Author

Deepak Prasad

Deepak Prasad

R&D Engineer

at · 1797 articles published

Founder of GoLinuxCloud with 15+ years of expertise in Linux, Python, Go, Laravel, DevOps, Kubernetes, Git, Shell scripting, OpenShift, AWS, Networking, and Security. With extensive experience, he excels across development, DevOps, networking, and security, delivering robust and efficient solutions for diverse projects.

Areas of expertise

Author profile illustration for Deepak Prasad — technical writer at GoLinuxCloud
Founder of GoLinuxCloud with 15+ years of expertise in Linux, Python, Go, Laravel, DevOps, Kubernetes, Git, Shell scripting, OpenShift, AWS, Networking, and Security. With extensive experience, he excels across development, DevOps, networking, and security, delivering robust and efficient solutions for diverse projects.

This is page 54 of 60 listing tutorials and guides by Deepak Prasad. GoLinuxCloud publishes 1797 articles from this author on Linux administration, cloud platforms, and DevOps automation.

Articles by Deepak Prasad

system-administration

Create KVM virtual machine | virt-manager | RHEL CentOS 8

Step-by-Step Guide to create KVM Virtual Machine using Virtual Manager in RHEL and CentOS 8 Linux. Create VM, Take Snapshot, Assign Networks using Virtual manager GUI

Deepak Prasad6 min read
linux

Install MongoDB on AlmaLinux 8 [Step-by-Step]

Step by Step instructions to install mongodb on AlmaLinux 8. Access mongodb shell, create admin user, establish a connection with mongodb server using a different client. configure firewall and selinux

Deepak Prasad6 min read
system-administration

3 simple and useful tools to grep multiple strings in Linux

How to grep multiple strings and patterns in single line from a file in Linux or Unix? Is it possible to grep multiple strings using single command from a file?

Deepak Prasad10 min read
linux

Remove Directory in Linux PROPERLY & SAFELY

In this tutorial I have shared the commands and examples to remove directory in Linux properly without loosing any data. Delete directories and sub directories using single command with and without regex

Deepak Prasad5 min read
devops

Mount ConfigMap as file in existing directory - K8s

Mount ConfigMap as file into an existing directory in Kubernetes with and without helm charts. Mount files into an existing volume inside Pod container.

Deepak Prasad5 min read
devops

Mount multiple K8 secrets to same directory

Step by step instructions to mount multiple secrets to same directory in Kubernetes. 4 different ways to mount multiple secrets to same path.

Deepak Prasad6 min read
system-administration

How to install Oracle Virtual Box on Linux (CentOS / RHEL 7)

Step by step Guide to install Oracle Virtual Box on RHEL / CentOS 7 Linux. To install Oracle Virtual Box you need EPEL repo. Oracle Virtual 5.2 is out now

Deepak Prasad3 min read
programming

Getting started with GOLANG | Write your first GO Code

Getting started with go, installing go using package manager, install go-1.19, setup your own go workspace, What is GOPATH and GOROOT, How to integrate visual studio code with GO, Required extensions for GO in visual …

Deepak Prasad12 min read
databases

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(), CURRENT_TIME, CURTIME(), CURRENT_TIMESTAMP(), …

Deepak Prasad18 min read
programming

Currying Function in Java Explained

In Java, currying function is the mechanism of breaking down a multi-argument function to form the multiple functions with single arguments such that the output remains same.

Deepak Prasad6 min read
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
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
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
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
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
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
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
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
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
linux

10 practical examples of tmux configuration with examples

In this tutorial I will use tmux.conf and show different examples to modify your tmux configuration such as define custom prefix key etc

Deepak Prasad7 min read
programming

8 ways to convert long to String in Java

The list below shows eight different ways in which we can convert long to string in Java. Using + operator, String.valueOf(), Long.toString(), DecimalFormat class, String.format(), StringBuilder class, StringBuffer …

Deepak Prasad7 min read
linux

Create Stratis File System (thin provision) with examples (CentOS/RHEL 8)

Stratis Architecture, Steps to create stratis file system with thin provision, create stratis pool, mounting stratis file system on rhel 8 linux with examples

Deepak Prasad10 min read
databases

Use SQL COUNT DISTINCT Like a PRO: Don't be a Rookie

Enhance your data management prowess by mastering SQL COUNT DISTINCT. Our comprehensive guide demystifies this powerful tool, empowering you to extract unique insights and overcome common data challenges with confidence

Deepak Prasad16 min read
system-administration

How to Disconnect and Kill a Hung SSH Session

Steps to disconnect hung ssh session. Kill ssh session. Terminate stuck ssh session. Kill unresponsive ssh session. Disconnect pssh session in Linux

Deepak Prasad14 min read