Questions tagged [ubuntu-mate]

an official Ubuntu flavor using MATE Desktop

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Xrandr can't see more than one x screen with dual GPU video cards and 4 monitors

My original question was posted in the ubuntu mate community, but I guess here it will receive more attention: https://ubuntu-mate.community/t/dual-gpu-video-cards-with-4-monitors/24041/4 I struggle ...
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UM20.10 Raspberry Pi4B sound issues

I am running Raspberry Pi4B latest model 8 Gig Release 20.10 (Groovy Gorilla) 64-bit Kernel Linux 5.8.0-1021-raspi aarch64 MATE 1.24.1 I am continuously experiencing sound issues in different ...
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Where is a particular snap program located [duplicate]

I installed Opera and found it is a snap program. It's not listed in the Menu and a search for opera* found all kinds of listings. How can I find where it is installed? Thanks.
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Filesystem keeps getting corrupted

Foreword: filesystems setting: Ubuntu uses two partitions: / is on my SSD (partition /dev/sda5) /home/ is on my HDD (partition /dev/sdb2) Problem (chronologically): Read-only /home/: using my ...
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1answer
26 views

Change keyboard layout for login screen

I have changed my keyboard layout in my MATE session. However, when I log out (or reboot) amd try to log in again, the login screen still has the previous keyboard layout. How do I change the keyboard ...
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12 views

How to clear a highlighted window in taskbar?

In case a new window opens when you are working in an other window, the new window isn't brought to the front but is highlighted in the taskbar. The icon is shown in all work-spaces taskbar. How do I ...
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38 views

Can Windows Bootmgr load Ubuntu without needing a second reboot?

Note: In this question I am not asking if it is possible to dual boot Windows and Ubuntu. I have Windows 10 on an SSD in a DVD caddy (/dev/sdb) and Ubuntu mate on an HDD (/dev/sda). Both are Legacy ...
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10 views

already compiled libpng15.so.15 file

Is anyone aware of anyway I can download the already compiled libpng15.so.15 file? I am missing it for a specific application.
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Ubuntu Mate 20.04 keyboard layout panel indicator missing

After upgrade to 20.04 and resetting the panel settings I can no longer see the keyboard layout indicator on the panel. Not sure about exact steps to reproduce it. I suppose, you can remove the "...
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96 views

How is Bootabiiity Restored to an SD Card (Ubuntu-MATE / Raspberry Pi 4B)?

How is Bootability Restored (Repaired) to an SD Card; Raspberry Pi 4B, Ubuntu-Mate 20.04 I don't want to lose my files or customizations. The SD card for my Raspberry Pi 4B became un-bootable after ...
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How do I stop programs from closing when I right click them on the taskbar?

I'm using a laptop, and I keep accidentally right clicking on programs in the taskbar. As it's currently set up, when I right click an item on the taskbar, it closes that program. How do I change it ...
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118 views

Why does screen corrupt like this?

I have Ubuntu Mate 20.04 LTS installed on an external HDD and I boot from it via USB. The problem is that the screen gets so corrupted that it's almost unreadable. See picture: The screen's menu says ...
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Raspberry PI 4+Ubuntu Mate works with IR remote shield?

I have already tested my IR remote shield in a Raspberry PI 3B and works ok (with Raspbian + Lirc). Now I want to make it run in my raspberry pi 4 with Ubuntu Mate installed. Here is my uname -a : ...
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Ubuntu mate GUI not loading after installing NAS on Raspberry Pi

I had a Raspberry Pi and Ubuntu Mate running on that. One day I decided to attach a hard drive with that and convert that into a NAS. I completed the setup and I was able to access the NAS from my ...
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1answer
30 views

Ubuntu 20.04 Mate: Cannot acces data from external harddrive

I try to find out, how I can copy data from my external drive on my new computer... Ubuntu is very eager telling my, that I don't have permission, lol (it's my drive and my data...) I can access it, ...
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Lenovo ThinkPad E15 (AMD R7, Radeon) - Battery Problem

I've bought a brand new ThinkPad E15 a few days ago and unfortunately have to find that the battery is constantly empty. It even discharges when the notebook is in sleep mode. This morning, for ...
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Ubuntu-Mate 20.04.1 First Boot Hung on RPi 3

I am trying to install Ubuntu-Mate 20.04.1 (ubuntu-mate-20.04.1-desktop-armhf+raspi.img.xz) on my Pi 3, but the first boot hung shortly after completing resizing of the SD card partition 2 -- see ...
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4answers
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Shorter name for my home directory

I have 2 versions of Ubuntu-Mate, 18.04 and 20.04. This is my home directory for 20.04. /media/andy/81353260-b5a5-4b72-9fce-432e7c620fdc/home/andy/ # /etc/fstab: static file system information. # # ...
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How to set up Ubuntu Mate for suspension after inactivity?

I'm using Ubuntu Mate 20.04. In the settings, there is the option of putting the computer to sleep after inactivity, but not to suspend it (and putting it to sleep uses considerably more battery). Is ...
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1answer
33 views

MATE System Monitor does not display CPU usage correctly

I've noticed that the CPU usage display on Ubuntu MATE's built in system monitor (mate-system-monitor) does not display cpu usage correctly. The %CPU field appears to always display as all zeros (...
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1answer
99 views

Does Marco's compositor affect battery life and/or performance?

I am new to Ubuntu/Linux, so please bear with me. I am using Ubuntu MATE on a laptop, and I'd like to optimize battery life as much as I can. I noticed that the Marco window manager can be set to have ...
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1answer
40 views

Where desktop icon positions are saved in MATE?

I'm using Ubuntu MATE 20.04 LTS. There are a lot carefully aligned icons on my desktop. Something like shown below: I can't find icon positions attributes in dconf / gsettings. How can I backup their ...
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39 views

Taking screenshots is suddenly very slow

Lately, I have noticed that mate-screenshot has become very slow. I keep up with the 20.04 LTS updates, and I don't know what packages were updated recently that caused this. Interestingly, the ...
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1answer
20 views

Script does not execute when returning from sleep state

I have this in /usr/lib/pm-utils/sleep.d/ but it does not execute when returning from the sleep state. #!/bin/sh PATH=/usr/bin/:/usr/share/sounds/ case "$1" in resume|thaw) ...
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84 views

Ubuntu OS name changed to Elementary OS

I have been using Ubuntu MATE 20.04 with Kubuntu desktop environment installed on top. I installed Elementary desktop just to get a feel of it, i didn't like and then I tried to remove the PPAs and ...
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48 views

Is it possible to remove Debian 8 GRUB background from Ubuntu MATE 18.04 LTS?

I have two laptops upgraded to Ubuntu MATE 18.04 LTS. The first laptop was upgraded Ubuntu 10.04 LTS → 12.04 LTS → 14.04 LTS MATE → 16.04 LTS MATE and then to Ubuntu MATE 18.04 LTS. For some reason ...
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39 views

Change background for login screen for 18.04

I want to change the background for my login screen for 18.04. I tried to change my login screen background via modifying /usr/share/gnome-shell/theme/ubuntu.css but that file does not exist. I found ...
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17 views

Losing indicator applet complete from my panel

Sometimes I lose the indicator applet complete from my panel. I looked in syslog, but there is no entry showing it closing down. I need help diagnosing how to fix that problem.
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26 views

Passwordless login keyring not being unlocked upon login

In Ubuntu Mate 18.04 32 bit, when I inspect my Login keyring in Users and Groups ("seahorse") and hover over it it displays the description "A keyring that is automatically unlocked on ...
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1answer
46 views

Lost all desktop icons

I was cleaning my keys and I managed to lose all of my desktop icons. One of those keys was the space bar. I also can not add any new programs to the desktop. When I right click on the desktop, ...
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1answer
137 views

How to schedule task on Linux Desktop

How to schedule task on Ubuntu Mate 20.04 Desktop, to run bash script.sh once a day on Tu/We/Thu/Fri/Sat, after laptop startup? Note: I can run job once a day by Anacron on laptop starup: /etc/...
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Ubuntu Mate glitch in monitor

When using two monitors, I'm running into the following problem. Parts of a minimized or ignored window are leaking into the screen that isn't selected. So far, I've only noticed parts of Firefox ...
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2answers
60 views

Ubuntu keeps trying to execute text files in shared NTFS drive, forgets default application

Until recently, I was using Ubuntu Mate 14.04. Last week, I did a fresh install of Mate 20.04. I have a dual boot with Windows, and I use a shared partition between both OS's. The shared partition is ...
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1answer
41 views

Find location for the icon for software updater

I made a script to start software updater. Now I am trying to find the icon for it. However, my search found many such icons. Such as in /usr/share/icons/hicolor/ etc. How can I find the icon that ...
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68 views

Using Caja file manager on Ubuntu MATE, and every time i rename a file and push the right arrow key, i get moved back to the first file in the folder?

I'm renaming a lot of files, and anytime I finish typing the name and hit enter and right to go to the next file, I go back to the first file in the folder. Is this a bug? EDIT: Ubuntu 20.04.1, MATE 1....
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3answers
31 views

Keyboard shortcut to select full file name including extension

Is there a shortcut to select the full name of a file when copying or renaming using a graphical interface? F2 only select the file name excluding the extension.
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Need to manually boot linux vmlinuz casper from USB live pendrive

Hello sorry for the question title, I'll edit later On a damn Asus netbook model X205TA you can't boot the common USB live made with e.g. unetbootin or rufus GOAL: wipe the existing Windows 10 32bit ...
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2answers
41 views

MATE: How to show additional existing keyboard layouts?

In Ubuntu Mate 18.04.5 there exist keyboard layouts (in the files in /usr/share/X11/xkb/symbols) that I simply cannot Add in the GUI where I configure my keyboard (mate-keyboard-properties). The ...
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1answer
140 views

ubuntu is extremely laggy and choppy

so I restored and upgraded a 14 dollar dell laptop from 2008, and I installed ubuntu 16.04 and it ran fine, I had no WIFI, so I did some updates to 16.04 and it became really really laggy, loading up ...
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1answer
112 views

Not all updates can be installed

Every time I run software updater, Upgrade manager says not all updates can be installed and wants me to do a partial upgrade. I have tried sudo dpkg --configure -a and sudo apt-get update && ...
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26 views

Window decorations, e.g., the minimise, maximise and close buttons are oversized

Sometimes when I turn on my laptop the window decorations are blown, This only happens on/while connected to an external monitor whose resolution is lower than my laptop's which is 4K. I can fix it ...
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34 views

Is there an alternative to dispwin in 20.04.1 LTS?

I have read How to install colour profile screen device not listed I created an .icc profile using displaycal, but it had no effect, even after a full (re)boot of the system, 20.04.1 LTS . However, ...
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83 views

Restoring Plymouth/Splash screen for MATE 20.04

On MATE Bionic, I remember there is the screen with the MATE logo and the five dots. I kinda liked that. I upgraded to 20.04 after flashing 18.04 and now it is missing. I don't have problems in ...
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1answer
187 views

Unable to change desktop environment with Lightdm in Ubuntu 20.10

I just shifted to Ubuntu Mate 20.10. I prefer to use i3 as my window manager. However I am unable to login into i3 through lightdm! Even if I select i3 from the gear icon on the login screen, it keeps ...
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69 views

Mate Desktop freezes on login

I got a new laptop, and swapped my hard drive into it. it booted right up. when I log in with my typical user account, the screen goes black, and it eventually shuts down. I can log in via the ...
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93 views

VNC Very Slow on Headless Ubuntu MATE Until Monitor Connected, Then Speeds Up

I am having almost exactly the same issue running RealVNC on a headless system as mentioned in this post from earlier this year. I however am running Ubuntu MATE 20.04.1 LTS so the solution did not ...
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1answer
86 views

The first boot: Automate wizard and optimize

I have raspberry and Ubuntu Mate 20.04 (I could also use Ubuntu desktop for raspberry): I am wondering if there is a way to automate "the first run wizard"? The first boot will prompt end-...
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1answer
31 views

Thunar stopped working

Thunar has stopped working. I tried re-installing it. What can I check? andy@7_~/Downloads$ thunar /media/storagedrive/Ubuntu_Mate_18.04 Failed to register: Timeout was reached
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1answer
183 views

Trying to update python3.9 giving errors

What I've done : sudo add-apt-repository ppa:deadsnakes/ppa sudo apt update sudo apt install python3.9 sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.8 1 sudo update-...
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1answer
48 views

stable octave on MATE

I installed Octave on my RPi400 running 32-bit Ubuntu MATE for Raspberry Pi with the following commands, sudo apt-get update sudo apt-get install octave It installed fine the first time but flaked ...

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