This page only lists the official extensions for Server Farmer. See this page to find out, how to install these extensions, and how to create your own ones.

Special, always installed extensions

sf-keysprovides ssh/gpg management keys (this is the only extension you should fork and use your own version)
sf-reposprovides lists of system software that should be installed on each server performing a given role
sf-systembase system detection and configuration scripts

Infrastructure monitoring extensions

sf-monitoring-heartbeatdetects active network services on local machine and report their list to heartbeat system
sf-monitoring-newrelicconnects current server to NewRelic server monitoring service
sf-monitoring-smarthard drive physical state monitoring using SMART data and NewRelic platform
sf-monitoring-mysqlinstalls newrelic-mysql-plugin with fully automated configuration for local mysql database server
sf-monitoring-backupeasy monitoring of backup sizes and backup collector activities using NewRelic platform
sf-monitoring-snmpdunified snmpd configuration to allow monitoring current server through SNMP protocol
sf-monitoring-cactiadditional Cacti-specific reporting about hard drives, server temperatures, MTA queue site etc.
sf-ip-monitornotifies sysadmin about sudden external IP changes
sf-log-monitornotifies about unexpected/suspicious entries in syslog logs
sf-standby-monitorprevents overheating of USB external hard drives

Infrastructure management extensions

sf-log-receiverrsyslog configuration profile - central log storage
sf-log-forwarderrsyslog configuration profile - forwards logs from current host to central log storage
sf-log-rotatelogrotate configuration profiles
sf-mta-forwarderminimal MTA, forwarding all messages to other host in LAN
sf-mta-relayfull MTA (based on Postfix), forwarding all messages to external SMTP relay, using SSL, with message queue etc.
sf-secure-fsenforce secure directory layout (ordinary users no longer see contents of system configuration directories)
sf-secure-sshdunified and secured sshd configuration, that allows logging in as root using ssh key, and disables dangerous options
sf-secure-kernelsecure Linux kernel configuration, immune to all wide-known DDoS attack types
sf-farm-managerprovides set of simple tools to manage your server farm
sf-farm-inspectorprovides tools to analyze the health level of your server farm
sf-imap-managerprovides tools to manage users on distributed IMAP servers
sf-rsync-managerprovides tools to manage office backup services
sf-samba-managerprovides tools to manage users on distributed Samba servers
sf-backupbackup functionality for local machines
sf-backup-collectorcentral backup functionality for small and medium server farms
sf-gpgbackup encryption ability for Server Farmer
sf-db-toolsscripts to manage MySQL and Postgres database servers
sf-ntpmaintain local time on current machine using ntpdate
sf-ip-allocsincludable lists of IP address ranges allocated for several ISPs, mainly from Poland
sf-ip-fwbuilding blocks to build your own firewall solution, based on raw iptables
sf-ip-noipv6disables IPv6 connectivity at various levels

Standard software installers

sf-java8Oracle Java 8 JRE
sf-openvzOpenVZ environment for Debian Wheezy using Proxmox VE kernel
sf-phpunified configuration of PHP 5.x and 7.x
sf-rarRAR for Linux compression software
sf-rsshrestricted shell for OpenSSH

Commercial services

sf-apache22-serverunified Apache httpd 2.2 configuration (only for 2.2 configured Debian-way)
sf-tomcat8-serverunified Apache Tomcat 8.0.x configuration
sf-imap-servercomplete IMAP server for small and middle companies, combined with fetchmail
sf-imap-storagecentral storage and backup solution for managed IMAP servers
sf-moosefs-servera bunch of useful management scripts for MooseFS
sf-rsync-servercomplete office backup solution for small and middle companies
sf-samba-servermanaged Samba solution for small and medium companies
sf-motionvisual surveillance solution using open source "motion" software, and set of cheap USB cameras

Other extensions

sf-helloworlddemonstation, how to write your own extensions
sf-mc-blackblack color theme for Midnight Commander
sf-sms-smsapiSMS sender script, using service