linux-commands-administrators

Linux Tutorials: Commands for Linux Administrator

1. sudo – Execute commands with elevated privileges, a fundamental for system administration. 2. useradd – Create a new user account, essential for managing user access. 3. usermod – Modify…

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Top 50 Selendroid interview questions and answers

General Questions Element Identification and Interaction Multiple Device Support Native and Hybrid App Automation WebView Automation Testing Framework Integration Gestures and Actions Test Configuration and Management Error Handling and Debugging…

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Linux Tutorials: mpstat commands examples

mpstat – Report processors related statistics. The mpstat command writes to standard output activities for each available processor, processor 0 being the first one. Global average activities among all processors…

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Linux Tutorials: vmstat commands examples

The vmstat command (short for virtual memory statistics) is a built-in monitoring utility in Linux. Users can observe system activity virtually in real-time by specifying a sampling period. The command…

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Docker Tutorials: 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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Linux Tutorials: Commands for Linux User

ls – List directory contents. cd – Change the current directory pwd – Print the name of the current working directory. touch – Create an empty file or update the…

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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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ansible-error

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] 13.233.160.153 [windows:vars] ansible_connection=winrm Error – auth method ssl…

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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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artifacts-in-sonatype-nexus

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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starting-and-stopping-nagios-core

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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pmap-commands

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: 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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xargs-commands

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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partition-commands-in-linux-unix

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

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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perforce-backup-commands

Perforce backup commands | Perforce backup method

There are several commands and arguments that allow more complex operations. (A command line flag “-z” tells Perforce to use compre ssion.) The commands are as follows: p4d -jc [-z]…

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execute-external-commands-from-perl

How to Execute external commands by using perl?

There are many ways to execute external commands from Perl. The most commons are: system function exec function backticks (“) operator open function All of these methods have different behaviour,…

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unix-commands-and-utilities

Common unix commands and utilities | unix commands and utilities Guide

To find a program not on this list (and there are hundreds), try the man program with the -k option followed by a keyword, for example, man -k tape to…

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ant-build-script-war-file

A sample Ant build script that builds a WAR file – Guide

A sample Ant build script that builds a WAR file <project name=”MyWebApplication” basedir=”..” default=”install”> <!– project-specific variables –> <property name=”jsp.dir.name” value=”myapp” /> <property name=”package.name” value=”${jsp.dir.name}.war” /> <property name=”webapp.dir” value=”/Users/al/tomcat-6.0.16/webapps” />…

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windows-xp-2000-commands-tools

Windows XP/2000 Commands & Tools | Windows XP Command-line Reference

Here’s the ultimate Windows XP/2000 command list that will make any Linux user feel at home at the command prompt. A lot of these commands are intended for administrating a…

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vi-vim-editor-commands

VI/VIM editor Commands | VI/VIM editor commands reference | Cheat Sheet

what will happen ? “man ls |col -b > ” will give the text file same as man ls. what is VI-editor ? While in vi you can run AIX…

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