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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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  • Networking: Network setup, troubleshooting, and protocols
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  • Tools: Useful tools and utilities for productivity

3098 articles

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

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
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
programming

Java WatchService Examples [Monitor Directory and Files]

The Java WatchService can monitor a Path for changes to any file or directory in the hierarchy. We can choose to receive events when files or directories are added, modified, or deleted.

Azka Iftikhar7 min read
storage

5 easy steps to recover LVM2 partition, PV, VG, LVM metdata in Linux

Steps to recover LVM2 partition accidently deleted or removed. Restore PV (physical volume), restore VG (volume group) and restore LVM metadata in Linux

Deepak Prasad11 min read
cloud

Azure Resource Locks Usage Explained [Examples]

There are two types of azure resource locks i.e. read-only and delete lock. Azure Resource manager locks allow organizations to put safeguards in place that prevent the accidental deletion or modification of resources in …

Sahil Hulage10 min read
linux

Solved: Failed to restart network.service: Unit network.service not found in RHEL 8

Network scripts are deprecated in Red Hat Enterprise Linux 8 and they are no longer provided by default. In Red Hat Enterprise Linux 8, to run the ifup and the ifdown scripts, NetworkManager must be running. By default …

Deepak Prasad3 min read
linux

Solved: lvextend new size given (xx extents) not larger than existing size (xx extents)

The other day while trying to recover my LVM2 volume, I was doing some POC work and while using lvextend I encountered this error "New size given (XXX extents) not larger than existing size (XXX extents)" and it was not …

Deepak Prasad3 min read
devops

Step-by-Step Tutorial: Install Docker on CentOS 7 with LVM Thin Provisioning

What is Docker and Docker vs Kubernetes vs Mesos container. Step by Step guide How to install Docker on CentOS 7 Linux. yum install docker centos 7

Deepak Prasad9 min read
cloud

Azure Kubernetes Service (AKS) Tutorial

Azure Kubernetes Service (AKS) is a managed Kubernetes container orchestration service in Azure. It helps removing the complexity of implementing, installing, maintaining, and securing Kubernetes in Azure

Sahil Hulage7 min read
linux

How to ignore certificate check in wget? [SOLVED]

wget is a popular command for downloading files from the internet with protocols such as HTTP, HTTPS, and FTP. With the terminal emulator you use, you can

Omer Cakmak3 min read
linux

How to install certbot [Let's Encrypt] on Rocky Linux 9

Step by Step instructions to install and generate certs using Let's Encrypt (certbot) on Rocky Linux 9. Generate and deploy certs for Nginx and Apache server.

Omer Cakmak7 min read
linux

Solved: Steps to PROPERLY mount ISO Image in Linux

mount iso linux ubuntu, how to mount iso image in linux virtual machine, mount windows iso in linux, how to mount iso file in linux command line

Omer Cakmak6 min read
networking

Analyze TCP Receive Window with Wireshark [Step-by-Step]

Transmission Control Protocol (TCP) is a connection oriented protocol. Before exchanging data between both sides, a connection is established. TCP Receive

Celal Dogan5 min read
cloud

Create VM in Azure with 3 different methods [Step-by-Step]

Step by Step guide to create VM in Azure using Azure Portal, CLI, Powershell with screenshots

Sahil Hulage10 min read
programming

Powerful Pattern Matching Techniques in Python Revealed

Discover the transformative power of pattern matching in Python with our comprehensive guide. Dive into advanced techniques, avoid common mistakes, and harness the true potential of your code.

Deepak Prasad19 min read
programming

Python multi line strings [5 Methods Explained]

In this programming tutorial we learned about 5 different methods include using three double quotes, three single quotes, backslash, brackets, and using join() method to create python multi line strings

Bashir Alam8 min read
programming

How to reverse a string in Java [4 Methods with Examples]

In Java programming language, we can use CharAt() method, getBytes(), toCharArray() and reverse() method to reverse a string in java. Explained with syntax and multiple examples.

Bashir Alam8 min read
programming

How to customize auth route Laravel 8?

By following this tutorial on how to customize auth route Laravel 8, you will have a clear understanding of how to modify the authentication routes in Laravel

Steve Alila9 min read