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Linux Mastering Development Ubuntu

Why is Libreoffice crashing my whole system?

I am running Kubuntu 18.04.4 LTS. When I use Libreoffice (currently 6.0.7.3) Writer, it frequently crashes my whole system. The display freezes for about a minute and after that, I get back to the login screen to start a new session. I can’t reproduce it, but I can say that it has always happened while […]

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Linux Mastering Development Ubuntu

Mouse not working after suspend, Ubuntu 18.04

was hoping someone here could point me in the right direction. I see similar questions asked on this forum but none seems to match my issue. I have a (Acer) laptop with Ubuntu 18.04 (Mint 19 to be accurate). I like to use a Logitech wireless mouse with it. As of recently, the mouse doesn’t […]

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Development Linux

Using TLP with a Docking Station – Docking Station not charging thinkpad

I am using a Lenovo X1 Carbon 6th Gen with a USB-C Gen 2 Docking Station. When I am not using TLP the docking station is charging my Thinkpad just fine. Also all peripherals work as expected. As soon as I enable TLP and unplug and replug the thunderbolt 3 cable, it won’t charge anymore. […]

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Development Linux

Can’t get kernel messages logged to the serial console of a systemd system

I would like to log the kernel messages of system to the serial console on ttyS0. A similar problem was addressed under How to get kernel messages on serial console on a systemd system? but I still don’t get it to work. I’ve got systemd.journald.max_level_console=debug console=ttyS0,115200 loglevel=7 on my kernel command line and ShowStatus=no set […]

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Development Linux Ubuntu

speedup boot process

I often have to reboot my laptop due to development stuff, so I try to minimize bootup time on Ubuntu 19.10 This is the output of dmesg # dmesg … [ 0.017283] On node 0 totalpages: 10414141 [ 0.017285] DMA zone: 64 pages used for memmap [ 0.017286] DMA zone: 22 pages reserved [ 0.017287] […]

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Development Linux Ubuntu

speedup boot process

I often have to reboot my laptop due to development stuff, so I try to minimize bootup time on Ubuntu 19.10 I already maximized two steps: set the grub timeout to one second in /etc/default/grub: GRUB_TIMEOUT=1 by analyzing the boot log with dmesg I noticed, that my Logitech Universal Receiver dongle for the mouse (which […]

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Android Development Drivers Linux Ubuntu

Ubuntu doesn’t show content of USB Flash recognize Android devices after installing cannot printer driver anymore

i have some problem with opening USB drive flash (get Input/output error like this post)and recognizing my android mobile phone (USB cable) to my Ubuntu 18.04 after trying to install the Canon MF4410 printer driver on my Ubuntu last night. So there is some report of last USB connection to my PC: [ 1092.880599] r8169 […]

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Android Development Drivers Linux Ubuntu

Ubuntu doesn’t show content of USB Flash recognize Android devices after installing cannot printer driver anymore

i have some problem with opening USB drive flash (get Input/output error like this post)and recognizing my android mobile phone (USB cable) to my Ubuntu 18.04 after trying to install the Canon MF4410 printer driver on my Ubuntu last night. So there is some report of last USB connection to my PC: [ 1092.880599] r8169 […]

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Development Linux Ubuntu

Unstable connection between Ubuntu and USB device

I have been having regular connection issues between my computer and my USB keyboard and mouse, so I thought I would ask for help and describe all the troubleshooting that I have been through. Hopefully this will be helpful to others who are having similar issues. It all started mid September when my DELL Inspiron […]