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Browse the latest tutorials, guides, and practical examples across Linux, DevOps, security, databases, and programming on GoLinuxCloud.

Explore the latest tutorials and guides across Linux, DevOps, programming, and more.

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3098 articles

Blog illustration with latest articles, tutorials, guides, and how-to content across Linux and DevOps topics
programming

HackerRank Solution: Does Path Exist

Adam is standing at point (a, b) in an infinite 2D grid. He wants to know if he can reach point (x, y) or not. The only operation he can do is to move to

Bashir Alam4 min read
programming

HackerRank Solution: Python sWAP cASE [3 Methods]

You are given a string and your task is to swap cases. In other words, convert all lowercase letters to uppercase letters and vice versa.

Bashir Alam4 min read
programming

HackerRank Solution: String Split and Join

In Python, a string can be split on a delimiter.

Bashir Alam4 min read
programming

HackerRank Solution: Python What's your name? [3 Methods]

In this tutorial we are going to explore different methods to solve the hacker rank problem what's your name in Python

Bashir Alam3 min read
programming

HackerRank Solution: Python Mutations

There are 4 possible methdos to solve python mutations from hacker rank using a while loop, One-line solution, Using list comprehension, Using for loop

Bashir Alam6 min read
programming

How to archive username in Java?

To "archive the username" in Java means to store the username for later access and retrieval. This may mean storing the username in a variable, class field,

Deepak Prasad5 min read
databases

How to use SQL delete with JOIN?

SQL delete where join is the combination of SQL JOIN and SQL delete statement. SQL delete statement is used to delete records from a table where as SQL JOIN

Falguni Thakker4 min read
programming

HackerRank Solution: Finding the Percentage

The provided code stub will read in a dictionary containing key/value pairs of name: for a list of students. Print the average of the marks array for the

Bashir Alam5 min read
programming

HackerRank Solution: Python Nested Lists [4 Methods]

In this tutorial we will cover 4 different methods to solve python nested list hackerrank solution using different functions and modules.

Bashir Alam5 min read
programming

HackerRank Solution: Find the Runner-up Score!

In this tutorial we cover 4 different methods to solve find the runner up score hackerrank solution using different python functions and modules

Bashir Alam5 min read
programming

HackerRank Solution: List comprehensions

In this tutorial we explore 3 different methods to solve Python List Comprehension of Basic Data Types problem from Hacker Rank

Bashir Alam5 min read
programming

HackerRank Solution: Python Division

We can solve the Python division hackerrank problem using single or multiple print methods. There are 2 possible solutions.

Bashir Alam3 min read
programming

HackerRank Solution: Python Company Logo

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Bashir Alam4 min read
programming

HackerRank Solution: ginortS in Python

ginorts hackerrank solution, athlete sort hackerrank solution

Bashir Alam4 min read
programming

HackerRank solution: Python Triangle Quest 2

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Bashir Alam4 min read
programming

HackerRank Solution: Words Score in Python

Input format:

Bashir Alam7 min read
programming

HackerRank Solution: Python If-Else

This tutorial explains different solution to solve hackerrank problem Python if else from Introduction section.

Bashir Alam4 min read
programming

HackerRank Solution: The Minion Game

In this tutorial we will share multiple solutions for the minion game from hackerrank.

Bashir Alam6 min read
programming

HackerRank Solution: Python Arithmetic Operators

We can solve python arithmetic operators hackerrank problem using either single print or with multiple print statements

Bashir Alam3 min read
programming

HackerRank Solution: Classes - Dealing with complex numbers Python

Learn how to solve classes: dealing with complex numbers which is asked in HackerRank

Bashir Alam4 min read
programming

HackerRank Solution: Martix Script [Python Regex]

In this tutorial we will cover multiple methods to solve matrix script from hackerrank solutions.

Bashir Alam5 min read
linux

Solved: vncserver service failed a configured resource limit was exceeded

vncserver service failed because a configured resource limit was exceeded tigervnc on RHEL 7, remove temporary files from under /tmp and /tmp/.X11-unix/.

Deepak Prasad4 min read
linux

How to configure bridged network in virt-manager (CentOS / RHEL 7)

Steps to configure bridged network in virt-manager. Virtual Machine Manager provides a graphical tool for administering virtual machines for KVM, Xen etc

Deepak Prasad3 min read
networking

How to create or configure NIC Teaming using nmcli (CentOS / RHEL 7/8)

Learn to configure NIC teaming on CentOS/RHEL 7 Linux node. RHEL 7 implements network teaming with a small kernel driver and a user-space daemon, teamd.

Deepak Prasad7 min read
linux

define ephemeral disk in OpenStack and compare with persistent storage

Define ephemeral storage. Difference between root disk vs ephemeral disk in openstack? Ephemeral storage is non persistent storage unlike cinder swift storage.

Deepak Prasad4 min read
system-administration

How to get complete dependencies list of rpm ?

To find or get complete dependencies list of rpm you can use rpm, yum and repoquery command for both installed and non installed package

Deepak Prasad3 min read
linux

How to protect GRUB2 from booting kernel without password in Linux

Learn to set password to protect grub2 from booting a kernel without password. in rhel 7.To set password and protect grub2 remove unrestricted in menuentry

Deepak Prasad3 min read
linux

Understanding High Availability Cluster and Architecture

Understand thearchitectecture of different kinds of cluster i.e. high performance, load balancing and high availability cluster in Red Hat Linux

Deepak Prasad4 min read
linux

Guide to troubleshoot Cluster Resource (RHEL / CentOS 7)

Configure high availability cluster, create cluster resource and troubleshoot cluster resource for a cluster on Red Hat / CentOS 7 with examples.

Deepak Prasad5 min read
devops

How to create cluster resource in HA Cluster (with examples)

Configure High Availability Cluster and configure cluster resource and add behind the cluster in CentOS and Red Hat 7 Linux using pcs resource create..

Deepak Prasad8 min read