Linux Tutorials: Commands for Linux User

File Commands List files in the directory: List all files: Show directory you are currently working in: Create a new directory: Remove a file: Remove a directory recursively: Recursively remove a directory without requiring…

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Top 50 Exim Interview Questions & Answer

1) You are not given the tools you need to be successful. How would you change that In Exim? State a business case to your manager / leader as to…

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Top 50 traefik Interview Questions & Answer

1) What is Traefik software? Traefik (pronounced traffic) is a modern HTTP reverse proxy and load balancer that makes deploying microservices easy. Traefik integrates with your existing infrastructure components (Docker,…

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What is SELinux and how its SELinux used in Docker?

What is SELinux and how its SELinux used in Docker? SELinux, or Security-Enhanced Linux, is a part of the Linux security kernel that acts as a protective agent on servers. In the…

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Top 50 Django interview questions and answers

1) Django design pattern? Django follows MVC pattern (Model-View-Controller), also referred to as MTV (Model-Template-View). Model – describes database schemaViews – Controls what user can view. It retrieves data from…

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Top 50 WordPress interview questions and answers

1) What is WordPress? WordPress is an Open Source Content Management System (CMS) and a blogging tool, based on PHP and MySQL. It is free of cost, and you can…

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Top 50 Apache HTTPD Interview questions and answers

1) What do you mean by Apache Web Server? Apache web server is the HTTP web server that is open source, and it is used for hosting the website. 2)…

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java-installation-in-linux

Java Installation Guide in Linux & Windows

Download and Install JDK/JRE 7 in Centos & RHEL Download and Install JDK/JRE 8 in Centos & RHEL Download and Install JDK/JRE 9 in Centos & RHEL Download and Install…

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bamboo-installation-and-configuration

Installation and Configuration Guide: Bamboo

System requirements & considerations Java: Database: Installing Bamboo on Linux https://confluence.atlassian.com/bamboo/installing-bamboo-on-linux-289276792.html

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Modules in Apache Web Server

Core Modules New functions are in the form of modules. Every module has their own directives Easy to download,install and configure Define modules, use their syntaxes to use that functions…

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Directory Structure of Apache Web Server

Apache HTTPD – Directory Structure CORE/common Directories conf modules htdocs logs New structure in Yum/RPM base installation conf conf.d conf.modules.d modules htdocs logs Structure in Tarball/source code base installation conf…

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Installation Of Apache HTTP Web Server

How many ways you can install Apache? Installation Types1.Yum Based2.RPM Based3.Source code/ Tar ball Based Apache install on Centos 7 (Yum Base) 1.Check OS version # cat /etc/*release 2.Install apache…

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What is LAMP Stack?

What is Stack? The term stack(derived from “solution stack”) refers to a collection of different software programs that “stack” together to create a plateform necesary to support application software. These…

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Best Practices of Linux Security

User Security Password Security Securing the root account File System Security System Security User Security Avoid shared accounts Ensure each user is assigned a unique account name and a unique…

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Linux Security Tools

Vulnerability Assessment with Nessus Traffic Security with Ethereal Web Proxying with Squid Vulnerability Assessment with Nessus Nessus is a vulnerability assessment tool Comes built-in with most distros More than just…

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How to Detecting and Stopping Attacks in Linux

System Auditing System Logging Network Intrusion Detection with Snort Host File Integrity with Tripwire System Auditing Auditing can track system activities to warn sysadmin of suspicious activity Allows sysadmin to…

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Complete Referance of Secure Networking in Linux

OpenSSH Samba NIS NFS Securing FTP and HTTP servers OpenSSH Open source version of SSH that normally comes with OpenBSD Comes with several distros or downloadable Linux ports have ‘p’…

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Complete Referance of Linux Security Mechanisms

TCP Wrappers etc/hosts allow and deny inted and xinetd PAMs SELinux Unsecure Linux Utilities TCP Wrappers TCP Wrappers is built into most distros Adds IP filtering capability Enables access logging…

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Complete Referance of Firewalls in Linux Security

Introduction to Firewalls IP Tables Dedicated Linux Firewalls Introduction to Firewalls Firewalls protect network perimeters Not total security solution, but important part of defense in depth strategy Firewalls act as…

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Complete Referance of Hardening in Linux Security

System Hardening Overview Batille Securing X-Windows Securing Linux Daemons Security patches Security Benchmarks System Hardening Overview Linux, like other operatingsystems, is not secure “out of the box” Security increases as…

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