All Questions
412,330
questions
0
votes
0
answers
11
views
Problem regarding passing a function to child process in Linux shell
I'm doing the Shellshock lab, the tutorial gives an approach to pass a function to child process by environment variable:
$ foo='() { echo "hello"; }'
$ export foo
$ /bin/bash
$ foo
hello
...
0
votes
0
answers
7
views
No-network/Wlan Connection in 22.04 after upgrading
After Upgrading from 20.04 up to 22.04 there is no more network-connection. What can I do?
- 1
0
votes
0
answers
11
views
can't have multiple login screen
I am trying to use Ubuntu 22.04 on a PC and multiple X terminal (vcxsrv on window)
XDMCP and X-11 works but i can't have multiple greeter running at the same time :
Until i login on the server screen,...
0
votes
0
answers
14
views
Help with Ubuntu installation - getting the "System program problem detected" error
I failed during an attempt to reinstall Ubuntu 23.10 Desktop (which was installed on my Acer Aspire laptop alongside Windows 11). I had problems with the reinstallation, so I decided to delete the ...
- 11
0
votes
0
answers
15
views
After upgrading to Ubuntu 22.04, new icon with encrypted SSD
I recently upgraded from 20 to 22. I suddenly have an icon on my left bar which says SSD and a lock on it.
When I click it, it asks me for a password for an encrypted drive. It says there 91 GB of ...
- 101
0
votes
0
answers
6
views
supported authentication methods available (server sent: publickey)
I received admin user credentials to Ubuntu server, but when i try to ssh to it i get "FATAL ERROR: No supported authentication methods available (server sent: publickey)".
the command that ...
- 1
0
votes
0
answers
17
views
How to delete LXC container data
I need help deleting data from LXC container disk. I was wondering what command can be used to delete a disk partition?
0
votes
0
answers
11
views
Limit maximum concurrent ssh connections per user does not work when shell is /sbin/nologin
I have a Centos 7 server and when I limit the maximum connections per user using the config file /etc/security/limits.conf it works just fine. See below an example of my configuration in that file:
@...
0
votes
1
answer
15
views
My screen has turned violet and I can't login
Suddenly my ubuntu machine changed its login page and it is now violet asking me for my password. However there is no response to my keyboard or mouse.
The PC is stuck
I can login remotely from ...
- 435
0
votes
0
answers
14
views
Ubuntu-20.04 [ end Kernel panic = not syncing: Attempted to kill init! exitcode=0x00000100 ]
first I will upload a picture right after the kernel panic appears.
enter image description here
This symptom occurred after upgrading to Java 1.10 while using Java 1.8 and rebooting.
Is there a way ...
- 1
0
votes
0
answers
17
views
Cannot create a virtual host for local ip address
I am running a GitLab instance on my local machine in http://127.0.0.1:180/ IP address. However, I would like to access to Gitlab by gitlab.local. To do so, I edited the /etc/hosts file as follows
127....
- 13
0
votes
1
answer
32
views
Ubuntu not booting properly at all
Today i tried booting my Ubuntu, but it seems like its not able to finish the boot process properly. In GRUB, when i select my kernel version it starts booting as usual but after a few seconds it ...
0
votes
0
answers
21
views
How can we achieve file monitoring in Linux specifically using C language?
I'm looking for libraries which can monitor files/dir in Linux.Will be good if we can print pid(s) of processes that have associated open file handles/descriptors, path (like /home/user/abc.txt was ...
- 1
0
votes
0
answers
24
views
Cannot access any service running on ubuntu server including SSH
Problem: I'm unable to access any service running on by Ubuntu 22.04, including SSH. This server has been running for months without any issues. It currently hosts a frontend as well as 3 different ...
0
votes
1
answer
39
views
The "-y" flag in apt-get command
Running apt-get with the "-y" flag helps to run the command without waiting for user input. This is good when trying to run automated script.
However add-apt-repository ppa:vbernat/haproxy-2....
0
votes
0
answers
35
views
ubuntu kernel panic and Problems
problem:
[0.146408] x86/cpu: UMX (outside TXT) disabled by BIOS
[0.1464111] x86/cpu: SGX disabled by BIOS.
/dev/sda6: clean, 1303675/7913472 files, 28367522/31622144 blocks
run-init: can't execute '/...
-1
votes
0
answers
31
views
Samba access issues on Ubuntu Desktop
I'm new with Linux and definitely not good with network configuration. I have a PC with Windows, which I use to play, another with Ubuntu Desktop, that I use to study and to do other stuff and another ...
-1
votes
0
answers
14
views
AMD GPU driver install - dependency errors
I'm getting these errors:
$ amdgpu-install
Hit:1 http://dl.google.com/linux/chrome/deb stable InRelease
Hit:2 http://us.archive.ubuntu.com/ubuntu jammy InRelease ...
- 123
-1
votes
1
answer
32
views
How to add multiple domains to my dns server?
I'm trying to figure out how can I add other domains to my DNS server, as I fallowed this tutorial:
https://tecadmin.net/configure-dns-server-on-ubuntu-linuxmint/
Can anyone explain and show me how to ...
- 1
-2
votes
0
answers
19
views
Router changing default gateway when creating a DNS
Im new to ubuntu and Linux for that matter. But I manged to make some VM via proxmox. Cloud server , gaming server, plex and so on. I was tired to typing all the ip addreses and wanted to creat a vm ...
-1
votes
0
answers
17
views
How do I get graphical desktop applications to properly run inside of a network namespace?
I've created a network namespace on Ubuntu for connecting certain apps to a VPN server without having to connect my entire machine because it itself is a VPN, SMB, DNS, and plex media server. I can ...
- 1
-2
votes
0
answers
15
views
Trouble with HP ink Tank 415 HPLIP installation
I have installed HPLIP "HPLIP-3.23.3 version was installed on 23-11-2023" several times. I have downloaded the plugin "hplip-3.23.8-plugin.run" in different versions. I had to ...
- 1
-1
votes
0
answers
35
views
moving file from ssd to usb stick doesn't free up space on ssd
On Ubuntu 22.04 I have an 500 gig ssd. I remove files and don't see any reclaimed space on ssd. I even moved a 3.8 gig file from ssd to usb stick. Doesn't show in dolphin anymore which I expect but ...
- 1
-1
votes
0
answers
16
views
Quectel EM160R WWAN not working properly
I have a Lenovo Thinkpad P15s, and I've just bought a Quectel EM160R WWAN module.
I found a script which I read it's necessary to get it work. After I run the script, WWAN is working, but very ...
-2
votes
0
answers
29
views
Arturia KeyLab 88 MKII & Rosegaden
I have just purchased an Arturia KeyLab 88 MKII and am using Ubuntu Mate 22.04. I would like to know if anyone else is doing/has done the same and what I must know (terminal commands including timidi -...
- 312
-1
votes
0
answers
22
views
Open a text file with Maximum or Full Screen via Command Prompt
I have a text file at /home/myUser/Documents/myFile.txt
When I open this file by double-clickin on it, it open at maximum and span the entire screen.
However, when I use terminal to open the file, ...
- 23
-1
votes
2
answers
55
views
How to manually create your own nameservers and manage multiple domains(without the help of control web panels) [closed]
I would like to know how to create your own name servers and manage them on your own ubuntu server(so they will no longer be configured on the domain registrar panel).
Like, for example, I would take ...
- 1
-2
votes
0
answers
52
views
Am I being hacked? If so, how do I repair ownership?
Since last week I have only reading rights on files and directories in the Ubuntu partitions. It seems the rights of all files and dirs have been changed ownership to user "root" and group ¨...
-1
votes
1
answer
31
views
Is there a REALLY lightweight gnome extension for old computers, that shows all critical information like IOWait, CPU%, Swap, RAM%?
Is there a REALLY lightweight gnome extension for old computers, that shows all critical information like IOWait, CPU%, Swap, RAM% ?
The problem is: fancy gnome extensions causing problems with input ...
-1
votes
0
answers
29
views
ubuntu VM is not fully started today?
I have an ubuntu 20.04 VM installed on ESXI 6.7, and during our last weekend routing lab maintenance, the ESXI box was powered off, and the VM was shutdown.
But when I was to have the VM restarted ...
- 121
0
votes
1
answer
25
views
How to connect to Apache2 server. Ubuntu 22.04.3 LTS
I set up a .conf file and loaded it into the sites-available directory. ran a2ensite and restarted Apache with no errors. When I try to load the domain name I gave in the .conf files on a browser, I ...
-1
votes
0
answers
22
views
how to ask login/password for Kubuntu after screensave/sleepmode
I am using the latest Kubuntu system.
and if I return from sleep mode or screensave it boots direct into the system
I want to ask for password. how do i do this?
- 1
-1
votes
0
answers
9
views
Chromium (PPA) not remembering passwords
How do you make Chromium (from PPA) remember passwords?
It used to "just work" in prior version of Ubuntu. Then I upgraded to 20.04 and found all my Chromium profiles were gone because the ...
- 6,343
-1
votes
0
answers
23
views
Mouse misbehaving in lubuntu while it was working fine in windows 7
My Dell N-5030 PC is encountering issues with the mouse in Lubuntu, despite its smooth functionality on Windows 7. I've already attempted driver updates through the terminal using commands like "...
-1
votes
0
answers
43
views
Ubuntu 22.04 asking for password to uninstall/update/install apps [duplicate]
I just installed Ubuntu 22.04. My only issue with it so far is that it asks for my password all the time, as per the title. Is there some way to stop this behavior, or at least tone it down? I'd ...
- 1
-1
votes
1
answer
18
views
I can't turn off dropbox autostart
Dropbox keeps automatically starting on my Ubuntu system, and I can't turn it off. It is installed directly in my home directory (not via Snap or APT).
Dropbox starts automatically upon system boot, ...
- 111
-1
votes
0
answers
33
views
UDP 53 not working
I have a small issue. I have a virtual server with Ubuntu Server 20.04.6, and I've installed a DNS server on it. However, it doesn't respond on UDP port 53. It only responds if I use the command "...
- 1
-1
votes
0
answers
15
views
Failed While Try to Connect to Firebird Database Using firebirdsql
I work for a Python script under Ubuntu, that shall fetch data from the Firebrid databases. I use a firebirdsql module to process databases. When I try either to connect to an existing database or to ...
-1
votes
0
answers
36
views
fclose() works on local Ubuntu but segfaults in the cloud
I call a C program to memory map files. This routine is compiled to a shared object and linked into the main program. Its only function is to create a memory mapping:
#define _GNU_SOURCE
#define ...
- 235
0
votes
0
answers
49
views
Where can I find the list of dummy apt packages which actually install snap? [duplicate]
Does Ubuntu publish a list of packages which are the snap package in pulled in when one installs a dummy APT package?
I know that Chromium (20.04+) and Firefox (22.04+) are among them. Is there ...
- 26.9k
-1
votes
0
answers
23
views
Ubuntu 22.04 nautilus showing loading message
I had copied some files from USB drive A to USB drive B and then moved some more files within USB B. Then renamed those files in USB B, using rename perl utility. After all this when I went up the ...
- 99
-1
votes
0
answers
10
views
No Audio on HP x360 15-ey0xxx
I have an HP EnvyX360 2-1 15-ey0xxx with Bang & Olufsen speakers. I just installed Linux Ubuntu 22.04.3 LTS (Dual Boot)on it. Everything installed fine from what I could tell.
My speakers don’t ...
-1
votes
0
answers
23
views
Can Ubuntu remote access behind CGNAT?
Remote access on the home network used to work with Ubuntu's VNC and Remmina on a remote laptop.
However the ISP's CGNAT stops it working.
From reading, a VPN or tunnel might be needed?
Is there an ...
- 47
1
vote
1
answer
118
views
How to install CD burning on 24.04 [closed]
Ubuntu 24.04 does not have any software that will burn a audio CD.
There is no software centre to install from.
Many of the apps that come with Ububtu 24.04 have lost the three button top left, close, ...
- 35
-1
votes
0
answers
20
views
Desktop freezes since upgrade to 23.10
Since I updated from 23.04 to 23.10 last week, my computer freezes several times a day.
The upgrade process took place normally without any error, using the do-release-upgrade command.
I use the KDE ...
- 119
-1
votes
0
answers
20
views
How to show Grub menu on boot
I have two ssd on my laptop, windows is installed in my main drive and my second drive is my ubuntu. when I installed ubuntu I remove my main drive to prevent deleting any files.
Then after installing ...
- 1
-1
votes
0
answers
15
views
Dell Inspirion External Ultrawide Monitor (HDMI) Limited Resolution at 1920 x 1200
There are numerous reports from owners of certain Dell laptop models who are unable to operate ultrawide external monitors at their full resolution via HDMI output. In such cases, the resolution is ...
-1
votes
0
answers
33
views
Can't open web browser on VNC connection
I am running tightvnc on ubuntu 22.04.3 LTS i have SSH access to my server and launch vncserver manually from there which is fine.
However when I connect to the vnc desktop everything works fine, ...
-1
votes
0
answers
31
views
how to disable first-boot ssh init info?
Using kvm to install the image of ubuntu20.04server-amd64, and then using cloudinit to automate the installation, the default output to the terminal on the first startup after the installation was ...
-2
votes
0
answers
17
views
How does conman vpn work, How can i use it to access internet?
I am new to linux and have no experience with Conman vpn. I have downloaded connman-vpn through sudo nala install conman-vpn. But now can't access it. How can i use it.
