香橙派4 Ubuntu 20.04 xrdp问题

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机型：香橙派4  4+16G（非LTS）
系统：Ubuntu 20.04 SD卡镜像
使用apt安装xrdp之后，在远程桌面客户端中连接一直黑屏，没有任何显示。
按照网上一些方法改了配置文件，依然如此。
求助，请问如何解决。

systemctl status xrdp

1. ● xrdp.service - xrdp daemon
   
2.      Loaded: loaded (/lib/systemd/system/xrdp.service; enabled; vendor preset: enabled)
   
3.      Active: active (running) since Sat 2022-12-24 22:41:36 CST; 1 weeks 2 days ago
   
4.        Docs: man:xrdp(8)
   
5.              man:xrdp.ini(5)
   
6.    Main PID: 8449 (xrdp)
   
7.       Tasks: 1 (limit: 4585)
   
8.      Memory: 2.1M
   
9.      CGroup: /system.slice/xrdp.service
   
10.              └─8449 /usr/sbin/xrdp
    
11. 
    
12. Warning: journal has been rotated since unit was started, output may be incomplete.

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/etc/xrdp/xrdp.ini

1. [Globals]
   
2. ; xrdp.ini file version number
   
3. ini_version=1
   
4. 
   
5. ; fork a new process for each incoming connection
   
6. fork=true
   
7. 
   
8. ; ports to listen on, number alone means listen on all interfaces
   
9. ; 0.0.0.0 or :: if ipv6 is configured
   
10. ; space between multiple occurrences
    
11. ;
    
12. ; Examples:
    
13. ;   port=3389
    
14. ;   port=unix://./tmp/xrdp.socket
    
15. ;   port=tcp://.:3389                           127.0.0.1:3389
    
16. ;   port=tcp://:3389                            *:3389
    
17. ;   port=tcp://<any ipv4 format addr>:3389      192.168.1.1:3389
    
18. ;   port=tcp6://.:3389                          ::1:3389
    
19. ;   port=tcp6://:3389                           *:3389
    
20. ;   port=tcp6://{<any ipv6 format addr>}:3389   {FC00:0:0:0:0:0:0:1}:3389
    
21. ;   port=vsock://<cid>:<port>
    
22. port=3389
    
23. 
    
24. ; 'port' above should be connected to with vsock instead of tcp
    
25. ; use this only with number alone in port above
    
26. ; prefer use vsock://<cid>:<port> above
    
27. use_vsock=false
    
28. 
    
29. ; regulate if the listening socket use socket option tcp_nodelay
    
30. ; no buffering will be performed in the TCP stack
    
31. tcp_nodelay=true
    
32. 
    
33. ; regulate if the listening socket use socket option keepalive
    
34. ; if the network connection disappear without close messages the connection will be closed
    
35. tcp_keepalive=true
    
36. 
    
37. ; set tcp send/recv buffer (for experts)
    
38. #tcp_send_buffer_bytes=32768
    
39. #tcp_recv_buffer_bytes=32768
    
40. 
    
41. ; security layer can be 'tls', 'rdp' or 'negotiate'
    
42. ; for client compatible layer
    
43. security_layer=negotiate
    
44. 
    
45. ; minimum security level allowed for client for classic RDP encryption
    
46. ; use tls_ciphers to configure TLS encryption
    
47. ; can be 'none', 'low', 'medium', 'high', 'fips'
    
48. crypt_level=high
    
49. 
    
50. ; X.509 certificate and private key
    
51. ; openssl req -x509 -newkey rsa:2048 -nodes -keyout key.pem -out cert.pem -days 365
    
52. ; note this needs the user xrdp to be a member of the ssl-cert group, do with e.g.
    
53. ;$ sudo adduser xrdp ssl-cert
    
54. certificate=
    
55. key_file=
    
56. 
    
57. ; set SSL protocols
    
58. ; can be comma separated list of 'SSLv3', 'TLSv1', 'TLSv1.1', 'TLSv1.2', 'TLSv1.3'
    
59. ssl_protocols=TLSv1.2, TLSv1.3
    
60. ; set TLS cipher suites
    
61. #tls_ciphers=HIGH
    
62. 
    
63. ; Section name to use for automatic login if the client sends username
    
64. ; and password. If empty, the domain name sent by the client is used.
    
65. ; If empty and no domain name is given, the first suitable section in
    
66. ; this file will be used.
    
67. autorun=
    
68. 
    
69. allow_channels=true
    
70. allow_multimon=true
    
71. bitmap_cache=true
    
72. bitmap_compression=true
    
73. bulk_compression=true
    
74. #hidelogwindow=true
    
75. max_bpp=32
    
76. new_cursors=true
    
77. ; fastpath - can be 'input', 'output', 'both', 'none'
    
78. use_fastpath=both
    
79. ; when true, userid/password *must* be passed on cmd line
    
80. #require_credentials=true
    
81. ; You can set the PAM error text in a gateway setup (MAX 256 chars)
    
82. #pamerrortxt=change your password according to policy at http://url
    
83. 
    
84. ;
    
85. ; colors used by windows in RGB format
    
86. ;
    
87. blue=009cb5
    
88. grey=dedede
    
89. #black=000000
    
90. #dark_grey=808080
    
91. #blue=08246b
    
92. #dark_blue=08246b
    
93. #white=ffffff
    
94. #red=ff0000
    
95. #green=00ff00
    
96. #background=626c72
    
97. 
    
98. ;
    
99. ; configure login screen
    
100. ;
     
101. 
     
102. ; Login Screen Window Title
     
103. #ls_title=My Login Title
     
104. 
     
105. ; top level window background color in RGB format
     
106. ls_top_window_bg_color=009cb5
     
107. 
     
108. ; width and height of login screen
     
109. ls_width=350
     
110. ls_height=430
     
111. 
     
112. ; login screen background color in RGB format
     
113. ls_bg_color=dedede
     
114. 
     
115. ; optional background image filename (bmp format).
     
116. #ls_background_image=
     
117. 
     
118. ; logo
     
119. ; full path to bmp-file or file in shared folder
     
120. ls_logo_filename=
     
121. ls_logo_x_pos=55
     
122. ls_logo_y_pos=50
     
123. 
     
124. ; for positioning labels such as username, password etc
     
125. ls_label_x_pos=30
     
126. ls_label_width=65
     
127. 
     
128. ; for positioning text and combo boxes next to above labels
     
129. ls_input_x_pos=110
     
130. ls_input_width=210
     
131. 
     
132. ; y pos for first label and combo box
     
133. ls_input_y_pos=220
     
134. 
     
135. ; OK button
     
136. ls_btn_ok_x_pos=142
     
137. ls_btn_ok_y_pos=370
     
138. ls_btn_ok_width=85
     
139. ls_btn_ok_height=30
     
140. 
     
141. ; Cancel button
     
142. ls_btn_cancel_x_pos=237
     
143. ls_btn_cancel_y_pos=370
     
144. ls_btn_cancel_width=85
     
145. ls_btn_cancel_height=30
     
146. 
     
147. [Logging]
     
148. LogFile=xrdp.log
     
149. LogLevel=DEBUG
     
150. EnableSyslog=true
     
151. SyslogLevel=DEBUG
     
152. ; LogLevel and SysLogLevel could by any of: core, error, warning, info or debug
     
153. 
     
154. [Channels]
     
155. ; Channel names not listed here will be blocked by XRDP.
     
156. ; You can block any channel by setting its value to false.
     
157. ; IMPORTANT! All channels are not supported in all use
     
158. ; cases even if you set all values to true.
     
159. ; You can override these settings on each session type
     
160. ; These settings are only used if allow_channels=true
     
161. rdpdr=true
     
162. rdpsnd=true
     
163. drdynvc=true
     
164. cliprdr=true
     
165. rail=true
     
166. xrdpvr=true
     
167. tcutils=true
     
168. 
     
169. ; for debugging xrdp, in section xrdp1, change port=-1 to this:
     
170. #port=/tmp/.xrdp/xrdp_display_10
     
171. 
     
172. ; for debugging xrdp, add following line to section xrdp1
     
173. #chansrvport=/tmp/.xrdp/xrdp_chansrv_socket_7210
     
174. 
     
175. 
     
176. ;
     
177. ; Session types
     
178. ;
     
179. 
     
180. ; Some session types such as Xorg, X11rdp and Xvnc start a display server.
     
181. ; Startup command-line parameters for the display server are configured
     
182. ; in sesman.ini. See and configure also sesman.ini.
     
183. [Xorg]
     
184. name=Xorg
     
185. lib=libxup.so
     
186. username=ask
     
187. password=ask
     
188. ip=127.0.0.1
     
189. port=-1
     
190. code=20
     
191. 
     
192. [Xvnc]
     
193. name=Xvnc
     
194. lib=libvnc.so
     
195. username=ask
     
196. password=ask
     
197. ip=127.0.0.1
     
198. port=-1
     
199. #xserverbpp=24
     
200. #delay_ms=2000
     
201. 
     
202. [vnc-any]
     
203. name=vnc-any
     
204. lib=libvnc.so
     
205. ip=ask
     
206. port=ask5900
     
207. username=na
     
208. password=ask
     
209. #pamusername=asksame
     
210. #pampassword=asksame
     
211. #pamsessionmng=127.0.0.1
     
212. #delay_ms=2000
     
213. 
     
214. [neutrinordp-any]
     
215. name=neutrinordp-any
     
216. lib=libxrdpneutrinordp.so
     
217. ip=ask
     
218. port=ask3389
     
219. username=ask
     
220. password=ask
     
221. 
     
222. ; You can override the common channel settings for each session type
     
223. #channel.rdpdr=true
     
224. #channel.rdpsnd=true
     
225. #channel.drdynvc=true
     
226. #channel.cliprdr=true
     
227. #channel.rail=true
     
228. #channel.xrdpvr=true

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13859024

建议用xrdp登录界面选择vnc连接，xrdp的Bug太多，根据日志来看是虚拟桌面环境启动不起来。