Latest Ubuntu related questions

Score: 0
Hamza Ben Cheikh avatar
How can I execute a command shotcut inside a command in terminal?
in flag

Does anybody know how can I execute a command shotcut inside a command ? For example, I have: alias cdp='cd /home/username' inside ~/.bashrc I want to execute: mv A cdp where A is a folder But it doesnt work, does anybody know how can I do that ?

Thank you !

Score: 0
Can't update the linux kernel with one that works
in flag

Since I've upgraded to 21.04, I am stuck on my old kernel version all new versions I tried result in Kernel panic

I'm currently running on 5.8.0-55

The versions I tried that fail to boot are the following: 5.11.0-18, 5.11.0-22, 5.12.13, 5.9.16, 5.8.5

I suspect this has something to do with my nvidia-driver, because since the upgrade I also have trouble with running Vulkan code, and my Display was not  ...

Score: 0
MajesticOl avatar
Where is the path for the java command defined in Ubuntu?
si flag

I am struggling to get my Ubuntu 20.04 to get to recognize the correct java version. I have set the correct environmental variable inside a shell script in /etc/profile.d/

My $JAVA_HOME output:

root@Ubuntu-2004-focal-64-minimal /etc/profile.d # echo $JAVA_HOME
/home/miw/java/jdk-15.0.2

.. this points to the correct java version i want to use! (15.0.2)

Furthermore i appended this home directory to my

Score: 0
No apps displayed after sleep on Wayland
ke flag

When my machine (intel NUC, Ubuntu 20.10) wakes up from sleep, I say the desktop in a darkened mode (as if when hitting the start button) and I have the task bar on the left. The menus work, but I cannot launch any apps (running ones or new ones). The only solution I have is to restart the computer/Wayland and lose my session.

I guess that this is a bug. Did anyone experience that?

Score: 0
evild4ve avatar
Does Ubuntu offer any client-side methods of limiting access to a server?
us flag

I have a home-media fileserver, to which I have connected a new user on Ubuntu 20.04 (via Samba). The file-server is a micro-PC doing the job of a NAS.

The new user is aged 9 and would like read permissions to a couple of folders of kids' videos, her own files, etc. I could just make her a local copy of them, but it would be nicer to find some way of limiting the access from the guest-side rather ...

Score: 0
SebMa avatar
Some Kwin effects not working in Kde5 and kcmshell5 says : Could not find module 'kcm_kwin_effects'. See kcmshell5 --list for the full list of modules
de flag

I'm using XUbuntu 18.04 LTS 32bits along with Kwin instead of xfwm4.

The Cover Switch and the Flip Switch effects are not working.

Moreover, the "Desktop Cube Animation" and "Desktop Cube" effects are not available in the systemsettings5/Desktop Behavior/Desktop Effects setting window :

systemsettings5/Desktop Behavior/Desktop Effects screenshot taken through ssh

Here's some info. :

$ pgrep -a kwin 
31882 kwin --replace
$ kcmshell5 kcm_kwin_effects
Could not find module 'k ...
Score: 0
collider20 avatar
Ubuntu Hanging Problem
cn flag

I dual boot ubuntu 18.04 and windows on a Lenovo V150 15IGM laptop. After updating it a week after it just hanged up so I have to shut it down with the power button.

On turning my Laptop on it brings a prompt for me to enter the password for my HDD and I've not even try putting any password to my HDD since I bought the Laptop.

Score: 1
Ubuntu 20.04 Physical display position does not saved after switching display mode
jp flag

I'm running Ubuntu 20.04 on Lenovo laptop with Lenovo dock station and external monitor. Dock station has built in video card which provides additional video output ports. Most of the time I use external monitor which is physically positioned on the left from laptop - so I configure this in display physical setup as shown below:

Display Mode - Join Displays - Physical display setup

Some times I need to switch to single display mode, and each time I do  ...

Score: 0
Humanx avatar
Cannot connect to USB removeable HD using Deja Dup for backup on a 20.04 install
ru flag

When I click "make a backup now" button, I get the following error message: "waiting for USB to become connected" It is already connected. Should I uninstall deja dup and reinstall it? Or am I missing something? The USB removable HD is a 250GB Seagate which I reformatted to FAT32.

Score: 5
Jochen Gebsattel avatar
ALT+TAB stops working after a while in Ubuntu 21.04
nl flag

After upgrading to Ubuntu 21.04 "hirsute", changing of program windows with ALT+TAB stops working. After a while I am not able to jump between programs.

Also the red dots in the favorites bar which shows that a program is open/active are not vanishing after closing / shutting down the program any more, at least for Thunderbird.

~$ cat /etc/lsb-release 
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=21.04
DISTRIB_C ...
Score: 0
Recover Ubuntu Hard Drive
gb flag

I rebooted my Ubuntu on a virtual machine by mistake during OS upgrade. Now it doesn't start from the hard drive, it shows Ubuntu logo and then stuck in a black screen. I booted from the CD. How can I access my hard drive to recover files? It is not seen in the list of devices, while "fdisk -l" shows it as /dev/sda and "fsck -N" shows it's filesystem type ask ext2.

Score: 1
Bob Ross avatar
Displaylink Laggy Displayport-screens in Ubuntu 20.04.2 TLS KDE Plasma Ryzen 4700u
in flag

When attaching my HP Probook 635 Aero G7 to a Displaylink HP USB-C/A Universal Dock G2 the attached monitors using Displayport are extremely laggy. The Laptop-Screen and HDMI-Display are fine.

System Information:

  • Kernel Version: Linux 5.8.0-59-generic
  • Processor: 8 processors, 8 cores, AMD Ryzen 7 4700U with Radeon Graphics
  • Linux Version: Description: Ubuntu 20.04.2 LTS

I have attempted to install t ...

Score: 0
henrique moura avatar
How to scan in a single channel using bluetooth
co flag

I'm trying to get more stable signals from my bluetooth tags, so I fixed them to advertise only on channel 37. However, I don't know how to do it in my bluetooth client, which is a raspberry. I saw some post that use GAP to change the channel mask to read on only one channel, but did not find the same option in linux.

Does anyone know where I can configure (or even change the source code in) the  ...

Score: 0
Have to receive WhatsApp message with old cell phone (no android phone)
cn flag

My android phone has had some problem, so I like to ask about how could receive my WhatsApp message by old cell phone like below: enter image description here I guess it could be done by installing some androids simulator on my Ubuntu 18.04 OS and inserting the activation SMS received form old cell phone.

So, I asked here for your solution and more comment to doing this job. Thanks.

Score: 0
J. Doe avatar
GIS software for corporate network management
cn flag

There are quite many softwares in the GIS family (Geographic information system) to plot geo related data on maps.

My question is here, which of them are more suited to map distributed corporate enterprise networks? (like through plugins and data interfaces to actual network management systems)

Score: 0
Zophiekat avatar
Blank screen after boot by messing xconfig
ru flag

I was trying to get the ability to oc my GPUs with coolbits, I succesfully managed to unlock the settings of gpu no1. so I tried these commands to enable it for both gpus, I dont remember the exact commands but they were something like this

sudo --nvidia-xconfig --enable-all-gpus

then

sudo --nvidia-xconfig --coolbits-12

doing these resulted in a blank screen after boot, did I somehow disabled displa ...

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