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Unix & Linux

How do I repeat the last command without using the arrow keys?

August 10, 2022 by Magenaut

I know I can use Up to iterate through previous commands. Running the last command simply involves Up + Enter. However, I was thinking of buying the Happy Hacking Keyboard as I spend a lot of time in vim.

Categories Q&A, Unix & Linux Tags command-history, keyboard-shortcuts, shell Leave a comment

Clone ownership and permissions from another file?

August 10, 2022 by Magenaut

Is there a command or flag to clone the user/group ownership and permissions on a file from another file? To make the perms and ownership exactly those of another file?

Categories Q&A, Unix & Linux Tags chown, files, permissions, shell Leave a comment

What happens when you delete a hard link?

August 10, 2022 by Magenaut

If you do rm myFile where myFile is a hard link, what happens?

Categories Q&A, Unix & Linux Tags files, filesystems, hard-link Leave a comment

How to list disks, partitions and filesystems in Linux?

August 10, 2022 by Magenaut

In Windows, if you type LIST DISK using DiskPart in a command prompt it lists all physical storage devices, plus their size, format, etc. What is the equivalent of this in Linux? Answers: Thank you for visiting the Q&A section on Magenaut. Please note that all the answers may not help you solve the issue … Read more

Categories Q&A, Unix & Linux Tags block-device, hard-disk, utilities Leave a comment

How to copy directories with preserving hardlinks?

August 10, 2022 by Magenaut

How to move directories that have files in common from one to another partition ?

Categories Q&A, Unix & Linux Tags cp, files, hard-link Leave a comment

Why am I still being asked for an ssh password when I’m using private key authentication?

August 10, 2022 by Magenaut

I have Linux mint on my pc.

Categories Q&A, Unix & Linux Tags openssh, putty, ssh Leave a comment

How do I count the number of occurrences of a word in a text file with the command line?

August 10, 2022 by Magenaut

I have a large JSON file that is on one line, and I want to use the command line to be able to count the number of occurrences of a word in the file. How can I do that?

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

How do I use pushd and popd commands?

August 10, 2022 by Magenaut

What are the practical uses of both pushd and popd when there is an advantage of using these two commands over cd and cd -?

Categories Q&A, Unix & Linux Tags cd-command, pushd, shell Leave a comment

GPU usage monitoring (CUDA)

August 10, 2022 by Magenaut

I installed CUDA toolkit on my computer and started BOINC project on GPU. In BOINC I can see that it is running on GPU, but is there a tool that can show me more details about that what is running on GPU – GPU usage and memory usage?

Categories Q&A, Unix & Linux Tags gpu, monitoring Leave a comment

SSH key-based authentication: known_hosts vs authorized_keys

August 10, 2022 by Magenaut

I read about setting up ssh keys in Linux and have some questions. Correct me if I’m wrong…

Categories Q&A, Unix & Linux Tags key-authentication, openssh, security, ssh 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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