使用vnc远程操控Centos7.6

安装vncserver

[root@elegant-snap-3 ~]# yum install tigervnc-server -y
loaded plugins: fastestmirror
determining fastest mirrors
 * base: mirror.fileplanet.com
 * elrepo-kernel: repos.lax-noc.com
 * extras: mirror.hostduplex.com
 * updates: mirror.hostduplex.com

(many more lines supressed)

installed:
  tigervnc-server.x86_64 0:1.8.0-13.el7                                                                                                                                                                                 

dependency installed:
  libice.x86_64 0:1.0.9-9.el7          libsm.x86_64 0:1.2.2-2.el7                 libx11.x86_64 0:1.6.5-2.el7                    libx11-common.noarch 0:1.6.5-2.el7       libxau.x86_64 0:1.0.8-2.1.el7                
  libxcursor.x86_64 0:1.1.15-1.el7     libxdamage.x86_64 0:1.1.4-4.1.el7          libxdmcp.x86_64 0:1.1.2-6.el7                  libxext.x86_64 0:1.3.3-3.el7             libxfixes.x86_64 0:5.0.3-1.el7               
  libxfont2.x86_64 0:2.0.3-1.el7       libxi.x86_64 0:1.7.9-1.el7                 libxinerama.x86_64 0:1.1.3-2.1.el7             libxmu.x86_64 0:1.1.2-2.el7              libxrandr.x86_64 0:1.5.1-2.el7               
  libxrender.x86_64 0:0.9.10-1.el7     libxt.x86_64 0:1.1.5-3.el7                 libxtst.x86_64 0:1.2.3-1.el7                   libxxf86misc.x86_64 0:1.0.3-7.1.el7      libxxf86vm.x86_64 0:1.1.4-1.el7              
  libfontenc.x86_64 0:1.1.3-3.el7      libglvnd.x86_64 1:1.0.1-0.8.git5baa1e5.el7 libglvnd-glx.x86_64 1:1.0.1-0.8.git5baa1e5.el7 libjpeg-turbo.x86_64 0:1.2.90-6.el7      libxcb.x86_64 0:1.13-1.el7                   
  libxkbfile.x86_64 0:1.0.9-3.el7      libxshmfence.x86_64 0:1.2-1.el7            llvm-private.x86_64 0:6.0.1-2.el7              mesa-dri-drivers.x86_64 0:18.0.5-4.el7_6 mesa-filesystem.x86_64 0:18.0.5-4.el7_6      
  mesa-libgl.x86_64 0:18.0.5-4.el7_6   mesa-libglapi.x86_64 0:18.0.5-4.el7_6      pixman.x86_64 0:0.34.0-1.el7                   tigervnc-license.noarch 0:1.8.0-13.el7   tigervnc-server-minimal.x86_64 0:1.8.0-13.el7
  xkeyboard-config.noarch 0:2.24-1.el7 xorg-x11-server-utils.x86_64 0:7.7-20.el7  xorg-x11-xauth.x86_64 1:1.0.9-1.el7            xorg-x11-xinit.x86_64 0:1.3.4-2.el7      xorg-x11-xkb-utils.x86_64 0:7.7-14.el7       

complete!
[root@elegant-snap-3 ~]# 

yum groupinstall "gnome desktop"来安装xwindow,然后复制配置文件并修改为你的用户名,生效配置，配置白名单，切换到目标用户vncpasswd设置密码

[root@23 ~]# cp /lib/systemd/system/vncserver@.service /etc/systemd/system/vncserver@:1.service

                                                                                                                                    
[root@23 ~]# cat /etc/systemd/system/vncserver@:1.service|grep -v ^#|grep -v ^$
[unit]
description=remote desktop service (vnc)
after=syslog.target network.target
[service]
type=forking
execstartpre=/bin/sh -c '/usr/bin/vncserver -kill %i > /dev/null 2>&1 || :'
execstart=/usr/sbin/runuser -l king -c "/usr/bin/vncserver %i"
pidfile=/home/king/.vnc/%h%i.pid
execstop=/bin/sh -c '/usr/bin/vncserver -kill %i > /dev/null 2>&1 || :'
[install]
wantedby=multi-user.target
[root@23 ~]# systemctl daemon-reload
[root@23 ~]# systemctl start vncserver@:1
failed to execute operation: file exists
[root@23 ~]# systemctl status vncserver@:1
● vncserver@:1.service - remote desktop service (vnc)
   loaded: loaded (/etc/systemd/system/vncserver@:1.service; enabled; vendor preset: disabled)
   active: active (running) since tue 2019-08-27 14:55:18 cst; 1h 55min ago
 main pid: 1557 (xvnc)
   cgroup: /system.slice/system-vncserver.slice/vncserver@:1.service
           ‣ 1557 /usr/bin/xvnc :1 -auth /home/king/.xauthority -desktop localhost.localdomain:1 (king) -fp catalogue:/etc/x11/fontpath.d -geometry 1024x768 -pn -rfbauth /home/king/.vnc/passwd -rfbport 5901 -rfbwa...

aug 27 14:55:15 localhost.localdomain systemd[1]: starting remote desktop service (vnc)...
aug 27 14:55:18 23.106.151.61.16clouds.com systemd[1]: started remote desktop service (vnc).
[root@23 ~]# netstat -antpul
active internet connections (servers and established)
proto recv-q send-q local address           foreign address         state       pid/program name    
tcp        0      0 0.0.0.0:3306            0.0.0.0:*               listen      2103/mysqld         
tcp        0      0 0.0.0.0:5901            0.0.0.0:*               listen      1557/xvnc           
tcp        0      0 0.0.0.0:111             0.0.0.0:*               listen      1/systemd           
tcp        0      0 0.0.0.0:80              0.0.0.0:*               listen      1436/nginx: master  
tcp        0      0 0.0.0.0:6001            0.0.0.0:*               listen      1557/xvnc           
tcp        0      0 192.168.122.1:53        0.0.0.0:*               listen      2153/dnsmasq        
tcp        0      0 0.0.0.0:21              0.0.0.0:*               listen      1322/pure-ftpd (ser 
tcp        0      0 0.0.0.0:29045           0.0.0.0:*               listen      1260/sshd           
tcp        0      0 127.0.0.1:631           0.0.0.0:*               listen      1243/cupsd          
tcp        0      0 0.0.0.0:8888            0.0.0.0:*               listen      1368/python         
tcp        0      0 0.0.0.0:888             0.0.0.0:*               listen      1436/nginx: master  
tcp        0      0 127.0.0.1:25            0.0.0.0:*               listen      1963/master         
tcp        0      0 23.106.151.61:5901      61.133.171.204:17218    established 1557/xvnc           
tcp        0    336 23.106.151.61:29045     61.133.171.204:17013    established 4790/sshd: root@pts 
tcp        0      0 23.106.151.61:29045     61.133.171.204:17123    established 3140/sshd: root@pts 
tcp6       0      0 :::5901                 :::*                    listen      1557/xvnc           
tcp6       0      0 :::111                  :::*                    listen      1/systemd           
tcp6       0      0 :::6001                 :::*                    listen      1557/xvnc           
tcp6       0      0 :::21                   :::*                    listen      1322/pure-ftpd (ser 
tcp6       0      0 :::29045                :::*                    listen      1260/sshd           
tcp6       0      0 ::1:631                 :::*                    listen      1243/cupsd          
tcp6       0      0 ::1:25                  :::*                    listen      1963/master         
udp        0      0 0.0.0.0:5353            0.0.0.0:*                           701/avahi-daemon: r 
udp        0      0 127.0.0.1:323           0.0.0.0:*                           746/chronyd         
udp        0      0 0.0.0.0:52705           0.0.0.0:*                           701/avahi-daemon: r 
udp        0      0 0.0.0.0:875             0.0.0.0:*                           703/rpcbind         
udp        0      0 192.168.122.1:53        0.0.0.0:*                           2153/dnsmasq        
udp        0      0 0.0.0.0:67              0.0.0.0:*                           2153/dnsmasq        
udp        0      0 0.0.0.0:68              0.0.0.0:*                           1017/dhclient       
udp        0      0 0.0.0.0:111             0.0.0.0:*                           1/systemd           
udp6       0      0 ::1:323                 :::*                                746/chronyd         
udp6       0      0 :::875                  :::*                                703/rpcbind         
udp6       0      0 :::111                  :::*                                1/systemd           
[root@23 ~]# firewall-cmd --add-port=5901/tcp --permanent 
success
[root@23 ~]# firewall-cmd --reload
success
[root@23 ~]# su - king
last login: tue aug 27 11:38:03 cst 2019 on pts/0
[king@23 ~]$ vncpasswd
password:
verify:
would you like to enter a view-only password (y/n)? n
a view-only password is not used
[king@23 ~]$ 

可以在本机上安装客户端连接了

好了，实际生产中，也是vnc使用较多

如何卸载，直接yum remove然后删除相关配置文件和目录即可

[root@23 ~]# yum -y remove tigervnc-server
loaded plugins: fastestmirror, langpacks
resolving dependencies
--> running transaction check
---> package tigervnc-server.x86_64 0:1.8.0-13.el7 will be erased
--> finished dependency resolution
base/7/x86_64                                                                                                                                                                                    | 3.6 kb  00:00:00     
elrepo-kernel                                                                                                                                                                                    | 2.9 kb  00:00:00     
extras/7/x86_64                                                                                                                                                                                  | 3.4 kb  00:00:00     
updates/7/x86_64                                                                                                                                                                                 | 3.4 kb  00:00:00     

dependencies resolved

========================================================================================================================================================================================================================
 package                                                  arch                                            version                                                  repository                                      size
========================================================================================================================================================================================================================
removing:
 tigervnc-server                                          x86_64                                          1.8.0-13.el7                                             @base                                          509 k

transaction summary
========================================================================================================================================================================================================================
remove  1 package

installed size: 509 k
downloading packages:
running transaction check
running transaction test
transaction test succeeded
running transaction
  erasing    : tigervnc-server-1.8.0-13.el7.x86_64                                                                                                                                                                  1/1 
  verifying  : tigervnc-server-1.8.0-13.el7.x86_64                                                                                                                                                                  1/1 

removed:
  tigervnc-server.x86_64 0:1.8.0-13.el7                                                                                                                                                                                 

complete!
[root@23 ~]# rm /etc/systemd/system/vncserver@:1.service
rm: remove regular file ‘/etc/systemd/system/vncserver@:1.service’? y
[root@23 ~]# rm -rf /home/king/.vnc
[root@23 ~]#