open Linux Konsole from Matlab

Question

Andreas Schwager 2021-7-27

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/886729-open-linux-konsole-from-matlab

评论： Andreas Schwager 2021-7-27

采纳的回答： Bjorn Gustavsson

在 MATLAB Online 中打开

Hello,

on Ubuntu 18.04 shell typing

konsole &

a new window with console opens, as expected.

In Matlab typing

[status, cmdout] = system('konsole &', '-echo')

nothing happens...

The output is:

status =
     0
cmdout =
  0×0 empty char array

How to open a new console in a new thread from Matlab?

How to hand over even parameters or commands into this new console?

Executing e.g.

[status, cmdout] = system('jedit &', '-echo')

runs as expected. jedit opens and can be operated as usual.

Thanks for your answers

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Andreas Schwager 2021-7-27

在 MATLAB Online 中打开

starting without background mode gives an error message:

>> [status, cmdout] = system('konsole', '-echo')
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Gui.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libkdeinit5_konsole.so)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libkdeinit5_konsole.so)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libkdeinit5_konsole.so)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Widgets.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libkdeinit5_konsole.so)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Xml.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libkonsoleprivate.so.17)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5DBus.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libkonsoleprivate.so.17)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Network.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libkonsoleprivate.so.17)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5PrintSupport.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libkonsoleprivate.so.17)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Widgets.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libkonsoleprivate.so.17)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libkonsoleprivate.so.17)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libkonsoleprivate.so.17)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Gui.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libkonsoleprivate.so.17)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5DBus.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5NotifyConfig.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Gui.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5NotifyConfig.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Widgets.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5NotifyConfig.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5NotifyConfig.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5NotifyConfig.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Gui.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5Crash.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5X11Extras.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5Crash.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5Crash.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5Crash.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5PrintSupport.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5DBus.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Network.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Gui.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Xml.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Widgets.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Gui.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5KIOWidgets.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5DBus.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5KIOWidgets.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Widgets.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5KIOWidgets.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Network.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5KIOWidgets.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5KIOWidgets.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5KIOWidgets.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5DBus.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5IconThemes.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Svg.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5IconThemes.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Gui.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5IconThemes.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Widgets.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5IconThemes.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5IconThemes.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5IconThemes.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5DBus.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5ConfigWidgets.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Gui.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5ConfigWidgets.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5ConfigWidgets.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5ConfigWidgets.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Widgets.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5ConfigWidgets.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5I18n.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5I18n.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5X11Extras.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5DBusAddons.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5DBus.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5DBusAddons.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5DBusAddons.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5DBusAddons.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Gui.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5Completion.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Widgets.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5Completion.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5Completion.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5Completion.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Gui.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Widgets.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Xml.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5ConfigGui.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Gui.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5ConfigGui.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5ConfigGui.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5ConfigGui.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5ConfigCore.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5ConfigCore.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Widgets.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5X11Extras.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Gui.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5X11Extras.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5Notifications.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Widgets.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5Notifications.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Gui.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5Notifications.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5DBus.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5Notifications.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5Notifications.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5Notifications.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Gui.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5Bookmarks.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5DBus.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5Bookmarks.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5Bookmarks.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5Bookmarks.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Widgets.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5Bookmarks.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Xml.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5Bookmarks.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5Pty.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5Pty.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Gui.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5TextWidgets.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Widgets.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5TextWidgets.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5TextWidgets.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5TextWidgets.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5X11Extras.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5GuiAddons.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Gui.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5GuiAddons.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5GuiAddons.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5GuiAddons.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Xml.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5KIOCore.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Network.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5KIOCore.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5DBus.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5KIOCore.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5KIOCore.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5KIOCore.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5X11Extras.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5JobWidgets.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Gui.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5JobWidgets.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Widgets.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5JobWidgets.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5DBus.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5JobWidgets.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5JobWidgets.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5JobWidgets.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5DBus.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5Service.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5Service.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5Service.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Xml.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5Service.so.5)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Gui.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libphonon4qt5.so.4)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5DBus.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libphonon4qt5.so.4)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libphonon4qt5.so.4)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Core.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libphonon4qt5.so.4)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Widgets.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libphonon4qt5.so.4)
konsole: /usr/local/MATLAB/R2021a/bin/glnxa64/libQt5Network.so.5: no version information available (required by /usr/lib/x86_64-linux-gnu/libKF5Attica.so.5)
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konsole: relocation error: /usr/lib/x86_64-linux-gnu/libKF5SonnetCore.so.5: symbol qt_version_tag version Qt_5.9 not defined in file libQt5Core.so.5 with link time reference
status =
   127

The relocation error of the last line maybe useful...

Raymond Norris 2021-7-27

在 MATLAB Online 中打开

Just to clarify a term, system will launch a separate process, not thread. Agreed, it ought to run on a different core than MATLAB, but you could also imagine that MATLAB sees all cores (or at least many of them) and is spawning computation threads (i.e. maxNumCompThreads) on them. Since you're calling system and and not formally scheduling the process, it could be hit or miss.

I don't think you want to call xterm. But you might need to set the LD_LIBRARY_PATH before launching your app. For example:

[status,cmdout] = system('export LD_LIBRARY_PATH=/path/to/lib1_dir:/path/to/lib2_dir && rviz rviz -d runMyRvizLaunchFile.rviz');
disp(['cmdout: ' strtrim(cmdout) '  status: ' num2str(status)])

3 comments:

Are you sure you're actually running into an issue? The system status comes back as 0.
Not sure why the system call is calling rviz twice, but I assume you understand why. Seems like you'd only call it once.
Notice I'm using strtrim, instead of cmdout(1:end-1), as the second output of system (cmdout) can have leading new lines as well.