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Hi, after many years of activity at Ubuntuforums, I have decided to disable my account.
Could you please wipe out everything as much as you can, eventually randomizing my account name.
Thanks!

More than one Power management software on Linux might conflict with each other. Please google and find it out. TLPUI might be graphical front-end of TLP. I have Lubuntu and disabled LxQt power...

Try

journalctl -b -u smartmontools.service

On command line look at the environment variables by

env | grep LC
For more information https://www.thomas-krenn.com/en/wiki/Configure_Locales_in_Ubuntu

Check whether Bluetooth was disabled in BIOS/UEFI. If yes, enable it. If it is not possible to enable it, it can mean your firmware does not support it. Try to update your BIOS firmware. If this...

conky.config = {
alignment = 'top_right',
background = false,
border_width = 1,
cpu_avg_samples = 2,
default_color = 'white',
default_outline_color = 'white',
...

Another reason of slow boot is that UUID of any partition might be different than the ones in /etc/fstab. The system boots despite that, but UUID mismatch causes slow boot. I had observed that at...

Arch Linux does not mount ESP to /boot/efi. Fore more information https://wiki.archlinux.org/index.php/EFI_system_partition

journalctl already stores all boot messages in /var/log/journal directory. journalctl --dmesg shows what you need. It offers many more things. Look at its manual.

BTW, the systemd service fwupd is useless for very old laptops to get any of its firmware like SSD etc. At least for my E7440 laptop, which is 8 years old now. The laptop has Ubuntu since 2017 and...

TL;DR

Solution to get ESP flag after installation was to set the ESP flag manually, using parted. Having set this flag, now I get the GUID of ESP:

$ lsblk -o +parttype
sda 8:0 0...

dd might be helpful as well.

A valid question from my side why a computer science student like you is not using languages like Perl or Python which have more advanced regular expression and data structure capabilities to process...

Your observation let me think that this might be a hardware problem. Because no matter which booter you take you have a boot issue. I have the same model E7440 as you have. This moodel is from...

BTW, after the fresh install (by completely wiping out the hardissk) I don't see the GUID you mention:

$ lsblk -o +parttype
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT PARTTYPE
sda 8:0 0...

Hi oldfred, I am fully aware that bios_grub flag is out of question here. Maybe my text above is not clear that I am aware of it. I am aware that I have a UEFI/GPT system.

Due to the partition,...

Apologize for not being clear. Now I have installed 20.04 on the computer. Proof:

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04 LTS...

Solution: completely wipe out the harddisk and install Ubuntu 20.04.
esp flag could not be set. The warning was ignored by the user (myself).
After the installation, rebooted the system. Package...

See item 3 in Problem section. Ubuntu 20.04 has the same problem. During the boot sequence of 20.04 Live CD, dmesg shows exactly the same messages.

Problem
Lubuntu 20.04 installation warns that the ESP flag is missing even though 19.04 can boot with ESP /boot/efi without its ESP flag is set. Following message is shown by the installation:

A...

Hi all,

Setup

CPU: Intel i7-4600U
Video: Intel HD 4400 Haswell-ULT Integrated Graphics Controller (lshw -c display: vmemory:f7800000-f7bfffff memory:e0000000-efffffff )
RAM: 16GB
...

This might not be related to your filesystem/partitioning.

Do you have an Intel graphics driver? You can check it with

lshw -c video
If it says Intel somewhere, then you can try this:

add...

My 2 cents here:
You have an HP printer which uses for the same WiFi channel as your router. Is there a way to change the channel of the router if possible?
Both are using 2 GHz. Have you tried for...

There are tons of pages on internet about this topic. For example: https://askubuntu.com/questions/1096873/dell-3180-built-in-card-reader-not-reading-128gb-sd-card

In addition to Autodave's comments, Ubuntu installation requires little understanding about your computer. Be aware that installing an operating system will wipe out the things on the harddisk where...