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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: Python Merge the Tools [Strings]

In this tutorial we share different methods to solve hackerrank python merge the tools solution

Bashir Alam5 min read
programming

Python append() vs extend() in list

In this tutorial we will cover multiple examples to understand the difference between list.append() vs list.extend() method. We will [erform a 1 to 1 comparison between these methods.

Deepak Prasad6 min read
programming

HackerRank Solution: Python Word Order

In this tutorial we will share different solutions to solve word order problem from Hacker Rank Python

Bashir Alam5 min read
programming

SOLVED: List unique characters from a string in Python

As we know, that the set data structure only stores the unique elements in it. It does not allow repeated values. So, we can utilize this feature to list

Deepak Prasad4 min read
databases

Pandas dataframe explained with simple examples

Related Searches: pandas dataframe, pd dataframe, python dataframe, pandas create dataframe, python pandas dataframe, create dataframe, create dataframe pandas

Bashir Alam16 min read
databases

Python Pandas Tutorial

Standard python distribution does not come with pandas. We have to manually install pandas in our local environment. We can use pip to install python pandas

Bashir Alam11 min read
programming

Flask Templates with Jinja2 Explained in Detail

Jinja2 is python based template engine used in flask, it is built in flask, so you do not need to download a separate package to use jinja2 with flask, it is installed with flask.

Deepak Prasad12 min read
databases

How to PROPERLY Rename Column in Pandas

In this tutorial we will learn use pandas dataframe.rename() and other methods to rename column in a List, CSV files, Dictionaries or any other type of object in Python.

Deepak Prasad16 min read
programming

How to slice dictionary in Python? [SOLVED]

In this article, we will see one of the most asked and confusing problems: slicing a dictionary in Python. Slicing a dictionary means obtaining the subsets of

Deepak Prasad4 min read
databases

Mastering Pandas Groupby Method [Basics to Advanced]

Learn how to master the Pandas GroupBy method for data grouping and aggregation in Python. From basic syntax to advanced features, this guide covers essential topics like sum(), mean(), filtering, and more to help you …

Bashir Alam16 min read
programming

Convert entire dataframe to lower case

There are multiple methods to convert lower case entire dataframe in Python Pandas.

Azka Iftikhar3 min read
programming

HackerRank Solution: Python Reduce Function

3 ways to solve reduce function in python hackerrank solution, reduce function in python3 hackerrank solution, reduce function in python

Bashir Alam4 min read
databases

Pandas Pivot Simplified [In-Depth Tutorial]

Unlock the full potential of data manipulation with our comprehensive guide on Pandas Pivot. Whether you're a beginner or a pro, we cover everything from syntax and parameters to best practices and common pitfalls. …

Deepak Prasad15 min read
programming

HackerRank Solution: Python Time Delta

In this tutorial we will provide different solutions to solve Python Delta Time Question from Hacker Rank

Bashir Alam5 min read
programming

HackerRank Solution: Python Iterables and iterators [Itertools]

There are 4 different methods to solve iterables and iterators hackerrank solution python. Simple solution, Using lambda function, Using list comprehension, Using for loop

Bashir Alam5 min read
programming

HackerRank Solution: Athlete Sort Python [3 Methods]

3 different ways to solve hackerrank solution on athlete sort in Python programming language

Bashir Alam5 min read
programming

Hackerrank Solution: Regex Substitution in Python

regex substitution hackerrank solution python, hackerrank regex solution, hackerrank regex solution python, hackerrank regex solution python3, hackerrank regex substituion solution

Bashir Alam5 min read
programming

Hackerrank Solution: Map and lambda function in Python

map and lambda function hackerrank solution, Python program to print fibonacci series using lambda function, python - How to write the Fibonacci Sequence, Print Fibonacci Series using lambda and map or reduce, Map and …

Bashir Alam4 min read
cloud

Deploy Openstack using Kolla Ansible [Step-by-Step]

Step by step instructions to deploy openstack using kolla ansible with screenshots.

Deepak Prasad9 min read
cloud

Ansible Azure Examples | Querying Azure VMs with Ansible

using ansible in azure to query vms. Examples to use ansible with Microsoft azure

Sahil Hulage11 min read
programming

Steps to Create Python Web App | Python Flask Example

life cycle of creating a python web app that allows user to create, edit and delete blog posts. We used flask for the back-end, jinja2 engine that comes with flask and sqlite3 as a database for our python web app

Deepak Prasad21 min read
programming

Getting started with CGO using Visual Studio Code

Getting started with cgo language. How to use it with Visual Studio Code. Calling C code with GO or calling GO code with C. Create Hello World cgo code.

Deepak Prasad9 min read
system-administration

Solved: Error populating transaction, retrying RHEL/CentOS 7/8

How to fix starting package installation process error populating transaction, anaconda is retrying faced during RHEL/CentOS 7/8 installation in Linux

Deepak Prasad4 min read
programming

Java main method Explained [Easy Examples]

Different ways to use Java main method are using void, static, public, string arg[] keyeords in programming language

Bashir Alam20 min read
devops

Setup KVM HA Cluster | Pacemaker GUI | RHEL/CentOS 8

Step-by-Step Tutorial to configure KVM HA Cluster using Pacemaker GUI (WEB UI) and CLI tool in RHEL and CentOS 8 Linux. Configure Virtual Floating IP, verify failover

Deepak Prasad15 min read
system-administration

How to configure VLAN with bond using kickstart in Linux (CentOS/RHEL 7)

How to configure vlan with bond using kickstart in RHEL/CentOS 7. You can configure using network --vlan or using %post section of kickstart with examples.

Deepak Prasad4 min read
linux

Setup IPv4 UEFI PXE Boot Server Ubuntu 20.04 [cloud-init]

Step by Step instructions to install and setup ipv4 UEFI PXE Boot Server for automated installation of Ubuntu 20.04 using cloud-init configuration file.

Deepak Prasad17 min read
linux

Setup PXE Boot Server using cloud-init for Ubuntu 20.04

Step by step instructions to install and configure PXE boot server to perform automated installation of Ubuntu 20.04 using cloud-init configuration file

Deepak Prasad17 min read
programming

Getting started with Forge Laravel

Deploying and managing web applications can be challenging, especially when dealing with server setup, configuration, and maintenance. Forge Laravel is a

Steve Alila8 min read
storage

Advanced Tips to Improve Disk IO Performance in Linux

Explore comprehensive strategies to improve disk IO performance, from optimizing kernel parameters to leveraging virtualization tools. Unlock the full potential of your system and achieve faster, more efficient disk …

Deepak Prasad17 min read