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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 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 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 RHEL/CentOS Web Console

RHEL/CentOS Web Console

The RHEL web console is a Red Hat Enterprise Linux 8 web-based interface designed for managing and monitoring local system, as well as Linux servers in your network environment.

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LinuxConcept Tutorial NFS Server


Network File System (NFS) is a distributed file system protocol originally developed by Sun Microsystems in 1984, allowing a user on a client computer to access files over a computer network much like local storage is accessed.

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LinuxConcept Tutorial Linux Monitoring with Nagios and Zabbix

Linux Monitoring & Performance

Monitor and measure critical metrics like CPU, memory, disk utilization, processes, and network traffic of Linux servers from a unified dashboard.

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LinuxConcept Tutorial Identity Management Server

IDM Server

Identity management (IdM), the management of individual identities, their authentication, authorization, roles and privileges within or across system with the goal of increasing security and productivity while decreasing cost, downtime, and repetitive tasks.

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LinuxConcept Tutorial Postfix


Postfix is a free and open-source mail transfer agent (MTA) that routes and delivers electronic mail. It is currently used by approximately 33% of internet mail servers.

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LinuxConcept Tutorial KVM


Kernel-based Virtual Machine (KVM) is an open source virtualization technology built into Linux. KVM lets you turn Linux into a hypervisor that allows a host machine to run multiple, isolated virtual machines (VMs).

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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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Bash Script

Bash script is a plain text file that contains a series of commands. Anything you can generally run on the command line can be put into a script, and it will do the same thing.

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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 SELinux

Linux Security and Hardening

Hardening is a process of securely configuring a system’s vulnerability point. There may be unused ports, services, or useless software running in your system.

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LinuxConcept Tutorial Samba Server

Samba Server

Samba provides file and print services for various Microsoft Windows clients. It can integrate with a Microsoft Windows Server domain, either as a Domain Controller (DC) or a domain member.

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LinuxConcept Tutorial Squid Proxy Server

Squid caching proxy server

Squid is a full-featured web proxy cache server application which provides proxy and cache services for Hyper Text Transport Protocol (HTTP), File Transfer Protocol (FTP), and other popular network protocols.

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LinuxConcept Tutorial Networking

Linux Networking

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

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LinuxConcept Tutorial LDAP

LDAP Server

LDAP (Lightweight Directory Access Protocol) is an open and cross platform protocol used for directory services authentication. LDAP provides the communication language that applications use to communicate with other directory services servers.

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LinuxConcept Tutorial PowerMTA


PowerMTA is an enterprise-grade email transfer agent (MTA) for sending high-volume emails. PowerMTA can be run on your own server or in any public cloud such as AWS or Azure.

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Citirix XenServer is a hypervisor platform that enables the creation and management of virtualized server infrastructure. It is developed by Citrix Systems and is built over the Xen virtual machine hypervisor.

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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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