We prefer to focus on upstream projects from the Red Hat environment. Examples: Rocky, Alma or CentOS Stream versus RHEL, FreeIPA instead of the RH IdM subscription, AWX versus AAP (Ansible Automation Platform), WildFly versus JBoss EAP, etc.
A selection of topics that we deal with time and again:
Linuxfabrik Open Source
ChecklistFabrik, FirewallFabrik, LFOps, Linuxfabrik Kickstart, Linuxfabrik Monitoring Plugins
Linux Distributions
AlmaLinux, CentOS Stream, Debian, Fedora, RHEL, Rocky Linux, SUSE, Ubuntu
Automation, IaC & CI/CD
AAP (Ansible Automation Platform), Ansible, GitLab, HashiCorp Terraform, Jenkins, Vagrant
Containers & Virtualization
Web & Application Servers
Runtimes & Languages
CMS, Web Apps & Frameworks
Apache Guacamole, Django, Grav, Mastodon, MediaWiki, Moodle, NodeBB, Paperless-ngx, WordPress
Mail, Office & Real-Time Communication
BigBlueButton, Collabora, Coturn, Dovecot, Jitsi, LibreOffice, Nextcloud, OnlyOffice, Postfix, Rocket.Chat
Databases, Messaging & Search
Apache Solr, Elasticsearch, Galera, InfluxDB, MariaDB, MariaDB ColumnStore, MongoDB, MySQL, OpenSearch, PostgreSQL, ProxySQL, RabbitMQ, Redis, SQLite, Valkey
Storage, Backup & Sync
Bacula, Bareos, Borg, duplicity, MinIO, restic, rsync, Samba, Veeam, ZFS
Monitoring, Logging & Analytics
Elastic Agent, Grafana, Graylog, Icinga, IcingaDB, Icinga for Kubernetes, Kibana, LibreNMS, Logstash, Matomo, Metabase, Netdata, rsyslog, Syslog, Telegraf, Zabbix
Networking, DNS & Firewall
BIND, Blocky, chrony, FortiOS, HAProxy, IPsec, iptables, Keepalived, MaxMind GeoIP, NTP, OpenVPN, pfSense, Pi-hole, SNMP, Squid, strongSwan, Unbound, Varnish, WireGuard
Security, Hardening & Compliance
AIDE, CIS, ClamAV, CrowdSec, Fail2ban, Fangfrisch, Lynis, mod_security, Nessus, OpenSCAP, OpenVAS, OSSEC, OWASP, OWASP ZAP, SecureDrop, SELinux
Identity, SSO & PKI
389 DS, Bitwarden, Easy-RSA, FreeIPA, Keycloak, Let's Encrypt, OAuth2-Proxy, OpenLDAP, SSH, Step CA, Stunnel, XCA
System, Cluster & Hardware Management
Cockpit, Corosync, fpm, GLPI, IPMI, NUT, Pacemaker, Pulp, Redfish, RPM
Need support for an open source software, platform or environment not listed here? The list is not exhaustive and is constantly changing.