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In this section you can ask Questions about Linux Operating System. Discuss your questions about the Linux operating system here. Ask any questions related to the Linux Desktop, Linux server, Installation and use of software on the Linux.

Linux is very robust and secure operating system which is used by IT professional as desktop as well as Server operating system. Linux was developed keeping security in mind and this is the operating system for servers.

These days many different flavor of Linux Desktop operating system are available. These desktop operating system provides tools and necessary GUI to be used as Desktop operating system.

Here is the list of latest questions of Linux Operating system:


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Latest Questions for Linux Operating System
unrar command not found in linux
Hi, I am trying to unrar a file in Linux with following command: unrar myfile.rar Here is complete log of the error: [email protected]:~/examples$ unrar myfile.rar Comm
April 22, 2020 at 4:08 PM

how to check the size of a tar file in linux
Hi, I want to check the size of tar file in Linux. How to check the size of a tar file in linux? What Linux command I should use to check the size of a tar file? Thanks
April 22, 2020 at 3:46 PM

linux tar folder and subfolders
Hi, I am new to Linux operating system. I have a directory which contains many files in several directories and sub-directories. There are many files in each directory and sub-directories. So, I want a simple way to compress these files
April 22, 2020 at 2:48 PM

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tar command
Hi, What is tar command in Linux and how it is used? Thanks
April 22, 2020 at 2:33 PM

create .tar.gz in one command
Hi, I have a big file on Linux server and I want to crate the tar.gz file so that size can be reduced and taken for backup. I want the command to that i can create .tar.gz in one command. Give me the command. Thanks
April 22, 2020 at 11:18 AM

Virtualbox shared folder permissions error
Hi, I am running Oracle Virtual box on Windows machine. I have installed Ubuntu 14.04 in the viruatl box as of the guest os. I have shared a folder from my windows computer to the Virtual box vim. The mapping for this folder appears inside
April 18, 2020 at 7:59 AM

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install nvm ubuntu 18.04
Hi, I want to install the nvm tool to manage nodejs on my machine. I have to work with the different versions of nodejs that's why i want to use nvm. How to install nvm on Ubuntu 18.04? Thanks
March 3, 2020 at 11:13 PM

How do I compress a tar file in Linux
Hi, I want to create the tar.gz file file of a directory in Linux. My directory contains many sub directories and many files are there inside it. I want to know the tar command for creating tar of directory and all the contents ins
February 9, 2020 at 11:42 PM

Download all dependencies with yumdownloader, even if already installed?
Hi, I want to download all the dependencies with yumdownload even if it is installed on my computer. for example if software package is already installed then it only download the given package and not all dependencies. For
August 6, 2019 at 5:55 AM

install tesseract 4 on centos 7
Hi, I have centos 7 updated with the latest updates. Now I want to install tesseract 4 on centos 7. What is the command to install tesseract 4 on centos 7? Thanks
July 5, 2019 at 12:12 AM

validation failed 1 mapping type is missing
Hi, I am creating an index in elastic search but following command: PUT bookstore/_mapping { "properties": { "book_summary": { "type": "text", "fielddata": true } } }
May 29, 2019 at 12:08 AM

logstash.filters.kv unknown setting 'trim' for kv
Hi, I am on parsing the log with logstash and sending it to elasticsearch. I upgraded my logstach and ELK. Now trim is not working with following error: logstash.filters.kv unknown setting 'trim' for kv How to reso
May 21, 2019 at 1:10 AM

how to search a text in all files in a folder in unix
Hi, I am using ubuntu and my need is to find all the files containing a text say "India". How Linux users are performing such task? What is the command that I can run from terminal to find a text in all the files in all directories
May 15, 2019 at 12:12 AM

how to get type names of elasticsearch index in python
Hi, how I can get the list of indexes in elasticsearch with rest call? how to get type names of elasticsearch index in python? Thanks
May 3, 2019 at 6:15 AM

create a named screen in linux
Hi, I want to create a screen session with a name. I wanto to assign a name while creating screen. So, need help of your guys to tell me the command. How to create a named screen in linux? Thanks
May 3, 2019 at 4:15 AM

how to list volumes in docker
Hi, I have docker and i want to list all the volumes. how to list volumes in docker? After listing i want to delete unused volumes. what is the command to delete all unused volumes? Thanks
May 3, 2019 at 1:48 AM

how to generate udp packets in linux
Hi, For testing one of my application I want to send udp data. how to generate udp packets in linux? Thanks
May 1, 2019 at 4:46 AM

How to delete all Docker local Docker images
Hi, I have docker installation with many containers and running images. I installed it for testing while learning the docker. Now I don't want all these containers and images. I am also tried docker-compose for running images which created
April 9, 2019 at 1:07 AM

open() /etc/nginx/nginx.conf failed
Hi, I have installed nginx on Ununtu 18.04 but then un installed. After that deleted /etc/nginx/ directory. Then again installed nginx with following command: sudo apt install nginx B
April 4, 2019 at 7:11 AM

open() /etc/nginx/nginx.conf failed
Hi, I have installed nginx on Ununtu 18.04 but then un installed. After that deleted /etc/nginx/ directory. Then again installed nginx with following command: sudo apt install nginx B
April 4, 2019 at 7:11 AM

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