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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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2298 articles

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

How to prevent user from using old password (or re-using) again in Linux

How to prevent user from using old password or reusing old password while providing new password in CentOS/RHEL 7 Password has been already used. Choose another

Deepak Prasad2 min read
system-administration

Steps to join/add CentOS 8 to Windows Domain Controller (RHEL 8)

Step by step tutorial to join or add CentOS 8 to Windows Domain Controller running on Windows Domain Controller Active Directory on 2012 R2 using winbind RHEL 8

Deepak Prasad10 min read
linux

How to generate sosreport in rescue mode on Software RAID (RHEL/CentOS 7)

How to generate sosreport in rescue mode linux. Fix sosreport command not found. Boot using RHEL/CentOS DVD to rescue mode in linux with software raid linux

Deepak Prasad3 min read
tools

Fix: the domain status of virtual connect manager is not ok update will not continue

Earlier I was getting an error "The domain status of Virtual Connect Manager is not OK Update will not continue" while performing firmware upgrade of my Virtual Connect wherein one of my VC module had a hardware error …

Deepak Prasad5 min read
tools

How to configure port forwarding in VirtualBox for NAT Networking

Configure port forwarding in virtualbox NAT Networking using command line CLI using VboxManage GUI. ssh into virtualbox from windows port forwarding computer

Deepak Prasad8 min read
linux

Configure FTP server and pam.d to authenticate users with AD (CentOS/RHEL 7/8)

Configure FTP Server and authenticate users from Active Directory for VSFTPD server in CentOS/RHEL 7 and 8 Linux. Connect FTP Server from AD user in Linux

Deepak Prasad4 min read
linux

How to PROPERLY change mount point name in Linux

Step by step instructions to change mount point name in Linux. Change mount point name without any downtime or any data loss. 100% risk free steps.

Omer Cakmak5 min read
programming

Hackerrank Solution: Validating Email With a filter in Python

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Bashir Alam5 min read
linux

How to Install Apr And Apr-Util in Linux

Step by Step instructions to install apr and apr-util in Linux. 2 different ways to install apr and apr-util. Install from github page on ubuntu, debian, centos, redhat, rocky linux, alma linux etc

Omer Cakmak5 min read
programming

Hackerrank Solution: Triangle Quest in Python [3 Methods]

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Bashir Alam3 min read
linux

Install Lex and Yacc in Kali Linux [Step-by-Step]

Step by step instructions to install lex and yacc in Kali Linux with best practices

Omer Cakmak4 min read
programming

Hackerrank solution: No Idea! in Python [5 Methods]

5 different ways to solve no idea hacker rank question with explanation in python and python3

Bashir Alam5 min read
programming

Hackerrank Solution: Find Angle MBC in Python [4 Methods]

4 different ways to solve find angle mbc hackerrank solution in python3.

Bashir Alam3 min read
programming

Hackerrank Solution: How to check leap year in Python

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Bashir Alam5 min read
programming

How to use Node.js REPL Effectively

node repl import, node.js repl commands, command to start node repl, node rep commands history

Steve Alila7 min read
programming

An in-depth Explanation of Node.js Global Objects

which choice is not a node.js global object, node js global variable across files, nodejs global typescript. JavaScript avails objects you can use in your Node script without importing. Some of the objects are Buffer, …

Steve Alila6 min read
programming

[SOLVED] Using golang while loop with Examples

golang while true, golang while loop example, golang infinite loop, golang while loop through structs, maps, interface. golang while loop through slice, arrays, range

Antony Shikubu11 min read
linux

Steps to install gcloud on Linux [100% Working]

Step by step instructions to install gcloud cli on Ubuntu (Debian based) and Rocky Linux (Red Hat based).

Omer Cakmak8 min read
linux

How to install Pyrit in Kali Linux [100% Working]

Step by step instructions to install pyrit on Kali Linux. Pyrit can make use of the advanced number-crunching capabilities of your video card’s processor to more quickly compute and compare the hashes to the captured …

Omer Cakmak6 min read
programming

2 ways to add fractions in Java [Practical Examples]

Multiple code examples to show how to add fractions in Java. Add two or multiple fractions.

Azka Iftikhar4 min read
programming

NumberFormat Class in Java Explained

Some of the task performed by the NumberFormat class in Java are Formatting Numbers, Setting number of Digits in Fraction part, Rounding Numbers, Formatting Percentage, Formatting Currency

Deepak Prasad6 min read
programming

Solved: Node.js create directory if doesn't exist

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Steve Alila5 min read
programming

Nodejs write file simplified with 4 easy examples

Apart from knowing the structure of the fs module, you need to comfortably Nodejs write files ending in .txt, .html, .js, and .json extensions. That calls for

Steve Alila7 min read
linux

5+ Linux Screenshot Tools with Examples [GUI and CLI]

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Omer Cakmak5 min read
security

Using WPA2 WiFi Honeypot for Ethical Hacks [Step-by-Step]

Create a malicious WiFi honeypot to steal passwords and other personal information of our targets.

Kennedy Muthii7 min read
programming

Solved: Get current directory in Node.js [4 Examples]

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Steve Alila4 min read
system-administration

How to PROPERLY boot into single user mode in RHEL/CentOS 7/8

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Deepak Prasad4 min read
programming

Complete Tutorial on Node.js Passport

Node.js passport simplifies user authentication and authorization when building web applications. Despite the usefulness of passport.js, you may fail to

Steve Alila10 min read
programming

How to log an object in Node.js

Learning how to log an object in Node.js helps you work with objects comfortably. Although you can use multiple ways to console-log an object's content, the

Steve Alila6 min read
devops

How to assign Pods to Nodes | Kubernetes Node Affinity

In this tutorial we'll show how we can use node affinity to schedule application pods as per our needs.

Deepak Prasad7 min read