Score: 1
Penny Hughes avatar
I'm trying to create a bootable usb for ubuntu 20.04 on ubuntu 12.04
cn flag

I'm busy following this tutorial:

The installation was working until it asked for permission to install the bootloader

Should I let it install this? My plan is to use this 20.04 USB on a Windows 10 PC without changing windows itself

Thank You for any help

Score: 1
linux_newbie_please_be_kind avatar
Bluetooth Settings Issue After Updating?
ca flag

I've installed Ubuntu 21.04 in a dual boot configuration alongside an existing installation of Windows 10.

Since using it for about one week I've applied all offered official updates and then restarted.

I paired a set of bluetooth headphones in Ubuntu and then ever since a restart the 'Bluetooth Settings' window either does not load or crashes.

Is Ubuntu LTS more stable vs Ubuntu 21.04 for ba ...

Score: 0
Ileana Profeanu avatar
ADFS - Deny authorization to all groups from location
se flag

I want to restrict a domain and all its groups from being authorized by AD FS.

In the server, on AD FS manager, I managed to create a new Access Control Policy group, but I am not sure what to select in "Permit users... except.." so that any user from a specific domain is not authorized by the access control policy.

I can add individual groups, but is there something I could add so all users from t ...

Score: 1
Parzival avatar
What happens to new connections during nginx reload
us flag

When nginx reloads, The master process first checks the syntax validity, then tries to apply new configuration. If this succeeds, it starts new worker processes, and sends messages to old worker processes requesting them to shut down gracefully.

When does the master process send shutdown message to old worker processes - is it in parallel to creating new worker processes or only after new worker  ...

Score: 0
REZ amer avatar
Files not opening on desktop when double-clicked on them
us flag

I cant seem to be able to open files on the desktop when ever i double click on them but i can i view the file when manually searching for them in files

Score: 0
asdasasd avatar
“Unable to mount root fs on unknown block” for 20.04 while reboot or hibernate
cn flag

Last week, I had a boot loop because of %100 /var and freed some space and it was fixed.

/var/log has huge size because of snap

After fixing it (clearing /var), i hibernated the machine and today i tried to start it but it stayed at the hp logo.

Then i restarted via holding power.

It gave that error:

“Unable to mount root fs on unknown block”

So i went to advanced options and chose the oldest kernel ...

Score: 0
Azure Access control (IAM) roles - Reader vs Resource specific Reader
za flag

I can see it very clear from documentation, so asking this here does Azure IAM Reader role includes all that resource type specific Reader role or not exactly? For example if I take some resource, like Log Analytics Workspace - there I can assign both Reader and Log Analytics Workspace Reader, roles descriptions provided by documentation/Azure portal UI are the following:

Reader - The Reader role al ...

Score: 0
antimatter avatar
How to setup ssh public key for another machine without access?
pk flag

This might be a stupid question but I have to ask it anyway:
I already did setup an ssh public key for my client machine A. I copied the public key to the remote server, everything works fine, I can log in from machine A.

Now I also want to access that server from another machine and following best practices, I wanted to generate another key for client machine B, rather than using the key from machine  ...

Score: 0
John Doe avatar
Function wcwidth not found - python
cz flag

I installed wcwidth through pip on cygwin but I get this error when I try to run Ansible-playbook binary through powershell. Ansible-playbook binary works fine from cygwin but doesn't work from powershell

PS C:\> c:\cywing\bin\bash.exe /usr/bin/ansible-playbook
Traceback (most recent call last):
  File "/bin/ansible-playbook", line 64, in <module>
    from ansible.utils.display import Dis ...
Score: 0
Sun Bear avatar
How to do parallel snap install when an app requires `--classic` confinement?
cn flag

Having done $sudo snap set system experimental.parallel-instances=true and rebooting, I am able to do parallel snap install of multiple applications. For example:

$ sudo snap install zoom-client skype instagraph
2021-08-04T15:51:12+08:00 INFO Waiting for conflicting change in progress: conflicting slot snap snapd, task
zoom-client 5.7.4-28991.0726 from Oliver Grawert (ogra) installed
instagraph  ...
Score: 0
Russel Gene Samonte avatar
Can install ubuntu on my ssd via sata cable?
cn flag

Im replacing my laptop hard drive into ssd. And I was wondering if I can install ubuntu using a sata cable before inserting the ssd into the laptop so that i won't have to use a usb installation anymore.

Score: 0
ֆʊֆքɛռƈɛ avatar
Ubuntu 21.04 drivers updates not working, E: Sub-process /usr/bin/dpkg returned an error code (1)
hu flag

Its been a while since i have installed Ubuntu and after 4 weeks later i remembered that i didn't configure or install any driver manually. This happened because my touch pad was lagging a bit and didn't feel the same as it was before on Ubuntu. I tried finding drivers for my laptop[dell latitude e6420] on dell original site, but the thing is they have only got drivers till Ubuntu 10.04

I tried t ...

Score: 0
reducing activity avatar
Any CLI HTML validator running locally and detecting dead internal links
cn flag

I am looking for any HTML validator that fullfils following requirement

  • runs locally on a local files (without internet connectivity)
  • detects dead internal links
  • does not detect working links as invalid
  • runs in a command line

I am looking for a tool that would detect <a href="nonexisting_local_file.html> <img src=not_existing_file.png> and so on.

Score: 0
Casper avatar
How do I download RTL8821CE dependencies, install on main machine and install the driver?
fr flag

I purchased my new laptop a few days ago and currently I am setting everything up, I already have Ubuntu 20.04 running but I need to install the network driver for the RTL8821CE. I don’t have an ethernet port on my laptop. Is there A way I am able to download bc, build-essential, dkms and module-assistant and all its dependencies as .deb files and then install the prebuilt driver?

Score: 1
danone avatar
spawn-fcgi doesn't start automatically even though has root permission Centos 7
br flag

I have very strange problem I don't know how to solve this. I have spawn-fcgi service only starts if I manually start as root but not with on boot

systemctl enable spawn-cgi gives me this information I don't know if this error message or just information

[root@www ~]# systemctl enable spawn-fcgi spawn-fcgi.service is not a native service, redirecting to /sbin/chkconfig. Executing /sbin/chkconfig sp ...

Score: 0
Kirby-1989 avatar
file /var/log/clamav/freshclam.log dissapears
cn flag

I use Kubuntu 21.04 KDE Plasma. when running freshclam in terminal and sudo dpkg-reconfigure clamav-freshclam clamav updates virus databases . However, after shut down laptop file it is necessary to : sudo touch /var/log/clamav/freshclam.log

How to keep this file always?

Score: 1
Davitpetrosyan avatar
It doesn't react to wi-fi
ph flag

Cannot connect to wifi, while all networks are available. When I tap on any of them, just nothing happens. Also in settings of networks I was connected, password doesn't shown. Problem isn't with wifi, cause smartphone and other computers are connected to them

Score: 0
Regarding freeradius rlm_rest module configuration to authenticate user from elasticsearch
tf flag

I'm trying to authenticate user using rest module in freeradius, user data is stored in elasticsearch database.

testing using: < radtest -x chandanbr 008627 localhost 0 testing123 >

i'm getting access-accept for all time, if i enter wrong password and user name im getting accept only,

please help me how to do configuration for authenticate user in freeradius with elasticsearch.

configuration ...

Score: 1
JamDiveBuddy avatar
How to determine whether a point is greater than n/2?
cn flag

How can we determine if a private key associated with a point, on an EC, is less than or greater than 1/2 $n$, where $n$ is the order?

Score: 0
Can't start ubuntu 20.04 after update command
us flag

Ubuntu LTS installed on my laptop and working fine till yesterday. Today i just run apt-get update and apt-get upgrade than after ubuntu not start at boot time. (just showing laptop company logo)

I try to format with new Ubuntu 20.04.2 which is working fine. but when i run below two commands same problem fetch (install ubuntu with minimal installation and without install any extra software) ...

Score: 0
Bassel El Garaihy avatar
Can't find option to switch between RST and AHCI
lk flag

So I have an HP OMEN 15-dc0xxx and was trying to dual boot Ubuntu 20.04 alongside Windows. Almost all guidelines I have seen on the subject mention switching controller mode to AHCI, but I can't find it anywhere in BIOS! I also have optane but I disabled it beforehand, and still can't find controller mode.

Screenshot of the Sub menu in bios labeled Intel RST

Score: 2
solveit avatar
how to delete the grepped iptables
np flag

I am trying to delete all iptables created by calico in my k3s setup. I am using calico-script to delete but after running this script some cali- iptables I can see in iptables -S output, I want to delete them all

I can see iptables with cali- under iptables -S

 root@Ubuntu-18-VM:~# iptables -S  | grep -e 'cali-'
    cali-from-hep-forwar ...
Score: 1
solveit avatar
How to delete the grepped iptables
ar flag

I have iptables starting from cali-

 root@Ubuntu-18-VM:~# iptables -S | grep -oP '(?<!^:)cali-[^ ]+'
    cali-pri-_CV ...
Score: 0
Haowen Liu avatar
/boot/efi running out of space
it flag

I'm on Ubuntu 20.04 and my /boot/efi partition is running out of space. It's weird because my EFI partition is 512M large and my /boot/efi is less than 100MB. Below are the details:


$ fdisk -l
Disk /dev/nvme0n1: 476.96 GiB, 512110190592 bytes, 1000215216 sectors
Disk model: Samsung SSD 960 PRO 512GB               
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes  ...
Score: 2
dmx avatar
sshfs is mounted, but no file shared?
cn flag

I am having some issue with sshfs. It used to work in the same condition. I mount Downloads directory from my desktop to my laptop.

Now when I try to do it, everything seems to work fine, except no file/dir is visible in the mointpoint directory.

I use the following command to mount:

sshfs desktopuser@xx.xx.xx.xx:/home/laptopuser/Downloads  /home/laptopuser/mnt/mnt

When I cat /proc/mounts, I get this ...

Score: 0
Goutham avatar
Persistent boot issue (Initramfs)
br flag

I am currently running Ubuntu 16.04 in my pc, and almost everytime the computer boots up, the control drops to the initramfs shell. I understand that this is because my ext4 drive is corrupt, and apply the fix that was mentioned in multiple help forums : run fsck -f /dev/sdaX

The computer boots up perfectly fine after this, but once again the issue is back to haunt me at the very next bootup. What c ...

Score: 1
jake avatar
Libre Writer showing only blank icons, how to get the file menu (and tools to change setting)
in flag

I recently opened Libre Write (LibreOffice), and noticed that the entire top bar is just a set of icons. I can get to a more contextual menu by right clicking the top bar, but "file", "tools", "settings" are all missing, doesn't seem to be a way to change the top bar to not be icons.

How would I go about changing this to contain a context menu?

Picture of image

Score: 0
Sabir Saleem avatar
Is it safe to install Ubuntu from a bootable USB made on pirated Windows 7?
cn flag

I found out that I was using a pirated version of Windows 7, so I migrated to Linux OS by downloading an .ISO file and making a USB bootable via Rufus.

People says that using pirated versions is risky because they may have malware and viruses that can automatically be saved in files and folders so I'm not sure that is it safe and legal to install Linux from a pirated version of Windows does infec ...

Score: 2
jhnc avatar
correct way to access node-revision change property in twig
cn flag

I have a Drupal 8.9.17 website. My theme (based on Garland) includes in templates/page.html.twig:

{% if node %}
Last updated {{ node.changed.value|format_date('custom', 'D M d Y') }}
{% endif %}

This displays the property when viewing nodes at: /node/<nid>

However, when attempting to view revisions at /node/<nid>/revisions/<vid>/view, format_date() fails with "null times ...

Score: 0
Parthasarathi Patra avatar
Volume At 100% But Sound Is Low and No Depthness in Audio in Ubuntu 20.04
in flag

My name is Parthasarathi Patra and I just installed Ubuntu 20.04.02 LTS yesterday and I am a bit new user to linux . My sound is set to 100% but sound is not deep & it sounds very low . I have tried Over amplification , alsamixer , pulseaudio ,pavucontrol but none solved this problem on my laptop . I want a good quality audio on my pc . I was using windows 10 earlier , the speaker was able to ...

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