I am using xpra on centos 7 , I used the below command to start xpra:
xpra start --bind-tcp=0.0.0.0:8080 --start=xterm
After starting xpra session, when I connect from chrome using http://0.0.0.0:8080/ IP it shows only the blue screen it does not show the xterm.
On checking the console of the development tools, I saw an error that 'ReferenceError: XpraClient is not defined'. I don't know what is causing this error.
I installed the xpra on this machine with command
sudo yum install xpra
and all the dependencies are installed by yum.
I tried the same installation and starting the xpra session on a different machine which was successfull.
log file of the xpra session is below
2023-07-20 11:39:44,793 created tcp socket '0.0.0.0:8080'^[[0m
2 2023-07-20 11:39:44,801 cannot use uinput for virtual devices:^[[0m
3 2023-07-20 11:39:44,801 [Errno 2] Failed to open the uinput device: No such file or directory. Perhaps load the uinput kernel module first?^[[0m
4 _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
5 _XSERVTransMakeAllCOTSServerListeners: server already running
6 _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
7 _XSERVTransMakeAllCOTSServerListeners: server already running
8 _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
9 _XSERVTransMakeAllCOTSServerListeners: server already running
10 _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
11 _XSERVTransMakeAllCOTSServerListeners: server already running
12 _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
13 _XSERVTransMakeAllCOTSServerListeners: server already running
14 _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
15 _XSERVTransMakeAllCOTSServerListeners: server already running
16 _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
17 _XSERVTransMakeAllCOTSServerListeners: server already running
18 _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
19 _XSERVTransMakeAllCOTSServerListeners: server already running
20 _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
21 _XSERVTransMakeAllCOTSServerListeners: server already running
22 _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
23 _XSERVTransMakeAllCOTSServerListeners: server already running
24 _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
25 _XSERVTransMakeAllCOTSServerListeners: server already running
26 _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
27 _XSERVTransMakeAllCOTSServerListeners: server already running
28 _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
29 _XSERVTransMakeAllCOTSServerListeners: server already running
30 _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
31 _XSERVTransMakeAllCOTSServerListeners: server already running
32 _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
33 _XSERVTransMakeAllCOTSServerListeners: server already running
34 _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
35 _XSERVTransMakeAllCOTSServerListeners: server already running
36 _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
37 _XSERVTransMakeAllCOTSServerListeners: server already running
38 _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
39 _XSERVTransMakeAllCOTSServerListeners: server already running
40 _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
41 _XSERVTransMakeAllCOTSServerListeners: server already running
42 _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
43 _XSERVTransMakeAllCOTSServerListeners: server already running
44
45 X.Org X Server 1.20.4
46 X Protocol Version 11, Revision 0
47 Build Operating System: 3.10.0-957.1.3.el7.x86_64
48 Current Operating System: Linux hostname 3.10.0-1160.el7.x86_64 #1 SMP Mon Oct 19 16:18:59 UTC 2020 x86_64
49 Kernel command line: BOOT_IMAGE=/vmlinuz-3.10.0-1160.el7.x86_64 root=/dev/mapper/os_vg-root ro spectre_v2=retpoline rd.lvm.lv=os_vg/root rd.lvm.lv=os_vg/swap rhgb quiet LAN G=en_IN.UTF-8
50 Build Date: 01 April 2020 05:04:29AM
51 Build ID: xorg-x11-server 1.20.4-10.el7
52 Current version of pixman: 0.34.0
53 Before reporting problems, check http://wiki.x.org
54 to make sure that you have the latest version.
55 Markers: (--) probed, (**) from config file, (==) default setting,
56 (++) from command line, (!!) notice, (II) informational,
57 (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
58 (++) Log file: "/run/user/21040/xpra/Xorg.S126864.log", Time: Thu Jul 20 11:39:44 2023
59 (++) Using config file: "/etc/xpra/xorg.conf"
60 (==) Using system config directory "/usr/share/X11/xorg.conf.d"
61 2023-07-20 11:39:45,407 created unix domain socket '/run/user/21040/xpra/hostname-20'^[[0m
62 2023-07-20 11:39:45,407 cannot create group socket '/run/xpra/hostname-20'^[[0m
63 2023-07-20 11:39:45,407 [Errno 13] Permission denied^[[0m
64 2023-07-20 11:39:45,416 created unix domain socket '/pathtodir/.xpra/hostname-20'^[[0m
65 ^[[33m2023-07-20 11:39:45,416 Warning: missing sound module^[[0m
66 2023-07-20 11:39:45,490 pointer device emulation using XTest^[[0m
67 2023-07-20 11:39:45,508 serving html content from '/usr/share/xpra/www'^[[0m
68 2023-07-20 11:39:46,298 OpenGL is supported on display ':20'^[[0m
69 2023-07-20 11:39:46,298 using 'llvmpipe (LLVM 7.0, 256 bits)' renderer^[[0m
70 2023-07-20 11:39:46,501 D-Bus notification forwarding is available^[[0m
71 ^[[33m2023-07-20 11:39:46,626 Warning: webcam forwarding is disabled^[[0m
72 ^[[33m2023-07-20 11:39:46,626 the virtual video directory '/sys/devices/virtual/video4linux' was not found^[[0m
73 ^[[33m2023-07-20 11:39:46,626 make sure that the 'v4l2loopback' kernel module is installed and loaded^[[0m
74 2023-07-20 11:39:46,626 found 0 virtual video devices for webcam forwarding^[[0m
75 2023-07-20 11:39:46,770 xpra is ready.^[[0m
76 2023-07-20 11:39:46,772 xpra GTK2 X11 version 3.1.4-r3M 64-bit^[[0m
77 2023-07-20 11:39:46,801 uid=21040 (parade), gid=21054 (parade)^[[0m
78 2023-07-20 11:39:46,801 running with pid 126873 on Linux CentOS Linux 7.9.2009 Core^[[0m
79 2023-07-20 11:39:46,801 connected to X11 display :20 with 24 bit colors^[[0m
80 2023-07-20 11:39:50,205 printer forwarding enabled using postscript and pdf^[[0m
81 2023-07-20 11:39:50,215 started command 'xterm' with pid 127037^[[0m
82 2023-07-20 11:39:50,292 watching for applications menu changes in:^[[0m
83 2023-07-20 11:39:50,292 '/usr/local/share/applications'^[[0m
84 2023-07-20 11:39:50,292 '/usr/share/applications'^[[0m
85 ^[[33m2023-07-20 11:39:51,697 ffmpeg: vp8+webm encoding failed: could not open vp8+webm encoder context: Invalid argument^[[0m
86 ^[[31m2023-07-20 11:39:51,712 Error importing nvjpeg encoder (enc_nvjpeg)^[[0m
87 ^[[31m2023-07-20 11:39:51,712 libnvjpeg.so.11: cannot open shared object file: No such file or directory^[[0m
88 2023-07-20 11:39:51,716 376.6GB of system memory^[[0m
89 2023-07-20 11:39:52,382 New unix-domain connection received^[[0m
90 2023-07-20 11:39:52,383 New unix-domain connection received^[[0m
91 2023-07-20 11:39:52,383 on 'pathtodir/.xpra/hostname-20'^[[0m
92 2023-07-20 11:39:52,383 on '/run/user/21040/xpra/hostname-20'^[[0m
93 2023-07-20 11:40:06,158 New unix-domain connection received^[[0m
94 2023-07-20 11:40:06,158 on '/run/user/21040/xpra/hostname-20'^[[0m
95 2023-07-20 11:40:06,159 New unix-domain connection received^[[0m
96 2023-07-20 11:40:06,159 on '/pathtodir/.xpra/hostname-20'^[[0m
Please help me with this. Thank you.