Jenkins How to do Guide, Tips, Tricks and Troubleshootings
How to attach the jenkins build log as part of the email body? How to attach the jenkins build log as part of the email body? How…
How to Schedule and Trigger a Jenkins job automatically?
Method 1 – AT CERTAIN TIME AKA Build periodically Method 2 – AT CERTAIN TIME BUT Build only when there is Code changes AKA Poll SCM Method…
Jenkins Errors and Solutions Database
Jenkins Error: Running two Java Versions – Jenkins Problem in Mac OS Jenkins Error: /usr/bin/p4 error in windows machine with jenkins Jenkins Error: Jenkins time-out while pushing…
Insert and Retrieve data from database in PHP using MySQLI
What is Mysqli:-The Mysqli extension, or as it is used before this name the MYSQL and update extension, was developed to take advantage of new features found…
How to Define, Call & Create a function in PHP?
What is function in PHP? PHP provides us many built-in helper partners works that you can call anyplace inside your application OR browser. They make your work…
How to define String in PHP?
A string is a group of characters, where a character is equivalent to a byte. This implies PHP just supports a 256-character set and subsequently doesn’t offer…
How to Print Multidimensional Associative Array in PHP using loop with example?
Foreach Loop with Multidimensional Associative Array :- Multidimensional Associative Array is used to store using foreach loop arrays value where pairs arrays value can be an integer…
Php Error: Composer – allow_url_fopen must be enabled in php.ini
Solution $ php -i | grep allow_url_fopen $ allow_url_fopen => Off => Off $ php -d allow_url_fopen=on /opt/cpanel/composer/bin/composer update Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing…
What is Adobe Photoshop?
What is adobe Photoshop? Photoshop is software that was created by Adobe Systems users in the year 1990.Since then it has been used in web designing, graphic…
Restore a default RHEL 7.x default repo list of EC2 Instance
Many time, my students have deleted or corrupted a yum repo list of RHEL7 or Centos 7 and i spent lots of time solving these problem. This,…
How to Print Multidimensional Numeric Array in PHP using loop?
For Loop with Multidimensional Numeric Array:- Multidimensional Array means one or more arrays have multple array values access. It can store numbers, string multiple array uses of…
HTML Tutorial Part-1
What is HTML? Html provides a way of displaying Web pages with text and images or multimedia content. HTML is not a programing language, but a markup…
What is Multidimensional array in PHP with Example?
Multidimensional Array is Arrays of Array means one arrays have multiple array. You can define as it have 2Dimensional ([][]), 3Dimensional ([][][]), 4Dimensional ([][][]), and etc. ex:-…
What is settings.gradle in Gradle?
A gradle build has three important files. build.gradle, gradle.properties and settings.gradle Gradle build lifecycle consist of three phases: initialization, configuration, and execution. settings.gradle get evaluated in the…
What is Gradle DAG (Directed Acyclic Graph)?
What is DAG (Directed Acyclic Graph) In computer science and mathematics, a directed acyclic graph (DAG) is a graph that is directed and without cycles connecting the…
How can use Array Operators in PHP with Example?
Php union:- ($a+$b) = Work as union means if same value then replace left variable to right variable(for keys that exit both array) ex:- Php Equality:- Key…
What is difference between echo, print, and print_r in PHP with example?
Echo Statement:- The echo statement is used to output in display with or without parenthesis echo or echo() but no return value. Echo Statement faster than print…
What is the difference between numeric and associative array in loop with example?
For Loop with Numeric Array:- Numeric Array uses in For Loop for Declaration and Initialization as numeric index values are store and access. ex:- For Loop with…
Docker Error: Auzre RHEL 7.4 “Requires: container-selinux >= 2:2.74”
Solutions: Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at…
Protected: Digital Marketing Team Goals – 2020
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Top 50 Tools – Platform – Library – Scripting – Framework for Web Developer in 2020
Tools git sourcetree chrome-developer-tools firebug postman adobexd adobephotoshop Cloud aws github godaddy cpanel Framework android xmapp laravel Concept microservices Operating System ubuntu centos Programming Language php Web…
Python Interview Questions and Answer Part – 2
Which argument would you use in a Python function to obtain a dictionary of all the named arguments passed? Keyword Arguments (**kwargs) (Ans) *args The NoneType argument…
Python Interview Questions and Answer Part – 1
What Python function is used to open files? open_file() file() new_file() open() (Ans) What does the pass keyword do? Passes control to another function Continues to the…
How many types of loops are there in PHP?
While Loop:-While loop keeps repeating an action until a condition returns false. Nested While loop:-Nested while loops work as while loop but in this case, you use…
Complete Reference: WordPress Debugging & Troubleshooting Guide
Any wordpress issues and problem may be caused by a variety of issues, including: Part – 1- Enable debugging mode in WordPress, follow the steps: Edit wp-config.php…
Protected: DevOps School Video Work Daily CheckList for Multimedia Team
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How to disable/Uninstalling Jenkins a plugin when Jenkins is down using command line?
Issue A plugin is preventing Jenkins to restart I need to disable a plugin and Jenkins is down How to Uninstall a jenkins plugin using command line?…
Shell Script to Install Ansible AWX in RHEL 7 and CENTOS 7
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
Onbaording Checklist for Trainer with DevOpsSchool.com
Step 1 – CV evaluation from Tier 1 trainers of DevOpsSchool.comStep 2 – 30 mins tech Interview with Tier 1 trainersStep 3 – Training Materials Validation and…
How to do Pre Test and Post Test using DevOps School LMS?
Step 1 – Login using your existing gmail account on https://www.devopsschool.com/lms/login/index.php Step 2 – Select a Course name called “DevOps All Quiz” Step 3 – Select a…