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Sys-Admin

A curated list of amazingly awesome open source sysadmin resources.

Table of Contents

Backups

Backup software.

  • Amanda - Client-server model backup tool.
  • Attic - A deduplicating backup program written in Python.
  • Bacula - Another Client-server model backup tool.
  • Bareos - A fork of Bacula backup tool.
  • Barman - Backup and Recovery Manager for disaster recovery of PostgreSQL servers.
  • Backupninja - Lightweight, extensible meta-backup system.
  • Backuppc - Client-server model backup tool with file pooling scheme.
  • Brebis - A fully automated backup checker.
  • Bup - Incremental backups with rolling checksums, git packfiles, de-duplication, and a FUSE filesystem.
  • Burp - Network backup and restore program.
  • Duplicati - Multiple backends, encryption, web-ui and multi-OS backup tool.
  • Duplicity - Encrypted bandwidth-efficient backup using the rsync algorithm.
  • FreeFileSync - Folder comparison and synchronization tool.
  • Lsyncd - File Monitor which spawns a process to synchronize the changes (rsync by default).
  • restic - Fast, secure, efficient backup program
  • Rsnapshot - Filesystem Snapshotting Utility.
  • SafeKeep - Centralized pull-based backup using rdiff-backup.
  • Snebu – Snapshot backup with global multi-client deduplication and transparent compression.
  • UrBackup - Another client-server backup system.
  • ZBackup - A versatile deduplicating backup tool.

Backup libraries.

  • Backup - Provides an elegant DSL in Ruby for performing backups on UNIX-like systems.
  • DREBS - AWS EBS backup script that supports strategies.

Build Automation

Build automation tools.

  • Apache Ant - Automation build tool, similar to make, written in Java.
  • Apache Maven - Build automation tool mainly for Java.
  • GNU Make - The most popular automation build tool for many purposes.
  • Gradle - Another open source build automation system.

ChatOps

Conversation-driven development & management.

  • CloudBot - The simple, fast, expandable, open-source Python IRC bot.
  • Eggdrop - The world's most popular Open Source IRC bot, designed for flexibility and ease of use.
  • Err - A plugin based chatbot designed to be easily deployable, extensible and maintainable.
  • Hubot - A customizable, life embetterment robot.
  • Lazlo - A chatops automation framework in Go.
  • Lita - A robot companion for your company's chat room.
  • KeyBase - Encrypted chat, cloud and git.

Cloning

Cloning software.

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

Cloud Computing

  • AppScale - Open source cloud software with Google App Engine compatibility.
  • Archipel - Manage and supervise virtual machines using Libvirt.
  • CloudStack - Cloud computing software for creating, managing, and deploying infrastructure cloud services.
  • Cobbler - Cobbler is a Linux installation server that allows for rapid setup of network installation environments.
  • Eucalyptus - Open source private cloud software with AWS compatibility.
  • Mesos - Develop and run resource-efficient distributed systems.
  • OpenNebula - An user-driven cloud management platform for sysadmins and devops.
  • Openshift Origin - Open source upstream of OpenShift, the next generation application hosting platform developed by Red Hat.
  • OpenStack - Open source software for building private and public clouds.
  • The Foreman - Foreman is a complete lifecycle management tool for physical and virtual servers. FOSS.
  • Tsuru - Tsuru is an extensible and open source Platform as a Service software.
  • Terraform - Terraform allows you to practice infrastructure as code and is commonly used for AWS/GCE.

Cloud Orchestration

  • BOSH - IaaS orchestration platform originally written for deploying and managing Cloud Foundry PaaS, but also useful for general purpose distributed systems.
  • Ansible - Contains modules for controlling many types of cloud resources.
  • Cloudify - Open source TOSCA-based cloud orchestration software platform written in Python and YAML.
  • consul - It is a tool for discovering and configuring services in your infrastructure.
  • doozerd - Doozer is a highly-available, completely consistent store for small amounts of extremely important data.
  • etcd - A highly-available key value store for shared configuration and service discovery.
  • Juju - Cloud orchestration tool which manages services as charms, YAML configuration and deployment script bundles.
  • MCollective - Ruby framework to manage server orchestration, developed by Puppet labs.
  • 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.
  • serf - Serf is a tool for cluster membership.
  • StackStorm - Event Driven Operations and ChatOps platform for infrastructure management. Written in Python.
  • zookeeper - ZooKeeper is a centralized service for maintaining configuration information, naming, providing distributed synchronization, and providing group services.

Cloud Storage

  • git-annex assistant - A synchronised folder on each of your OSX and Linux computers, Android devices, removable drives, NAS appliances, and cloud services.
  • nextCloud - Provides access to your files via the web
  • ownCloud - Provides universal access to your files via the web, your computer or your mobile devices.
  • Seafile - Another Open Source Cloud Storage solution.
  • SparkleShare - Provides cloud storage and file synchronization services. By default, it uses Git as a storage backend.
  • Swift - A highly available, distributed, eventually consistent object/blob store.
  • Syncthing - Open Source system for private, encrypted and authenticated distribution of data.

Code Review

Web Based collaborative code review system.

  • Gerrit - Based on the Git version control, it facilitates software developers to review modifications to the source code and approve or reject those changes.
  • Phabricator - Code review tool build by facebook and used by WikiMedia, FB, dropbox etc. Comes with an integrated wiki, bug tracker, VC integration and a CLI tool called arcanist.
  • Review Board - Web-based collaborative code review tool.

Collaborative Software

Collaborative software or groupware suites.

  • Citadel/UX - Collaboration suite (messaging and groupware) that is descended from the Citadel family of programs.
  • EGroupware - Groupware software written in PHP.
  • Horde Groupware - PHP based collaborative software suite that includes email, calendars, wikis, time tracking and file management.
  • Kolab - Another groupware suite.
  • SOGo - Collaborative software server with a focus on simplicity and scalability.
  • Zimbra - Collaborative software suite, that includes an email server and web client.

Configuration Management Database

Configuration management database (CMDB) software.

  • Clusto - Helps you keep track of your inventory, where it is, how it's connected, and provides an abstracted interface for interacting with the elements of the infrastructure.
  • Collins - At Tumblr, it's the infrastructure source of truth and knowledge.
  • i-doit - Open Source IT Documentation and CMDB.
  • iTop - Complete open source, ITIL, web based service management tool.
  • Ralph - Asset management, DCIM and CMDB system for large Data Centers as well as smaller LAN networks.
  • Sicekit - The systems & infrastructure encyclopaedia toolkit (based on MediaWiki).

Configuration Management

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.
  • mgmt - Next generation config management written in Go.
  • 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.
  • (R)?ex - It's written in Perl and use plain Perl, over SSH without agent.
  • Salt - It's written in Python.
  • Slaughter - It's written in Perl.

Continuous Integration & Continuous Deployment

Continuous integration/deployment software.

  • Buildbot - Python-based toolkit for continuous integration.
  • Drone - Continuous integration server built on Docker and configured using YAML files.
  • GitLab CI - Based off of ruby. They also provide GitLab, which manages git repositories.
  • Go - Open source continuous delivery server.
  • Jenkins - An extendable open source continuous integration server.
  • Concourse CI - A pipeline-based CI system written in Go.
  • Spinnaker - Open source, multi-cloud continuous delivery platform for releasing software changes.
  • TeamCity - Powerful Continuous Integration out of the box

Control Panels

Web hosting and server control panels.

  • Ajenti - Control panel for Linux and BSD.
  • Cockpit - New multi-server web interface for Linux servers written in C.
  • Feathur - VPS Provisioning and Management Software.
  • Froxlor - Easy to use panel for Linux with Nginx and PHP-FPM support.
  • ISPConfig - Hosting control panel for Linux.
  • Sentora - Control panel for Linux, BSD, and Windows based on ZPanel.
  • VestaCP - Hosting panel for Linux but with Nginx.
  • Virtualmin - Control panel for Linux based on webmin.
  • Webmin - Linux server control panel.
  • ZPanel - Control panel for Linux, BSD, and Windows.

Deployment Automation

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).
  • Rocketeer - PHP task runner and deployment tool.
  • Vlad the Deployer - Deployment automation (rake based).

Diagramming

Tools to diagram networks.

  • drawthe.net - Draws network diagrams dynamically from a text file describing the placement, layout and icons.

Distributed Filesystems

Network distributed filesystems.

  • Ceph - Distributed object store and file system.
  • DRBD - Distributed Replicated Block Device.
  • LeoFS - Unstructured object/data storage and a highly available, distributed, eventually consistent storage system.
  • 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.
  • MogileFS - Application level, network distributed file system.
  • OpenAFS - Distributed network file system with read-only replicas and multi-OS support.
  • TahoeLAFS - secure, decentralized, fault-tolerant, peer-to-peer distributed data store and distributed file system.
  • XtreemFS - XtreemFS is a fault-tolerant distributed file system for all storage needs.

DNS

DNS servers.

  • Bind - The most widely used name server software.
  • djbdns - A collection of DNS applications, including tinydns.
  • Designate - DNS REST API that support several DNS servers as its backend.
  • dnsmasq - A lightweight service providing DNS, DHCP and TFTP services to small-scale networks.
  • 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.

Editors

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.
  • GNU Emacs - An extensible, customizable text editor-and more.
  • Haroopad - Markdown editor with live preview.
  • ICEcoder - Code editor awesomeness, built with common web languages.
  • IntellijIDEA - Capable and ergonomic IDE, written in Java, It has a lot of plug-ins.
  • jotgit - Git-backed real-time collaborative code editing.
  • Light Table - The next generation code editor.
  • Lime - Aims to provide an open source solution to Sublime Text
  • SciTE - A SCIntilla based Text Editor.
  • TextMate - A graphical text editor for OS X.
  • Vim - A highly configurable text editor built to enable efficient editing.
  • Nano - A popular text editor, by default comes with most Linux distributions.
  • Visual Studio Code - Fast, hackable, multi-platform code editor from Microsoft.

IT Asset Management

IT Assets Management software.

  • GLPI - Information Resource-Manager with an additional Administration Interface.
  • OCS Inventory NG - Enables users to inventory their IT assets.
  • Netbox - IP address management (IPAM) and data center infrastructure management (DCIM) tool.
  • RackTables - Datacenter and server room asset management like document hardware assets, network addresses, space in racks, networks configuration.
  • Ralph - Asset management, DCIM and CMDB system for large Data Centers as well as smaller LAN networks.
  • Snipe IT - Asset & license management software.
  • OpenDCIM - A web based Data Center Infrastructure Management application.

LDAP

LDAP servers.

LDAP management

Log Management

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

  • Echofish - A web based real-time event log aggregation, analysis, monitoring and management system.
  • Elasticsearch - A Lucene Based Document store mainly used for log indexing, storage and analysis.
  • Fluentd - Log Collector and Shipper.
  • Flume - Distributed log collection and aggregation system.
  • Graylog2 - Pluggable Log and Event Analysis Server with Alerting options.
  • Heka - Stream processing system which may be used for log aggregation.
  • Kibana - Visualize logs and time-stamped data.
  • Logstash - Tool for managing events and logs.
  • Octopussy - Log Management Solution (Visualize / Alert / Report).

Mail Servers

Mail Delivery Agents (IMAP/POP3 software).

  • 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.

Mail Transfer Agents (SMTP servers).

  • Exim - Message transfer agent (MTA) developed at the University of Cambridge.
  • Haraka - A high-performance, pluginable SMTP server written in JavaScript.
  • MailCatcher - Ruby gem that deploys a simply SMTP MTA gateway that accepts all mail and displays in web interface. Useful for debugging or development.
  • Maildrop - Open Source disposable email SMTP server, also useful for development.
  • 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).

Complete solutions.

  • Mail-in-a-Box - Take back control of your email with this easy-to-deploy mail server in a box.
  • iRedMail - Full-featured mail server solution based on Postfix and Dovecot.

Messaging

XMPP servers.

  • ejabberd - XMPP instant messaging server written in Erlang/OTP.
  • Metronome IM - Fork of Prosody IM.
  • MongooseIM - Fullstack real-time mobile messaging platform (XMPP+REST) in Erlang
  • Openfire - Real time collaboration (RTC) server.
  • Prosody IM - XMPP server written in Lua.
  • Tigase - XMPP server implementation in Java.

XMPP web clients.

  • Candy - Multi user XMPP client written in Javascript.
  • Kaiwa - Web based chat client in the style of common paid alternatives.

Webchats.

  • Lets-Chat - A self hosted chat suite written in Node.

Monitoring

Monitoring software.

  • Alerta - Distributed, scaleable and flexible monitoring system.
  • Canopsis - Opensource Hypervision and Data Aggregation Software
  • Cacti - Web-based network monitoring and graphing tool.
  • Cabot - Monitoring and alerts, similar to PagerDuty.
  • Centreon - IT infrastructure and application monitoring for service performance.
  • check_mk - Collection of extensions for Nagios.
  • Flapjack - Monitoring notification routing & event processing system.
  • 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.
  • Node-Bell - Real-time anomalies detection for periodic time series, metrics monitor.
  • 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.
  • Sentry - Application monitoring, event logging and aggregation.
  • Serverstats - A simple tool for creating graphs using rrdtool. (source on github)
  • Seyren - An alerting dashboard for Graphite.
  • Shinken - Another monitoring framework.
  • Xymon - Network monitoring inspired by Big Brother.
  • Zabbix - Enterprise-class software for monitoring of networks and applications.
  • Zenoss - Application, server, and network management platform based on Zope.

Monitoring dashboards.

  • Adagios - Web based Nagios configuration interface.
  • Dash - A low-overhead monitoring web dashboard for a GNU/Linux machine.
  • Thruk - Multibackend monitoring web interface with support for Naemon, Nagios, Icinga and Shinken.
  • Uchiwa - Simple dashboard for the Sensu monitoring framework.

Monitoring distributions.

  • OMD - The Open Monitoring Distribution.

Metric & Metric Collection

Metric gathering and display software.

  • Collectd - System statistic collection daemon.
  • Collectl - High precision system performance metrics collecting tool.
  • Smashing - Ruby gem that allows for rapid statistical dashboard development. An all HTML5 approach allows for big screen displays in data centers or conference rooms. Fork of Dashing.
  • Diamond - Python based statistic collection daemon.
  • Facette - Time series data visualization and graphing software written in Go.
  • Freeboard - A damn-sexy front-end real-time dashboard. Transforms raw JSON into delicious UI.
  • Ganglia - High performance, scalable RRD based monitoring for grids and/or clusters of servers. Compatible with Graphite using a single collection process.
  • Grafana - A Graphite & InfluxDB Dashboard and Graph Editor.
  • Graphite - Open source scalable graphing server.
  • InfluxDB - Open source distributed time series database with no external dependencies.
  • KairosDB - Fast distributed scalable time series database, fork of OpenTSDB 1.x.
  • NetData - Distributed real-time performance and health monitoring.
  • OpenTSDB - Store and server massive amounts of time series data without losing granularity.
  • Packetbeat - Captures network traffic and displays it in a custom Kibana dashboard for easy viewing.
  • Prometheus - Service monitoring system and time series database.
  • RRDtool - Open source industry standard, high performance data logging and graphing system for time series data.
  • Statsd - Application statistic listener.

Network Configuration Management

Network configuration management tools.

  • GestióIP - An automated web based IPv4/IPv6 IP Address Management tool.
  • NOC Project - Scalable, high-performance and open-source OSS system for ISP, service and content providers.
  • Netbox - IP address management (IPAM) and data center infrastructure management (DCIM) tool.
  • Oxidized - A modern take on network device configuration monitoring with web interface and GIT storage.
  • phpIPAM - Open source IP address management with PowerDNS integration.
  • RANCID - Monitors network device's configuration and maintain history of changes.
  • rConfig - Another network device configuration management tool.
  • trigger - Robust network automation toolkit written in Python.

Newsletters

Newsletter software.

  • DadaMail - Mailing List Manager, written in Perl.
  • phpList - Newsletter manager written in PHP.

NoSQL

Column-Family.

  • Apache HBase - Hadoop database, a distributed, big data store.
  • Cassandra - Distributed DBMS designed to handle large amounts of data across many servers.
  • Hypertable - C++ based BigTable-like DBMS, communicates through Thrift and runs either as stand-alone or on distributed FS such as Hadoop.

Document Store.

  • CouchDB - Ease of use, with multi-master replication document-oriented database system.
  • ElasticSearch - Java based database, popular with log aggregation, and email archiving projects.
  • MongoDB - Another document-oriented database system.
  • RavenDB - Document based database with ACID/Transactional features.
  • RethinkDB - Open source distributed document store database, focuses on JSON.

Graph.

  • FlockDB - Twitter's distributed, fault-tolerant graph database.
  • Neo4j - Open source graph database.

Key-Value.

  • Couchbase - In-memory, replicated, peristent key/value datastore.
  • LevelDB - Google's high performance key/value database.
  • Redis - Networked, in-memory, key-value data store with optional durability.
  • Riak - Another fault-tolerant key-value NoSQL database.

Packaging

  • 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.

Queuing

Queuing software.

  • ActiveMQ - An open source message broker written in Java together with a full JMS client.
  • BeanstalkD - A simple, fast work queue.
  • Gearman - Fast multi-language queuing/job processing platform.
  • Kafka - A high-throughput distributed messaging system.
  • NSQ - A realtime distributed messaging platform.
  • RabbitMQ - Robust, fully featured, cross distro queuing system.

Queuing libraries.

  • ZeroMQ - High-performance asynchronous messaging library.

RDBMS

Relational DBMS.

  • Firebird - True universal open source database.
  • Galera - Galera Cluster for MySQL is an easy-to-use high-availability solution with high system up-time, no data loss, and scalability for future growth.
  • 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).
  • PostgreSQL-XL - Scalable Open Source PostgreSQL-based database cluster.
  • SQLite - Library that implements a self-contained, serverless, zero-configuration, transactional SQL DBS.

Security

Security tools.

  • Blackbox - Safely store secrets in Git/Mercurial. Provides tooling to automatically encrypt secrets like passwords.
  • Denyhosts - Thwart SSH dictionary based attacks and brute force attacks.
  • Fail2Ban - Scans log files and takes action on IPs that show malicious behavior.
  • fwknop - Protects ports via Single Packet Authorization in your firewall.
  • Glastopf - A low-interaction web application honeypot to emulate vulnerabilities and gather attack data.
  • Kippo - A medium-interaction SSH honeypot, mostly used as a standalone SSH daemon with a configurable Filesystem sandbox.
  • OSSEC - OSSEC is a HIDS that performs log analysis, FIM, rootkit detection, and much more.
  • OSQuery - Query your servers status and info using a SQL like interface.
  • pfSense - Firewall and Router FreeBSD distribution.
  • Snort - Snort is a free and open source network intrusion prevention system (NIPS) and network intrusion detection system (NIDS) created by Martin Roesch in 1998.
  • SpamAssassin - A powerful and popular email spam filter employing a variety of detection technique.
  • BounCA - BounCA is a personal SSL / Certificate Authority Key management tool. Create self-signed SSL certificates via your browser. (Source Code) Apache Python

Service Discovery

  • 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.
  • ZooKeeper - ZooKeeper is a centralized service for maintaining configuration information, naming, providing distributed synchronization, and providing group services.

Software Containers

Operating system–level virtualization.

  • Bitnami - Produces open source installers or software packages for web applications and development stacks as well as virtual appliances.
  • Docker - Open platform for developers and sysadmins to build, ship, and run distributed applications.
  • LXC - Userspace interface for the Linux kernel containment features.
  • LXD - LXD is a container "hypervisor".
  • OpenVZ - Container-based virtualization for Linux.
  • Docker Compose - Fast, isolated development environments using Docker.
  • Singularity - Flexible containers without root.

SSH

SSH tools.

  • Advanced SSH config - Enhances ssh_config file capabilities, completely transparent.
  • autossh - Automatically respawn ssh session after network interruption.
  • Cluster SSH - Controls a number of xterm windows via a single graphical console.
  • DSH - Dancer's shell / distributed shell - Wrapper for executing multiple remote shell commands from one command line.
  • Mosh - The mobile shell.
  • parallel-ssh - Provides parallel versions of OpenSSH and related tools.
  • pdsh - Pdsh is a high-performance, parallel remote shell utility.
  • SSH Power Tool - Execute commands and upload files to many servers simultaneously without using pre-shared keys.
  • sshrc - sources ~/.sshrc on your local computer after logging in remotely.
  • stormssh - A command line tool to manage SSH connections.

Statistics

Analytics software.

  • Analog - Logfile Analyser.
  • AWStats - Generates web, streaming, ftp or mail server statistics graphically.
  • GoAccess - Real-time web log analyzer and interactive viewer that runs in a terminal.
  • Open Web Analytics - Add web analytics to websites using JS, PHP or REST APIs.
  • Piwik - Web analytics application.
  • Webalizer - Fast, free web server log file analysis program.

Status Pages

  • Cachet - An open source status page system written in PHP.

Ticketing systems

Web-based ticketing system.

  • Bugzilla - General-purpose bugtracker and testing tool originally developed and used by the Mozilla project.
  • Cerb - Group-based e-mail management project.
  • Flyspray - Web-based bug tracking system written in PHP.
  • MantisBT - Web-based bug tracking system.
  • osTicket - Simple support ticket system.
  • OTRS - Trouble ticket system for assigning tickets to incoming queries and tracking further communications.
  • Redmine - Open source project management/ticketing web application written in Ruby.
  • Request Tracker - Ticket-tracking system written in Perl.
  • TheBugGenie - Ticket system with extensive user rights system.

Troubleshooting

Troubleshooting tools.

  • mitmproxy - A Python tool used for intercepting, viewing and modifying network traffic. Invaluable in troubleshooting certain problems.
  • Sysdig - Capture system state and activity from a running Linux instance, then save, filter and analyze.
  • Wireshark - The world's foremost network protocol analyzer.

Troubleshooting distributions.

Project Management

Web-based project management and bug tracking systems.

  • ChiliProject - Fork of Redmine.
  • GitBucket Clone of GitHub written in Scala; single jar install.
  • GitLab - Clone of GitHub written in Ruby.
  • Gogs - Self-hosted Git service written in Go.
  • OpenProject - Project collaboration with open source.
  • Phabricator Written in PHP.
  • Redmine - Written in ruby on rails.
  • Taiga - Agile, Free, Open Source Project Management Tool based on the Kanban and Scrum methods.
  • The Bug Genie - Written in PHP.
  • Trac - Written in python.

Version control

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.
  • GNU Bazaar - Distributed revision control system sponsored by Canonical.
  • Mercurial - Another distributed revision control.
  • Subversion - Client-server revision control system.

Virtualization

Virtualization software.

  • Archipel - XMPP based virtualization management platform.
  • Ganeti - Cluster virtual server management software tool built on top of KVM and Xen.
  • KVM - Linux kernel virtualization infrastructure.
  • OpenNebula - Flexible enterprise cloud made simple.
  • oVirt - Manages virtual machines, storage and virtual networks.
  • Packer - A tool for creating identical machine images for multiple platforms from a single source configuration.
  • Proxmox VE - Complete open source virtualization management solution.
  • QEMU - QEMU is a generic and open source machine emulator and virtualizer.
  • Vagrant - Tool for building complete development environments.
  • VirtualBox - Virtualization product from Oracle Corporation.
  • Xen - Virtual machine monitor for 32/64 bit Intel / AMD (IA 64) and PowerPC 970 architectures.

VPN

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.
  • wireguard - New minimal VPN Solution that is very fast.

Web

Web servers.

  • Apache - Most popular web server.
  • Caddy - The HTTP/2 Web Server with Fully Managed TLS.
  • 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.

Web Performance.

  • HAProxy - Software based load Balancing, SSL offloading and performance optimization, compression, and general web routing.
  • Squid - Caching proxy for the web supporting HTTP, HTTPS, FTP, and more.
  • Traefik - Træfɪk is a modern HTTP reverse proxy and load balancer made to deploy microservices with ease.
  • Varnish - HTTP based web application accelerator focusing on optimizing caching and compression.

Webmails

Webmail applications.

  • Mailpile - A modern, fast web-mail client with user-friendly encryption and privacy features.
  • Roundcube - Browser-based IMAP client with an application-like user interface.
  • SquirrelMail - Another browser-based IMAP client.

Wikis

Wiki software.

  • BookStack - A simple, user-friendly wiki built with PHP that uses MySQL for storage.
  • DokuWiki - Simple to use and highly versatile wiki that doesn't require a database.
  • Gollum - A simple, Git-powered wiki with a sweet API and local frontend.
  • ikiwiki - A wiki compiler.
  • MDwiki - Wiki completely built in HTML5/Javascript and runs 100% on the client.
  • MediaWiki - Used to power Wikipedia.
  • MoinMoin - An advanced, easy to use and extensible WikiEngine with a large community of users.
  • Ōlelo Wiki - A a wiki that stores pages in a Git repository.
  • TiddlyWiki - Complete interactive wiki in JavaScript.

Resources

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

Blogs

Books

Sysadmin related books.

Newsletters

  • Servers for Hackers - Newsletter for programmers who find themselves needing to know their way around a server.
  • DevOpsLinks - A community of DevOps, SysAdmin & Developers with a weekly newsletter and a team chat.

Repositories

Debian-based distributions.

  • Dotdeb - Repository with LAMP updated packages for Debian.

RPM-based distributions.

  • ElRepo - Community Repo for Enterprise Linux (RHEL, CentOS, etc).
  • EPEL - Repository for RHEL and compatibles (CentOS, Scientific Linux).
  • 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

Useful sysadmin related websites.

  • 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.

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Sys-Admin

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