A curated list of amazingly awesome open source sysadmin resources inspired by Awesome PHP

• Awesome Sysadmin
  • Backups
  • Cloning
  • Cloud Computing
  • Cloud Storage
  • Configuration Management Database
  • Configuration Management
  • Continuous Integration
  • Distributed Filesystems
  • DNS
  • Hosting Control Panels
  • IMAP/POP3
  • IT Asset Management
  • LDAP
  • Monitoring
  • Metric & Metric Collection
  • Log management
  • Network Configuration Management
  • Newsletter
  • NoSQL
  • RDBMS
  • SMTP
  • Software Containers
  • SSH
  • Statistics
  • Ticketing systems
  • Troubleshooting
  • Project Management
  • Version control
  • Virtualization
  • VPN
  • Web
  • Webmails
  • Wikis
• Resources
  • Books
  • Editors
  • Websites
• Contributing

Backup software.

• Amanda - Client-server model backup tool.
• Bacula - Another Client-server model backup tool.
• Backuppc - Client-server model backup tool with file pooling scheme.
• Burp - Network backup and restore program.
• Rsnapshot - Filesystem Snapshotting Utility.
• SafeKeep - Centralized pull-based backup using rdiff-backup.
• TarSnap - Secure backup service with an open-source client.
• UrBackup - Another client-server backup system.

Cloning software.

• Clonezilla - Partition and disk imaging/cloning program.
• Fog - Another computer cloning solution.
• Redo Backup - Easy Backup, Recovery and Restore.

• CloudStack - Cloud computing software for creating, managing, and deploying infrastructure cloud services.
• Eucalpytus - Open source private cloud software with AWS compatibility.
• OpenNebula - An user-driven cloud management platform for sysadmins and devops.
• OpenStack - Open source software for building private and public clouds.

• git-annex assistant - A synchronised folder on each of your OSX and Linux computers, Android devices, removable drives, NAS appliances, and cloud services.
• ownCloud - Provides universal access to your files via the web, your computer or your mobile devices.
• Seafile - Another Open Source Cloud Storage solution.
• TahoeLAFS - Secure, decentralized, fault-tolerant, peer-to-peer distributed data store and distributed file system.

Configuration management database (CMDB) software.

• i-doit - Open Source IT Documentation and CMDB.
• iTop - A complete open source, ITIL, web based service management tool.

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.
• Puppet - It's written in Ruby and uses Puppet's declarative language or a Ruby DSL.
• Salt - It's written in Python.
• Slaughter - It's written in Perl.

Continuous integration software.

• GitLab CI - Based off of ruby. They also provide GitLab, which manages git repositories.
• Go - Open source agile build and release management software.
• Jenkins - An extendable open source continuous integration server.

Network distributed filesystems.

• Ceph - Distributed object store and file system.
• DRBD - Disributed Replicated Block Device.
• GlusterFS - Scale-out network-attached storage file system.
• HDFS - Distributed, scalable, and portable file-system written in Java for the Hadoop framework.
• Lustre - A type of parallel distributed file system, generally used for large-scale cluster computing.
• MooseFS - Fault tolerant, network distributed file system.
• XtreemFS - XtreemFS is a fault-tolerant distributed file system for all storage needs.

DNS servers.

• Bind - The most widely used name server software.
• djbdns - A collection of DNS applications, including tinydns.
• Knot - High performance authoritative-only DNS server.
• NSD - Authoritative only, high performance, simple name server.
• PowerDNS - DNS server with a variety of data storage back-ends and load balancing features.
• Unbound - Validating, recursive, and caching DNS resolver.
• Yadifa - Lightweight authoritative Name Server with DNSSEC capabilities powering the .eu top-level domain.

Web hosting control panels

• Feathur - VPS Provisioning and Management Software.
• ISPConfig - Hosting control panel for Linux.
• VestaCP - Hosting panel for Linux but with Nginx.
• Virtualmin - Control panel for Linux based on webmin.

IMAP/POP3 mail servers.

• Courier IMAP/POP3 - Fast, scalable, enterprise IMAP and POP3 server.
• Cyrus IMAP/POP3 - Intended to be run on sealed servers, where normal users are not permitted to log in.
• Dovecot - IMAP and POP3 server written primarily with security in mind.
• Qpopper - One of the oldest and most popular server implementations of POP3.

IT Assets Management software.

• GLPI - Information Resource-Manager with an additional Administration Interface.
• OCS Inventory NG - Enables users to inventory their IT assets.

LDAP servers.

• 389 Directory Server - Developed by Red Hat.
• Apache Directory Server - Apache Software Foundation project written in Java.
• Fusion Directory - Improve the Management of the services and the company directory based on OpenLDAP.
• OpenDJ - Fork of OpenDS.
• OpenDS - Another directory server written in Java.
• OpenLDAP - Developed by the OpenLDAP Project.

Monitoring software.

• Cacti - Web-based network monitoring and graphing tool.
• check_mk - Collection of extensions for Nagios.
• Icinga - Fork of Nagios.
• LibreNMS - fork of Observium.
• Monit - Small Open Source utility for managing and monitoring Unix systems.
• Munin - Networked resource monitoring tool.
• Naemon - Network monitoring tool based on the Nagios 4 core with performance enhancements and new features.
• Nagios - Computer system, network and infrastructure monitoring software application.
• Observium - SNMP monitoring for servers and networking devices. Runs on linux.
• Opsview - Based on Nagios 4, Opsview Core is ideal for small IT and test environments.
• Riemann - Flexible and fast events processor allowing complex events/metrics analysis.
• Sensu - Open source monitoring framework.
• Shinken - Another monitoring framework.
• Thruk - Multibackend monitoring webinterface with support for Naemon, Nagios, Icinga and Shinken.
• Xymon - Network monitoring inspired by Big Brother.
• Zabbix - Eenterprise-class software for monitoring of networks and applications
• Zenoss - Application, server, and network management platform based on Zope.

Metric gathering and display software.

• Collectd - System statistic collection daemon.
• Collectl - High precision system performance metrics collecting tool.
• Diamond - Python based statistic collection daemon.
• Graphite - Open source scaleable graphing server.
• InfluxDB - Open source distributed time series database with no external dependencies.
• RRDtool - Open source industry standard, high performance data logging and graphing system for time series data.
• Statsd - Application statistic listener.
• Grafana - A Graphite & InfluxDB Dashboard and Graph Editor.

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

• Logstash - Logstash is a tool for managing events and logs.
• Kibana - Visualize logs and time-stamped data.

Network configuration management tools.

• RANCID - Monitors network device's configurarion and maintain history of changes.
• rConfig - Another network device configuration management tool.

Newsletter software.

• phpList - Newsletter manager.

NoSQL servers.

• Cassandra - Distributed DBMS designed to handle large amounts of data across many servers.
• CouchDB - Ease of use, with multi-master replication document-oriented database system.
• MongoDB - Another document-oriented database system.
• Redis - Networked, in-memory, key-value data store with optional durability.
• RethinkDB - Built to store JSON documents, and scale to multiple machines with very little effort. It supports really useful queries like table joins and group by.
• Riak - Another fault-tolerant key-value NoSQL database.

Comparison of NoSQL servers: http://kkovacs.eu/cassandra-vs-mongodb-vs-couchdb-vs-redis

Relational DBMS.

• Firebird - True universal open source database.
• MariaDB - Community-developed fork of the MySQL.
• MySQL - Most popular RDBMS server.
• Percona Server - Enhanced, drop-in MySQL replacement.
• PostgreSQL - Object-relational database management system (ORDBMS).
• SQLite - Library that implements a self-contained, serverless, zero-configuration, transactional SQL DBS.

SMTP servers.

• Exim - Message transfer agent (MTA) developed at the University of Cambridge.
• OpenSMTPD - Secure SMTP server implementation from the OpenBSD project.
• Postfix - Fast, easy to administer, and secure Sendmail replacement.
• Qmail - Secure Sendmail replacement.
• Sendmail - Message transfer agent (MTA).

Operating system–level virtualization.

• Docker - Open platform for developers and sysadmins to build, ship, and run distributed applications.
• OpenVZ - Container-based virtualization for Linux.

SSH tools.

• Cluster SSH - Controls a number of xterm windows via a single graphical console.
• Mosh - The mobile shell.
• parallel-ssh - Provides parallel versions of OpenSSH and related tools.
• SSH Power Tool - Execute commands and upload files to many servers simultaneously without using pre-shared keys.

Analytics software.

• Piwik - Free and open source web analytics application.

Web-based ticketing system.

• Bugzilla - General-purpose bugtracker and testing tool originally developed and used by the Mozilla project.
• Cerb - A group-based e-mail management project built with a commercial open source license.
• Flyspray - Web-based bug tracking system written in PHP.
• MantisBT - Another web-based bug tracking system.
• osTicket - Open source support ticket system.
• Request Tracker - Ticket-tracking system written in Perl.
• TheBugGenie - Open source ticket system with extremely complete users rights granularity.

Troubleshooting Tools.

• Sysdig - Capture system state and activity from a running Linux instance, then save, filter and analyze.

Web-based project management and bug tracking systems.

• ChiliProject - Fork of Redmine.
• GitLab - Clone of GitHub written in ruby.
• Redmine - Written in ruby on rails.
• The Bug Genie - Written in PHP.
• Trac - Written in python.

Software versioning and revision control.

• 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.
• Mercurial - Another distributed revision control.
• Subversion - Client-server revision control system.

Virtualization software.

• Ganeti - Cluster virtual server management software tool built on top of KVM and Xen.
• KVM - Linux kernel virtualization infrastructure.
• oVirt - Manages virtual machines, storage and virtual networks.
• VirtualBox - Virtualization product from Oracle Corporation.
• Xen - Virtual machine monitor for 32/64 bit Intel / AMD (IA 64) and PowerPC 970 architectures.

VPN software.

• OpenVPN - Uses a custom security protocol that utilizes SSL/TLS for key exchange.
• Pritunl - OpenVPN based solution. Easy to set up.
• SoftEther - Multi-protocol software VPN with advanced features
• sshuttle - Poor man's VPN.
• strongSwan - Complete IPsec implementation for Linux.
• tinc - Distributed p2p VPN.

Webmail applications.

• RainLoop - Simple, modern & fast web-based IMAP client.
• Roundcube - Browser-based IMAP client with an application-like user interface.

Web servers.

• Apache - Most popular web server.
• Cherokee - Lightweight, high-performance web server/reverse proxy.
• Lighttpd - Web server more optimized for speed-critical environments.
• Nginx - Reverse proxy, load balancer, HTTP cache, and web server.
• uWSGI - The uWSGI project aims at developing a full stack for building hosting services.

Wiki software.

• DokuWiki - Simple to use and highly versatile wiki that doesn't require a database.
• ikiwiki - A wiki compiler.
• Mediawiki - Used to power Wikipedia.
• MoinMoin - An advanced, easy to use and extensible WikiEngine with a large community of users.
• TiddlyWiki - Complete interactive wiki in JavaScript.

Various resources, such as books, websites and articles, for improving your skills and knowledge.

Sysadmin related books.

• The Linux Command Line - A book about the Linux command line by William Shotts.
• The Phoenix Project: A Novel about IT, DevOps, and Helping Your Business Win - How DevOps techniques can fix the problems that happen in IT organizations.
• The Practice of System and Network Administration - The first and second editions describes the best practices of system and network administration, independent of specific platforms or technologies.
• The Visible Ops Handbook: Implementing ITIL in 4 Practical and Auditable Steps - Is a methodology designed to jumpstart implementation of controls and process improvement.
• UNIX and Linux System Administration Handbook - Approaches system administration from a practical perspective.

Open source code editors.

• Atom - A hackable text editor from Github.
• Brackets - Open source code editor for web designers and front-end developers.
• Eclipse - IDE written in Java with an extensible plug-in system.
• Geany - GTK2 text editor.
• Haroopad - Markdown editor with live preview.

Useful sysadmin related websites.

• Ops School - Comprehensive program that will help you learn to be an operations engineer.
• Dotdeb - Repository with LAMP updated packages.

Please see CONTRIBUTING for details.