How to monitor Kubernetes Pod and Sidecar Container Resources
In my earlier article I had explained about Kubernetes Resources and how to assign resource quota in a namespace. Now let's make things more interesting and
How is Artificial Intelligence Going to Change the World?
Artificial intelligence (AI) was once a sci-fi fantasy but is now an everyday reality, permeating every aspect of our lives. AI isn't only another tech
How to configure iSCSI target on Ubuntu
In this tutorial I will share the steps to create iSCSI target using Ubuntu 22.04 VM installed on Oracle VirtualBox.
COMPLETELY Uninstall Docker in Ubuntu
Step by step instructions to uninstall docker in Ubuntu. Cleanup and Delete all docker resources safely and completely
How to use du to sort files by size?
du stands for disk usage which is one of the most used tool in Unix/Linux to estimate the file space usage. Here are some commonly used command arguments and
10+ rpmbuild command examples in Linux [Cheat Sheet]
rpmbuild command in Linux is used to build RPM packages. An RPM package is of two types: source RPM and binary RPM. A binary package contains the software to
10+ swapon and swapoff command examples in Linux [Cheat Sheet]
How to create a swap file in Linux? Different examples to use swapon command Enable all swaps devices and files, Display swap usage summary, Disable all swap devices and files, Reinitialize the swap space, Display swap …
15 tune2fs command examples in Linux [Cheat Sheet]
tune2fs command examples, tune2fs uuid, tune2fs example, tune2fs xfs, tune2fs reserved space, man tune2fs, tune2fs command allows to mcq, tune2fs has journal
10+ losetup command examples in Linux [Cheat Sheet]
Manage loop devices in Linux using losetup command. Complete cheat sheet on using losetup command with examples
10+ mke2fs command examples in Linux [Cheat Sheet]
Multiple mke2fs command examples in Linux with cheat sheet for different scenarios.
10+ tcpdump command examples in Linux [Cheat Sheet]
Capture TCP or UDP packets using tcpdump command in Linux. Capture packet for specific interface, specify source and destination.
10+ traceroute command in Linux [Cheat Sheet]
Use traceroute command to trace the route from a switch to a host device and helps in troubleshooting network unreachable issues by identifying the network hops
rmmod Command Examples in Linux
The rmmod command in Linux is used to remove a module from the linux kernel.
Increase load with stress command in Linux [Cheat Sheet]
Use stress command to increase load on CPU, Memory, Disk and Disk I/O with examples.
9 screen command Examples in Linux [Cheat Sheet]
The syntax for screen command is as follows:
15+ Tips to PROPERLY sort files in Linux [Cheat Sheet]
The simplest way to sort files in Linux is to sort them alphabetically by name. This is done using the ls command with the -l option and piping it to the sort
How to reduce Git repo size with git filter-branch
In this tutorial, we'll learn how to shrink or reduce Git repo size using git filter-branch. We'll cover identifying large files, safely removing them, and cleaning up to maintain a more efficient and manageable …
Move content to another Git Repo and Preserve History
It is easy to move content from one git repo to another by following straightforward steps. It starts by understanding the key commands needed in the process.
Pulling is not possible because you have unmerged files
The error message "Pulling is not possible because you have unmerged files" is a response from Git when you attempt to execute a git pull operation while
CompTIA PenTest+ (PT0-002) Exam Dumps with Practice Questions
Since you are here so I can only assume you are also interested in becoming cybersecurity penetration tester, also called an Ethical Hacker. This tutorial is
Learn about SQL Injection Attack with Example
People say they know what SQL injection is, but all they have heard about or experienced are trivial examples. SQL injection is one of the most devastating
Beginners guide on PKI, Certificates, Extensions, CA, CRL and OCSP
Understanding overview on PKI, Certificate Authority, Certificate Revocation Lists, Online Certificate Status Protocol, Certification Authorities & Hierarchies
Steps to create Self-Signed Certificate with OpenSSL
Steps with openssl create self signed certificate Linux with and without passphrase. Use self signed certificate with Apache webserver example
Revoke certificate and generate CRL OpenSSL [Step-by-Step]
Step by step instructions to revoke or delete certificate from keystone and generate CRL Certificate Revocation List) using openssl in Linux with example openssl generate crl.
Create SAN Certificate | OpenSSL generate CSR with SAN command line
Create SAN certificate using openssl generate csr with san command line. Openssl sign CSR with Subject Alternative Name. openssl add san to existing certificate
OpenSSL create Client Certificate & Server Certificate with Example
Steps to create client certificate and server certificate using your own Certificate Authority chain (CA bundle) and configure Apache with SSL (HTTPS)
How to create Self-Signed CA Certificate with OpenSSL
Learn how to generate a ca certificate and how to sign a certificate using openssl. Steps to create certificate authority CA and CSR with openssl
Simple Steps to Generate CSR using OpenSSL with Examples
Steps to generate csr (certificate signing request) using openssl in Linux with examples. Create private key with and without passphrase.
Useful OpenSSL command to view Certificate Content
Use openssl to view certificate content for different kinds of certificate. how to read x509 certificate. view certificate details
How to Renew Expired Root CA certificate with OpenSSL
Technically you can't renew expired root CA certificate instead you can create a new root ca certificate using private key with openssl. The new root CA certificate can be used to verify old certificates.