Unix & Linux Questions, Problems & Solutions : TransWikia.com ~ Page 81

Why is irqs_disabled() an unsafe way of disabling preemption?

Proper Locking Under a Preemptible Kernel: Keeping Kernel Code Preempt-Safe article says,But keep in mind that 'irqs disabled' is a fundamentally unsafe way of disabling...

Asked on 11/29/2020 by Holmes.Sherlock

2 answer

How to debug and monitor the power management?

I want to track a problem which is likely caused by a bug in the power management.How can I get verbose information on the power management activities? I am...

Asked on 11/28/2020 by Jonas Stein

0 answer

What ever became of the "prep" program? And what can I use instead on modern Linux systems?

Long ago, in Seventh Edition UNIX (a/k/a V7), there was a program called prep. Its primary use was to take files of text, and break them up into one...

Asked on 11/28/2020 by patbarron

2 answer

How do I run grep on a zsh variable?

I'd like to inline the following 2 commands:big_query_that_returns_text > in.txt$ printf '%sn' "foo" "bar" | grep -f /dev/stdin in.txtthat do work by finding foo and bar in in.txt but...

Asked on 11/28/2020 by Serge Vu

2 answer

Audio distorted on pulse/alsa, works fine on JACK. How to analyze why JACK works correctly and use that knowledge to fix pulse/alsa configuration?

To test and resolve this problem I am using a fresh install of Fedora 33, audio settings or configuration files left untouched. By default the audio is heavily distorted (it...

Asked on 11/28/2020 by Jessica Nowak

1 answer

This system is currently not set up to build kernel modules

I'm trying to install VirtualBox 6.1.16 on a LinuxMint 19.3 host which is based on Ubuntu 18.04 bionic. I have checked all other answers and tried all possibilities, but to...

Asked on 11/28/2020 by Henrique de Sousa

1 answer

unable to install anything in Dockerfile

Docker newbie here, I want to create a new image based on another image I pulled from Dockerhub which by itself works great but I wanted to add some tools...

Asked on 11/27/2020 by BitFreak

1 answer

Reset cursor state without reopening terminal

When using an application that have an anormal tui, or print non-supported characters/terminal sequence, it usually happen that the cursor/terminal doesn't display right. In those moment, i usually do clear...

Asked on 11/27/2020 by Nordine Lotfi

1 answer

find cannot do on having space within string variable for -path or -iregex or etc

Cannot have space within string variable for -path or -iregex find's option.This input '/home/demo.*/.config/File System/.*t$'is fed on:read im="-iregex $i"find ~ $mwon't work as it will if...

Asked on 11/26/2020 by nonox

1 answer

authentication is required to create a color profile on ubuntu 20.04

I upgrade Ubuntu version from 18.04 to 20.04 But when update is complete i found a issues again and again on screen.Here is the screenshot in given below: ...

Asked on 11/26/2020 by Sabbir

1 answer

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