Deepak Prasad

Learn how to use chmod recursive (-R) in Linux with clear examples. Change permissions for all files or directories using 755 or 777, avoid common mistakes, and restore permissions safely.

Learn the cat command in Linux with simple, practical examples. This beginner- friendly cheat sheet covers syntax, file creation, appending, line numbers, whitespace detection, and concatenating multiple files.

Learn the AWK command in Linux with practical examples. Covers syntax, patterns, columns, BEGIN/END blocks, loops, scripts, and real-world use cases.

Learn how to install .deb files in Kali Linux using dpkg, apt, and gdebi. Step- by-step commands, dependency fixes, and best practices.

Learn the exact value of Long.MAX_VALUE and Long.MIN_VALUE in Java, why overflow happens, and how to safely handle large numbers with clear examples.

How to create, read, modify, find and remove dashed filename and directories in Linux. Open and access files & directories starting with (dash) and double dash (--)

Git remote add is a git command that enables developers to work on a central remote repo by creating remote duplicates. Remote add command serves as a means through which collaborators for a project can independently …

How to set up proxy on Linux using http_proxy and https_proxy environment variable. Export the variables or set using /etc/environment and /etc/profile.d script

How to export the variable "http_proxy" or "https_proxy" when there are special characters in username or password in Linux?

Automating video rendering has become a practical necessity for platforms that generate repeated or large-scale media outputs. Music visualizers—dynamic

You can use either ProxyCommand or ProxyJump with ssh and scp respectively to connect target host or transfer files through any jump host with examples.

Linux is widely regarded as one of the most secure, flexible, and transparent operating systems, which is why developers, administrators, and privacy-focused

In this tutorial we will share step by step instructions to install Kubernetes on Ubuntu 24.10 using containerd container runtime and Calico CNI. We will be

In today's digital world, updating IT infrastructure is crucial for maintaining a competitive edge. Cloud-based solutions offer businesses the chance to

Compliance and data sovereignty have become defining issues for cloud adoption. Governments are setting strict boundaries on where sensitive information can

Any data collection setup starts with web scraping proxies. Without being restricted or blocked, they enable you to gather a huge amount of data from

How to encrypt hard disk using LUKS in Linux. LUKS is the Linux encryption layer to secure hard disk. Using cryptsetup luksopen to encrypt partition in Linux

Discover the best Node.js development companies to partner with. Explore top firms known for delivering scalable, high-performance, and reliable Node.js solutions for your business needs.

Find the best digital marketing tools 2025. 17 essentials for data, design, and growth. Expert picks. Start improving your strategy today.

Cloud storage is now indispensable for contemporary business functions. It enables companies to store large amounts of data, reduces IT maintenance costs, and

Steps to auto mount LUKS device using key with passphrase in fstab and crypttab in Linux. Boot LUKS encrypted partition without password using luks passphrase

Kubernetes Cluster Architecture contains a controller (master) and worker node. There are three main components in the Kubernetes Cluster i.e. Nodes, Pods and Containers.

In this tutorial we will be setting up the Lab Environment which we will use through out the course of CompTIA PenTest+ Tutorial.

2 different methods to ssh into virtualbox vm using bridged adapter or NAT with prot forwarding

Configure OpenLDAP with TLS certificates on Ubuntu . Secure LDAP connections with TLS/SSL. Create our own CA and sign our certificate to use it with LDAP.

With mutual TLS authentication (MTLS), not only does the service side prove its identity by exposing a certificate, but also the clients prove their identity to the servers by exposing a client-side certificate.

In this tutorial we will cover the steps to install and configure OpenLDAP from scratch and then use the OpenLDAP server as a central authentication server

Elliptic Curve Cryptography (ECC) is an encryption technique that provides public-key encryption similar to RSA. We can generate ECC certificates using openssl and install it on Apache server for verification

Streaming your favorite shows, movies, or live sports should be a smooth experience. However, various factors like geo-restrictions, bandwidth limitations,

If you’ve ever felt like your online world is a bit too open and there's a gaping hole in your digital security, this is where Secure Access Service Edge