1.下载三个包，传到/root下面
2.依次安装
3.复制文件
cp /lib/systemd/system/vncserver@.service /etc/systemd/system/vncserver@:1.service
4.因为我有两个两个用户，一个是root ，另外一个是普通用户,我决定让普通用户使用vnc,那么编辑
/etc/systemd/system/vncserver@:1.service这个文件，将其中的<user>改为普通用户名即可
vim /etc/systemd/system/vncserver@\:1.service
5.切换到普通用户，设置vncpasswd
6.切换到root,启动vnc服务
[root@ ~]# systemctl daemon-reload
[root@ ~]# systemctl start vncserver@\:1.service
[root@ ~]# systemctl enable vncserver@\:1.service
[root@ ~]# systemctl status vncserver@\:1.service
● vncserver@:1.service - Remote desktop service (VNC)
Loaded: loaded (/etc/systemd/system/vncserver@:1.service; enabled; vendor preset: disabled)
Active: active (running) since Fri 2022-07-22 14:27:34 CST; 9min ago
Main PID: 380762 (vncserver_wrapp)
CGroup: /system.slice/system-vncserver.slice/vncserver@:1.service
├─ 22539 sleep 5
└─380762 /bin/sh /usr/bin/vncserver_wrapper cdssadmin :1
Jul 22 14:27:34 hm-db systemd[1]: Starting Remote desktop service (VNC)...
Jul 22 14:27:34 hm-db systemd[1]: Started Remote desktop service (VNC).
Jul 22 14:27:37 hm-db vncserver_wrapper[380762]: New 'hm-db:1 (cdssadmin)' desktop is hm-db:1
Jul 22 14:27:37 hm-db vncserver_wrapper[380762]: Starting applications specified in /home/cdssadmin/.vnc/xstartup
Jul 22 14:27:37 hm-db vncserver_wrapper[380762]: Log file is /home/cdssadmin/.vnc/hm-db:1.log
Jul 22 14:27:42 hm-db vncserver_wrapper[380762]: 'vncserver :1' has PID 380786, waiting until it exits ...
[root@ ~]# netstat -lnpt|grep Xvnc
tcp 0 0 0.0.0.0:5901 0.0.0.0:* LISTEN 380786/Xvnc
tcp 0 0 0.0.0.0:6001 0.0.0.0:* LISTEN 380786/Xvnc
tcp6 0 0 :::5901 :::* LISTEN 380786/Xvnc
tcp6 0 0 :::6001 :::* LISTEN 380786/Xvnc
7.问题，启动后，用vnc viewer能连接上，但是
黑屏，查看日志发现此处错误：
8.删掉/run/user/100[root@hm-db ~]# rm /run/user/1002/dconf/user
[root@ ~]# rm /run/user/1002/dconf/user
rm: remove regular file ‘/run/user/1002/dconf/user’? y
问题4.报这个错误
Xvnc TigerVNC 1.8.0 - built Oct 13 2020 16:13:03
Copyright (C) 1999-2017 TigerVNC Team and many others (see README.txt)
See http://www.tigervnc.org for information on TigerVNC.
Underlying X server release 12004000, The X.Org Foundation
Thu Nov 3 10:35:12 2022
vncext: VNC extension running!
vncext: Listening for VNC connections on all interface(s), port 5901
vncext: created VNC server for screen 0
mv: 无法将"/home/gkadmin/.cache/imsettings/log" 移动至"/home/gkadmin/.cache/imsettings/log.bak": 权限不够
(imsettings-check:18779): IMSettings-WARNING **: 10:35:15.680: 无法连接：拒绝连接
(imsettings-check:18779): GLib-GIO-CRITICAL **: 10:35:15.680: g_dbus_proxy_call_sync_internal: assertion 'G_IS_DBUS_PROXY (proxy)' failed
** (process:18719): WARNING **: 10:35:15.823: Could not make bus activated clients aware of XDG_CURRENT_DESKTOP=GNOME environment variable: Could not connect: Connection refused
/home/gkadmin/.vnc/xstartup: 行 5: 18719 已终止 /etc/X11/xinit/xinitrc
Killing Xvnc process ID 18700
经查看，发现系统装了python,
(base) [root@gggg imsettings]# echo $PATH
/opt/anaconda3/bin:/opt/anaconda3/condabin:/gxaio/liquibase:/opt/anaconda3/bin:/usr/java/jdk1.8.0_321-amd64/bin:/usr/java/jdk1.8.0_321-amd64/jre/bin:/gxaio/liquibase:/opt/anaconda3/bin:/opt/anaconda3/condabin:/opt/anaconda3/bin:/usr/java/jdk1.8.0_321-amd64/bin:/usr/java/jdk1.8.0_321-amd64/jre/bin:/gxaio/liquibase:/opt/anaconda3/bin:/opt/anaconda3/condabin:/opt/anaconda3/bin:/usr/java/jdk1.8.0_321-amd64/bin:/usr/java/jdk1.8.0_321-amd64/jre/bin:/usr/java/jdk1.8.0_321-amd64/bin:/usr/java/jdk1.8.0_321-amd64/jre/bin:/usr/local/sbin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin
(base) [root@gggg imsettings]#
修改该用户下的 ~/.bashrc 或者 ~/.bash_profile 让 /usr/bin 在Anconda 的环境变量之前就行
修改完：source 一下
再查看一下：echo $PATH 是否修改成功
9.接着就正常了。
