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Ask Ubuntu : Recent Questions and Answers

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When I use the Universal USB trouble

When I use the universal usb installer, and it's extracting the files. I get about 200 errors. I have reinstalled ubuntu twice. It still gives me problems. I try using...

Asked on 01/06/2022 by Seth Audet

1 answer

Subscribe for DBUS event of screen power off

My MacBook Pro has a keyboard backlight which is pretty awesome, but there's a slight bug: the screen turns off after a given amount of time, but the keyboard backlight...

Asked on 01/06/2022

3 answer

Cannot install virtualbox 5.1 on Ubuntu 17.04

I have downloaded virtualbox 5.1 from the virtualbox website but I can't install it. When I open the .deb file with ubuntu software and I click on Install, it doesn't...

Asked on 01/06/2022 by An unknown developer

2 answer

x11vnc Headless on Ubuntu is very slow until monitor connected

I'm running x11vnc on Ubuntu as a service at startup. It generally works fine, but I want to run it headless. If I start the server with a monitor connected...

Asked on 01/06/2022 by user3472027

1 answer

Electron `chrome --type=renderer --field-trial-handle=...` won't shut down, eats up Memory

I am trying to build an app with electron. When I do this, however, it appears that several chrome processes are created that don't shut down after closing electron. These...

Asked on 01/06/2022 by webelo

2 answer

What is the use of systemd-journal-flush.service?

It slows my system boot time. Can i disable it? What will happen if i disable it on boot? I am using Ubuntu version 18.04....

Asked on 01/06/2022

2 answer

Mouse button click not working during Ubuntu 20.04 LTS dual boot installation

My machine configuration: iBUYPOWER - Gaming Desktop - Intel Core i7-9700K - 16GB Memory - NVIDIA GeForce RTX 2080 SUPER - 1TB HDD + 480GB SSD I am using a...

Asked on 01/06/2022

1 answer

Do I need to call Python in a cron job script?

I'm trying to run a cron job from a home server that runs Ubuntu 24/7, using a Python script to clear a remote mailbox. In a folder "scripts" in my...

Asked on 01/06/2022

1 answer

How to add modprobe command to GRUB_CMDLINE_LINUX_DEFAULT

Ubuntu 20.04To make my WiFi happy I enter the following modprobe via the terminal;modprobe -r brcmfmacThen wait 5 seconds and modprobe brcmfmacCan I add this to...

Asked on 01/06/2022

0 answer

Create and append key value pairs to a file of JSON objects with a regex of each JSON object value

I have a big file that contains json objects each object in a new line. File example{"Name" :"%Hana-29-Mrs-Smith","job":"engineer"}{"Name" :"%Mike-31-Mr-Larry","job":"marketing"}{"Name" :"%Jhon-40-Mr-Doe","job":"engineer"}Desired output:{"Name" :"%Hana-29-Mr-Smith", "f_nams":"Hana", "age":29, "title":"Mrs", "l_name":"Smith","job":"engineer"}{"Name" :"%Mike-29-Mr-Larry", "f_nams":"Mike",...

Asked on 01/06/2022

2 answer

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