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14 Sep 2019
17:47:53@gitter_meowcat285:matrix.orgMeowcat285 (Gitter)I need more tabs!
17:51:01@gitter_andersevenrud:matrix.orgAnders Evenrud (Gitter)Hehe.
17:51:09@gitter_meowcat285:matrix.orgMeowcat285 (Gitter)I just had bad idea
17:51:43@gitter_meowcat285:matrix.orgMeowcat285 (Gitter)
17:51:46@gitter_meowcat285:matrix.orgMeowcat285 (Gitter)Thats better
17:54:17@gitter_meowcat285:matrix.orgMeowcat285 (Gitter)BRB
18 Sep 2019
11:41:57@gitter_fk1985:matrix.orgFK1985 (Gitter) joined the room.
11:42:01@gitter_fk1985:matrix.orgFK1985 (Gitter) Hello! Just installed OS.js with xpra-application and now I am trying to get firefox to work. I started the xpra with "xpra --no-daemon --bind-tcp= --start=firefox --html=on start :2". But in OS.js I can't connect, there is just a message "xpra - connection was closed". Does somebody has an idea ?
13:50:26@gitter_fk1985:matrix.orgFK1985 (Gitter) set a profile picture.
13:50:26@gitter_fk1985:matrix.orgFK1985 (Gitter) I installed it via "npm install --save --production @osjs/xpra-application"
13:51:17@gitter_fk1985:matrix.orgFK1985 (Gitter) I have "xpra-2.5.3-1.r23270.el7_6.x86_64"
14:06:54@gitter_andersevenrud:matrix.orgAnders Evenrud (Gitter)That should be OK.
14:07:00@gitter_andersevenrud:matrix.orgAnders Evenrud (Gitter)Do you get any errors in the xpra server output ?
14:19:51@gitter_fk1985:matrix.orgFK1985 (Gitter)

Warning: running as root
WARNING: low display number: 2
You are attempting to run the xpra server
against a low X11 display number: ':2'.
This is generally not what you want.
You should probably use a higher display number
just to avoid any confusion and this warning message.
2019-09-18 16:13:34,294 cannot use uinput for virtual devices:
2019-09-18 16:13:34,295 [Errno 2] Failed to open the uinput device: No such file or directory. Perhaps load the uinput kernel module first?

X.Org X Server 1.20.4
X Protocol Version 11, Revision 0
Build Operating System: 3.10.0-957.1.3.el7.x86_64
Current Operating System: Linux 3.10.0-1062.1.1.el7.x86_64 #1 SMP Fri Sep 13 22:55:44 UTC 2019 x86_64
Kernel command line: BOOT_IMAGE=/vmlinuz-3.10.0-1062.1.1.el7.x86_64 root=/dev/mapper/centos_basb-root ro crashkernel=auto rd.lvm.lv=centos/root rd.lvm.lv=centos/swap rhgb quiet LANG=de_DE.UTF-8
Build Date: 09 August 2019 03:27:09AM
Build ID: xorg-x11-server 1.20.4-7.el7
Current version of pixman: 0.34.0
Before reporting problems, check http://wiki.x.org
to make sure that you have the latest version.
Markers: (--) probed, (**) from config file, (==) default setting,
(++) from command line, (!!) notice, (II) informational,
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(++) Log file: "/run/user/0/xpra/Xorg.:2.log", Time: Wed Sep 18 16:13:34 2019
(++) Using config file: "/etc/xpra/xorg.conf"
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
2019-09-18 16:13:37,578 created unix domain socket: /run/user/0/xpra/basb-2
2019-09-18 16:13:37,578 created unix domain socket: /run/xpra/basb-2
2019-09-18 16:13:37,579 Warning: missing sound module
2019-09-18 16:13:37,673 pointer device emulation using XTest
2019-09-18 16:13:37,687 serving html content from: /usr/share/xpra/www
2019-09-18 16:13:38,447 OpenGL is supported on display ':2'
2019-09-18 16:13:38,448 using 'llvmpipe (LLVM 7.0, 128 bits)' renderer
2019-09-18 16:13:38,487 D-Bus notification forwarding is available
2019-09-18 16:13:38,532 Warning: webcam forwarding is disabled
2019-09-18 16:13:38,532 the virtual video directory '/sys/devices/virtual/video4linux' was not found
2019-09-18 16:13:38,532 make sure that the 'v4l2loopback' kernel module is installed and loaded
2019-09-18 16:13:38,533 found 0 virtual video devices for webcam forwarding
2019-09-18 16:13:38,558 xpra GTK2 X11 version 2.5.3-r23270 64-bit
2019-09-18 16:13:38,559 uid=0 (root), gid=0 (root)
2019-09-18 16:13:38,559 running with pid 3599 on Linux CentOS Linux 7.7.1908 Core
2019-09-18 16:13:38,559 connected to X11 display :2 with 24 bit colors
2019-09-18 16:13:38,567 Error parsing xdg menu data:
2019-09-18 16:13:38,567 ParsingError in file '/etc/xdg/menus/kde-applications.menu', File not found
2019-09-18 16:13:38,567 this is either a bug in python-xdg,
2019-09-18 16:13:38,567 or an invalid system menu configuration
2019-09-18 16:13:38,570 printer forwarding enabled using postscript and pdf
Running without a11y support!
2019-09-18 16:13:38,836 xpra is ready.
2019-09-18 16:13:38,849 3.7GB of system memory

(firefox:3643): Gtk-WARNING **: 16:13:40.460: Theme parsing error: <data>:1:34: Expected ')' in color definition

(firefox:3643): Gtk-WARNING **: 16:13:40.460: Theme parsing error: <data>:1:77: Expected ')' in color definition

14:25:11@gitter_andersevenrud:matrix.orgAnders Evenrud (Gitter)The first thing I see is that you run this as root.
14:25:34@gitter_andersevenrud:matrix.orgAnders Evenrud (Gitter)That can cause all sorts of problems and security issues.
14:26:08@gitter_andersevenrud:matrix.orgAnders Evenrud (Gitter)And CentOS, I see.
14:26:30@gitter_andersevenrud:matrix.orgAnders Evenrud (Gitter)I remember someone else had this issue on Cent, actually. Wonder if I can find the conversation in the archive, hmm.
14:27:56@gitter_andersevenrud:matrix.orgAnders Evenrud (Gitter) I'll have to get back to you on that, because I'm at work atm and a bit occupied.
14:29:42@gitter_andersevenrud:matrix.orgAnders Evenrud (Gitter)Is there any activitity in the xpra logs when you connect via the browser client ?
14:35:07@gitter_fk1985:matrix.orgFK1985 (Gitter) I just tried with a non-root user, same issue. There are no lines written to "/run/user/1000/xpra/Xorg.:2.log" when I try to connect.
14:35:39@gitter_fk1985:matrix.orgFK1985 (Gitter)I can try tomorrow with an other distro. Thats no problem.
14:36:35@gitter_andersevenrud:matrix.orgAnders Evenrud (Gitter)If you know your way around DevTools you could maybe check the console and network tabs for more pointers.
14:39:53@gitter_fk1985:matrix.orgFK1985 (Gitter) In the DevTools I see "WebSocket connection to 'ws://localhost:10000/' failed: Error in connection establishment: net::ERR_CONNECTION_REFUSED" -> worker.js:13
14:40:43@gitter_fk1985:matrix.orgFK1985 (Gitter) But it should listen, here is an output: [root@basb ~]# netstat -tulpn
Aktive Internetverbindungen (Nur Server)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 LISTEN 1423/master
tcp 0 0
LISTEN 3998/python2
tcp 0 0 LISTEN 1239/nginx: master
tcp 0 0
LISTEN 1162/sshd
tcp6 0 0 ::1:25 ::: LISTEN 1423/master
tcp6 0 0 :::8000 :::
LISTEN 3988/node
tcp6 0 0 :::14500 ::: LISTEN 1/systemd
tcp6 0 0 :::22 :::
LISTEN 1162/sshd
udp 0 0 962/dhclient
udp 0 0
udp6 0 0 ::1:323 :::* 792/chronyd
14:43:55@gitter_andersevenrud:matrix.orgAnders Evenrud (Gitter) I see. Might be worth to try an older version of Xpra maybe. But this really sounds like the issue this other guy reported a while back. Can't remember how he solved it (should have written it down, hehe)... but I'll try to find it later today :)
14:46:26@gitter_fk1985:matrix.orgFK1985 (Gitter)Thank you very much. Tomorrow I will try an older version of xpra and after that an other distro.
14:47:14@gitter_andersevenrud:matrix.orgAnders Evenrud (Gitter):+1:
19 Sep 2019
10:59:45@gitter_fk1985:matrix.orgFK1985 (Gitter)pretty dumb mistake: systemctl stop firewalld resolved the issue :D
13:05:02@gitter_andersevenrud:matrix.orgAnders Evenrud (Gitter):D

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