils
1:libreoffice-core-5.3.6.1-10.el7.x86_64 has missing requires of java-headless >= (&#39;1&#39;, &#39;1.6&#39;, None)
1:libreoffice-ure-5.3.6.1-10.el7.x86_64 has missing requires of libjvm.so()(64bit)
rhino-1.7R5-1.el7.noarch has missing requires of jpackage-utils
rhino-1.7R5-1.el7.noarch has missing requires of jpackage-utils
tagsoup-1.2.1-8.el7.noarch has missing requires of jpackage-utils
tagsoup-1.2.1-8.el7.noarch has missing requires of jpackage-utils >= (&#39;0&#39;, &#39;1.6&#39;, None)
  Installing : xorgxrdp-0.2.7-1.el7.x86_64                                                                                                                                                1/2 
  Installing : 1:xrdp-0.9.7-1.el7.x86_64                                                                                                                                                  2/2 
  Verifying  : xorgxrdp-0.2.7-1.el7.x86_64                                                                                                                                                1/2 
  Verifying  : 1:xrdp-0.9.7-1.el7.x86_64                                                                                                                                                  2/2 

Installed:
  xrdp.x86_64 1:0.9.7-1.el7                                                                                                                                                                   

Dependency Installed:
  xorgxrdp.x86_64 0:0.2.7-1.el7                                                                                                                                                               

Complete!

[hadoop@master ~]$ /bin/systemctl start xrdp.service
==== AUTHENTICATING FOR org.freedesktop.systemd1.manage-units ===
Authentication is required to manage system services or units.
Authenticating as: root
Password: 
==== AUTHENTICATION COMPLETE ===
[hadoop@master ~]$