A while back I installed i3 on my MATE box, and I'm quite happy with it, however despite disabling Caja Desktop (x-caja-desktop) when setting i3 as the default window manager through dconf editor, every time I install a .deb package via the gui installer, the desktop "window" opens and overlays my entire screen. This is incredibly annoying, and hitting super-shift-q to close the window doesn't work, which forces me to just move it to an unused workspace. Is there anything I can do to stop this from happening without installing a different file manager?

I am getting an error. #! /usr/bin/python3 # On 10/4/22 I installed version Python 3.10.7 # png2jpg.py # Does not work # Traceback (most recent call last): # File "/home/andy/Python/png2jpg.py", line 10, in # from PIL import Image # ModuleNotFoundError: No module named 'PIL' import math import os import sys from PIL import Image if len(sys.argv) > 1: if os.path.exists(sys.argv): im = Image.open(sys.argv) target_name = sys.argv + ".jpg" rgb_im = im.convert('RGB') rgb_im.save(target_name) print("Saved as " + target_name) else: print(sys.argv + " not found") else: print("Usage: convert2jpg.py ") I installed Pillow. pip3 install Pillow which pip3 /usr/local/bin/pip3 I use python3 png2jpg.py pip3 --version pip 22.2.2 from /usr/local/lib/python3.10/site-packages/pip (python 3.10) I did find out that the python script does work in UM 20.04. I tried some new items from Michael Mba. pip uninstall PIL Cannot uninstall requirement PIL, not installed python3 -m pip install --upgrade pip Defaulting to user installation because normal site-packages is not writeable WARNING: pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available. Requirement already satisfied: pip in /usr/local/lib/python3.10/site-packages (22.2.2) WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError("Can't connect to HTTPS URL because the SSL module is not available.")': /simple/pip/ WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError("Can't connect to HTTPS URL because the SSL module is not available.")': /simple/pip/ WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError("Can't connect to HTTPS URL because the SSL module is not available.")': /simple/pip/ WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError("Can't connect to HTTPS URL because the SSL module is not available.")': /simple/pip/ WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError("Can't connect to HTTPS URL because the SSL module is not available.")': /simple/pip/ Could not fetch URL https://pypi.org/simple/pip/ : There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.org', port=443): Max retries exceeded with url: /simple/pip/ (Caused by SSLError("Can't connect to HTTPS URL because the SSL module is not available.")) - skipping WARNING: pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available. Could not fetch URL https://pypi.org/simple/pip/ : There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.org', port=443): Max retries exceeded with url: /simple/pip/ (Caused by SSLError("Can't connect to HTTPS URL because the SSL module is not available.")) - skipping WARNING: There was an error checking the latest version of pip. https://jhooq.com/pip-install-connection-error/ I have no pip.conf file? :-) Python allows you to set default command-line options with the help of pip.conf file. Locate your pip.conf file based on your operating system - 2. Unix - $HOME/.config/pip/pip.conf

I am using Ubuntu MATE 18.04. I believe it uses LightDM as display manager. I have 2 monitors connected to the same device (Intel HD onboard graphics, with 2 ports, one HDMI, one VGA). Because of the nature of the applications I run, I need to have 2 separate X11 screens. I would need to move the mouse between them, but other than that they should be independent. I should not be able to move windows between monitors. I believe that a setup with one display and 2 screens, with one monitor per screen, would work. Using the display manager GUI app I just get a monitor as extended, and it is on the same screen. - Am I correct that one display, with 2 screens, with one monitor per screen, would do what I want? - And how would I set it up? I'm following this guide: - [Dual Monitors](http://web.archive.org/web/20130429073111/http://en.gentoo-wiki.com/wiki/X.Org/Dual_Monitors#Single_graphics_card.2C_Multiple_X_screens_with_ZaphodHeads) (at the Gentoo Linux Wiki) also 2. [Linux Multihead – More screens on one graphic card](http://www.odorik.cz/w/linux_multihead) 3. [Dual Screen Setup in Ubuntu with Intel HD Graphics](https://askubuntu.com/questions/278115/dual-screen-setup-in-ubuntu-with-intel-hd-graphics) (at Ask Ubuntu) 4. [Xorg: Independent Mode](https://unix.stackexchange.com/questions/365796/xorg-independent-mode) (at Unix&Linux) 5. [Configuring Multiple X Screens on One Card](https://download.nvidia.com/XFree86/Linux-x86_64/304.137/README/configmultxscreens.html) (at nvidia.com) (this does not mention ZaphodHeads) It seams what I want is called ZaphodHeads – multiple screens with the same device. However, the result I get is 2 blank screens with only the text cursor in the top left corner. It seams to me this is the problem: [ 44.380] (II) intel(0): Output VIRTUAL1 using monitor section MonitorR [ 44.380] (II) intel(0): Enabled output VIRTUAL1 [ 44.380] (II) intel(0): EDID for output VIRTUAL1 [ 44.380] (II) intel(0): Output VIRTUAL1 disconnected [ 44.380] (WW) intel(0): No outputs definitely connected, trying again... [ 44.380] (II) intel(0): Output VIRTUAL1 disconnected [ 44.380] (WW) intel(0): Unable to find connected outputs - setting 1024x768 initial framebuffer My configuration: Xrandr: $ xrandr VGA-1 connected (normal left inverted right x axis y axis) 1920x1080 60.00 + 1600x1200 60.00 1680x1050 59.95 1400x1050 59.98 1600x900 60.00 1280x1024 75.02 60.02 1440x900 59.89 1280x960 60.00 1360x768 59.95 1280x800 74.93 59.81 1152x864 75.00 59.97 1280x720 60.00 1024x768 75.03 60.00 800x600 75.00 60.32 640x480 75.00 59.94 HDMI-1 connected primary 2560x1080+0+0 (normal left inverted right x axis y axis) 673mm x 284mm 2560x1080 60.00*+ 1920x1080 60.00 50.00 59.94 1920x1080i 60.00 50.00 59.94 1680x1050 59.88 1600x900 60.00 1280x1024 75.02 60.02 1152x864 75.00 1280x720 60.00 50.00 59.94 1024x768 75.03 60.00 800x600 75.00 60.32 720x576 50.00 720x480 60.00 59.94 640x480 75.00 60.00 59.94 720x400 70.08 DP-1 disconnected (normal left inverted right x axis y axis) PCI device: $ lspci | grep -i vga | cut -d " " -f 1 00:02.0 Xorg.conf: $ cat /etc/X11/xorg.conf Section "ServerLayout" Identifier "LayoutDual" Screen 0 "ScreenR" 0 0 Screen 1 "ScreenE" RightOf "ScreenR" EndSection Section "ServerFlags" Option "DefaultServerLayout" "LayoutDual" EndSection Section "device" Identifier "IntelR" Driver "intel" Option "AccelMethod" "sna" Screen 0 BusId "PCI:0:2:0" Option "ZaphodHeads" "HDMI-1" #Option "NoAccel" "true" EndSection Section "device" Identifier "IntelE" Driver "intel" Option "AccelMethod" "sna" Screen 1 BusId "PCI:0:2:0" Option "ZaphodHeads" "VGA-1" # Option "NoAccel" "true" EndSection Section "Monitor" Identifier "MonitorE" VendorName "Vendor" ModelName "Model" Option "Rotate" "right" EndSection Section "Monitor" Identifier "MonitorR" VendorName "Vendor" ModelName "Model" EndSection Section "Screen" Identifier "ScreenE" Device "IntelE" Monitor "MonitorE" Option "Rotate" "right" DefaultDepth 24 SubSection "Display" Depth 24 EndSubSection EndSection Section "Screen" Identifier "ScreenR" Device "IntelR" Monitor "MonitorR" DefaultDepth 24 # Option "DPI" "96 x 96" SubSection "Display" Depth 24 Modes "2048x2048" EndSubSection EndSection Xorg log: $ cat /var/log/Xorg.0.log [ 44.028] X Protocol Version 11, Revision 0 [ 44.028] Build Operating System: Linux 4.4.0-138-generic x86_64 Ubuntu [ 44.028] Current Operating System: Linux simu 4.15.0-88-generic #88-Ubuntu SMP Tue Feb 11 20:11:34 UTC 2020 x86_64 [ 44.028] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.15.0-88-generic root=UUID=54ac0618-2b10-49ee-bca4-d9ba7634ed46 ro quiet splash vt.handoff=1 [ 44.028] Build Date: 25 October 2018 04:11:27PM [ 44.028] xorg-server 2:1.19.6-1ubuntu4.2 (For technical support please see http://www.ubuntu.com/support) [ 44.028] Current version of pixman: 0.34.0 [ 44.028] Before reporting problems, check http://wiki.x.org to make sure that you have the latest version. [ 44.028] Markers: (--) probed, (**) from config file, (==) default setting, (++) from command line, (!!) notice, (II) informational, (WW) warning, (EE) error, (NI) not implemented, (??) unknown. [ 44.028] (==) Log file: "/var/log/Xorg.0.log", Time: Wed Feb 26 19:59:18 2020 [ 44.043] (==) Using config file: "/etc/X11/xorg.conf" [ 44.043] (==) Using system config directory "/usr/share/X11/xorg.conf.d" [ 44.091] (**) Option "defaultserverlayout" "LayoutDual" [ 44.091] (**) ServerLayout "LayoutDual" [ 44.091] (**) |-->Screen "ScreenR" (0) [ 44.091] (**) | |-->Monitor "MonitorR" [ 44.091] (**) | |-->Device "IntelR" [ 44.091] (**) |-->Screen "ScreenE" (1) [ 44.091] (**) | |-->Monitor "MonitorE" [ 44.091] (**) | |-->Device "IntelE" [ 44.091] (==) Automatically adding devices [ 44.091] (==) Automatically enabling devices [ 44.091] (==) Automatically adding GPU devices [ 44.091] (==) Automatically binding GPU devices [ 44.091] (==) Max clients allowed: 256, resource mask: 0x1fffff [ 44.103] (WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist. [ 44.103] Entry deleted from font path. [ 44.103] (WW) The directory "/usr/share/fonts/X11/100dpi/" does not exist. [ 44.103] Entry deleted from font path. [ 44.103] (WW) The directory "/usr/share/fonts/X11/75dpi/" does not exist. [ 44.103] Entry deleted from font path. [ 44.103] (WW) The directory "/usr/share/fonts/X11/100dpi" does not exist. [ 44.103] Entry deleted from font path. [ 44.103] (WW) The directory "/usr/share/fonts/X11/75dpi" does not exist. [ 44.103] Entry deleted from font path. [ 44.103] (==) FontPath set to: /usr/share/fonts/X11/misc, /usr/share/fonts/X11/Type1, built-ins [ 44.103] (==) ModulePath set to "/usr/lib/xorg/modules" [ 44.103] (II) The server relies on udev to provide the list of input devices. If no devices become available, reconfigure udev or disable AutoAddDevices. [ 44.103] (II) Loader magic: 0x557171c1d020 [ 44.103] (II) Module ABI versions: [ 44.103] X.Org ANSI C Emulation: 0.4 [ 44.103] X.Org Video Driver: 23.0 [ 44.103] X.Org XInput driver : 24.1 [ 44.103] X.Org Server Extension : 10.0 [ 44.104] (++) using VT number 7 [ 44.104] (II) systemd-logind: logind integration requires -keeptty and -keeptty was not provided, disabling logind integration [ 44.104] (II) xfree86: Adding drm device (/dev/dri/card0) [ 44.124] (--) PCI:*(0:0:2:0) 8086:0122:8086:2111 rev 9, Mem @ 0xf7800000/4194304, 0xe0000000/268435456, I/O @ 0x0000f000/64, BIOS @ 0x????????/131072 [ 44.124] (II) LoadModule: "glx" [ 44.144] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so [ 44.271] (II) Module glx: vendor="X.Org Foundation" [ 44.271] compiled for 1.19.6, module version = 1.0.0 [ 44.271] ABI class: X.Org Server Extension, version 10.0 [ 44.271] (II) LoadModule: "intel" [ 44.271] (II) Loading /usr/lib/xorg/modules/drivers/intel_drv.so [ 44.346] (II) Module intel: vendor="X.Org Foundation" [ 44.346] compiled for 1.19.5, module version = 2.99.917 [ 44.346] Module class: X.Org Video Driver [ 44.346] ABI class: X.Org Video Driver, version 23.0 [ 44.346] (II) intel: Driver for Intel(R) Integrated Graphics Chipsets: i810, i810-dc100, i810e, i815, i830M, 845G, 854, 852GM/855GM, 865G, 915G, E7221 (i915), 915GM, 945G, 945GM, 945GME, Pineview GM, Pineview G, 965G, G35, 965Q, 946GZ, 965GM, 965GME/GLE, G33, Q35, Q33, GM45, 4 Series, G45/G43, Q45/Q43, G41, B43 [ 44.346] (II) intel: Driver for Intel(R) HD Graphics [ 44.346] (II) intel: Driver for Intel(R) Iris(TM) Graphics [ 44.346] (II) intel: Driver for Intel(R) Iris(TM) Pro Graphics [ 44.368] (II) intel(0): Using Kernel Mode Setting driver: i915, version 1.6.0 20171023 [ 44.368] (II) intel(0): SNA compiled: xserver-xorg-video-intel 2:2.99.917+git20171229-1 (Timo Aaltonen ) [ 44.368] (II) intel(0): SNA compiled for use with valgrind [ 44.379] (II) intel(1): Using Kernel Mode Setting driver: i915, version 1.6.0 20171023 [ 44.379] (II) intel(1): SNA compiled: xserver-xorg-video-intel 2:2.99.917+git20171229-1 (Timo Aaltonen ) [ 44.379] (II) intel(1): SNA compiled for use with valgrind [ 44.379] (--) intel(0): Integrated Graphics Chipset: Intel(R) HD Graphics 3000 [ 44.379] (--) intel(0): CPU: x86-64, sse2, sse3, ssse3, sse4.1, sse4.2, avx; using a maximum of 4 threads [ 44.379] (**) intel(0): Depth 24, (--) framebuffer bpp 32 [ 44.379] (==) intel(0): RGB weight 888 [ 44.379] (==) intel(0): Default visual is TrueColor [ 44.379] (**) intel(0): Option "AccelMethod" "sna" [ 44.379] (**) intel(0): Option "ZaphodHeads" "HDMI-1" [ 44.380] (--) intel(0): Using a maximum size of 256x256 for hardware cursors [ 44.380] (II) intel(0): Output VIRTUAL1 using monitor section MonitorR [ 44.380] (II) intel(0): Enabled output VIRTUAL1 [ 44.380] (II) intel(0): EDID for output VIRTUAL1 [ 44.380] (II) intel(0): Output VIRTUAL1 disconnected [ 44.380] (WW) intel(0): No outputs definitely connected, trying again... [ 44.380] (II) intel(0): Output VIRTUAL1 disconnected [ 44.380] (WW) intel(0): Unable to find connected outputs - setting 1024x768 initial framebuffer [ 44.380] (==) intel(0): TearFree disabled [ 44.380] (==) intel(0): Using gamma correction (1.0, 1.0, 1.0) [ 44.380] (==) intel(0): DPI set to (96, 96) [ 44.380] (II) Loading sub module "dri3" [ 44.380] (II) LoadModule: "dri3" [ 44.380] (II) Module "dri3" already built-in [ 44.380] (II) Loading sub module "dri2" [ 44.380] (II) LoadModule: "dri2" [ 44.380] (II) Module "dri2" already built-in [ 44.380] (II) Loading sub module "present" [ 44.380] (II) LoadModule: "present" [ 44.380] (II) Module "present" already built-in [ 44.380] (--) intel(1): Integrated Graphics Chipset: Intel(R) HD Graphics 3000 [ 44.380] (--) intel(1): CPU: x86-64, sse2, sse3, ssse3, sse4.1, sse4.2, avx; using a maximum of 4 threads [ 44.380] (**) intel(1): Depth 24, (--) framebuffer bpp 32 [ 44.380] (==) intel(1): RGB weight 888 [ 44.380] (==) intel(1): Default visual is TrueColor [ 44.380] (**) intel(1): Option "AccelMethod" "sna" [ 44.380] (**) intel(1): Option "ZaphodHeads" "VGA-1" [ 44.380] (--) intel(1): Using a maximum size of 256x256 for hardware cursors [ 44.380] (II) intel(1): Output VIRTUAL1 using monitor section MonitorE [ 44.381] (**) intel(1): Option "Rotate" "right" [ 44.381] (II) intel(1): Enabled output VIRTUAL1 [ 44.381] (II) intel(1): EDID for output VIRTUAL1 [ 44.381] (II) intel(1): Output VIRTUAL1 disconnected [ 44.381] (WW) intel(1): No outputs definitely connected, trying again... [ 44.381] (II) intel(1): Output VIRTUAL1 disconnected [ 44.381] (WW) intel(1): Unable to find connected outputs - setting 1024x768 initial framebuffer [ 44.381] (==) intel(1): TearFree disabled [ 44.381] (==) intel(1): Using gamma correction (1.0, 1.0, 1.0) [ 44.381] (==) intel(1): DPI set to (96, 96) [ 44.381] (II) Loading sub module "dri3" [ 44.381] (II) LoadModule: "dri3" [ 44.381] (II) Module "dri3" already built-in [ 44.381] (II) Loading sub module "dri2" [ 44.381] (II) LoadModule: "dri2" [ 44.381] (II) Module "dri2" already built-in [ 44.381] (II) Loading sub module "present" [ 44.381] (II) LoadModule: "present" [ 44.381] (II) Module "present" already built-in [ 44.381] (==) Depth 24 pixmap format is 32 bpp [ 44.434] (II) intel(0): SNA initialized with Sandybridge (gen6, gt2) backend [ 44.434] (==) intel(0): Backing store enabled [ 44.434] (==) intel(0): Silken mouse enabled [ 44.434] (II) intel(0): HW Cursor enabled [ 44.434] (II) intel(0): RandR 1.2 enabled, ignore the following RandR disabled message. [ 44.434] (==) intel(0): DPMS enabled [ 44.434] (==) intel(0): Display hotplug detection enabled [ 44.434] (II) intel(0): [DRI2] Setup complete [ 44.434] (II) intel(0): [DRI2] DRI driver: i965 [ 44.434] (II) intel(0): [DRI2] VDPAU driver: va_gl [ 44.434] (II) intel(0): direct rendering: DRI2 enabled [ 44.434] (II) intel(0): hardware support for Present enabled [ 44.434] (--) RandR disabled [ 44.434] (II) intel(1): SNA initialized with Sandybridge (gen6, gt2) backend [ 44.434] (==) intel(1): Backing store enabled [ 44.434] (==) intel(1): Silken mouse enabled [ 44.434] (II) intel(1): HW Cursor enabled [ 44.434] (II) intel(1): RandR 1.2 enabled, ignore the following RandR disabled message. [ 44.434] (==) intel(1): DPMS enabled [ 44.434] (==) intel(1): Display hotplug detection enabled [ 44.434] (II) intel(1): [DRI2] Setup complete [ 44.434] (II) intel(1): [DRI2] DRI driver: i965 [ 44.434] (II) intel(1): [DRI2] VDPAU driver: va_gl [ 44.434] (II) intel(1): direct rendering: DRI2 enabled [ 44.434] (II) intel(1): hardware support for Present enabled [ 44.434] (WW) intel(1): Option "Rotate" is not used [ 44.434] (--) RandR disabled [ 44.463] (II) SELinux: Disabled on system [ 44.749] (II) AIGLX: enabled GLX_MESA_copy_sub_buffer [ 44.749] (II) AIGLX: enabled GLX_ARB_create_context [ 44.749] (II) AIGLX: enabled GLX_ARB_create_context_profile [ 44.749] (II) AIGLX: enabled GLX_EXT_create_context_es{,2}_profile [ 44.749] (II) AIGLX: enabled GLX_INTEL_swap_event [ 44.749] (II) AIGLX: enabled GLX_SGI_swap_control [ 44.749] (II) AIGLX: enabled GLX_EXT_framebuffer_sRGB [ 44.749] (II) AIGLX: enabled GLX_ARB_fbconfig_float [ 44.749] (II) AIGLX: enabled GLX_EXT_fbconfig_packed_float [ 44.749] (II) AIGLX: GLX_EXT_texture_from_pixmap backed by buffer objects [ 44.749] (II) AIGLX: enabled GLX_ARB_create_context_robustness [ 44.749] (II) AIGLX: Loaded and initialized i965 [ 44.749] (II) GLX: Initialized DRI2 GL provider for screen 0 [ 44.757] (II) AIGLX: enabled GLX_MESA_copy_sub_buffer [ 44.757] (II) AIGLX: enabled GLX_ARB_create_context [ 44.757] (II) AIGLX: enabled GLX_ARB_create_context_profile [ 44.757] (II) AIGLX: enabled GLX_EXT_create_context_es{,2}_profile [ 44.757] (II) AIGLX: enabled GLX_INTEL_swap_event [ 44.757] (II) AIGLX: enabled GLX_SGI_swap_control [ 44.757] (II) AIGLX: enabled GLX_EXT_framebuffer_sRGB [ 44.757] (II) AIGLX: enabled GLX_ARB_fbconfig_float [ 44.757] (II) AIGLX: enabled GLX_EXT_fbconfig_packed_float [ 44.757] (II) AIGLX: GLX_EXT_texture_from_pixmap backed by buffer objects [ 44.757] (II) AIGLX: enabled GLX_ARB_create_context_robustness [ 44.757] (II) AIGLX: Loaded and initialized i965 [ 44.757] (II) GLX: Initialized DRI2 GL provider for screen 1 [ 45.054] (II) config/udev: Adding input device Power Button (/dev/input/event1) [ 45.054] (**) Power Button: Applying InputClass "libinput keyboard catchall" [ 45.054] (II) LoadModule: "libinput" [ 45.054] (II) Loading /usr/lib/xorg/modules/input/libinput_drv.so [ 45.095] (II) Module libinput: vendor="X.Org Foundation" [ 45.095] compiled for 1.19.6, module version = 0.27.1 [ 45.095] Module class: X.Org XInput Driver [ 45.095] ABI class: X.Org XInput driver, version 24.1 [ 45.095] (II) Using input driver 'libinput' for 'Power Button' [ 45.095] (**) Power Button: always reports core events [ 45.095] (**) Option "Device" "/dev/input/event1" [ 45.095] (**) Option "_source" "server/udev" [ 45.095] (II) event1 - Power Button: is tagged by udev as: Keyboard [ 45.095] (II) event1 - Power Button: device is a keyboard [ 45.095] (II) event1 - Power Button: device removed [ 45.108] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXPWRBN:00/input/input1/event1" [ 45.108] (II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD, id 6) [ 45.108] (**) Option "xkb_model" "pc105" [ 45.108] (**) Option "xkb_layout" "us" [ 45.108] (II) event1 - Power Button: is tagged by udev as: Keyboard [ 45.108] (II) event1 - Power Button: device is a keyboard [ 45.109] (II) config/udev: Adding input device Video Bus (/dev/input/event2) [ 45.109] (**) Video Bus: Applying InputClass "libinput keyboard catchall" [ 45.109] (II) Using input driver 'libinput' for 'Video Bus' [ 45.109] (**) Video Bus: always reports core events [ 45.109] (**) Option "Device" "/dev/input/event2" [ 45.109] (**) Option "_source" "server/udev" [ 45.109] (II) event2 - Video Bus: is tagged by udev as: Keyboard [ 45.109] (II) event2 - Video Bus: device is a keyboard [ 45.109] (II) event2 - Video Bus: device removed [ 45.124] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input2/event2" [ 45.124] (II) XINPUT: Adding extended input device "Video Bus" (type: KEYBOARD, id 7) [ 45.124] (**) Option "xkb_model" "pc105" [ 45.124] (**) Option "xkb_layout" "us" [ 45.124] (II) event2 - Video Bus: is tagged by udev as: Keyboard [ 45.124] (II) event2 - Video Bus: device is a keyboard [ 45.125] (II) config/udev: Adding input device Power Button (/dev/input/event0) [ 45.125] (**) Power Button: Applying InputClass "libinput keyboard catchall" [ 45.125] (II) Using input driver 'libinput' for 'Power Button' [ 45.125] (**) Power Button: always reports core events [ 45.125] (**) Option "Device" "/dev/input/event0" [ 45.125] (**) Option "_source" "server/udev" [ 45.126] (II) event0 - Power Button: is tagged by udev as: Keyboard [ 45.126] (II) event0 - Power Button: device is a keyboard [ 45.126] (II) event0 - Power Button: device removed [ 45.140] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input0/event0" [ 45.140] (II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD, id 8) [ 45.140] (**) Option "xkb_model" "pc105" [ 45.140] (**) Option "xkb_layout" "us" [ 45.141] (II) event0 - Power Button: is tagged by udev as: Keyboard [ 45.141] (II) event0 - Power Button: device is a keyboard [ 45.142] (II) config/udev: Adding input device UC02 UC02 (/dev/input/event3) [ 45.142] (**) UC02 UC02: Applying InputClass "libinput keyboard catchall" [ 45.142] (II) Using input driver 'libinput' for 'UC02 UC02' [ 45.142] (**) UC02 UC02: always reports core events [ 45.142] (**) Option "Device" "/dev/input/event3" [ 45.142] (**) Option "_source" "server/udev" [ 45.143] (II) event3 - UC02 UC02: is tagged by udev as: Keyboard [ 45.143] (II) event3 - UC02 UC02: device is a keyboard [ 45.143] (II) event3 - UC02 UC02: device removed [ 45.156] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.4/1-1.4:1.3/0003:0000:0000.0001/input/input3/event3" [ 45.156] (II) XINPUT: Adding extended input device "UC02 UC02" (type: KEYBOARD, id 9) [ 45.156] (**) Option "xkb_model" "pc105" [ 45.156] (**) Option "xkb_layout" "us" [ 45.157] (II) event3 - UC02 UC02: is tagged by udev as: Keyboard [ 45.157] (II) event3 - UC02 UC02: device is a keyboard [ 45.157] (II) config/udev: Adding input device HDA Intel PCH Front Headphone (/dev/input/event10) [ 45.157] (II) No input driver specified, ignoring this device. [ 45.157] (II) This device may have been added with another device file. [ 45.158] (II) config/udev: Adding input device HDA Intel PCH HDMI/DP,pcm=3 (/dev/input/event11) [ 45.158] (II) No input driver specified, ignoring this device. [ 45.158] (II) This device may have been added with another device file. [ 45.158] (II) config/udev: Adding input device HDA Intel PCH Front Mic (/dev/input/event6) [ 45.158] (II) No input driver specified, ignoring this device. [ 45.158] (II) This device may have been added with another device file. [ 45.159] (II) config/udev: Adding input device HDA Intel PCH Rear Mic (/dev/input/event7) [ 45.159] (II) No input driver specified, ignoring this device. [ 45.159] (II) This device may have been added with another device file. [ 45.159] (II) config/udev: Adding input device HDA Intel PCH Line (/dev/input/event8) [ 45.160] (II) No input driver specified, ignoring this device. [ 45.160] (II) This device may have been added with another device file. [ 45.160] (II) config/udev: Adding input device HDA Intel PCH Line Out (/dev/input/event9) [ 45.160] (II) No input driver specified, ignoring this device. [ 45.160] (II) This device may have been added with another device file. [ 45.161] (II) config/udev: Adding input device Telink Wireless Receiver (/dev/input/event4) [ 45.161] (**) Telink Wireless Receiver: Applying InputClass "libinput pointer catchall" [ 45.161] (**) Telink Wireless Receiver: Applying InputClass "libinput keyboard catchall" [ 45.161] (II) Using input driver 'libinput' for 'Telink Wireless Receiver' [ 45.161] (**) Telink Wireless Receiver: always reports core events [ 45.161] (**) Option "Device" "/dev/input/event4" [ 45.161] (**) Option "_source" "server/udev" [ 45.162] (II) event4 - Telink Wireless Receiver: is tagged by udev as: Keyboard Mouse [ 45.162] (II) event4 - Telink Wireless Receiver: device is a pointer [ 45.162] (II) event4 - Telink Wireless Receiver: device is a keyboard [ 45.162] (II) event4 - Telink Wireless Receiver: device removed [ 45.180] (II) libinput: Telink Wireless Receiver: needs a virtual subdevice [ 45.180] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.0/0003:248A:8367.0002/input/input4/event4" [ 45.180] (II) XINPUT: Adding extended input device "Telink Wireless Receiver" (type: MOUSE, id 10) [ 45.180] (**) Option "AccelerationScheme" "none" [ 45.180] (**) Telink Wireless Receiver: (accel) selected scheme none/0 [ 45.180] (**) Telink Wireless Receiver: (accel) acceleration factor: 2.000 [ 45.180] (**) Telink Wireless Receiver: (accel) acceleration threshold: 4 [ 45.181] (II) event4 - Telink Wireless Receiver: is tagged by udev as: Keyboard Mouse [ 45.181] (II) event4 - Telink Wireless Receiver: device is a pointer [ 45.181] (II) event4 - Telink Wireless Receiver: device is a keyboard [ 45.182] (II) config/udev: Adding input device Telink Wireless Receiver (/dev/input/mouse0) [ 45.182] (II) No input driver specified, ignoring this device. [ 45.182] (II) This device may have been added with another device file. [ 45.183] (II) config/udev: Adding input device Telink Wireless Receiver (/dev/input/event5) [ 45.183] (**) Telink Wireless Receiver: Applying InputClass "libinput keyboard catchall" [ 45.183] (II) Using input driver 'libinput' for 'Telink Wireless Receiver' [ 45.183] (**) Telink Wireless Receiver: always reports core events [ 45.183] (**) Option "Device" "/dev/input/event5" [ 45.183] (**) Option "_source" "server/udev" [ 45.184] (II) event5 - Telink Wireless Receiver: is tagged by udev as: Keyboard [ 45.184] (II) event5 - Telink Wireless Receiver: device is a keyboard [ 45.184] (II) event5 - Telink Wireless Receiver: device removed [ 45.204] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.1/0003:248A:8367.0003/input/input5/event5" [ 45.204] (II) XINPUT: Adding extended input device "Telink Wireless Receiver" (type: KEYBOARD, id 11) [ 45.204] (**) Option "xkb_model" "pc105" [ 45.204] (**) Option "xkb_layout" "us" [ 45.205] (II) event5 - Telink Wireless Receiver: is tagged by udev as: Keyboard [ 45.205] (II) event5 - Telink Wireless Receiver: device is a keyboard [ 45.213] (**) Telink Wireless Receiver: Applying InputClass "libinput pointer catchall" [ 45.213] (**) Telink Wireless Receiver: Applying InputClass "libinput keyboard catchall" [ 45.213] (II) Using input driver 'libinput' for 'Telink Wireless Receiver' [ 45.213] (**) Telink Wireless Receiver: always reports core events [ 45.213] (**) Option "Device" "/dev/input/event4" [ 45.213] (**) Option "_source" "_driver/libinput" [ 45.213] (II) libinput: Telink Wireless Receiver: is a virtual subdevice [ 45.213] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.0/0003:248A:8367.0002/input/input4/event4" [ 45.213] (II) XINPUT: Adding extended input device "Telink Wireless Receiver" (type: KEYBOARD, id 12) [ 45.213] (**) Option "xkb_model" "pc105" [ 45.213] (**) Option "xkb_layout" "us" The 2 screens are black with the cursor in the top left corner. Do I need to configure LightDM to accept this?

meld through ssh -X from ubuntu mate 18.04 to 24.04 gets errors... apt search meld | grep meld outputs:

meld/noble,noble,now 3.22.2-1 all [installed]
python3-meld3/noble 1.0.2-4 amd64

apt search fuse | grep fuse | grep install:

fuse3/noble,now 3.14.0-5build1 amd64 [installed,automatic]
gvfs-fuse/noble,now 1.54.0-1ubuntu2 amd64 [installed,automatic]
libfuse3-3/noble,now 3.14.0-5build1 amd64 [installed,automatic]

Again, xlock displays just fine from 24.04 machine onto 18.04 But meld gets errors:

2025-06-05 12:46:12,494 CRITICAL Gtk: 
(org.gnome.Meld:8439): GLib-GIO-CRITICAL **: 12:46:12.494: GFileInfo created without standard::type
2025-06-05 12:46:12,494 CRITICAL Gtk: 
(org.gnome.Meld:8439): GLib-GIO-CRITICAL **: 12:46:12.494: file ../../../gio/gfileinfo.c: line 1610 (g_file_info_get_file_type): should not be reached
...

UPDATE1: I have a feeling that the error messages were a red herring: the result of the differences is actually shown on the monitor hooked up to the 24.04 machine. BTW, the error message have disappeared. xclock is still shown correctly in the X $DISPLAY localhost:11.0 So the problem now is: "meld" displays on the wrong monitor...

At the moment, I'm mounting a USB hard drive running HFS+ on a Raspberry Pi 3 at boot to be writable. Not 100% sure what I did, but the drive is suddenly throwing up errors such as Buffer I/O error on dev sda2, logical block 18266273, async page read while I'm trying to stream via Plex. Following up on the suggestion from dmesg I installed and ran fsck.hfsplus, but fsck is simply returning The volume Tom's Disk appears to be OK. every time. I've also run it through First Aid on Disk Utility on my Mac, and got similar results. I'm kind of at a loss because the drive seems to be fine, but I can't stop Filesystem was not cleanly unmounted, running fsck.hfsplus is recommended. mounting read-only. messages. Is there any way of telling Ubuntu that the drive is fine? Seems to be the only reason why Plex won't play my media right now...

I would like to store some files in a temp directory that will be automatically deleted within one day and not require a reboot. The files will be about 6 Gigabytes. When should I use /tmp? Use /tmp for smaller, size-bounded files only I searched but could not find out what a size-bounded file is. Is this my $HOME/tmp directory ? /tmp$ ls config-err-ZMgCKu dock-replace.log MozillaUpdateLock-413E48437DD69C69 SiriKali-1000 snap-private-tmp I am also studying this. https://www.baeldung.com/linux/systemd-tmpfiles-configure-temporary-files

I'm running a Mate session on Ubuntu 24.04.4, and noticed that text is missing from all QT applications. The widgets, geometry, theme, is there, but no text. - It's not just text [missing](https://forum.videolan.org/viewtopic.php?t=25121) from [menus](https://forum.videolan.org/viewtopic.php?t=24293) , this is a different bug. - It might be similar to [this issue](https://forum.manjaro.org/t/text-not-visible-in-qt-applications/41488) , but even if I install kvantum settings, I can't use it, because kvantum settings also renders no text. - It feels a bit like [this issue](https://stackoverflow.com/questions/42722746/qt-program-have-no-text-and-i-havent-font-error) , but that was on Raspian and ultimately attributed to QT build options. We know distro packages are built correctly. I'm running a Mate session on Ubuntu 22.04.4, and noticed that none of the QT apps can draw their UI components. The geometry is there but text is missing entirely. - Installing qt6-base-dev and the various packages it pulls in changed nothing. - Installing qt6-wayland and the various packages it pulls in changed nothing. - All available qt*-gtk* packages are installed. I assume it's a font problem? Not sure; Slightly surprised the package manager doesn't sort it out. Apt-reinstalling the affected applications does nothing. How can I fix this? **Edit:** I found only one [forum post](https://ubuntuforums.org/archive/index.php/t-1153331.html) describing a similar issue. The solution involves qtconfig, which does not exist for QT5. [This Reddit thread](https://old.reddit.com/r/voidlinux/comments/hk4ayk/qtconfig_missing/) says to use qt5ct, but I cannot because this is a QT GUI application and therefore its interface does not render. It seems the next step is to find a command-line way to set the *plastique* GUI style for QT5?

I'm using Ubuntu Mate Docker image lscr.io/linuxserver/webtop:ubuntu-mate I can access the desktop via the browser. This works like a charm. However, I would like to restrict the abc (a group would also be ok) user. For example, how can I deny access of mate-terminal? Event better would be to only allow access to Firefox? The problem is that I don't know much about the Linux environment, so I have no clue where to start. So, any help would be appreciated!!

This runs fine as standalone, but fails (Seamonkey does not start) when used as a startup application. sleep 5 && seamonkey I am using this to add programs to my startup. mate-session-properties How can I fix that?

This Thunar custom action is not working when used in 20.04. It works in 18.04? sudo chattr -f +i %f This does not work either. pkexec chattr -f +i %f

This is really frustrating. The directory exists. andy@7 /media/andy/5b4b2ae5-9aaa-4559-9f41-afb313998c75/home/andy/bin> How do I fix this? cd: /media/andy/5b4b2ae5-9aaa-4559-9f41-afb313998c75/home/andy/bin/: No such file or directory Thunar: Failed to open "/media/andy/5b4b2ae5-9aaa-4559-9f41-afb313998c75/home/andy/bin/": Error when getting information for file “/media/andy/5b4b2ae5-9aaa-4559-9f41-afb313998c75/home/andy/bin”: No such file or directory

My working station (RTX 2080 + Ryzen 3700X) with mate ubuntu 20.04 refuses to sleep. When I do Shutdown/sleep, it logs out of the session but does not actually go into sleep mode. Here are some infos:

foo@foo-workstation:~$ nvidia-smi 
Tue Aug 16 17:59:52 2022       
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 495.29.05    Driver Version: 495.29.05    CUDA Version: 11.5     |
|-------------------------------+----------------------+----------------------+
| GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
|                               |                      |               MIG M. |
|===============================+======================+======================|
|   0  NVIDIA GeForce ...  On   | 00000000:08:00.0  On |                  N/A |
|  0%   58C    P0    58W / 250W |    858MiB /  7959MiB |      4%      Default |
|                               |                      |                  N/A |
+-------------------------------+----------------------+----------------------+

and some more:

foo@foo-workstation:~$ systemd-inhibit --list --mode=block
WHO   UID  USER  PID  COMM            WHAT                                                  WHY                                     MODE 
foo 1000 foo 5605 mate-power-mana handle-power-key:handle-suspend-key:handle-lid-switch Mate power manager handles these events block

What I already did: - Purge all nvidia packages and install nvidia-driver-495. - Read various threads on this topic none of which helps. Any help will be greatly appreciated.

I am trying to install gdevilspie_0.5-3.2_all.deb, but am getting error messages. I need gdevilspie to be able to open a minimized mate-terminal window like I can do with UM 18.04. Can someone please help me. andy@7_~/Downloads$ sudo apt install ./gdevilspie_0.5-3.2_all.deb Reading package lists... Done Building dependency tree Reading state information... Done Note, selecting 'gdevilspie' instead of './gdevilspie_0.5-3.2_all.deb' Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: gdevilspie : Depends: python-wnck but it is not installable Depends: python-glade2 but it is not installable Recommends: python-xdg but it is not going to be installed E: Unable to correct problems, you have held broken packages.

Flatpak applications take up a lot of space. Is it wise to take a system backup with Timeshift? What is the solution?

I am running a "TV laptop" - just a low-powered laptop connected to a TV with one single purpose, to run a live TV stream from Google Chrome on Ubuntu MATE 20.04.2 LTS. The first thing I noticed when rebooting this machine with just reboot over ssh, was that: > "Chrome didn't shut down correctly." which is an exact transcript of the bubble message. Is there a way to avoid it?

As mentioned in the title, I boot my PC and select the Ubuntu OS that I have and then it gets stuck on an infinite loading screen. I tried setting appending nomodeset to the grub but that didn't help me. Any suggestions? After hitting escape on the loading screen to get prompted with some information about the system operations I found the following:

[  OK  ] Starting User Runtime Directory /run/user/...
[FAILED] Failed to start Light Display Manager
See 'systemctl status lightdm.service' for details
[  OK  ] Finished User Runtime Directory /run/user/... .
         Starting User Manager for UID 10000...
[  OK  ] Started User Manager for UID 10000...
[  OK  ] Stopped Light Display Manager. 
         Starting Light Display Manager.
         Starting RealtimeKit Scheduling Policy Service.
[  OK  ] Started RealtimeKit Scheduling Policy Service.
[FAILED] Failed to start Light Display Manager.
         Starting Light Display Manager...
[FAILED] Failed to start Light Display Manager.
See 'systemctl status lightdm.service' for more details.

And then it continues with the aforementioned failed start Lightdm messages. At the end of the prompts, I see

A start job is running for Hold until the boot process finishes up (  / no limit)

where

is the time until the infinite loading process began I presume Plus I try to get prompted a terminal via (alt + ctrl + f1/f2) to view the file but I cannot get any kind of terminal. It simply takes me back to the loading screen and then back to the messages. But if I reboot the machine and then select advanced options for ubuntu from the OS select menu I can get a root shell prompt. But I do not have internet access since I tried running a sudo upgrade and the fetches failed. **So how do I fix the issue without networking ?**

I'm running Ubuntu Mate 20.04.03. At some point in the past, it was possible to select between multiple keyboard layouts using a drop-down in the indicator-applet in the panel. This is no longer the case. Multiple keyboard layouts are enabled on the system, but the switching option is missing. I'd like to get this feature back, especially because I remember it including an on-screen (mouse) keyboard which is handy.

> cat /etc/lsb-release 
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=20.04
DISTRIB_CODENAME=focal
DISTRIB_DESCRIPTION="Ubuntu 20.04.3 LTS"

This might be a duplicate of [this question](https://unix.stackexchange.com/questions/102943/keyboard-layout-panel-applet-in-mate-1-6) , but there's no way to tell whether that issue was due to the same bug. Also, that question has no valid answers, so we'll need to sort this out anew regardless. I also [can't type backslash anymore](https://askubuntu.com/questions/1376518/i-can-no-longer-type-backslash-in-ubuntu-on-a-lenovo-p50) but I think that's an unrelated issue.

I have done these procedures to mount my .img file in /etc/fstab (for ubuntu mate 20.04 x64) Create .img file :

dd if=/dev/zero of=filename.img bs=1024 count=2M
sudo mkfs.ext4 filename.img

Note: also be done with gparted with this method **The problem:** Mount /etc/fstab in /mount/point:

/home/user/filename.img /home/user/vdisk ext4 defaults 0 0
# or
/home/user/filename.img /home/user/vdisk ext4 loop 0 0
# or
/home/user/filename.img /home/user/vdisk auto loop 0 0

But always show 2 units: vdisk (mount) and loop (not mount) (see image) if i try to click on this other drive showing unmounted i get the following message: Why doesn't it just show the fileimage.img image mounted in the vdisk folder? **I would like you to help me fix the fstab line so that two units do not appear when mounting .img but only one** **Update:** if I run any of the following commands:

sudo mount -a
# or
sudo mount /home/user/vdisk

The same thing that I describe in my post appears. My fstab (I have altered the UUID for security reasons):

# / was on /dev/sda2 during installation
UUID=9f92d1aa-458d-441a-b349-abcdefghijkl /   ext4    errors=remount-ro 0       1
# /boot/efi was on /dev/sda1 during installation
UUID=F798-ABCD  /boot/efi       vfat    umask=0077      0       1
/swapfile          none            swap    sw              0       0
/home/user/filename.img /home/user/vdisk ext4 defaults 0 0

List:

sudo losetup --list | grep filename.img
/dev/loop8     0      0    1  0 /home/user/filename.img   0     512

**Important:** But, if I remove the /etc/fstab line, delete /dev/loop8 and mount .img image manually (with the followings commands), the described error does not appear

sudo mount -o loop /home/user/filename.img /home/user/disk
# or
sudo mount -t ext4 -o loop /home/user/filename.img /home/user/disk

**Workaround:** 1. manually mount .img manually to /dev/loopXX available:

losetup -f
/dev/loop8
sudo losetup -P /dev/loop8 filename.img
sudo losetup -l
/dev/loop8         0      0         0  0 /home/user/filename.img                            0     512

edit /etc/fstab and put the line:

# /path/to/loop/device       /path/to/mount/point       auto       loop       0 0
# example:
/dev/loop8 /home/user/disk ext4      defaults      0 0

and: sudo mount -a Note: this method is not permanent 2. bash script:

#!/bin/bash
mount -o loop /home/user/filename.img /home/user/disk

# sudo crontab -e
@reboot ./mount-img.sh

Another bash to mount/umount .img HERE (can be programmed in crontab to start with the system) 3. with bindfs:

sudo mkdir /mnt/disk
# edit fstab and add line:
/home/user/filename.img /mnt/disk ext4    defaults	0	0
sudo mount -a
sudo -u user bindfs -n /mnt/disk /home/user/disk

**Summary:** - There is no error - The image is mounted (manually and with fstab) **About mount:** When mounting the .img in fstab, it appears **duplicated** (one is mounted and the other is not). This does not happen when mounting the .img manually or /dev/loopXX in fstab **Update New:** This appears to be a bug in Ubuntu Mate 20.04.3. In Ubuntu version 20.04.3 this problem is not present. **testing file managers:** affects: - caja - nemo - thunar does not affect: - dolphin - nautilus launchpad report github issue Reference

Specs: * i5-6200u * 8GB RAM * 1600x1200 external display *also tested on 1920x1080 eDP display.* MATE Tweak shows the following list of compositors: - Marco, No compositor - Marco, Software Compositor - Marco, Compton GPU Compositor - Compiz Which of these gives the best performance in games, if there's any difference?

I have just installed Ubuntu 20 Mate. When I try to boot it, the process is blocked at loading initial ramdisk. I already tried to reinstall it. What could be the problem? I am using a Dell Inspiron 15 5567 with Intel i7-9700U, 16Gb RAM, AMD R7 M445 dedicated GPU. These are my partitions: Disk /dev/sda: 238.49 GiB, 256060514304 bytes, 500118192 sectors Disk model: SanDisk X400 2.5 Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disklabel type: gpt Disk identifier: 8BF721E2-AA3C-43E8-A8B0-1B608E93C690 Device Start End Sectors Size Type /dev/sda1 2048 34815 32768 16M Microsoft reserved /dev/sda2 34816 346265599 346230784 165.1G Microsoft basic data /dev/sda3 346265600 347469823 1204224 588M Windows recovery environment /dev/sda4 437407744 496001023 58593280 28G Linux filesystem /dev/sda5 496001024 500117503 4116480 2G EFI System /dev/sda6 435453952 437407743 1953792 954M Linux swap Partition table entries are not in disk order. The first three partitions are related to Windows, including Windows Boot Manager. Grub is installed in sda5. I am using UEFI.