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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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2342 articles

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

How to run NodeJS REPL Inside a Function [Practical Examples]

The NodeJS REPL(Read-Eval-Print-Loop) server provides a programming environment like a Linux shell where a user can evaluate JavaScript expressions and gain access to node modules.

Deepak Prasad6 min read
programming

Beginners Tips for Learning Python

But how do you learn Python as a beginner? Well, there are multiple ways you can go about it.

Deepak Prasad7 min read
programming

Python pass Vs break Vs continue [1-1 Comparison]

Comparison and differences between pass vs break vs continue statement in python with 1-1 comparision and examples.

Deepak Prasad4 min read
security

The Only OpenSSL CheatSheet You Will Need!

In this tutorial we will cover different examples using openssl command, so in short let's get started with our openssl cheatsheet.

Deepak Prasad9 min read
programming

Python Pandas Period.to_timestamp() Example

The simple syntax of the python to_timestamp method is as follows:

Bashir Alam5 min read
programming

Introduction to Python for Machine Learning

We have discussed in detail Python for Machine Learning. We have also talked about the types of Machine Learning. For instance, we have provided brief information about the categories such as Supervised learning, …

Bashir Alam10 min read
programming

What does Python __all__ mean?

Python __all__ is a list of public objects of that module, as interpreted by import *. It overrides the default of hiding everything that begins with an underscore. When we are importing a module, the protected variables …

Bashir Alam5 min read
devops

How to configure Openstack High Availability with corosync & pacemaker

Step by step guide to configure openstack high availability (HA) using pacemaker and corosync for openstack controller nodes with HAProxy and VIP.

Deepak Prasad8 min read
networking

How to create and configure network bridge using nmcli (static & dhcp)

Configure network bridge using nmcli for static and dhcp ip. nmcli connection reload. nmcli onboot. nmcli network manager centos 7. nmcli con add modify

Deepak Prasad7 min read
system-administration

How to enable SSH access & configure network in rescue mode (CentOS/RHEL

Steps to enable SSH access in linux rescue mode and configure network in rescue mode in RHEL/CentOS 7/8 with example transfer sosreport file inst.sshd=1

Deepak Prasad4 min read
storage

Configure LUKS Network Bound Disk Encryption with clevis & tang server

Configure Network Bound Disk Encryption (NBDE) based LUKS Disk Encryption using Clevis and tang Server in CentOS/RHEL 7/8 Linux Boot without password clevis key

Deepak Prasad9 min read
linux

Fix 'there are no enabled repos' & create local repository in RHEL 7 & 8;

Create local repository using yum and dnf in RHEL 7 and 8 Fix there are no enabled repos Perform yum install without subscription. Create Offline yum repo Linux

Deepak Prasad10 min read
security

How to check security updates list & perform linux patch management RHEL

Perform Linux patch management in RHEL 6/7/8 Linux in LIVE production environment. Identify vulnerabilities list and security updates list then apply patch

Deepak Prasad11 min read
programming

Create pyplot figure with matplotlib [In-Depth Tutorial]

matplotlib.pyplot is a sub-library of Python's matplotlib library that provides convenient ways to create static, animated, and interactive visualizations in

Deepak Prasad9 min read
programming

How to make circular color gradient in Python?

A color gradient is a way to smoothly transition between two or more colors. A circular gradient is a type of color gradient that transitions in a circular

Deepak Prasad7 min read
programming

HackerRank Solution: Maximize it [Python Itertools]

Note that you need to take exactly one element from each list, not necessarily the largest element. You add the squares of the chosen elements and perform the

Bashir Alam5 min read
programming

HackerRank Solution: Validating Postal Codes Python

A valid postal code P have to fullfil both below requirements:

Bashir Alam5 min read
programming

Hackerrank Solution: Compress the string Python

Hacker Rank Solution for Compress the string in Python. 3 different ways to solve "compress the string" question from hacker rank

Bashir Alam4 min read
databases

8 methods to get size of Pandas Series/DataFrame Object

In this tutorial we will cover different examples using multiple methods to get size of dataframe or series object in Pandas. Get column or rows count, entire dataframe size, values count and much more

Deepak Prasad9 min read
databases

Foreign Key in SQL Usage Explained [Practical Examples]

Foreign Key in SQL can be specified as the referential integrity in Relational Database management system, in technical term foreign key in SQL is a constraint which links attribute of one table with the attribute of …

Falguni Thakker8 min read
programming

Master Python set intersection()

In python, we have a python set intersection method that consists of all the common elements of the input sets.

Bashir Alam15 min read
programming

Numpy random Examples | rand() | randint() function

The Numpy random method in Python helps us to create random numbers. You can use random.rand(), random.randint(), random.uniform() function to generate random numbers

Bashir Alam10 min read
programming

Is golang tuple possible?

By design golang tuple is not possible but we can work around this by using interfaces and generics.

Tuan Nguyen4 min read
devops

Effective Cybersecurity Measures for Mac Owners

Use these cybersecurity measures to protect your Mac from malware. Learn the best Mac security methods and software to protect your computer from hackers.

Deepak Prasad6 min read
linux

How to Keep Alive SSH Sessions in Linux?

Discover best practices to Keep Alive SSH Sessions in Linux with TCP Keep Alive, ServerAliveInterval and ClientAliveInterval settings, ensuring uninterrupted sessions even during network inactivity.

Omer Cakmak13 min read
databases

Master SQL Mapping Cardinality: Novice to Expert

Discover the transformative power of SQL Mapping Cardinality in crafting robust and efficient databases. Elevate your database designs to new levels of excellence and precision.

Deepak Prasad11 min read
devops

Use Ansible Handlers Like a PRO: Don't be a Rookie

Handlers are tasks that only run when notified. Each handler should have a globally unique name. Ansible Handlers always run in the order they are defined, not in the order listed in the notify-statement.

Deepak Prasad11 min read
devops

Ansible Tags: Your Shortcut to Smarter Automation

Explore the dynamic world of Ansible Tags to streamline your automation tasks. Our guide delves into the essentials of using tags in Ansible playbooks, offering insights and strategies for efficient task management. …

Deepak Prasad12 min read
programming

How to PROPERLY clean Laravel logs?

There are several methods to clean Laravel logs, depending on the specific logs you want to clean and how you want to do it. Here are some common methods:

Steve Alila6 min read
security

How to use Andriller - Forensic Tool [SOLVED]

Andriller is a popular and comprehensive android forensic tool that provides a powerful suite of features for forensic experts and law enforcement agencies to

Kennedy Muthii5 min read