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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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2233 articles

Java main method Explained [Easy Examples]

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

By Bashir Alam · 20 min read · programming

SQL ISNULL Function Explained [Easy Examples]

SQL ISNULL is Advanced SQL function which takes two parameters first one is expression or column name and second is value which is return if expression or …

By Falguni Thakker · 8 min read · databases

Install WireGuard VPN Rocky Linux 8

Step by step instructions to install wireguard VPN on Rocky Linux. Configure network, firewall and test the VPN

By Deepak Prasad · 8 min read · linux

HashSet Java Explained [Easy Examples]

HashSet Java class is used to create a collection that uses a hash table for storage. It inherits the AbstractSet class and implements the Set interface. …

By Bashir Alam · 11 min read · programming

SQL Time Functions Explained [Easy Examples]

SQL Time functions can have different versions in different Database Management Systems like MySQL, ORACLE, and MS SQL Server. NOW(), CURDATE(), CURRENT_TIME(), …

By Deepak Prasad · 18 min read · databases

Generate duplicate certificates OpenSSL CA [Same CN]

Step by step instructions to generate duplicate certificates with OpenSSL CA using the same CSR with same Subject (Common Name) in all the certificates

By Deepak Prasad · 9 min read · security

Azure Policy Explained with Example [Step-by-Step]

Azure Policy is a service in Azure that you use to create, assign and manage policies. These polices are a mechanism through which we enforce compliance and …

By Sahil Hulage · 8 min read · devops

15 usermod command examples in Linux [Cheat Sheet]

usermod command examples in Linux and Unix to modify the attributes of existing users. Change user's primary or secondary groups, home directory, login shell …

By Rohan Timalsina · 6 min read · cheatsheet