Latest Ubuntu related questions

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Lubuntu Source Code
tc flag

I want to download Lubuntu Source Code, to make changes and recompile ISO file. I tried to create iso from installed lubuntu os but it didn't worked for me.

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Imre avatar
Reset internet on Ubuntu server 20.04 LTS
cn flag

I converted a VirtualBox image (Ubuntu server 20.04 LTS without GUI) to QEMU image (sudo qemu-img convert -f vdi...). It is start and work, but its ethernet network does not. I can not update it etc. It does not matter, but it was bridged card (in VM) and in QEMU is NAT (yet).

I found a temporary solution:

sudo dhclient -r

sudo dhclient

After it internet work well, till the next boot. How can I fix the et ...

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Autumn avatar
Can I differentiate different RDIMM models electronically?
jp flag

I bought 128GB of Hynix RDIMMs off ebay. The (slightly lifted) label indicates that they are (as advertised) Hynix model HMT84GR7AMR4A-H9, which is 1333 MHz registered RAM.

However, lswh -C memory returns

description: DIMM DDR3 1066 MHz (0.9 ns)
product: HMT84GR7AMR4A
vendor: Hynix Semiconducto

and dmidecode -t 17 gives me Speed: 1066 MT/s.

And indeed, there exists a Hynix submodel of part HMT84GR ...

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Saproko avatar
Black Screen with only mouse after login (Ubuntu 20.04)
tn flag

Yesterday I suspended my ubuntu (20.04) laptop and when I turned it back on, things were really buggy so i logged into tty and shut it down. When I turned it back on again, I got a black screen with only my mouse on it after login. tty still works and i can access all my files but the GUI doesn't. I then created a test account which i logged into and everything worked perfectly fine.

I am on a du ...

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WitBlack avatar
Change default $PATH environment variables
br flag

I want to change default PATH Variable in bash. Also, I know can write export PATH=$PATH:/path/to/commands but it's not my solution. I want any apps uses system-call, new path can be used.

For example in python code:

  • from os import system
  • system('my-special-command')

my-special-command was stored at /path/to/my/commands/dir/my-special-command

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Luca Chittò avatar
Ubuntu Upgrade Error // Ubuntu 20.04
us flag
Reading package lists... Done
Building dependency tree       
Reading state information... Done
You might want to run 'apt --fix-broken install' to correct these.
The following packages have unmet dependencies:
 mariadb-server-10.3 : Depends: mariadb-client-10.3 (>= 1:10.3.32+maria~bionic) but 1:10.3.32-0ubuntu0.20.04.1 is installed
 mariadb-server-core-10.3 : Breaks: mariadb-client-10.3 (< 1:10.3.3 ...
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External interrupts on Ubuntu 20.04
pk flag

currently I work on a tiny computer running Ubuntu 20.04 server. This computer contains several pins for SPI, I2C and so on. On similar computers (like the Raspberry Pi) there are also pins used as inputs to detect external interrupts.

Does anyone have an idea how to detect these external interrupts using build-in libraries/function of Ubuntu? Is there a 3rd-party library for this purpose? When u ...

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Science Worldz avatar
Ubuntu 20.04 LTS stopped working overnight. I/O error and COMRESET failed (errno=-16)
in flag

Yesterday night, I stalled Ubuntu, it was working fine that night. Today morning I opened my laptop for my class, it was working fine, but after some time my class got struck. And it opened CLI(command line interface) and in some text, it showed I/O error. So, I though a restart of he computer would be a quick fix, but when I restarted, I opened CLI again and it showed COMRESET failed (errno=-16). I sti ...

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copper.hat avatar
How to boot Ubuntu live on Windows 10 with fully encrypted drive?
br flag

How to boot Ubuntu live on Windows 10 with fully encrypted drive?

Do I have do turn of secure boot, disable kernel DMA protection and change to legacy boot each time? I am hoping I can find a way of not entering the BitLocker Drive Encryption recovery key.

Hopefully I am missing something obvious.

I have Ubuntu 20.04 LTS Desktop on the USB drive (made bootable using balenaEtcher).

If I shutdown, insert th ...

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