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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Php Server Monitor - Uncaught Error: Class 'DOMDocument' not found

I'm doing phpservermonitor's setup, I finished everything and supposedly it should be ready, but I get an error when I access http://my_localhost/phpservermon The error is Fatal error: Uncaught ...
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2 votes
1 answer
12k views

How do I change my login screen on lubuntu?

I am fairly new to Linux and Ubuntu and I'm trying Lubuntu out for the first time, I would like to know step-by-step how I would change the look and layout of my login screen. I've heard lightdm-gtk-...
Davey's user avatar
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2 votes
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Overriding a kernel module blacklisting that's reinstated during apt full-upgrade

On an old laptop with Lubuntu 18.04, I have sisfb working properly. It's not blacklisted at all and loads on boot. The problem is that sisfb is normally blacklisted in /lib/modprobe.d/fbdev-blacklist....
Chai T. Rex's user avatar
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Lubuntu crashes after connected to the wifi

so I am testing Lubuntu in an old laptop, and the system keeps crashing after I have connected to the wifi and launched Firefox. I am booting using a USB drive, and I have changed Linux config to ...
dean.d's user avatar
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lxde and internet connection lost after updating

I have a Lubuntu installed on my vmware it was run perfectly untill I updated it then I started to get the lxde xsession problem and I lost the gui but I can read my files from command line and I ...
shar's user avatar
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1 answer
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Laptop slow performance on battery power

I recently installed Ubuntu 19.04 on an HP ProBook 430 G3 and discovered the following issues. The battery won't charge when AC pluged-in until the level drops below 15% or less, sometimes even then I ...
Vlad Balmos's user avatar
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349 views

Why won't syndaemon start from /etc/rc5.d?

I'm trying to start syndaemon during boot so it's available from the login window. Nothing has worked, so I have evolved a more and more complicated attempt to try to get at what is going on. Here ...
Michael's user avatar
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Cannot Connect to Wired Connection (MacOS / Lubuntu dual boot on Mac Mini)

I have a Lubuntu installed on a Mac Mini with dual boot. $ uname -a Linux platolinux 4.15.0-47-generic #50-Ubuntu SMP Wed Mar 13 10:44:52 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux Wifi can connect ...
PlatoWright's user avatar
1 vote
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1k views

Ubuntu Freezing when idle

I have some Point of Sale computers I need to get linux working. I started with Lubuntu but it kept freezing when Idle. Next step was to try ubuntu desktop 18.04 but i am having the same freezing ...
user2379186's user avatar
10 votes
1 answer
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How to change display scaling settings in Lubuntu?

How to change display scaling settings in Lubuntu, so that the font, the icons and the buttons are bigger, similar to Mac OS X, in size?
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4 answers
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Networkmanager for Lubuntu 18.10 & 19.04 - how to enable mobile broadband

In previous iterations of Lubuntu, that is, pre-QT, the network manager had a GUI which made it deadsimple to install a mobile-broadband SIM card USB receiver, when you clicked the "edit connections" ...
emilBeBri's user avatar
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How to restore hardware functions on lubuntu after botched xrdp install?

I attempted to install xrdp onto my lubuntu laptop, and now when I boot into my lubuntu 18.04 desktop, I cannot interact in any way. However, this is only with the hardware on the actual laptop, in ...
o0Rh0mbus0o's user avatar
4 votes
1 answer
6k views

How to install Java 8 on Ubuntu 19.04 [duplicate]

I upgraded my system to the latest Ubuntu. However, it seems that it's shipped with java 11. I removed it because I need Java 8. However, it seems that Java 8 won't install on my system and I was ...
Nano's user avatar
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ubuntu 19.04 dock adaptive mode

04 ubuntu to 19.04. And my ADAPTIVE dock mode vanished, tried gsettings set org.gnome.shell.extensions.dash-to-dock transparency-mode 'ADAPTIVE' but it shows me The provided value is outside ...
Sergey Arenzon's user avatar
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48 views

Cant wake up after screen blacking

My computer seems to suspend when the screen timeout occurs, I can't move mouse to unlock it. So when the screen goes blacking out, I cannot get to lock screen immediately, but had to wait around 10 ...
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1 vote
1 answer
386 views

Finder-like File manager that displays thumbnails arbitrarily large and allows free movement

I'm looking for a file manager that will make it easier to match up photos. I have two sets of photos with different names, and I need to rename like photos with similar names. I have been using ...
Michael's user avatar
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How to launch PCmanFM-qt with [Super]+[E]

The Lubuntu manual says that [Super]+[E] is supposed to launch PCmanFM-qt, the default file manager for Lubuntu (for which I've just installed version 18.10). Reference: https://manual.lubuntu.me/2/2....
Geoffrey Wheeler's user avatar
1 vote
0 answers
111 views

Lubuntu 18.10 audio just disappeared

i'm new in Linux so i don't know so much about it, I had regular audio, but upon a few restarts, audio just dissapeared, i got windows installed too and there is normal audio, what can i do? Audio is ...
Deryon's user avatar
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8 votes
1 answer
2k views

Problem displaying pdf files after update to lubuntu 18.04

Recently I updated my lubuntu version from 16.04 to 18.04 and since then I have had issues displaying certain symbols pdf plots (using evince). The pdf file I am trying to display is the following: ...
W. Verbeke's user avatar
2 votes
0 answers
77 views

Unable to access settings of the BOINC manager

Whenever I try to access the settings of the BOINC manager (version 7.9.3(x64)), all I get is a grey box. How do I make the actual settings appear? I run it on Lubuntu 18.4.2 LTS.
glahn's user avatar
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Unable to install any software in Ubuntu because of this error

I am pretty new in Ubuntu, I am using Ubuntu 18.04 version. I was installing Odoo software but it was interrupted because of some dependency error, Now I am unable to install any software from Ubuntu ...
Tasaddaq Rana's user avatar
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1 answer
2k views

"systemctl status apache2" Failed to start the Apache HTTP Server

I'm using Ubuntu and I wanted to install apache2 so I could use php. I followed the instructions in this website: https://www.linode.com/docs/web-servers/lamp/install-lamp-stack-on-ubuntu-18-04/ ...
PAPARIPA's user avatar
1 vote
0 answers
169 views

cloning a file system from a crashing disk

I have a Lubuntu 16.04 32-bit, which is installed on a 320gb sata hdd. After some time of use, the hdd began to damage and I could not boot up properly from time to time. But always standard Lubuntu ...
oval's user avatar
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1 vote
0 answers
159 views

Screen resolution reverted to 800x600 after first software update on Lubuntu 18.04.2 LTS

I have just installed Lubuntu 18.04.2 LTS on my 9-yearold Acer Aspire 5630 laptop with Intel graphics.Screen resolution 1280x1024 was OK with Live CD and on installed OS until first Software Update ...
eianbro's user avatar
  • 31
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0 answers
446 views

Can't boot after lubuntu-desktop environment

I have two problems. Problem 1 : My old laptop is running Ubuntu 18.04 (Unity). I was trying other desktop environments like Gnome yesterday, and I wanted to try Lubuntu, so I installed it using this ...
MayKay's user avatar
  • 27
2 votes
0 answers
259 views

Lubuntu/Openbox does not recognize bash variable in lubuntu-rc.xml command

Here is an action I have added to lubuntu-rc.xml <!-- Reference files menu --> <keybind key="W-l"> <action name="Execute"> <command>eval "xterm -e links $HD/Reference/...
user985675's user avatar
0 votes
1 answer
2k views

sudo apt-get update shows unwanted sublime-text line every time

In Lubuntu 18.04.2 LTS, every time I run sudo apt-get update on the command line, there is a line displaying Hit:4 https://download.sublimetext.com apt/dev/ InRelease. shekhar@shekhar-desktop:~$ sudo ...
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1 answer
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How to remove broken PPAs using Terminal at once? [closed]

I have lots of broken PPAs that I like to get rid of, but since I have lots of PPAs in general, deleting them by hand is not an option. I want to somehow delete all broken PPAs at once. Thank you for ...
Farhood ET's user avatar
1 vote
1 answer
2k views

Screen goes dark after suspending or locking from Xfce logout menu

I know that there are multiple others questions about screen not turning on when waking computer from suspend, but I do believe my issue is different from the others. If I select Suspend from the ...
zrajm's user avatar
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1 vote
0 answers
148 views

Problems with installing Lubuntu on a Fedora laptop

I have Fedora installed on my laptop but want to switch to Lubuntu. My first problem is with deleting Fedora because I get an error if I try to wipe the disk during the installation of Lubuntu. I ...
NikolaJ's user avatar
  • 11
0 votes
1 answer
1k views

How to configure what starts when inserting a medium in Lubuntu / LXQt?

How can I configure what is executed under LXQt for a newly inserted medium? I would like the pcmanfm-qt file manager of LXQt to start in every case. Because the current behavior is useless and ...
tanius's user avatar
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1 vote
0 answers
246 views

How do I securely set up a public-facing remote access server on my home machine?

I want to access my home computer from my laptop over the internet. Both run Lubuntu. I'm sure this is a talked-to-death topic, but most guides I find seem to be incomplete and somewhat careless from ...
J. Paparas's user avatar
0 votes
0 answers
35 views

Trackpad not recognized

Booted lubunto 18.10 from a flashdrive, couldn't test anything because the the trackpad wasn't responding. Is there anything that can be done in this situation?
Guy D'Amico's user avatar
1 vote
2 answers
2k views

How to open .url shortcuts (from Windows) on Lubuntu

I have Dropbox shared with Windows PC's which contain some .url internet shortcuts. These do not open in Lubuntu. How can I open these from Lubuntu? Using the Opera browser on all platforms.
rdtsc's user avatar
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1 vote
0 answers
50 views

How do I get the internet to work?

I know this might be a bit of a duplicate but I cant figure it out, I'm running Lubuntu and im completely new to stuff like this, I can connect but I can't use it, and when I try to use the commands ...
Joker_n_HarleyQ's user avatar
1 vote
1 answer
583 views

Deep Learning Lubuntu vs. Ubuntu

I am a computer vision researcher, and I am trying to build lightweight programs so that they run quickly on lower-end CPUs. Anyways, I am utilizing a Raspberry Pi, and I would like to compare if ...
James Fang's user avatar
1 vote
1 answer
2k views

My networking service is not getting is failing in lubuntu

I have been trying to start networking service, but its not working. I am getting the below error.I tried many ways but none worked. root@cerberos:~# service networking restart Job for networking....
thelma lobo's user avatar
1 vote
0 answers
79 views

Powerbook G4 1.67 ghz won't sleep on lid close and won't wake from suspend

I have a Powerbook G4 running Lubuntu 16.04 (Which I am writing this on, it works quite well), but it won't sleep. When I close it, the Apple logo slowly dims, and then the screen turns off and ...
Menotdan's user avatar
3 votes
2 answers
23k views

How Do you Autologin in Lubuntu 18.10?

I'm not sure, but lightDM doesn't seem to work
Christian Gould's user avatar
0 votes
1 answer
180 views

How can I enable bluetooth at boot in Lubuntu 18.10?

I'd like to use my bluetooth mouse before login. Currently it only works after login. What I've tried: added rfkill unblock all to rc.local Udev rules Neither worked. Please help
Artemmm's user avatar
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0 answers
630 views

The lastest Lubuntu 16.04.6 alternate version is missing

As you can see here, there isn't a Lubuntu 16.04.6 alternate ISO for download. The last is lubuntu-16.04.1-alternate-i386.iso (2016-07-20), while there is a lubuntu-16.04.6-desktop-i386.iso (2019-02-...
Rodolfo FR's user avatar
0 votes
1 answer
699 views

Lubuntu 18.04 refuses to not dim the screen

I've set the power management, screensaver, and lock screen settings to all not lock or black out the screen after any period of time, yet I'm still having issues where the desktop will dim after ...
tommy61157's user avatar
2 votes
0 answers
72 views

Wifi holds for a few minutes and then drops or simply doesn't connect

I've been having issues with wifi dropping randomly. This wasn't a problem until around 2 months after I switched from Windows to Lubuntu. Now I'm even having issues with my wifi not connecting even ...
Nick White's user avatar
1 vote
0 answers
1k views

can not edit grub file, permission issue

I use to be IT during DOS age, but I admit LUBUNTU is beating me bad. During the installation of Lubuntu on my old Sony Vaio it did not recognized the touchpad nor my wireless logitech mouse, so I ...
Jacqueline Franco's user avatar
0 votes
1 answer
177 views

Only Second Screen installation lubuntu

i have an old (over 7 years) notebook that a friend of mine give me because the screen is broken. So i connect to another screen via hdmi and it's possible to use it. This pc run on windows 10 but it ...
Radamirez's user avatar
0 votes
0 answers
1k views

How to connect to wifi on Lubuntu

I am a Windows user, I installed Lubuntu in my old system since it has low RAM (1GB) . I cannot connect to wi-fi using 802.11n realtek dongle. In command window it shows device status:down. I do not ...
Semicolon's user avatar
0 votes
2 answers
460 views

Grant group traversal rights on a folder

I have a folder named Dog with these permissions: dr--r-- 2 rich boys 4096 What is the shell command for it
Ahhhhh's user avatar
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0 votes
0 answers
187 views

No default application is opening

I was recently looking for some ways to speed up my system and I installed lubuntu on top of my Ubuntu system. Since then none of my default apps are working. The terminal, Files Explorer and many ...
Aniruddh Agarwal's user avatar
0 votes
0 answers
240 views

Is Kubenetes related software automatically installed on Ubuntu?

I have since yesterday noticed that the top command has been showing kubelet, kube-apiserver, kube-controller and other Kubernetes related processes running on my computer. This is alarming me and ...
earth2jason's user avatar
1 vote
0 answers
731 views

Cannot Copy and Paste Files using CTRL+C and CTRL+V commands in Lubuntu File Manager

Starting from a few minutes ago, I cannot copy and paste files from some of my folders to the others. For example in this pic I wanted to copy a file from desktop and paste it in my home directory, ...
Farhood ET's user avatar

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