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Unix & Linux

Why the default eth0 interface is down by default on CentOS?

August 10, 2022 by Magenaut

I am already a little bit familiar with Linux distros like Debian or Ubuntu (yeah, very similar) but I wanted to try Red Hat based – CentOS 6.2. I have installed it on my Windows 7 host in VirtualBox and tried to play with it a little.

Categories Q&A, Unix & Linux Tags centos, networking Leave a comment

Why a “login” shell over a “non-login” shell?

August 10, 2022 by Magenaut

I have a basic understanding of dotfiles in *nix system. But I am still quite confused about this Difference between Login Shell and Non-Login Shell?

Categories Q&A, Unix & Linux Tags login, shell, terminology, unix-philosophy Leave a comment

In bash, how can I convert a Unicode Codepoint [0-9A-F] into a printable character?

August 10, 2022 by Magenaut

I have a list of Unicode codepoints, but I don’t know of a “simple” way to convert these hex values into the actual characters they represent…

Categories Q&A, Unix & Linux Tags bash, unicode Leave a comment

What do the symbols displayed by ls -F mean?

August 10, 2022 by Magenaut

I noticed that if I run ls -F on a directory, some of the entries have a * or a @ after them.

Categories Q&A, Unix & Linux Tags ls Leave a comment

Problems with pulseaudio – pavucontrol and pacmd not connecting to pulseaudio

August 10, 2022 by Magenaut

I’m running Debian Jessie (8.3) with the following pulseaudio packages. As far as I know all sound related stuff (including pulseaudio) corresponds to the default Jessie packages. I have not customized anything. Nor have I done anything with systemd, which I know nothing about.

Categories Q&A, Unix & Linux Tags debian, pulseaudio Leave a comment

Is it better to use cat, dd, pv or another procedure to copy a CD/DVD?

August 10, 2022 by Magenaut

Use of cat to copy a medium: http://www.yolinux.com/TUTORIALS/LinuxTutorialCDBurn.html

Categories Q&A, Unix & Linux Tags cat, dd, disk-image, linux, pv Leave a comment

How to renew an expired keypair with gpg

August 10, 2022 by Magenaut

What is the best way to renew a gpg key pair when it got expired and what is the reason for the method?

Categories Q&A, Unix & Linux Tags gpg, maintenance Leave a comment

What does “rc” in .bashrc stand for?

August 10, 2022 by Magenaut

Is it “resource configuration”, by any chance?

Categories Q&A, Unix & Linux Tags bash, bashrc, history Leave a comment

What does <<< mean?

August 10, 2022 by Magenaut

What does <<< mean? Here is an example: $ sed 's/a/b/g' <<< "aaa" bbb Is it something general that works with more Linux commands? It looks like it’s feeding the sed program with the string aaa, but isn’t << or < usually used for that? Answers: Thank you for visiting the Q&A section on Magenaut. … Read more

Categories Q&A, Unix & Linux Tags bash, command, command-line, sed Leave a comment

Why does closing terminal emulator window terminate a bash process with SIGHUP trap changed not to terminate?

August 10, 2022 by Magenaut

In a bash shell in a terminal emulator window of lxterminal, I run

Categories Q&A, Unix & Linux Tags bash, linux, sighup, signals, terminal-emulator Leave a comment
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  1. michealSmith07 on Is there a way to dynamically refresh the less command?August 21, 2022

    That is a very nice post. I like this post.

  2. anonymous on Fix libwacom9 dependency issue when upgrade DebianJune 27, 2022

    saved my day!! Thanks for the help…

  3. sreedhar on Fix libwacom9 dependency issue when upgrade DebianMay 10, 2022

    Thanks its working

  4. saintnick on Fix libwacom9 dependency issue when upgrade DebianMay 10, 2022

    remove libwacom2 worked for me as well

  5. ranafoul on Fix libwacom9 dependency issue when upgrade DebianApril 22, 2022

    apt remove libwacom2 helped on kali 2022.01. gr8

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