Linux Tutorials: Commands for Linux User

File Commands List files in the directory: List all files: Show directory you are currently working in: Create a new directory: Remove a file: Remove a directory recursively: Recursively remove a directory without requiring…

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Top 50 Kafka Interview Questions & Answer

1) What is Apache Kafka? Apache Kafka is a publish-subscribe open source message broker application. This messaging application was coded in “Scala”. Basically, this project was started by the Apache…

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Top 50 Appium interview questions and answers

1) Describe various types of mobile applications Mobile applications are of the following three types: Native Applications: Applications that are created with the help of iOS and Android SDK are…

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Top 50 Selendroid interview questions and answers

1) Explain what is Appium? Appium is a freely distributed open source mobile application UI Testing framework. 2) List out the Appium abilities? Appium abilities are Test Web Provides cross-platform…

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Ansible Connection Options for windows remote Server

Error – Failed to connect to the host via ssh Solution – You need to set ansible_connection=winrm to connect to windows [windows] [windows:vars] ansible_connection=winrm Error – auth method ssl…

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Detached (-d) mode in Docker – Explained

We use Docker detached mode (-d) when we want to connect to the container in an interactive mode or we can say when we just want application to be running…

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What is Composer and How to Install Composer?

In my previous article I have explained about the best concept about Laravel in which I mentions what is Laravel and many things about its feature. if you want to…

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How to upload the artifacts in Sonatype Nexus using Maven

Step 1 – Install and Configure Nexus Server Step 2 – [Nexus Server] Create a nexus role containing all required access of Nexus. Step 3 – [Nexus Server] Create a…

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Replicating claims as headers is deprecated and will removed from v4.0.

Replicating claims as headers is deprecated and will removed from v4.0. Please manually set the header if you need it replicated. When you using Laravel 5.5 and if you will…

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Ansible Adhoc Commands Lab & Excercise – Part 1

Program 1 – Write a Ansible Adhoc Commands to create a group called “deploy How to verify? $ more /etc/group | grep deploy Program 2 – Write a Ansible Adhoc…

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Delete files and folder using batch commands…

rajeshkumar created the topic: Delete files and folder using batch commands… del /s /q bin – deletes all files recursively rmdir bin – delete empty folders.. Regards, Rajesh Kumar Twitt…

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How to Start and Stop Nagios Core | Nagios Tutorial

Starting Nagios Core Init Script: The easiest way to start the Nagios Core daemon is by using the init script like so: /etc/rc.d/init.d/nagios start Manually: You can start the Nagios…

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Linux Tutorials: pmap commands examples

You can find the memory used by a program (process) by looking into /proc directory or using standard command such as ps or top. However, you must calculate all memory…

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Linux Tutorials: mpstat commands examples

If you are using SMP (Multiple CPU) system, use mpstat command to display the utilization of each CPU individually. mpstat Report processors related statistics which includes Collecting and displays performance…

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Linux Tutorials: iostat commands examples

iostat command is a command that used for monitoring system input/output device loading by observing the time the devices are active in relation to their average transfer rates. The iostat…

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Linux Tutorials: vmstat commands examples

vmstat – Report virtual memory statistics. vmstat is a tool that collects and reports data about your system’s memory, swap, and processor resource utilization in real time. It can be…

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Linux Tutorials: xargs commands examples

Under Development The xargs command is extremely useful when we combine it with other commands.This tutorials explains the usage of xargs command using few simple examples. 1. Xargs Basic Example…

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Linux Tutorials: mount & unmount commands examples

Once you create a partition, you should use mount command to mount the partition into a mount point (a directory), to start using the filesystem. You need to add the…

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gsh – Run linux commands on many other linux server at once

gsh – Run linux commands on many other linux server at once Group Shell (also called gsh) is a remote shell multiplexor. It lets you control many remote shells at…

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Linux Tutorials: Commands for Linux Administrator

su: Acquiring Superuser Status # su  :- Acquire  Superuser after entering password but home directory does not change # su – l :– Acquire Superuser access after password but home …

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