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

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Quick Overview

Awesome-sysadmin is a curated list of open source sysadmin resources. It provides a comprehensive collection of tools, software, and resources for system administrators, covering various aspects of IT infrastructure management, monitoring, security, and more. The repository serves as a valuable reference for both novice and experienced sysadmins.

Pros

  • Extensive collection of resources covering a wide range of sysadmin topics
  • Regularly updated with new tools and resources
  • Well-organized into categories for easy navigation
  • Community-driven project with contributions from multiple sysadmins

Cons

  • May be overwhelming for beginners due to the sheer number of resources
  • Some listed tools may become outdated or discontinued over time
  • Lacks detailed descriptions or comparisons of listed resources
  • No standardized vetting process for included tools

Note: As this is not a code library, the code example and quick start sections have been omitted.

Competitor Comparisons

awesome-foss logo

awesome-sysadmin

24,955

A curated list of amazingly awesome open-source sysadmin resources.

Pros of awesome-sysadmin

  • More frequent updates and contributions
  • Broader range of categories and tools covered
  • Better organization with clear subcategories

Cons of awesome-sysadmin

  • Less focus on exclusively free and open-source software
  • Potentially overwhelming due to the large number of entries
  • Some links may be outdated or no longer maintained

Code Comparison

While both repositories are primarily curated lists, there's no significant code to compare. However, the structure of the README.md files differs:

awesome-sysadmin:

## Category Name
* [Tool Name](https://example.com) - Brief description.

kahun/awesome-sysadmin:

# Category Name
- [Tool Name](https://example.com) - Brief description.

The main difference is in the use of heading levels and list styles. awesome-sysadmin uses second-level headings and unordered lists with asterisks, while kahun/awesome-sysadmin uses first-level headings and unordered lists with hyphens.

Both repositories serve as valuable resources for sysadmins, with awesome-sysadmin offering a more comprehensive and up-to-date list, while kahun/awesome-sysadmin may be more suitable for those specifically looking for free and open-source options.

trimstray logo

the-book-of-secret-knowledge

146,083

A collection of inspiring lists, manuals, cheatsheets, blogs, hacks, one-liners, cli/web tools and more.

Pros of the-book-of-secret-knowledge

  • Broader scope, covering various IT topics beyond system administration
  • Includes more practical tools, one-liners, and CLI commands
  • Regularly updated with new content and contributions

Cons of the-book-of-secret-knowledge

  • Less structured organization compared to awesome-sysadmin
  • May be overwhelming for beginners due to the vast amount of information
  • Lacks detailed descriptions for some tools and resources

Code comparison

While both repositories primarily consist of curated lists rather than code, they do include some command-line examples. Here's a brief comparison:

the-book-of-secret-knowledge:

# Get all IPs for domain
dig a domain.com +short
# Get PTR record for IP address
dig -x IP_ADDRESS +short

awesome-sysadmin:

# No direct code examples provided in the main README
# Instead, it links to external resources and tools

The-book-of-secret-knowledge includes more practical command-line examples directly in its README, while awesome-sysadmin focuses on providing links to external resources and tools without showcasing specific commands.

Both repositories serve as valuable resources for IT professionals, with the-book-of-secret-knowledge offering a broader range of topics and practical examples, while awesome-sysadmin provides a more structured and focused approach to system administration resources.

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Pros of awesome-shell

  • Focused specifically on shell-related tools and resources
  • Includes a wide range of shell scripting languages (Bash, Zsh, Fish, etc.)
  • Provides a curated list of shell-specific productivity tools

Cons of awesome-shell

  • Limited scope compared to awesome-sysadmin's broader system administration coverage
  • Lacks categories for infrastructure management and monitoring tools
  • May not be as comprehensive for general system administration tasks

Code Comparison

awesome-shell example (shell scripting):

#!/bin/bash
for file in *.txt; do
    echo "Processing $file"
    # Add your processing logic here
done

awesome-sysadmin example (configuration management):

---
- hosts: webservers
  tasks:
    - name: Ensure Apache is installed
      yum:
        name: httpd
        state: present

Both repositories offer valuable resources for system administrators and shell enthusiasts. awesome-shell excels in providing shell-specific tools and scripts, making it ideal for those focused on command-line productivity. awesome-sysadmin, on the other hand, offers a more comprehensive collection of resources covering various aspects of system administration, including networking, monitoring, and infrastructure management. The choice between the two depends on the user's specific needs and focus areas within system administration and shell scripting.

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Pros of awesome-sre

  • More focused on Site Reliability Engineering (SRE) specific topics and practices
  • Includes sections on SRE books, courses, and conferences
  • Provides resources for SRE culture and team organization

Cons of awesome-sre

  • Less comprehensive in general system administration tools and technologies
  • Fewer categories and subcategories compared to awesome-sysadmin
  • May not cover as many traditional sysadmin topics

Code comparison

While both repositories are primarily curated lists of resources, they don't contain significant code. However, here's a comparison of their README structures:

awesome-sre:

# Awesome Site Reliability Engineering [![Awesome](https://cdn.rawgit.com/sindresorhus/awesome/d7305f38d29fed78fa85652e3a63e154dd8e8829/media/badge.svg)](https://github.com/sindresorhus/awesome)

A curated list of Site Reliability and Production Engineering resources.

#### What is Site Reliability Engineering?
> "Fundamentally, it's what happens when you ask a software engineer to design an operations function." - Ben Treynor Sloss, VP Google Engineering, founder of Google SRE

awesome-sysadmin:

# Awesome Sysadmin [![Awesome](https://cdn.rawgit.com/sindresorhus/awesome/d7305f38d29fed78fa85652e3a63e154dd8e8829/media/badge.svg)](https://github.com/sindresorhus/awesome)

A curated list of amazingly awesome open source sysadmin resources.

## Table of Contents

- [Backups](#backups)
- [Cloning](#cloning)
- [Cloud Computing](#cloud-computing)
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awesome-scalability

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The Patterns of Scalable, Reliable, and Performant Large-Scale Systems

Pros of awesome-scalability

  • Focuses specifically on scalability concepts and techniques
  • Includes architectural patterns and design principles
  • Provides resources for cloud-native and distributed systems

Cons of awesome-scalability

  • Narrower scope compared to awesome-sysadmin
  • Less comprehensive coverage of general system administration tools
  • May not be as useful for day-to-day sysadmin tasks

Code comparison

While both repositories are curated lists and don't contain actual code, they differ in their organization and content focus. Here's a sample of how they structure their lists:

awesome-scalability:

- [Scalability](#scalability)
  - [Principles](#principles)
  - [Databases](#databases)
  - [System Design](#system-design)

awesome-sysadmin:

## Backups
- [Amanda](http://www.amanda.org/) - Client-server model backup tool.
- [Bacula](http://www.bacula.org) - Another Client-server model backup tool.

awesome-scalability organizes content by scalability concepts, while awesome-sysadmin categorizes tools by their functionality in system administration. awesome-scalability is more focused on theoretical knowledge and best practices, whereas awesome-sysadmin provides a comprehensive list of practical tools for various sysadmin tasks.

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README

Awesome Sysadmin

A curated list of amazingly awesome open source sysadmin resources.

Contributing

Please read CONTRIBUTING if you wish to add software.

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.
  • dashing - No Longer Maintained - Ruby gem that allows for rapid statistical dashboard development. An all HTML5 approach allows for big screen displays in data centers or conference rooms.
  • 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.

License

cc license

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