Linux Documents

You can seriously change your life by learning new tech skills. That’s why our humble mission is to teach the world to Linux and Open Source.

LinuxConcept Tutorial Linux


Linux is an open-source operating system (OS). An operating system directly manages a system’s hardware and resources, like CPU, memory, and storage. 

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LinuxConcept Tutorial CentOS


CentOS  is a Linux distribution that provides a free, community-supported computing platform functionally compatible with its upstream source, Red Hat Enterprise Linux (RHEL).

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LinuxConcept Tutorial Fedora


Fedora creates an innovative, free, and open-source platform for hardware, clouds, and containers that enables software developers and community members to build solutions for users.

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LinuxConcept Tutorial SELinux


Security-Enhanced Linux (SELinux) is a security architecture for Linux systems that allows administrators to control who can access the system.

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LinuxConcept Tutorial Webserver Apache and Nagios

Apache HTTP

The Apache HTTP Server, is a free and open-source cross-platform web server, released under the terms of Apache License 2.0. Apache is developed and maintained by Apache Software Foundation.

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LinuxConcept Tutorial Git


Git is a free and open source distributed version control system designed to handle everything from small to very large projects with speed and efficiency.

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LinuxConcept Tutorial Kubernetes


Kubernetes, also known as K8s, is an open-source system for automating deployment, scaling, and management of containerized applications.

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LinuxConcept Tutorial Ansible


Ansible is an open-source software provisioning, configuration management, and application-deployment tool. It runs on many Unix  systems, and can configure both Unix as well as Windows.

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LinuxConcept Tutorial ELK


ELK is the acronym for three open source projects: Elasticsearch, Logstash, and Kibana. Elasticsearch is a search and analytics engine. Logstash is a server‑side data processing pipeline. Kibana lets users visualize data with charts and graphs.

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LinuxConcept Tutorial Amazon Web Services (AWS)


Amazon Web Services (AWS) is a subsidiary of Amazon providing on-demand cloud computing platforms and APIs to individuals, companies, and governments, on a metered pay-as-you-go basis.

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LinuxConcept Tutorial Linux Monitoring with Nagios and Zabbix


Nagios is a free and open-source computer software application that monitors systems, networks, and infrastructure. Nagios offers to watch and alert services for servers, switches, applications, and services.

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LinuxConcept Tutorial Ubuntu


Ubuntu is a complete Linux operating system, freely available with both community and professional support. Ubuntu is suitable for both desktop and server use.

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LinuxConcept Tutorial Redhat


Red Hat Enterprise Linux extends your hybrid cloud infrastructure to the edge—across hundreds of thousands of nodes all over the world. It’s an open-source operating system (OS).

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LinuxConcept Tutorial Debian


Debian is a Linux distribution composed of free and open-source software, developed by the community-supported Debian Project, which Ian Murdock established on August 16, 1993.

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LinuxConcept Tutorial Networking

Linux Network

Linux system connect to a network or the Internet in several ways – for example, via an Ethernet, a wireless network or a PPP (Point-to-Point Protocol) connection.

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LinuxConcept Tutorial Webserver Apache and Nagios


NGINX is open source software for web serving, reverse proxying, caching, load balancing, media streaming, and more. It started out as a web server designed for maximum performance and stability.

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LinuxConcept Tutorial Docker


Docker is an open platform for developing, shipping, and running applications. Docker enables you to separate your applications from your infrastructure so you can deliver software quickly.

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LinuxConcept Tutorial Puppet


Puppet is the most powerful configuration management tool. It’s drives your compliance, baseline, drift remediation, and deployment needs.

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LinuxConcept Tutorial Chef


Chef is a company and the name of a configuration management tool written in Ruby and Erlang. It uses a pure-Ruby, domain-specific language (DSL) for writing system configuration “recipes”.

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LinuxConcept Tutorial Prometheus


Prometheus is a free software application used for event monitoring and alerting. It records real-time metrics in a time series database (allowing for high dimensionality) built using a HTTP pull model, with flexible queries and real-time alerting.

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LinuxConcept Tutorial Microsoft Azure


Microsoft Azure, commonly known as Azure, is a cloud computing service by Microsoft for building, testing, deploying, and managing applications and services through Microsoft-managed data centers.

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LinuxConcept Tutorial Linux Monitoring with Nagios and Zabbix


Zabbix is an open-source tool for monitoring IT components, including networks, servers, virtual machines, and cloud services. Zabbix having monitoring metrics, among others, network utilization, CPU load, and disk space consumption.

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