Awesome Sysadmin

A curated list of amazingly awesome Free and Open-Source sysadmin resources. Please read the Pull Request template if you wish to add software and consider donating to the FLOSS projects you use regularly. Please consider contributing to fix one of the pinned issues if your time allows.

Software

Automation

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Automation build.

Apache Ant - Automation build tool, similar to make, a library and command-line tool whose mission is to drive processes described in build files as targets and extension points dependent upon each other. (Source Code) Apache-2.0 Java
Apache Maven - Build automation tool mainly for Java. A software project management and comprehension tool. Based on the concept of a project object model (POM), Maven can manage a project's build, reporting and documentation from a central piece of information. (Source Code) Apache-2.0 Java
Bazel - A fast, scalable, multi-language and extensible build system. Used by Google. (Source Code) Apache-2.0 Java
Bolt - You can use Bolt to run one-off tasks, scripts to automate the provisioning and management of some nodes, you can use Bolt to move a step beyond scripts, and make them shareable. (Source Code) Apache-2.0 Ruby
GNU Make - The most popular automation build tool for many purposes, make is a tool which controls the generation of executables and other non-source files of a program from the program's source files. (Source Code) GPL-3.0 C
Gradle - Another build automation system. (Source Code) Groovy/Java Apache-2.0
Rake - Build automation tool similar to Make, written in and extensible in Ruby. (Source Code) MIT Ruby

Backups

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Backup software. Also see Restic's list of Linux backup software.

Amanda - Client-server model backup tool.
Backupninja - Lightweight, extensible meta-backup system.
BackupPC - BackupPC is a high-performance system for backing up to disk.
Bareos - A fork of Bacula backup tool.
Barman - Backup and Recovery Manager for disaster recovery of PostgreSQL servers.
BorgBackup - A fork of Attic deduplicating backup program written in Python.
Burp - Network backup and restore program.
DREBS - AWS EBS backup script that supports strategies.
Dar - Which stands for Disk ARchive, is a robust and rich featured archiving and backup software of the tar style. (Source Code) GPL-2.0 C++
Duplicati - Multiple backends, encryption, web-ui and multi-OS backup tool.
Duplicity - Encrypted bandwidth-efficient backup using the rsync algorithm.
Elkarbackup - Backup solution based on RSnapshot with a simple web interface
rclone - a command line program to sync files and directories to and from several cloud storage systems/providers.
Rdiff-backup - An easy A remote incremental backup of all your files.
Restic - Secure, remote backup tool. Designed to be easy, fast, verifiable and efficient.
Rsnapshot - Filesystem Snapshotting Utility.
Shield - A pluggable architecture for backup and restore of database systems.
Snebu – Snapshot backup with global multi-client deduplication and transparent compression.
UrBackup - Another client-server backup system.
ZBackup - A versatile deduplicating backup tool.

Build and software organization tools

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Build and software organization tools.

EasyBuild - EasyBuild builds software and modulefiles for High Performance Computing (HPC) systems in an efficient way.
environment-modules Lmod - Lmod is a Lua based module system that easily handles the MODULEPATH Hierarchical problem.
HPCBIOS - HPCBIOS is an effort to setup a common, well-documented and reproducible, environment spanning across multiple HPC systems & sites, inclusive of documentation.
Spack - A flexible package manager that supports multiple versions, configurations, platforms, and compilers.

ChatOps

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Conversation-driven development and management. See https://www.reddit.com/r/chatops for more information.

Eggdrop - The oldest Internet Relay Chat (IRC) bot still in active development. (Source Code) GPL-2.0 C
Errbot - a plugin based chatbot designed to be easily deployable, extensible and maintainable. (Source Code) GPL-3.0 Python
Hubot - A customizable, life embetterment robot. (Source Code) MIT Nodejs

Client management

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Managing software on desktop computers.

See also: IT Asset Management

Chocolatey – The package manager for Windows. (Source Code) Apache-2.0 C#/PowerShell

Cloning

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Cloning software.

Clonezilla - Partition and disk imaging/cloning program. (Source Code) GPL-2.0/Other Perl/Shell/Other
Fog - Cloning/imaging solution/rescue suite. (Sorce Code) GPL-3.0 PHP/Shell

Cloud Computing

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CloudStack - Cloud computing software for creating, managing, and deploying infrastructure cloud services. (Source Code)
Cobbler - Cobbler is a Linux installation server that allows for rapid setup of network installation environments. (Source Code)
Mesos - Develop and run resource-efficient distributed systems.
OpenNebula - User-driven cloud management platform for sysadmins and devops.
Openshift - PaaS product from Red Hat.
OpenStack - Build private and public clouds.
The Foreman - Complete lifecycle management tool for physical and virtual servers. FOSS.
Tsuru - Tsuru is an extensible Platform as a Service software.

Cloud Orchestration

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BOSH - IaaS orchestration platform originally written for deploying and managing Cloud Foundry PaaS, but also useful for general purpose distributed systems.
Cloud Foundry - A Platform-as-a-Service suite to provide the orchestration services that make distributed apps a powerhouse of awesomeness.
Cloudify - TOSCA-based cloud orchestration software platform written in Python and YAML.
CloudSlang - Flow-based orchestration tool for managing deployed applications, with Docker capabilities.
Genesis - A template framework for multi-environment BOSH deployments.
Juju - Cloud orchestration tool which manages services as charms, YAML configuration and deployment script bundles.
Kubernetes - Orchestration system for Docker containers - (Source Code, Documentation) Apache-2.0 Go
MCollective - Ruby framework to manage server orchestration, developed by Puppet labs.
Nomad - Simple and flexible orchestrator for Docker, Podman, executables, Java, and QEMU - (Source Code, Documentation) MPL-2.0 Go
Overcast - Deploy VMs across different cloud providers, and run commands and scripts across any or all of them in parallel via SSH.
Rundeck - Simple orchestration tool.
Salt - Fast, scalable and flexible systems management software written in Python/ZeroMQ.
Spruce - A tool that merges separate YAML files into one. Works well with Genesis.
StackStorm - Event Driven Operations and ChatOps platform for infrastructure management. Written in Python.
Terraform - Terraform works with many cloud providers and creates infrastructure from code.

Code Review

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Please visit awesome-selfhosted/Software Development - Project Management

Configuration Management Database

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Configuration management database (CMDB) software.

See also: IT Asset Management

Collins - At Tumblr, it's the infrastructure source of truth and knowledge.
i-doit - IT Documentation and CMDB.
iTop - Complete ITIL web based service management tool.
netbox - IP address management (IPAM) and data center infrastructure management (DCIM) tool

Configuration Management

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Configuration management tools.

Ansible - It's written in Python and manages the nodes over SSH.
CFEngine - Lightweight agent system. Configuration state is specified via a declarative language.
Chef - It's written in Ruby and Erlang and uses a pure-Ruby DSL.
Pallet - Infrastructure definition, configuration and management via a Clojure DSL.
Puppet - It's written in Ruby and uses Puppet's declarative language or a Ruby DSL.
Salt - It's written in Python.

Continuous Integration & Continuous Deployment

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Continuous integration/deployment software.

Buildbot - Python-based toolkit for continuous integration. (Source Code) GPL-2.0 Python
CapsuleCD - CD script for automating package/library releases (npm, cookbooks, gems, pip, jars, etc). (Source Code) MIT Go
CDS - Enterprise-Grade Continuous Delivery & DevOps Automation Open Source Platform. (Source Code) BSD-3-Clause Go
Concourse - Concourse is a CI tool that treats pipelines as first class objects and containerizes every step along the way. (Demo, Source Code) Apache-2.0 Go
drone - Drone is a Continuous Delivery platform built on Docker, written in Go. (Source Code) Apache-2.0 Go
Factor - Programmatically define and run workflows to connect configuration management, source code management, build, continuous integration, continuous deployment and communication tools. (Source Code) MIT Ruby
GitLab CI - Gitlab's built-in, full-featured CI/CD solution. (Source Code) MIT Ruby
GoCD - Continuous delivery server. (Source Code) Apache-2.0 Java/Ruby
GolangCI - Open Source automated code review service for Go integrated with GitHub pull requests. (Source Code) AGPL-3.0 Go
Jenkins - Continuous Integration Server. (Source Code) MIT Java
Laminar - Fast, lightweight, simple and flexible Continuous Integration. (Source Code) GPL-3.0 C++
PHP Censor - Open source self-hosted continuous integration server for PHP projects. BSD-2-Clause PHP
PHPCI - Free and open source continuous integration specifically designed for PHP. (Source Code) BSD-2-Clause PHP
Strider - Open Source Continuous Deployment / Continuous Integration platform. (Source Code) MIT Nodejs
werf - Open Source CI/CD tool for building Docker images and deploying to Kubernetes via GitOps. (Source Code) Apache-2.0 Go
Woodpecker - Community fork of Drone that uses Docker containers. (Source Code) Apache-2.0 Go

Control Panels

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Web hosting and server or service control panels.

Ajenti - Control panel for Linux and BSD. (Source Code) MIT Python/Shell
Cockpit - web-based graphical interface for servers. (Source Code) LGPL-2.1 C
Froxlor - Lightweight server management software with Nginx and PHP-FPM support. (Source Code) GPL-2.0 PHP
ISPConfig - Manage Linux servers directly through your browser. (Source Code) BSD-3-Clause PHP
Sentora - Open-Source Web hosting control panel for Linux, BSD (fork of ZPanel). (Source Code) GPL-3.0 PHP
VestaCP - Open-Source hosting control panel. (Source Code) GPL-3.0 PHP/Shell/Other
Virtualmin - Powerful and flexible web hosting control panel for Linux and BSD systems. (Source Code) GPL-3.0 Shell/Perl/Other
Webmin - Web-based interface for system administration for Unix. (Source Code) BSD-3-Clause Perl

Databases

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Database servers.

Please visit dbdb.io - Database of Databases

See also: awesome-selfhosted/Database Management

Deployment Automation

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Tools and scripts to support deployments to your servers.

Capistrano - Deploy your application to any number of machines simultaneously, in sequence or as a rolling set via SSH (rake based).
Fabric - Python library and cli tool for streamlining the use of SSH for application deployment or systems administration tasks.
Mina - Really fast deployer and server automation tool (rake based).
munki - Webserver-based repository of packages and package metadata, that allows macOS administrators to manage software installs.
Vlad the Deployer - Deployment automation (rake based).

Diagramming

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Tools used to create diagrams of networks, flows, etc.

Diagrams.net - A.K.A. Draw.io. Easy to use Diagram UI with a plethora of templates.
DrawThe.Net - Javascript tool that uses a YAML-formatted input to programmatically create large, complex, and visually solid diagrams.
Mermaid - Javascript module with a unique, easy, shorthand syntax. Integrates into several other tools like Grafana.

Distributed Filesystems

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Network distributed filesystems.

See also: awesome-selfhosted/File Transfer - Object Storage & File Servers

Ceph - Distributed object, block, and file storage platform. (Source Code) LGPL-3.0 C++
DRBD - Distributed replicated storage system, implemented as a Linux kernel driver. (Source Code) GPL-2.0 C
GlusterFS - Software-defined distributed storage that can scale to several petabytes, with interfaces for object, block and file storage. (Source Code) GPL-2.0/LGPL-3.0 C
Hadoop Distributed Filesystem (HDFS) - Distributed file system that provides high-throughput access to application data. (Source Code) Apache-2.0 Java
JuiceFS - Distributed POSIX file system built on top of Redis and S3. (Source Code) Apache-2.0 Go
Kubo - Implementation of IPFS, a global, versioned, peer-to-peer filesystem that seeks to connect all computing devices with the same system of files. Apache-2.0/MIT Go
LeoFS - Highly available, distributed, replicated eventually consistent object/blob store. (Source Code) Apache-2.0 Erlang
Lustre - Parallel distributed file system, generally used for large-scale cluster computing. (Source Code) GPL-2.0 C
Minio - High-performance, S3 compatible object store built for large scale AI/ML, data lake and database workloads. (Source Code) AGPL-3.0 Go
MooseFS - Fault tolerant, network distributed file system. (Source Code) GPL-2.0 C
OpenAFS - Distributed network file system with read-only replicas and multi-OS support. (Source Code) IPL-1.0 C
Openstack Swift - A highly available, distributed, eventually consistent object/blob store. (Source Code) Apache-2.0 Python
Perkeep - A set of open source formats, protocols, and software for modeling, storing, searching, sharing and synchronizing data (previously Camlistore). (Source Code) Apache-2.0 C
TahoeLAFS - Secure, decentralized, fault-tolerant, peer-to-peer distributed data store and distributed file system. (Source Code) GPL-2.0 Python
XtreemFS - Distributed, replicated and fault-tolerant file system for federated IT infrastructures.. (Source Code) BSD-3-Clause Java

DNS - Servers

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DNS servers.

Bind - Versatile, classic, complete name server software. (Source Code) MPL-2.0 C
CoreDNS - Flexible DNS server. (Source Code) Apache-2.0 Go
djbdns - A collection of DNS applications, including tinydns. (Source Code) Public Domain C
dnsmasq - Provides network infrastructure for small networks: DNS, DHCP, router advertisement and network boot. (Source Code) GPL-2.0 C
Knot - High performance authoritative-only DNS server. (Source Code) GPL-3.0 C
NSD - Authoritative DNS name server developed speed, reliability, stability and security. (Source Code) BSD-3-Clause C
PowerDNS Authoritative Server - Versatile nameserver which supports a large number of backends.. (Source Code) GPL-2.0 C++
Unbound - Validating, recursive, and caching DNS resolver. (Source Code) BSD-3-Clause C
Yadifa - Clean, small, light and RFC-compliant name server implementation developed from scratch by .eu. (Source Code) BSD-3-Clause C

DNS - Control Panels

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DNS server control panels.

Atomia DNS - DNS management system. (Source Code) ISC Perl
Pi-hole - A blackhole for Internet qdvertisements with a GUI for management and monitoring. (Source Code) EUPL-1.2 Shell/PHP
Poweradmin - Web-based DNS control panel for PowerDNS server. (Source Code) GPL-3.0 PHP

DNS - Domain Management

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Domain management.

Designate - DNSaaS services for OpenStack. (Source Code)
DNSControl - Synchronize your DNS to multiple providers from a simple DSL. (Source Code) MIT Go/Docker
DomainMOD - Manage your domains and other internet assets in a central location. (Source Code) GPL-3.0 PHP
octoDNS - DNS as code - Tools for managing DNS across multiple providers. MIT Python

Editors

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Open source code editors.

Atom Community - A fork of atom A hackable text editor from Github.
Brackets - Code editor for web designers and front-end developers.
Eclipse - IDE written in Java with an extensible plug-in system.
Geany - GTK2 text editor.
GNU Emacs - An extensible, customizable text editor-and more.
Haroopad - Markdown editor with live preview.
ICEcoder - Code editor awesomeness, built with common web languages.
jotgit - Git-backed real-time collaborative code editing.
KDevelop - IDE by the people behind KDE.
Micro - A modern and intuitive terminal-based text editor
Nano - Easy to use, customizable text editor.
Notepad++ - GPLv2 multi-language editor with syntax highlighting for Windows.
TextMate - A graphical text editor for OS X.
Vim - A highly configurable text editor built to enable efficient editing.
VSCodium - An open source cross-platform extensible code editor based on VS Code by Microsoft removing their non-free additions.

Identity Management

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LDAP servers and other tools to manage accounts and identities.

Identity Management - LDAP

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389 Directory Server - Enterprise-class Open Source LDAP server for Linux. (Source Code) GPL-3.0 C
Apache Directory Server - Extensible and embeddable directory server, certified LDAPv3 compatible, with Kerberos 5 and Change Password Protocol support, triggers, stored procedures, queues and views. (Source Code) Apache-2.0 Java
FreeIPA - Integrated security information management solution combining Linux (Fedora), 389 Directory Server, Kerberos, NTP, DNS, and Dogtag Certificate System (web interface and command-line administration tools). (Source Code) GPL-3.0 Python/C/JavaScript
FreeRADIUS - Multi-protocol policy server (radiusd) that implements RADIUS, DHCP, BFD, and ARP and associated client/PAM library/Apache module. (Source Code) GPL-2.0 C
lldap - Light (simplified) LDAP implementation with a simple, intuitive web interface and GraphQL support. GPL-3.0 Rust
OpenLDAP - Open-source implementation of the Lightweight Directory Access Protocol (server, libraries and clients). (Source Code) OLDAP-2.8 C

Identity Management - Tools and web interfaces

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BounCA - A personal SSL Key / Certificate Authority web-based tool for creating self-signed certificates.
easy-rsa - bash script to build and manage a PKI CA.
Fusion Directory - Improve the Management of the services and the company directory based on OpenLDAP.
Indieauth - Sign in with your domain name (using the rel-me-auth protocol).
LDAP Account Manager (LAM) - Web frontend for managing entries (e.g. users, groups, DHCP settings) stored in an LDAP directory.
Libravatar - Libravatar is a service which delivers your avatar (profile picture) to other websites.
OpenID Connect - A Simple Identity layer on top of OAuth 2.0.
OSIAM - Secure identity management solution providing REST based services for authentication and authorization.
Pomerium - An identity and context aware access-proxy inspired by BeyondCorp.
Samba – Active Directory and CIFS protocol implementation.
Smallstep Certificates - A private certificate authority (X.509 & SSH) and related tools for secure automated certificate management.
ZITADEL - Cloud-native Identity & Access Management solution providing a platform for secure authentication, authorization and identity management.

Identity Management - Single Sign-On (SSO)

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Authelia - The Single Sign-On Multi-Factor portal for web apps. (Source Code) Apache-2.0 Go
KeyCloak - Open Source Identity and Access Management. (Source Code) Apache-2.0 Java

IT Asset Management

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IT Assets Management software.

GLPI - Information Resource-Manager with an additional Administration Interface. (Source Code)
OCS Inventory NG - Asset management and deployment solution for all devices in your IT Department. (Source Code) GPL-2.0 PHP/Perl
OPSI - Hardware and software inventory, client management, deployment, and patching for Linux and Windows. (Source Code) GPL-3.0/AGPL-3.0 OVF/Python
RackTables - Datacenter and server room asset management like document hardware assets, network addresses, space in racks, networks configuration. (Source Code, Demo) GPL-2.0 PHP
Ralph - Asset management, DCIM and CMDB system for large Data Centers as well as smaller LAN networks. (Source Code, Demo) Apache-2.0 Python/Docker
Snipe IT - Asset & license management software. (Source Code) AGPL-3.0 PHP

Log Management

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Log management tools: collect, parse, visualize ...

Fluentd - Data collector for unified logging layer. (Source Code) Apache-2.0 Ruby
Flume - distributed, reliable, and available service for efficiently collecting, aggregating, and moving large amounts of log data. (Source Code) Apache-2.0 Java
GoAccess - Real-time web log analyzer and interactive viewer that runs in a terminal or through the browser. (Source Code) MIT C
Loki - Log aggregation system designed to store and query logs from all your applications and infrastructure. (Source Code) AGPL-3.0 Go
rsyslog - Rocket-fast system for log processing. (Source Code) GPL-3.0 C

Mail Clients

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Claws Mail - Old school email client (and news reader), based on GTK+. (Source Code)
ImapSync – Simple IMAP migration tool for copying mailboxes to other servers. (Source Code)
Mutt - Small but very powerful text-based mail client. (Source Code)
Sylpheed – Still developed predecessor to Claws Mail, lightweight mail client. (Source Code)
Thunderbird - Free email application that's easy to set up and customize. (Source Code)

Monitoring

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Monitoring software.

See also: Metrics & Metric Collection

Status Pages

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Please visit awesome-selfhosted/Status / Uptime Pages

Metrics & Metric Collection

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Metric gathering and display software.

See also: Databases, Monitoring

Beats - Single-purpose data shippers that send data from hundreds or thousands of machines and systems to Logstash or Elasticsearch. (Source Code) Apache-2.0
Collectd - System statistics collection daemon. (Source Code) MIT C
Diamond - Daemon that collects system metrics and publishes them to Graphite (and others). MIT Python
Grafana - A Graphite & InfluxDB Dashboard and Graph Editor. (Source Code) AGPL-3.0 Go
Graphite - Scalable graphing server. (Source Code) Apache-2.0 Python
RRDtool - Industry standard, high performance data logging and graphing system for time series data. (Source Code) GPL-2.0 C
Statsd - Daemon that listens for statistics like counters and timers, sent over UDP or TCP, and sends aggregates to one or more pluggable backend services. Nodejs MIT
tcollector - Gathers data from local collectors and pushes the data to OpenTSDB. (Source Code) LGPL-3.0/GPL-3.0 Python
Telegraf - Plugin-driven server agent for collecting, processing, aggregating, and writing metrics. MIT Go

Network Configuration Management

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Network configuration management tools.

Newsletters

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Newsletter software.

DadaMail - Mailing List Manager, written in Perl.
Lewsnetter - E-mail marketing application (create and send e-mail newsletter via SES). Includes subscription management, delivery, bounce and complaint notification, templates, and some stats.
LibreMailer - Libre Mailer is a modest and simple web based email marketing application.
phpList - Newsletter manager written in PHP.

Packaging

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aptly - Swiss army knife for Debian repository management. (Source Code) MIT Go
fpm - Versatile multi format package creator.
omnibus-ruby - Full stack, cross distro packaging software (Ruby).
packman - Full stack, cross distro packaging software (Python).
tito - Builds RPMs for git-based projects.

Project Management

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Web-based project management and bug tracking systems

Please visit awesome-selfhosted/Project Management

Queuing

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ActiveMQ - Java message broker.
BeanstalkD - A simple, fast work queue.
Gearman - Fast multi-language queuing/job processing platform.
Kafka - Extremely high performance publish/subscribe message system.
NSQ - A realtime distributed messaging platform.
RabbitMQ - Robust, fully featured, cross distro queuing system.
ZeroMQ - Lightweight queuing system.

Remote Management

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Remmina - A Feature rich remote desktop application for linux and other unixes.
Tiger VNC - TigerVNC is a high-performance, platform-neutral implementation of VNC (Virtual Network Computing), a client/server application that allows users to launch and interact with graphical applications on remote machines.
X2go - X2Go is an open source remote desktop software for Linux that uses the NX technology protocol.

Router

DD-WRT - A Linux-based firmware for wireless routers and access points, originally designed for the Linksys WRT54G series. (Source Code) GPL-2.0 C
OpenWrt - A Linux-based router featuring Mesh networking, IPS via snort and AQM among many other features. (Source Code) GPL-2.0 C
OPNsense - An open source FreeBSD-based firewall and router with traffic shaping, load balancing, and virtual private network capabilities. (Source Code) BSD-2-Clause C PHP

Service Discovery

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Consul - Consul is a tool for service discovery, monitoring and configuration.
Doozerd - Doozer is a highly-available, completely consistent store for small amounts of extremely important data.
etcd - distributed K/V-Store, authenticating via SSL PKI and a REST HTTP Api for shared configuration and service discovery.
ZooKeeper - ZooKeeper is a centralized service for maintaining configuration information, naming, providing distributed synchronization, and providing group services.

Software Containers

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Operating system–level virtualization.

Docker Compose - Define and run multi-container Docker applications.
Docker Swarm - Manage cluster of Docker Engines.
Docker - Platform for developers and sysadmins to build, ship, and run distributed applications.
LXC - Userspace interface for the Linux kernel containment features.
LXD – a container "hypervisor" and a better UX for LXC.
OpenVZ - Container-based virtualization for Linux.
Podman - Daemonless container engine for developing, managing, and running OCI Containers on your Linux System. Containers can either be run as root or in rootless mode. Simply put: alias docker=podman. (Source Code) Apache-2.0 Go
Portainer - Simple management UI for Docker.
systemd-nspawn - Lightweight, chroot-like, environment to run an OS or command directly under systemd. (Source Code) GPL-2.0 C

Troubleshooting

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Troubleshooting Tools.

grml – bootable Debian Live CD with powerful CLI tools.
mitmproxy - A Python tool used for intercepting, viewing and modifying network traffic. Invaluable in troubleshooting certain problems.
mtr - Network utility that combines traceroute and ping.
perf-tools - Performance analysis tools based on Linux perf_events (aka perf) and ftrace.
Sysdig - Capture system state and activity from a running Linux instance, then save, filter and analyze.
Wireshark - The world's foremost network protocol analyzer.

Version control

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Software versioning and revision control.

Darcs - Patch-based distributed version control (more info: wiki)
Fossil - Distributed version control with built-in wiki and bug tracking.
Git - Distributed revision control and source code management (SCM) with an emphasis on speed.
GNU Bazaar - Distributed revision control system sponsored by Canonical.
Mercurial - Another distributed revision control.
Subversion - Client-server revision control system.

Virtualization

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Virtualization software.

VPN

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VPN software.

Web

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Web servers and reverse proxies.

List of Licenses

External links

Communities / Forums

Repositories

Software package repositories.

AlternativeTo - Find alternatives to software you know and discover new software.
deb.sury.org - Repository with LAMP updated packages for Debian and Ubuntu.
ElRepo - Community Repo for Enterprise Linux (RHEL, CentOS, etc).
EPEL - Repository for RHEL and compatibles (CentOS, Scientific Linux).
IUS - Community project that provides RPM packages for newer versions of select software for Enterprise Linux distributions.
Remi - Repository with LAMP updated packages for RHEL/Centos/Fedora.
Software Collections - Community Release of Red Hat Software Collections. Provides updated packages of Ruby, Python, etc. for CentOS/Scientific Linux 6.x.

Websites

ArchWiki – Arch Linux Wiki which has really nice written articles valid for other distros.
Gentoo Wiki - Gentoo Linux Wiki with a lot in-detail description of Linux components.
Awesome SysAdmin @ LibHunt - Your go-to SysAdmin Toolbox. Based on the list here.
Ops School - Comprehensive program that will help you learn to be an operations engineer.
Digital Ocean Tutorials - A surprisingly vast resource for getting the basics of certain applications, tools, or even systems administration topics.

License

This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International license.

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Awesome Sysadmin

Table of contents

Software

Automation

Backups

Build and software organization tools

ChatOps

Client management

Cloning

Cloud Computing

Cloud Orchestration

Code Review

Configuration Management Database

Configuration Management

Continuous Integration & Continuous Deployment

Control Panels

Databases

Deployment Automation

Diagramming

Distributed Filesystems

DNS - Servers

DNS - Control Panels

DNS - Domain Management

Editors

Identity Management

Identity Management - LDAP

Identity Management - Tools and web interfaces

Identity Management - Single Sign-On (SSO)

IT Asset Management

Log Management

Mail Clients

Monitoring

Status Pages

Metrics & Metric Collection

Network Configuration Management

Newsletters

Packaging

Project Management

Queuing

Remote Management

Router

Service Discovery

Software Containers

Troubleshooting

Version control

Virtualization

VPN

Web

List of Licenses

External links

Communities / Forums

Repositories

Websites

License

About

Resources

License

Stars

Watchers

Forks

Releases

Packages 0

Languages

Packages