Awesome Sysadmin
================

A curated list of amazingly awesome sysadmin open source resources inspired by [Awesome PHP](https://github.com/ziadoz/awesome-php)

### Categories

* [Backups](#backups)
* [Cloning](#cloning)
* [CMDB](#cmdb)
* [Continuous integration](#continuous-integration)
* [DevOps Tools](#devops-tools)
* [DNS](#dns)
* [Hosting](#hosting)
* [IMAP/POP3](#imappop3)
* [LDAP](#ldap)
* [Monitoring](#monitoring)
* [Newsletter](#newsletters)
* [NoSQL](#nosql)
* [RDBMS](#rdbms)
* [SMTP](#smtp)
* [SSH](#ssh)
* [Statistics](#statistics)
* [Ticketing systems](#ticketing-systems)
* [Troubleshooting](#troubleshooting)
* [Project Management](#project-management)
* [Version control](#version-control)
* [Virtualization](#virtualization)
* [VPN](#vpn)
* [Web](#web)
* [Webmails](#webmails)
* [Wikis](#wikis)
* [Resources](#resources)
  * [Websites](#websites)

### Backups
*Backup software.*

* [Amanda](http://www.amanda.org/) - Client–server model backup tool.
* [Bacula](http://www.bacula.org) - Another Client-server model backup tool.
* [UrBackup](http://www.urbackup.org/) - Another client/server backup system.

### Cloning.
*Cloning software*

* [Clonezilla](http://clonezilla.org/) - Partition and disk imaging/cloning program.
* [Fog](http://www.fogproject.org/) - Another computer cloning solution.

### CMDB
*Configuration management database.*

* [i-doit](http://www.i-doit.org/) - Open Source IT Documentation and CMDB.
* [iTop](http://www.combodo.com/-Overview-.html) - A complete open source, ITIL, web based service management tool.

### Continuous integration
*Continuous integration software.*

* [Go](http://www.thoughtworks.com/products/go-continuous-delivery) - Open source agile build and release management software.
* [Jenkins](http://jenkins-ci.org/) - An extendable open source continuous integration server.

### DevOPs Tools
*Configuration management tools.*

* [Ansible](http://www.ansibleworks.com/) -  It's written in Python and manages the nodes over SSH.
* [CFEngine](http://cfengine.com/) - Lightweight agent system. Configuration state is specified via a declarative language.
* [Chef](http://www.opscode.com/chef/) - It's written in Ruby and Erlang and uses a pure-Ruby DSL.
* [Puppet](http://puppetlabs.com/) - It's written in Ruby and uses Puppet's declarative language or a Ruby DSL.
* [Salt](http://www.saltstack.com/) - It's written in Python.

*Network configuration management tools.*

* [RANCID](http://www.shrubbery.net/rancid/) - Monitors network device's configurarion and maintain history of changes.
* [rConfig](http://www.rconfig.com/) - Another network device configuration management tool.

### DNS
*DNS servers.*

* [Bind](https://www.isc.org/downloads/bind/) - The most widely used name server software.
* [djbdns](http://cr.yp.to/djbdns.html) - A collection of DNS applications, including tinydns.
* [NSD](http://www.nlnetlabs.nl/projects/nsd/) - Authoritative only, high performance, simple name server.
* [PowerDNS](https://www.powerdns.com/) - DNS server with a variety of data storage back-ends and load balancing features.

### Hosting
*Web hosting control panels*

* [ISPConfig](http://www.ispconfig.org) - Hosting control panel for Linux.
* [Virtualmin](http://www.virtualmin.com/) - Control panel for Linux based on webmin.

### IMAP/POP3
*IMAP/POP3 mail servers.*

* [Courier IMAP/POP3](http://www.courier-mta.org/imap/) - Fast, scalable, enterprise IMAP and POP3 server.
* [Cyrus IMAP/POP3](http://cyrusimap.org/) - Intended to be run on sealed servers, where normal users are not permitted to log in.
* [Dovecot](http://www.dovecot.org/) - IMAP and POP3 server written primarily with security in mind.
* [Qpopper](http://www.eudora.com/products/unsupported/qpopper/) - One of the oldest and most popular server implementations of POP3.

### LDAP
*LDAP servers.*

* [389 Directory Server](http://port389.org) - Developed by Red Hat.
* [Apache Directory Server](http://directory.apache.org/) - Apache Software Foundation project written in Java.
* [OpenDS](https://opends.java.net/) - Another directory server written in Java.
* [OpenLDAP](http://openldap.org/) - Developed by the OpenLDAP Project.

### Monitoring
*Monitoring software.*

* [Cacti](http://www.cacti.net) - Web-based network monitoring and graphing tool.
* [Icinga](https://www.icinga.org/) - Fork of Nagios.
* [Monit](http://mmonit.com/monit/#home) - Small Open Source utility for managing and monitoring Unix systems.
* [Munin](http://munin-monitoring.org/) - Networked resource monitoring tool.
* [Nagios](http://www.nagios.org/) - Computer system, network and infrastructure monitoring software application.
* [Zabbix](http://www.zabbix.com/) - Eenterprise-class software for monitoring of networks and applications
* [Zenoss](http://community.zenoss.org) - Application, server, and network management platform based on Zope.
* [Xymon](http://www.xymon.com/) - Network monitoring inspired by Big Brother.

### Newsletters
*Newsletter software.*

* [phpList](http://www.phplist.com/) - Newsletter manager.

### NoSQL
*NoSQL servers.*

* [Cassandra](http://cassandra.apache.org/) - Distributed DBMS designed to handle large amounts of data across many servers.
* [CouchDB](http://couchdb.apache.org/) - Ease of use, with multi-master replication document-oriented database system.
* [MongoDB](http://www.mongodb.org/) - Another document-oriented database system.
* [Redis](http://redis.io/) - Networked, in-memory, key-value data store with optional durability.
* [Riak](http://basho.com/riak/) - Another fault-tolerant key-value NoSQL database.

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

### RDBMS
*Relational DBMS.*

* [MariaDB](https://mariadb.org/) - Community-developed fork of the MySQL.
* [MySQL](http://dev.mysql.com/) - Most popular RDBMS server.
* [Percona Server](http://www.percona.com/software) - Enhanced, drop-in MySQL replacement.
* [PostgreSQL](http://www.postgresql.org/) - Object-relational database management system (ORDBMS).
* [SQLite](http://sqlite.org/) - Library that implements a self-contained, serverless, zero-configuration, transactional SQL DBS.

### SMTP
*SMTP servers.*

* [Exim](http://www.exim.org/) - Message transfer agent (MTA) developed at the University of Cambridge.
* [Qmail](http://cr.yp.to/qmail.html) - Secure Sendmail replacement.
* [Postfix](http://www.postfix.org/) - Fast, easy to administer, and secure Sendmail replacement.
* [Sendmail](http://www.sendmail.com/sm/open_source/) - Message transfer agent (MTA).

### SSH
*SSH tools.*

* [Cluster SSH](http://sourceforge.net/projects/clusterssh/) - Controls a number of xterm windows via a single graphical console.
* [parallel-ssh](http://code.google.com/p/parallel-ssh/) - Provides parallel versions of OpenSSH and related tools.
* [SSH Power Tool](http://code.google.com/p/sshpt/) - Execute commands and upload files to many servers simultaneously without using pre-shared keys.

### Statistics
*Analytics software.*

* [Piwik](http://piwik.org/) - Free and open source web analytics application.

### Ticketing systems
*Web-based ticketing system.*

* [Bugzilla](http://www.bugzilla.org/) - General-purpose bugtracker and testing tool originally developed and used by the Mozilla project.
* [MantisBT](http://www.mantisbt.org/) - Another web-based bug tracking system.
* [osTicket](http://osticket.com/) - Open source support ticket system.
* [Request Tracker](http://www.bestpractical.com/rt/) - Ticket-tracking system written in Perl.

### Troubleshooting
*Troubleshooting Tools.*

* [Sysdig](http://www.sysdig.org/) - Capture system state and activity from a running Linux instance, then save, filter and analyze.

### Project Management
*Web-based project management and bug tracking systems.*

* [Redmine](http://www.redmine.org/) - Written in ruby on rails.
* [The Bug Genie](http://www.thebuggenie.com/) - Written in PHP.
* [Trac](http://trac.edgewall.org/) - Written in python.

### Version control
*Software versioning and revision control.*

* [Git](http://git-scm.com/) - Distributed revision control and source code management (SCM) with an emphasis on speed.
* [Mercurial](http://mercurial.selenic.com/) - Another distributed revision control.
* [Subversion](http://subversion.apache.org/) - Client-server revision control system.

### Virtualization
*Virtualization software.*

* [KVM](http://www.linux-kvm.org) - Linux kernel virtualization infrastructure.
* [OpenVZ](http://openvz.org) - Container-based virtualization for Linux
* [VirtualBox](https://www.virtualbox.org/) - Virtualization product from Oracle Corporation.
* [Xen](http://www.xenproject.org/) - Virtual machine monitor for 32/64 bit Intel / AMD (IA 64) and PowerPC 970 architectures.

### VPN
*VPN software.*

* [OpenVPN](https://community.openvpn.net) - Uses a custom security protocol that utilizes SSL/TLS for key exchange.
* [strongSwan](http://www.strongswan.org/) - Complete IPsec implementation for Linux.

### Webmails
*Webmail applications.*

* [RainLoop](http://rainloop.net/) - Simple, modern & fast web-based IMAP client.
* [Roundcube](http://roundcube.net/) - Browser-based IMAP client with an application-like user interface.

### Web
*Web servers.*

* [Apache](http://httpd.apache.org/) - Most popular web server.
* [Cherokee](http://cherokee-project.com/) - Lightweight, high-performance web server/reverse proxy.
* [Lighttpd](http://www.lighttpd.net/) -  Web server more optimized for speed-critical environments.
* [Nginx](http://nginx.org/) -  Reverse proxy, load balancer, HTTP cache, and web server.

### Wikis
*Wiki software.*

* [DokuWiki](https://www.dokuwiki.org/dokuwiki) - Simple to use and highly versatile wiki that doesn't require a database.
* [Mediawiki](http://www.mediawiki.org/wiki/MediaWiki) - Used to power Wikipedia.

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

### Websites
*Useful sysadmin related websites.*

* [Ops School](http://www.opsschool.org) - Comprehensive program that will help you learn to be an operations engineer.
* [Dotdeb](http://www.dotdeb.org/) - Repository with LAMP updated packages.