Questions tagged [lubuntu]

Lubuntu is an official Ubuntu flavor. It and the default applications included use minimal resources. As of the 11.10 "Oneiric Ocelot" release, Lubuntu is an official Ubuntu derivative. Lubuntu uses the Openbox window manager. Until and including 18.04 "Bionic Beaver" Lubuntu used the LXDE desktop environment, but releases from 18.10 on use LXQt.

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Bluetooth connection (Bluez) not working after logout (works after restart)

I use LXQT in Lubuntu 18.10 and I have a problem with keeping the Bluetooth-speaker connected to the laptop after logging out and in. It works fine after reboot though. So, I have a solution that ...
user avatar
7 votes
1 answer
3k views

How to sign your kernel and bootloader?

How to sign your kernel and bootloader? How do I sign my kernel and bootloader? Update (04-Feb-2021) Don't think I made clear what it is that I'm trying to do. I want to do away with OEM keys and only ...
sxkx's user avatar
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7 votes
3 answers
2k views

How to implement a custom dead-key based keyboard layout?

I'm a workman user, and I've really grown to like the dead-key variant on osx. The idea of using 'dead' keys is based on assumption that pressing 2 easy keys is better than pressing 1 hard key. ...
tpv's user avatar
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7 votes
1 answer
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How to fix? Sound Juicer [...] Cannot access CD: The name :1.36 was not provided by any .service files

I copied a CD's tracks to an external hard drive after inputting the info into the musicbrainz database. Inserting the second disc of this 5-CD set, I encounter the error as shown in the screenshot: ...
Internet User's user avatar
7 votes
0 answers
2k views

LXPanel: Show active window title & close/min-max/restore buttons

IMPORTANT EDIT: I have now found out that these plug-ins are possible, but do not exist. I submitted a request on the LXDE SourceForge page here. They responded, saying they like the idea, but the ...
Juraj Fiala's user avatar
6 votes
1 answer
4k views

System refuses to suspend

Lubuntu 18.04 (lxde) here, upon AMD Epyc 7282. Kernel 4.15. The system is stable and works flawlessly, but id does refuse to suspend. If I try to suspend it, the screen blanks, but the system does ...
MadHatter's user avatar
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6 votes
0 answers
2k views

Error while trying to run spark shell

I have followed this manual to run spark on my Ubuntu 16.04. I have downloaded Spark 2.3, Java 9 and Scala 2.12.5. In my /.bashrc: export JAVA_HOME=/usr/local/java/jdk-9.0.1 export SPARK_HOME=/...
Ali Majed HA's user avatar
6 votes
0 answers
955 views

Volume OSD in Lubuntu

When I change volume, either with shortcut keys on keyboard or with mouse on system setting, how can I get a notification on screen showing the current audio level? Maybe I can use xfce volume OSD ? ...
Sadegh's user avatar
  • 1,105
6 votes
2 answers
2k views

Pomodoro timer for LXDE

It doesn't have to be a dedicated pomodoro app. Just a regular timer counting the time down will do. There are some requirements though - It has to… : … integrate with lxde panel. Either via being ...
vucalur's user avatar
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5 votes
0 answers
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No /usr/local/cuda/ directory after Cuda installation

I have installed Cuda with this command: $ sudo apt install nvidia-cuda-toolkit gcc-10 and then checked the version with: $ nvcc --version nvcc: NVIDIA (R) Cuda compiler driver Copyright (...
Adam's user avatar
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5 votes
1 answer
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Meaning of message `nouveau 0000:01:00.0: fb: trapped read at 0101400000 on channel -1`

What is the meaning of these messages in dmesg? [184608.460680] nouveau 0000:01:00.0: fb: trapped read at 0101400000 on channel -1 [3fee0000 unknown] engine 06 [BAR] client 08 [PFIFO_READ] subclient ...
pat rako's user avatar
5 votes
0 answers
1k views

"This is not a typewriter" error when trying to install Lubuntu

I am trying to install Lubuntu on a MSI 135DX notebook specs: 1GB RAM, 250GB HDD, Atom n455 CPU, 10" LED WSVGA screen. I have tried Lubuntu, Linux lite and Mint and they all have the same problem: ...
bart's user avatar
  • 51
5 votes
0 answers
3k views

Lubuntu 16.10 freezes when booting up

My machine is a Dell Mini Inspiron 1018 running on Intel GMA 3150 (old integrated graphics) and it crashes/freezes when booting up. I did a fresh install of Lubuntu 16.10 32-bit; it installed without ...
user637626's user avatar
5 votes
0 answers
1k views

Can suddenly only boot with "nomodeset" (radeon, 16.04)

As of yesterday, I can only boot with the kernel option nomodeset. The only thing that happened before normal shutdown was an upgrade: Start-Date: 2016-11-26 00:09:51 Commandline: apt-get -y dist-...
Anpan's user avatar
  • 151
5 votes
0 answers
2k views

How to change folder icons on pcmanfm panel

I'm using PCManFM on Lubuntu 14.04: As you can see, some personal folders on the Places panel have different icons. For example, Downloads or Videos folder. Using ctrl+d we can add another folders ...
Sigur's user avatar
  • 161
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0 answers
2k views

Lubuntu - xfce4-power-manager alternative

Can I uninstall xfce4-power-manager and set my suspend settings somewhere else? How would I be able to check my battery status? I would like to get rid of xfce4-power-manager because of my problems ...
Michał's user avatar
  • 71
5 votes
1 answer
750 views

Why does Lubuntu automatically reset my CPU into performance mode after a short time?

If I put the CPU mode into powersave or ondemand, it works for some time (5-10 minutes) but after that time Lubuntu automatically sets the CPU to performance mode. (I see it doing sudo cat /sys/...
user1050418's user avatar
4 votes
0 answers
125 views

Screen goes black after waking from suspend on Lubuntu 21.04

The screen of my laptop goes black when it wakes up from suspend. I don't think that the laptop freezes because I can do REISUB. I suppose it's a problem with the brightness, but I could be wrong. ...
user avatar
4 votes
0 answers
2k views

Cannot split .ape file with flacon

I have CDImage.ape and CDImage.cue files that I want to convert to separate FLAC files using flacon. Converting first with ffmpeg the .ape file to .flac and then splitting it with flacon and the ...
fricadelle's user avatar
4 votes
0 answers
561 views

Sleep laptop when power button is pressed in Lubuntu

I recently installed lubuntu in my laptop. Right now when i press the power button my laptop shuts down. What is want is, when i press the power button it should go to sleep mode and not shut down. I ...
Shivam Pokhriyal's user avatar
4 votes
0 answers
8k views

how to fix "log4cxx: Please initialize the log4cxx system properly."

I've been having issues with DaVinci Resolve. When starting I get the following error: log4cxx: No appender could be found for logger (UI). log4cxx: Please initialize the log4cxx system properlyhe ...
Braedon's user avatar
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4 votes
0 answers
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Vino on Lubuntu 16.04 - Problems

I have a new installation of Lubuntu 16.04, and want to install Vino on it. After installing, I can open vino-preferences and configure - but the vino server itself won't start. When attempting to ...
Jaws's user avatar
  • 61
4 votes
1 answer
340 views

Send keys to window with Openbox

I'm trying to make Openbox send the Alt+Tab key combination to TeamViewer using this: <keybind key="A-Tab"> <action name="If"> <title type="pattern">* - TeamViewer - *</title&...
sashoalm's user avatar
  • 5,131
4 votes
0 answers
379 views

Gedit's slow when there're unsaved changes

THE PROBLEM: I'm finding that gedit is working incredibly slow when there are unsaved changes. The mouse-pointer flickers and typing is painfully slow. PARTIAL FIXES: As soon as I save the changes I'...
SuddenMoustache's user avatar
4 votes
2 answers
9k views

Where is system settings in Lubuntu 14.04?

I need to get to the sound settings and change the output to HDMI. From the menu, bottom left, I can choose System Tools or Preferences but neither contains a link to sound settings, which apparently ...
buckarooba's user avatar
4 votes
0 answers
837 views

LS2208 barcode scanner

I have a computer running Lubuntu 14.04 with a Symbol LS2208 barcode scanner attached. It scans fine most of the time, but has an irregular problem scanning codabar barcodes in web apps. It will ...
user3005528's user avatar
4 votes
3 answers
2k views

How do I remove the "Switch Input Method" icon from my desktop?

There is a small icon in the corner of my screen in Lubuntu 12.04. It looks like this: The computer runs a display monitor and I need to remove the icon, I can drag it around including off the screen,...
user294998's user avatar
4 votes
0 answers
404 views

Mouse doesn't work in installation but does in LiveCD

I did a clean install of Lubuntu 14.04 64-bit on my laptop. After the install the mouse stopped working. When I boot into the LiveCD the mouse works as it should. I am using a USB mouse as the ...
Jason Smith's user avatar
4 votes
2 answers
31k views

Mounting and accessing Western Digital's MyCloud NAS

I have bought a Western Digital Mycloud disk. I did succeed to mount it under Lubuntu 13.10 by means of the following command: sudo mount -o soft,intr,rsize=8192,wsize=8192 <IP address>:/nfs /...
Hans's user avatar
  • 121
4 votes
0 answers
171 views

How I can bind keys for selecting language directly in Lubuntu 13.10?

I like to change keyboard bindings directly to language that I want to use. I use the following keyboard bindings to change keyboard layout in OS Windows7: Ctrl+1 for Russian, Ctrl+2 for Polish, Ctrl+...
Ziutek Kirelejson's user avatar
4 votes
1 answer
3k views

Set a static IP to lubuntu on VirtualBox

I am using lubuntu 13.04 on a VirtualBox with a briged adapter. I want to make the IP of my VM static, I looked up on how to do this and many results came up. I went on and edited the interfaces file ...
Bennyz's user avatar
  • 141
4 votes
0 answers
1k views

Command "xset dpms force on" after resume

I Use Lubuntu 13.04 and the LVDS Display only works if you use the "nomodeset" option is set in grub. (The VGA Display works without a problem...) After a resume i only can see on the LVDS Display ...
jokergermany.de.vu's user avatar
4 votes
0 answers
509 views

Wireless Problems After Resume

[Edit 3: Before you read all of this, I don't think this is a software issue anymore, so I'm not sure if there's a real solution that can be offered. I saw this video and read some of the comments. It ...
algebralives's user avatar
4 votes
0 answers
5k views

System won't boot when xorg.conf exists

Problem: I need to create a /etc/X11/xorg.conf file to get my graphics to work correctly, yet whenever I create one using Xorg -configure and place xorg.conf.new there, X won't start after a reboot. ...
daboross's user avatar
  • 2,153
4 votes
0 answers
3k views

Mouse cursor does not change appearance to indicate a program is launching

I am using Lubuntu 12.04 LTS. When I click on a icon to launch a program, be it from the start menu or from the panel, the mouse cursor does not change to a spinning circle (or anything else) to ...
Laurent's user avatar
  • 41
4 votes
0 answers
75 views

How can I have the applications listed on an application menu be invoked on a remote system?

I can invoke an application via a command line in a terminal emulator: $ ssh -X rome xeyes I can also invoke an application from a GUI application menu on a panel. I can have two GUI application ...
CW Holeman II's user avatar
4 votes
0 answers
617 views

How do I get the VT running X in my LXC container to my host?

I'm trying to run Lubuntu within an LXC container on my host already using a GUI. Is it possible to redirect the X output from the container to say; VT9 rather than VT7? If so where is the VT7 ...
user108168's user avatar
4 votes
0 answers
3k views

Mouse pointer/cursor disappears or doesn't show properly

I recently installed the new Lubuntu 12.10 but I'm having problems with mouse pointer image. When I start the OS everything works fine, but if I open some programs (for example Chromium) my cursor ...
Gary92's user avatar
  • 41
4 votes
2 answers
1k views

Update-manager fails silently on 14.04

I recently reinstalled a lubuntu from scratch, to upgrade to 14.04. Everything's working as expected, except for the update-manager that silently fails when trying to upgrade my system's packages. It ...
Pierre-Adrien's user avatar
4 votes
1 answer
1k views

lxsession-default tasks broken

Using Lubuntu. When I hit Ctrl-Alt-Del, it logs me out to the login screen. It's supposed to bring up the task manager. Turns out that "lxsession-default tasks" is the problem. I searched, and ...
Yan King Yin's user avatar
4 votes
4 answers
5k views

Unable to install Steam 64bit - Wrong architecture (Lubuntu 12.04)

I'm on a new install of Lubuntu 12.04 on an Acer Aspire 5534 (specifications here, tl;dr: AMD dual-core 64bit) trying to install steam_latest.deb from the Steam website. When I open gdebi to install, ...
Ian's user avatar
  • 41
3 votes
0 answers
135 views

Calculator with human readable notation, when it fits

I am using Galculator 2.1.4, a scientific calculator that came with Lubuntu (with LXQt desktop). Galculator shows small numbers in decimal scientific notation (1e-05) which I don't like. For numbers ...
hennep's user avatar
  • 173
3 votes
1 answer
765 views

Disable text message on boot

I would like to totally disable text messages on boot. I would like to see only the plymouth animation. I have this on my /etc/default/grub: GRUB_DEFAULT=0 GRUB_HIDDEN_TIMEOUT=0 ...
Mauro Mancini's user avatar
3 votes
0 answers
141 views

Remove Local Bookmarks in QTerminal

Is possible to remove Local Bookmarks in side panel in qterminal ? When entering to the preferences in qterminal (File->Preferences->Bookmarks) there is only possibility to add bookmarks. ...
pasman pasmański's user avatar
3 votes
1 answer
636 views

Is it possible to have a different background on mutliple displays-Lubuntu?

I am a casual Linux user here, so my knowledge is limited. The default Lubuntu background is stretching itself across both of my displays. I followed the directions to install stitchwp here: How to ...
Alan Smithee's user avatar
3 votes
0 answers
25k views

xRDP connection failed: login failed for display 0 + rejection

I will update info as I find out The problem I am using a recently installed Lubuntu 20.04.3, in an old PC. I mean to connect via xRDP from both Ubuntu (remmina) and Windows 10 PCs, and so far I ...
sancho.s ReinstateMonicaCellio's user avatar
3 votes
1 answer
104 views

Bash script runs more than one times. Dont know why

I have a really simple bash script which runs as cron job every minute. It makes a log to file. Everything works fine but there is one weird thing. The script make more than one logs at the same time. ...
Čamo's user avatar
  • 729
3 votes
0 answers
205 views

How do I edit `lubuntu-rc.xml` in Lubuntu 21.04 to change the mouse binding of specific actions from Alt to Super?

I want to change the mouse binding of the resize and drag actions for windows from using Alt to Super. I'm supposed to edit the file lubuntu-rc.xml, but when I try to, it says I don't have permission ...
user avatar
3 votes
0 answers
1k views

rfkill block wifi doesn't persist after a reboot

So I'm trying to find a way to permanently disable and enable the wifi adapter on demand. Now most questions regarding this here seem to have the problem of rfkill blocking their wifi by default and ...
Moff Kalast's user avatar
3 votes
1 answer
1k views

Lubuntu 20.04 - Super+Left shortcut is not functional where other direction work

I've went through this interesting thread: Lubuntu 19.10 & 20.04: How to tile windows? The window tiling section is missing in lxqt-rc.xml Lubuntu 19.10 & 20.04: How to tile windows? The ...
pyOliv's user avatar
  • 131

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