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Verify SSL Certificate Using OpenSSL Tools

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This guide provides step-by-step instructions to verify and simulate SSL certificates using OpenSSL commands. 1. Check Individual Certificate Details: Command: openssl x509 -in my.crt -text…
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0

Optimizing CPU Performance in Linux

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Optimizing CPU Performance in Linux: A Comprehensive Guide Introduction Understanding and optimizing CPU performance is crucial for maintaining the efficiency of Linux systems. This guide…
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Set Operations in Linux

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  Set Union The set union operation unions two sets, i.e., join them into one set. We write C = A ∪ B to denote…
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Optimizing Apache MPM Prefork for High Traffic Loads

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Apache HTTP Server is renowned for its reliability and performance. However, the default configuration of Apache may not be optimized for handling high traffic volumes…
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Important windows commands

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Check the remote port status curl -v telnet://<IP>:<Port> Test-NetConnection <IP> -port <Port> Mapping port using SSH tunnel ssh -N  <user>@<remote_host>  -L 8080:localhost:80 This command will…
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Create separate web directory for each Linux user

Apache Webserver
In this article we will configure separate web directory for each Linux user. We will use Apache/2.2.15 (Unix)  web server and Red Hat Enterprise Linux Server.…
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Comments Off on Ansible Exam (RHCE 8) full solution with explanation

Ansible Exam (RHCE 8) full solution with explanation

Ansible Linux
  The RHCE 8 exam is totally based on Ansible. Generally, 15-17 questions are asked to solve in the exam. In this article, I will…
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Install Ansible on CentOS 8

Ansible Linux
Ansible is used to manage and administer multiple servers from a central computer. Installing Ansible on CentOS 8 is very straightforward. Enable epel-release first and…
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1

Recover MySQL 5.7 root Password in Redhat/CentOS 7

Database MySQL
You can recover MySQL 5.7 root Password with following 9  easy steps. These commands will work in Redhat/CentOS 7 Step-1: Stop MySQL server systemctl stop…
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1

SSH login without password in Linux

Linux
For many reasons we need to access remote server automatically without providing password. Specially when you need to copy file through script or programming from…
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How to write automated FTP script in Linux

FTP Linux
In this article I will show you how to write automated FTP script in Linux. File Transfer Protocol (FTP) is typically used to copy files…
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Installing Nginx with PHP support

Nginx PHP Webserver
This article will teach you “Installing Nginx with PHP support” in  CentOS 7/Redhat7  webserver. Nginx has grown in popularity since its release due to its…
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How to access HTML5 local storage

HTML5
HTML5 is becoming a common platform for both Web and Apps.  I personally started learning HTML5 when I decided to develop Apps for Android and…
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Embedding Google Map in webpage

Google Map
Google Maps offers powerful, user-friendly mapping technology and local business information — including business locations, contact information, and driving directions.  Google Map offer free HTML…
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Creating Custom Google MAP

Google Map
Creating Custom Google MAP is an easy but powerful  way to represent  your location. You can  create  custom Google Map  and embedded it into your…
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3

fixing mysql replication error automatically

Database Linux MySQL
This article is written for those who have already read article “MySQL Replication skip error” . In that article I explained how to find out replication…
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Create database and user in phpMyAdmin

Database MySQL phpMyAdmin
phpMyAdmin is a great tool to manage MySQL and MariaDB database.  Every cPanel allows  phpMyAdmin interface to manage the hosting database. It is often required…
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1

Install WordPress in Bangla

WordPress
Install WordPress in Bangla WordPress displays in U.S. English (en_US) by default. But the software has the built-in capability to be used in any language..…
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Install WordPress in other language

WordPress
Install WordPress in other language WordPress displays in U.S. English (en_US) by default. But  the software has the built-in capability to be used in any…
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Top 3 alternatives of Google Adsense

Adsense
Google Adsense is the best advertising network for online earning. However, nowadays it is very difficult for new bloggers or website owner to get approved…
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Top 7 Social Networking Sites

Social Networking
The most popular social networking sites sure have changed over the years, and you can expect them to continue to change as times goes on. Old social…
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Sum Column in Linux

AWK Linux
Sum column in Linux  is very easy  and you can do it by a single command.  If you have a file with multiple columns and…
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MySQL Replication skip error

Database MySQL
MySQL Replication skip error There are two ways you can configure MySQL replication : normal and GTID based replication. From MySQL 5.6 GTID based replication…
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Comments Off on Important Linux and Unix Commands

Important Linux and Unix Commands

Linux
  Necessary Linux / Unix Commands There are a lot of articles on the web regarding Linux commands. Here I have listed some of my…
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Linux
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Install OCI8 on CentOS/Redhat/Fedora

Database Linux Oracle PHP
Install OCI8 on CentOS/Redhat/Fedora The post will describe how to Install OCI8 on CentOS/Redhat/Fedora in step by step. The easiest way to configure PHP to access…
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