Articles by Deepak Prasad
HackerRank Solution: Python Symmetric Difference
In this tutorial, we provided multiple solutions for a HackerRank question on Python sets to identify the symmetric difference between two sets of integers. The …
HackerRank Solution: The Captain's Room
Explore three solutions for the HackerRank "Captain's Room" problem using Python. Learn how to use the Counter module, mathematical formulas, and set operations …
How to check the lock status of any user account in Linux
In this article I will share different methods to check the lock status of a user in Linux or Unix environment. Using these commands and methods you can
How to configure remote port forwarding (openssh & firewall)
How to configure remote port forwarding to bypass firewall openssh. The tunnel is initiated from server-host back to the client. Port forwarding using firewalld …
How to debug Kubernetes OOMKilled Error (Exit Code 137)
OOM is an abbreviation for Out Of Memory and if you are working in IT Field then you may not be new to this term. This can be a nightmare for developers and
How to restrict or allow ssh only from certain users, groups or hosts in Linux
How to allow SSH for root login only from specific host or IP address? How to configure and restrict SSH to permit login only for certain users and/or groups?
How to set up GFS2 with clustering on Linux ( RHEL / CentOS 7 )
configure and setup gfs2 file system with pacemaker cluster on rhel or centos 7 linux. configure gfs2 fs resource constraint using clvmd and dlm
HPE iLO 4 & 5 CLI Commands Cheat Sheet (SSH Command Line Guide)
Learn the most useful HPE iLO CLI commands with this practical cheat sheet. This guide explains how to access the iLO command line using SSH or Onboard …
Securely transfer files between two hosts using HTTPS in Linux
How to configure apache http server to transfer files? Steps to configure apache HTTP server over TLS/SSL to transfer files. How to configure Apache server
Solved: Boot into rescue mode without password (RHEL/CentOS)
difference between rescue mode and emergency mode in linux, rescue mode in linux linux emergency mode repair, rescue mode in linux, grub rescue mode
Spectre v2 mitigation leaves CPU vulnerable to RETBleed attacks in Ubuntu
The other day I noticed this specific message on the console of Virtual Box VM installed with Ubuntu 22.04 RETBleed: WARNING: Spectre v2 mitigation leaves CPU …
Step-by-Step Tutorial: Configure DNS Server using bind chroot (CentOS/RHEL 7/8)
how to configure dns server in rhel 7 or rhel 8 step by step. dns server configuration in linux step by step centos. bind chroot. dns server configuration in …
Step-by-Step Tutorial: Install and configure vnc server RHEL/CentOS 7
Install and Configure VNC Server in CentOS 7 or RHEL 7. Step by Step Guide with examples to install Tiger vnc server in CentOS 7. Install VNC Server on CentOS 7 …
Step-by-Step: RHEL/CentOS 8 installation with screenshots
Step by Step Installation Guide for Red Hat Enterprise Linux 8 Beta. Install RHEL 8 Beta with screenshots. How to install RHEL 8 Beta Linux with images.
5 DNS Enumeration Tools with Best Practices & Examples
5 different tools which can be used to perform DNS enumeration from WIndows or Linux. Examples and Best practices.
