Latest Ubuntu related questions

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Dan avatar
has anyone installed ubuntu on M.2 PCIe NVME Gen 4x4 Class 40 2280 Solid State Drive - 2TB internal hard drive
us flag
Dan

has anyone installed ubuntu 20.04 on M.2 PCIe NVME Gen 4x4 Class 40 2280 Solid State Drive - 2TB internal hard drive

Score: 0
Hunter Regan avatar
Sound issue with ubuntu 21.04
ru flag

I am using ubuntu 21.04 and I am having issues with my audio. It will only play through the built in speakers on my monitor. I want it to play through my headset but even when it is selected in settings it will still play through my built in monitor speakers. Any ideas on how to fix?

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agallenSMX avatar
Virtual serial ports not working as expected in Ubuntu 20.04
cn flag

I have a C++ app that receives data from an external board via serial over USB 2.0, written and tested on a system running Ubuntu 18.04. The same app does not work properly on a 20.04 system. The serial port is opened and some data comes through, but after receiving a few KB, the serial buffer no longer receives any data. I went back to the 18.04 system in case I had broken my app, but the same version  ...

Score: 1
How could I enable hibernation on a Dell Inspiron 5548 running ubuntu focal?
cn flag

I'm running Ubuntu Focal and I have 15gigs of Ram and 20G of swap space.

Partition: ID-1: / size: 437.52 GiB used: 47.14 GiB (10.8%) fs: ext4 dev: /dev/sda5 
       ID-2: swap-1 size: 19.53 GiB used: 0 KiB (0.0%) fs: swap dev: /dev/sda6 

I've tried adding acpi=noirq to my grub boot options but it didn't work and it ended up disabling my keyboard.

When I type sudo pm-hibernate and turn the computer back o ...

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user1394453 avatar
My printer driver is detected and the scanner is working but the printer is not working
de flag

I have recently migrated from windows 10 to ubuntu 21.04, I am new to linux but I migrated here because I wanted a more secure and privacy oriented operating system. It has been a smooth experience so far, every thing is working fine, I am all set up except for the printer. My printer is RICHO SP 112SU it has been working fine on windows, Here is the windows driver https://support.ricoh.com/bb/html/ ...

Score: 1
Sidewyz1 avatar
DNS broken after VPN app install 20.04
gb flag

Total newb here. Working on a fresh install of 20.04 on a MSI GS65 dual booting with windows.

I installed an app from a VPN provider and all worked fine until I rebooted... No DNS functions. I could ping/dig 8.8.8.8 but not www.yahoo.com. I purged VPN app.

syslog > systemd-resolved: Using degraded feature set for DNS server ::1.

/etc/resolv.conf

127.0.0.53

/etc/systemd/resolved.conf

dns=8.8.8.8

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MucaP avatar
Network unreachable, stuck on 169.254
cn flag

I changes ISPs yesterday and every device seems to function normally, except for my Ubuntu computer. The router is dual-band (2.4 and 5ghz), but the access points have different names.

When I connect to either access point, I'm online for a few seconds until most websites (some exceptions: Google, part of Outlook) become unreachable (ERR_ADDRESS_UNREACHABLE on Chrome).

The wireless adpater is a QCA6 ...

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AtomicJay avatar
White Screen When Rebooting After Installing 21.04 On 2010 Macbook Air
nl flag

I'm new to Ubuntu (and Linux in general), and I'm trying to install 21.04 on a 2010 Macbook Air from a USB. When I restarted it after I went through the installation process (wiping the disk in the process), I was left with a white screen. It also leaves me with a white screen after I power it off and back on again. I can't go into recovery mode or safe mode, and the only thing I can do is hold option/a ...

Score: 1
sub avatar
How to fix Ubuntu showing only one core?
gp flag
sub

I have installed Ubuntu after long struggle. The complete details is available in below link.

https://ubuntuforums.org/showthread.php?t=2465857

Now I am facing issue with only one core and one CPU. so the system is ultimate slow.

I have tried below options, but no luck

  1. adding only pci=nocrs, system not booting.
  2. adding acpi=off pci=nocrs, same result
  3. adding acpi=ht, system not booting.

Screenshot for ref ...

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Belushi avatar
How to auto-unmount a cifs share if I shut down / reboot / suspend my computer?
cn flag

I would like to auto-unmount a samba (cifs) share before suspend or shutdown my computer.

The problem is that when a reboot or shutdown or suspend is done, and if a cifs share is open, the network access is terminated before the CIFS filesystems are unmounted. This produces a huge delay as each share must wait for it's umount request to time out (1.5 minute). Moreover the computer actually can't  ...

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NorrinRadd avatar
Ubuntu 20.04.2 LTS red screen flickering after sleep - Nvidia GeForce GTX 680
in flag

I am a novice user on Ubuntu. I have installed Ubuntu 20.04 on my old desktop pc with an Intel® Core™ i7-3770K CPU @ 3.50GHz × 8 and Nvidia GeForce GTX 680. When the Computer wakes from sleep i have red flickering lines around the window edges.

I let the normal gui installer run and closed the Program. Later on i installed the NVIDIA driver i thought were appropriate via:

sudo apt install nvidia-d ...
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robotsfoundme avatar
how to grep with multiple strings to find
es flag

I understand how to use grep in the simple form:

<command that spits out text> | grep "text to find"

I would like to be able to grep multiple different bits of text all at once. How do I do that? Is grep the correct command to do this?

Example

I run arp-scan and I get a list of devices and their mac addresses. I want to search for the presence of multiple unique mac address strings. If I on ...

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cgullixson avatar
auto updates to kernel 5.11.0-25 and 5.11.0-27 fail
fr flag

The system is an old HP with an Nvidia graphics card. The last two kernel updates mentioned in the title have failed to build in the last week.

The problem appears to be with building nvidia-340-340.108 for the kernel. The make log:

make[1]: Entering directory '/usr/src/linux-headers-5.11.0-27-generic'
test -e include/generated/autoconf.h -a -e include/config/auto.conf || (    
    \
echo >&2; ...
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Timroin avatar
My mic wont work on ubuntu
cn flag

I don't know whats going on but when I try to use it People say all there is white noise. I tried using the terminal to fix it but no luck I Have a random xlr mic and I've checked the inputs to make sure it's the right one and it is.

Score: 0
s KeK avatar
touchscreen and auto rotation does not work properly on microtech e-tab pro
us flag

I installed Ubuntu 21.04 on my e-tab pro, previously it had Windows 10 installed and there was no problem. When Ubuntu boots up and the device is in a vertical position, the desktop is shown correctly, and if I connect a mouse everything works as it should, while if I try to use the touchscreen, the input is recognized but it is on the opposite side of the screen in all and two axes of movement, then w ...

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