Most answered questions in Linux Administration

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How to wait in bash for several subprocesses to finish, and return exit code !=0 when any subprocess ends with code !=0?

How to wait in a bash script ...READ MORE

Jun 3, 2022 in Linux Administration by Rahul
 • 3,380 points • 1,123 views
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bash: telnet: command not found

I'm trying to connect the server using ...READ MORE

Jun 3, 2022 in Linux Administration by Rahul
 • 3,380 points
edited Mar 4 • 38 views
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Bash script to automate a VPN from vpnbook.com

I wrote a bash script that reads ...READ MORE

May 27, 2022 in Linux Administration by Rahul
 • 3,380 points • 1,809 views
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Finding the unique elements in a column of a data from terminal/Unix

So, I have a dataset which is ...READ MORE

May 10, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 107 views
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How to automatically add user account AND password with a Bash script?

I need to have the ability to ...READ MORE

May 10, 2022 in Linux Administration by Edureka
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edited Mar 4 • 130 views
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Linux/Unix command to determine if process is running?

I need a platform independent (Linux/Unix|OSX) shell/bash ...READ MORE

May 10, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 115 views
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Can not clear cache memory on Linux

I have Logstash and Elasticsearch running on ...READ MORE

May 10, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 103 views
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What exactly does 'sudo -su'?

I have a linux user (user2) which ...READ MORE

May 10, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 133 views
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One line if/else condition in linux shell scripting

I would like to have the equivelant ...READ MORE

May 10, 2022 in Linux Administration by Edureka
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edited Mar 4 • 105 views
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Joined linux host to AD server using realmd. Unable to change ad user passwords from the command line

Have a fairly simple setup of one ...READ MORE

May 10, 2022 in Linux Administration by Edureka
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edited Mar 4 • 103 views
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Sharing violation during save as on Ubuntu Linux

I'm new to C# and I'm having ...READ MORE

May 10, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 135 views
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What is the difference between dm and md in Linux kernel?

What is the difference between dm (dmsetup) ...READ MORE

May 10, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 127 views
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Umask difference between 0022 and 022

Is there any difference between umask 0022 ...READ MORE

May 10, 2022 in Linux Administration by Edureka
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edited Mar 4 • 134 views
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How can I use/install "make" on the Amazon Linux AMI for EC2?

I'm a new user of Amazon EC2. I ...READ MORE

May 10, 2022 in Linux Administration by Edureka
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edited Mar 4 • 61 views
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Linux: How does communication with kernel module from user space happen

I am reading Embedded Linux Primer book ...READ MORE

May 10, 2022 in Linux Administration by Edureka
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edited Mar 4 • 113 views
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linux bash - remove all files which are in one directory from another directory

I want to remove all files that ...READ MORE

May 10, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 112 views
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How do I set a variable to the output of a command in Bash?

I have a pretty simple script that ...READ MORE

May 10, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 113 views
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Specify Destination Directory for 'zip' Command Output

The zip command generally places the output ...READ MORE

May 10, 2022 in Linux Administration by Edureka
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edited Mar 4 • 149 views
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Specify Destination Directory for 'zip' Command Output

The zip command generally places the output ...READ MORE

May 10, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 112 views
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Linux free command meaning

I got some researh to do about ...READ MORE

May 10, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 120 views
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How to fix 'sudo: no tty present and no askpass program specified' error?

I  wanted to compile sources using a ...READ MORE

May 9, 2022 in Linux Administration by Kichu
 • 19,040 points • 1,278 views
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linux ps aux command

How obtain the running process with absolute ...READ MORE

May 2, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 112 views
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Reusing output from last command in Bash

Is the output of a Bash command ...READ MORE

May 2, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 140 views
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top -c command in linux to filter processes listed based on processname

top -c Top lists all the processes, there ...READ MORE

May 2, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 140 views
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Sapi5 on linux?

I am working on creating an AI ...READ MORE

May 2, 2022 in Linux Administration by Edureka
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edited Mar 4 • 39 views
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Linux server sudo command not foundrubylinuxbashserversudo

I am having Linux server with 2.6.32-673.8.1.lve1.4.3.el6.x86_64 - ...READ MORE

May 2, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 145 views
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What do you mean by 'make' command in linux?

First, i know that make is used ...READ MORE

May 2, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 119 views
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Linux tr command

I'm stuck and hope someone can help. ...READ MORE

May 2, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 117 views
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Linux command to print directory structure in the form of a tree

Is there any linux command that I ...READ MORE

May 2, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 128 views
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How can I symlink a file in Linux?

I want to make a symbolic link ...READ MORE

Apr 29, 2022 in Linux Administration by Edureka
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edited Mar 4 • 68 views
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Chmod 777 to a folder and all contents

I have a web directory /www and a folder ...READ MORE

Apr 29, 2022 in Linux Administration by Edureka
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edited Mar 4 • 33 views
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Python: Extract gz files with and honor original filenames and file extensions

Under a folder, I have many .gz ...READ MORE

Apr 29, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 46 views
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Problems with Arch linux installation commands

It's my first time trying to install ...READ MORE

Apr 29, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 64 views
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Comparing directory listings using cmp command

If cmp command is used to compare ...READ MORE

Apr 29, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 67 views
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How to remote SSH into a MacOS or Linux terminal using the Termius app?

I have been playing with the Termius ...READ MORE

Apr 29, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 61 views
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How does cron internally schedule jobs?

How do "modern" cron daemons internally schedule their jobs? Some cronds used ...READ MORE

Apr 29, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 61 views
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What do you mean by 'make' command in linux?

First, i know that make is used ...READ MORE

Apr 28, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 33 views
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How can I send an email through the UNIX mailx command?

How can I send an email through ...READ MORE

Apr 28, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 58 views
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can not install software in linux error as dpkg was interrupted

I was trying to install mono using ...READ MORE

Apr 28, 2022 in Linux Administration by Edureka
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edited Mar 4 • 33 views
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How to download pip module for linux using windows

I am trying to download some modules ...READ MORE

Apr 28, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 31 views
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Change directory and execute file in one command

When I want to execute a file, ...READ MORE

Apr 28, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 60 views
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How can I delete a user in linux when the system says its currently used in a process

I am trying to delete a user ...READ MORE

Apr 28, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 57 views
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How to create shortcut icons for Windows, MacOS and Linux applications bundled with PyInstaller

I am building a Python application bundled ...READ MORE

Apr 28, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 61 views
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0 answers

How does cron internally schedule jobs?

How do "modern" cron daemons internally schedule their jobs? Some cronds used ...READ MORE

Apr 27, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 58 views
0 votes
0 answers

Docker compose port forwarding Linux asp.net core

I have a couple of docker images, ...READ MORE

Apr 27, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 37 views
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Bash format uptime to show days, hours, minutes

I'm using uptime in bash in order ...READ MORE

Apr 27, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 29 views
0 votes
0 answers

How to clear cache memory on linux machine for a user?

I am running a c++ tool on ...READ MORE

Apr 27, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 55 views
0 votes
0 answers

what does terminal command: ls -l show?

I know that it outputs the "long" ...READ MORE

Apr 27, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 56 views
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Execute combine multiple Linux commands in one line

I am trying to merge multiple linux ...READ MORE

Apr 27, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 32 views
0 votes
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How Linux Operatin g System maintains Page Table?

Does page table per Process or per ...READ MORE

Apr 27, 2022 in Linux Administration by Edureka
 • 13,690 points
edited Mar 4 • 34 views
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