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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
linux

Understanding resource group and constraints in a Cluster with examples

Understand resource group and constraints with examples in Cluster. Different types of constraint, adding existing resource to group, High Available Cluster

Deepak Prasad6 min read
linux

OpenStack Command Line Cheat Sheet (Beginner's Guide)

OpenStack command line cheat sheet for begineer. This CLI cheat sheet consists of Flavor, Identity, Compute Nova, Neutron Network, Block Storage, Guestfish

Deepak Prasad4 min read
system-administration

Step-by-Step Tutorial: Guide to install systemtap in Linux

Tutorial guide to install systemtap (stap) to extract, filter and summarize data to enable diagnosis of complex performance. Systemtap Tutorial Linux

Deepak Prasad6 min read
system-administration

How to set default boot kernel on Linux ( CentOS / RHEL 7 )

How to set default boot kernel in linux? Change the default boot entry for kernel ? Boot with old kernel version ? Revert to previous kernel version ?

Deepak Prasad3 min read
linux

How to install and configure two node cluster in Linux ( CentOS / RHEL 7 )

How to install configure two node cluster in linux on centos rhel 7 using vmware virtualbox corosync-quorumtool two_node wait_for_all auto_tie_breaker

Deepak Prasad5 min read
devops

How to configure HA LVM cluster resource to share LVM in Linux

How to configure HA LVM on CentOS / RHEL 7 Linux without GFS2. How can I configure cluster service or resource to activate and monitor shared LVM volumes?

Deepak Prasad7 min read
system-administration

How to delete iscsi target from initiator ( CentOS / RHEL 7 ) Linux

How to delete iscsi target? Remove inactive iscsi target? Remove iscsi storage target from initiator? Remove iscsi virtual disk on CentOS / RHEL 7 Linux.

Deepak Prasad3 min read
linux

Understanding nova compute architecture basics in Openstack (flow chart)

nova compute architecture , what is the role of nova-api, nova-scheduler, nova- console, nova-conductor, nova-console-auth, nova-compute service in OpenStack

Deepak Prasad4 min read
linux

How to restrict root user to access or modify a file and directory in Linux

Restrict and prevent access to root user for files and directories in linux using extended attributes chattr. Root and all users will be restricted to modify

Deepak Prasad4 min read
linux

How to disable tty or enable tty console in Linux ( RHEL / CentOS 7)

How to enable tty for more than 6 console. How to disable all the tty terminals in Linux. systemd disable tty. systemd enable tty using getty service in Linux.

Deepak Prasad3 min read
programming

SHELL/BASH: How to create an interactive calculator in Linux

Sample shell script to create an interactive calculator using bc command to perform add, subsctract, multiply. divide, sine, cosine etc mathematical function.

Deepak Prasad3 min read
programming

Calculate Loan EMI Amount in Bash script Linux

Calculate loan EMI amount, interest and principle using bash or shell script in Linux with example. The script can be created online and runtime value.

Deepak Prasad5 min read
storage

How to boot Linux host from LVM snapshot using BOOM (CentOS/RHEL 8)

Step by Step guide to boot CentOS/RHEL 8 or 7.5 and higher Linux with LVM snapshot using BOOM. with examples. Merge LVM snapshot and delete boom profile later.

Deepak Prasad8 min read
databases

SQL select first row in GROUP

In this tutorial we will cover different methods and examples to select first row in GROUP BY clause group in SQL. But before that let us create a sample

Falguni Thakker5 min read
databases

Insert results of stored procedure into temp table

In this article of Insert into temp table stored procedure, We have covered overview of SQL stored procedure, how to create stored procedure in SQL, syntax of SQL stored procedure, overview of temp table in SQL, what are …

Falguni Thakker4 min read
programming

HackerRank Solution: Python Pilling Up [Collections]

There are 3 methods to solve hackerrank python piling up problem. Using collection module, Using loops, Using if-else statement

Bashir Alam5 min read
cloud

Azure ARM Templates Explained with Examples

Azure ARM templates are an Infrastructure as Code (IaC) methodology of deploying resources in the Azure cloud. They use declarative JSON to define resources and configurations.

Sahil Hulage10 min read
cloud

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 enable auditing across our organization. Azure Policy does this …

Sahil Hulage8 min read
cloud

Azure Active Directory Basics Explained

Azure Active Directory is the IAM service for the Azure cloud. Different AD features are IAM Platform, Identity Security, Collaboration and Development, Monitoring, identity Integration and Enterprise Access

Sahil Hulage8 min read
cloud

Azure Blob Storage Lifecycle Management with Examples

Configure Object Replication, create storage account and configure Azure blob storage lifecycle management with step by step examples and screenshots from Azure portal

Sahil Hulage10 min read
cloud

Azure File Share Explained [Tutorial With Examples]

Azure Files is a completely managed file share that you can mount just like any SMB file share. Create Azure File Share and mount the share on Linux VM with example screenshots and commands.

Sahil Hulage9 min read
cloud

Configure Azure Point To Site VPN Connection [Step-by-Step]

Step by step instructions to configure azure point to site vpn connection (P2s) with screenshots.

Sahil Hulage6 min read
cloud

Create Azure Function in Visual Studio [Step-by-Step]

Step by step instructions to create azure function in visual studio with examples. Create HTTP trigger based azure function.

Sahil Hulage7 min read
cloud

Azure Logic Apps Tutorial [Practical Examples]

The Azure Logic Apps are a logical container for one workflow you can define using triggers and actions. A trigger can instantiate a workflow, which can consist of one or many activities (actions).

Sahil Hulage5 min read
cloud

Azure App Service Tutorial

Azure App Service is a Hypertext Transfer Protocol (HTTP)-based web application hosting service. It can be integrated with Visual Studio for creating, deploying, and debugging with the dedicated available tools.

Sahil Hulage5 min read
cloud

Azure Site Recovery (ASR) Tutorial

Step by Step instructions to learn about Azure Site Recovery (ASR). Practical example by performing a site recovery using a VM in Microsoft Azure with Replication.

Sahil Hulage5 min read
cloud

Deploy and Configure Azure Application Gateway

Step by step instructions to deploy and configure Azure Application gateway with practical example

Sahil Hulage5 min read
cloud

How To Deploy Azure Cosmos DB

Step by Step instructions to configure and deploy Azure Cosmos DB with practical examples

Sahil Hulage5 min read
cloud

Azure Web Application Firewall Deployment [Hands On]

Step by step instructions to create an Azure WAF (Web Application Firewall) to protect Front Door applications with hand on.

Sahil Hulage5 min read
cloud

Steps to deploy and configure Azure Front Door

Step by step instructions to deploy and configure Azure Front Door with screenshots and examples

Sahil Hulage5 min read