Workshop wiki · SSH
Complete, versioned learning material for this workshop—from reference documentation and workshop levels to exercises, assessments and the supporting texts for every practice module.
SSH
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Practice modules
All 31 practice examples in this workshop are available as individual ZIP files. Choose an example to download its package directly.
README-EL.mdREADME.mdbin/lab_skeleton.shclient/ssh_configdata/auth.log.sampledocs/de/README.mddocs/el/README.mddocs/en/README.mdrun.shrunbook.txtscenario.jsonserver/authorized_keys.sampleserver/sshd_config.sampletests/smoke.shREADME-EL.mdREADME.mdbin/first_client_login_model.shclient/ssh_configdata/auth.log.sampledocs/de/README.mddocs/el/README.mddocs/en/README.mdrun.shrunbook.txtscenario.jsonserver/authorized_keys.sampleserver/sshd_config.sampletests/smoke.shREADME-EL.mdREADME.mdbin/ed25519_key_generation.shclient/ssh_configdata/auth.log.sampledocs/de/README.mddocs/el/README.mddocs/en/README.mdrun.shrunbook.txtscenario.jsonserver/authorized_keys.sampleserver/sshd_config.sampletests/smoke.shREADME-EL.mdREADME.mdbin/known_hosts_tofu.shclient/ssh_configdata/auth.log.sampledocs/de/README.mddocs/el/README.mddocs/en/README.mdrun.shrunbook.txtscenario.jsonserver/authorized_keys.sampleserver/sshd_config.sampletests/smoke.shREADME-EL.mdREADME.mdbin/authorized_keys_options.shclient/ssh_configdata/auth.log.sampledocs/de/README.mddocs/el/README.mddocs/en/README.mdrun.shrunbook.txtscenario.jsonserver/authorized_keys.sampleserver/sshd_config.sampletests/smoke.shREADME-EL.mdREADME.mdbin/file_permissions_ssh_dir.shclient/ssh_configdata/auth.log.sampledocs/de/README.mddocs/el/README.mddocs/en/README.mdrun.shrunbook.txtscenario.jsonserver/authorized_keys.sampleserver/sshd_config.sampletests/smoke.shREADME-EL.mdREADME.mdbin/client_config_host_blocks.shclient/ssh_configdata/auth.log.sampledocs/de/README.mddocs/el/README.mddocs/en/README.mdrun.shrunbook.txtscenario.jsonserver/authorized_keys.sampleserver/sshd_config.sampletests/smoke.shREADME-EL.mdREADME.mdbin/verbose_debugging.shclient/ssh_configdata/auth.log.sampledocs/de/README.mddocs/el/README.mddocs/en/README.mdrun.shrunbook.txtscenario.jsonserver/authorized_keys.sampleserver/sshd_config.sampletests/smoke.shREADME-EL.mdREADME.mdbin/ssh_agent_workflow.shclient/ssh_configdata/auth.log.sampledocs/de/README.mddocs/el/README.mddocs/en/README.mdrun.shrunbook.txtscenario.jsonserver/authorized_keys.sampleserver/sshd_config.sampletests/smoke.shREADME-EL.mdREADME.mdbin/agent_forwarding_risk.shclient/ssh_configdata/auth.log.sampledocs/de/README.mddocs/el/README.mddocs/en/README.mdrun.shrunbook.txtscenario.jsonserver/authorized_keys.sampleserver/sshd_config.sampletests/smoke.shREADME-EL.mdREADME.mdbin/sftp_scp_rsync_model.shclient/ssh_configdata/auth.log.sampledocs/de/README.mddocs/el/README.mddocs/en/README.mdrun.shrunbook.txtscenario.jsonserver/authorized_keys.sampleserver/sshd_config.sampletests/smoke.shREADME-EL.mdREADME.mdbin/local_port_forwarding.shclient/ssh_configdata/auth.log.sampledocs/de/README.mddocs/el/README.mddocs/en/README.mdrun.shrunbook.txtscenario.jsonserver/authorized_keys.sampleserver/sshd_config.sampletests/smoke.shREADME-EL.mdREADME.mdbin/remote_port_forwarding.shclient/ssh_configdata/auth.log.sampledocs/de/README.mddocs/el/README.mddocs/en/README.mdrun.shrunbook.txtscenario.jsonserver/authorized_keys.sampleserver/sshd_config.sampletests/smoke.shREADME-EL.mdREADME.mdbin/dynamic_socks_forwarding.shclient/ssh_configdata/auth.log.sampledocs/de/README.mddocs/el/README.mddocs/en/README.mdrun.shrunbook.txtscenario.jsonserver/authorized_keys.sampleserver/sshd_config.sampletests/smoke.shREADME-EL.mdREADME.mdbin/proxyjump_bastion.shclient/ssh_configdata/auth.log.sampledocs/de/README.mddocs/el/README.mddocs/en/README.mdrun.shrunbook.txtscenario.jsonserver/authorized_keys.sampleserver/sshd_config.sampletests/smoke.shREADME-EL.mdREADME.mdbin/proxycommand_netcat.shclient/ssh_configdata/auth.log.sampledocs/de/README.mddocs/el/README.mddocs/en/README.mdrun.shrunbook.txtscenario.jsonserver/authorized_keys.sampleserver/sshd_config.sampletests/smoke.shREADME-EL.mdREADME.mdbin/controlmaster_multiplexing.shclient/ssh_configdata/auth.log.sampledocs/de/README.mddocs/el/README.mddocs/en/README.mdrun.shrunbook.txtscenario.jsonserver/authorized_keys.sampleserver/sshd_config.sampletests/smoke.shREADME-EL.mdREADME.mdbin/git_over_ssh.shclient/ssh_configdata/auth.log.sampledocs/de/README.mddocs/el/README.mddocs/en/README.mdrun.shrunbook.txtscenario.jsonserver/authorized_keys.sampleserver/sshd_config.sampletests/smoke.shREADME-EL.mdREADME.mdbin/ci_deploy_key_model.shclient/ssh_configdata/auth.log.sampledocs/de/README.mddocs/el/README.mddocs/en/README.mdrun.shrunbook.txtscenario.jsonserver/authorized_keys.sampleserver/sshd_config.sampletests/smoke.shREADME-EL.mdREADME.mdbin/sftp_only_chroot_model.shclient/ssh_configdata/auth.log.sampledocs/de/README.mddocs/el/README.mddocs/en/README.mdrun.shrunbook.txtscenario.jsonserver/authorized_keys.sampleserver/sshd_config.sampletests/smoke.shREADME-EL.mdREADME.mdbin/user_ca_certificates.shclient/ssh_configdata/auth.log.sampledocs/de/README.mddocs/el/README.mddocs/en/README.mdrun.shrunbook.txtscenario.jsonserver/authorized_keys.sampleserver/sshd_config.sampletests/smoke.shREADME-EL.mdREADME.mdbin/host_ca_certificates.shclient/ssh_configdata/auth.log.sampledocs/de/README.mddocs/el/README.mddocs/en/README.mdrun.shrunbook.txtscenario.jsonserver/authorized_keys.sampleserver/sshd_config.sampletests/smoke.shREADME-EL.mdREADME.mdbin/key_revocation_list.shclient/ssh_configdata/auth.log.sampledocs/de/README.mddocs/el/README.mddocs/en/README.mdrun.shrunbook.txtscenario.jsonserver/authorized_keys.sampleserver/sshd_config.sampletests/smoke.shREADME-EL.mdREADME.mdbin/fido2_security_key_model.shclient/ssh_configdata/auth.log.sampledocs/de/README.mddocs/el/README.mddocs/en/README.mdrun.shrunbook.txtscenario.jsonserver/authorized_keys.sampleserver/sshd_config.sampletests/smoke.shREADME-EL.mdREADME.mdbin/algorithm_policy_review.shclient/ssh_configdata/auth.log.sampledocs/de/README.mddocs/el/README.mddocs/en/README.mdrun.shrunbook.txtscenario.jsonserver/authorized_keys.sampleserver/sshd_config.sampletests/smoke.shREADME-EL.mdREADME.mdbin/sshd_hardening_baseline.shclient/ssh_configdata/auth.log.sampledocs/de/README.mddocs/el/README.mddocs/en/README.mdrun.shrunbook.txtscenario.jsonserver/authorized_keys.sampleserver/sshd_config.sampletests/smoke.shREADME-EL.mdREADME.mdbin/login_rate_limit_fail2ban_model.shclient/ssh_configdata/auth.log.sampledocs/de/README.mddocs/el/README.mddocs/en/README.mdrun.shrunbook.txtscenario.jsonserver/authorized_keys.sampleserver/sshd_config.sampletests/smoke.shREADME-EL.mdREADME.mdbin/audit_auth_logs.shclient/ssh_configdata/auth.log.sampledocs/de/README.mddocs/el/README.mddocs/en/README.mdrun.shrunbook.txtscenario.jsonserver/authorized_keys.sampleserver/sshd_config.sampletests/smoke.shREADME-EL.mdREADME.mdbin/host_key_rotation.shclient/ssh_configdata/auth.log.sampledocs/de/README.mddocs/el/README.mddocs/en/README.mdrun.shrunbook.txtscenario.jsonserver/authorized_keys.sampleserver/sshd_config.sampletests/smoke.shREADME-EL.mdREADME.mdbin/break_glass_access.shclient/ssh_configdata/auth.log.sampledocs/de/README.mddocs/el/README.mddocs/en/README.mdrun.shrunbook.txtscenario.jsonserver/authorized_keys.sampleserver/sshd_config.sampletests/smoke.shREADME-EL.mdREADME.mdbin/incident_response_key_leak.shclient/ssh_configdata/auth.log.sampledocs/de/README.mddocs/el/README.mddocs/en/README.mdrun.shrunbook.txtscenario.jsonserver/authorized_keys.sampleserver/sshd_config.sampletests/smoke.shLearning material
The material retains its subject-specific structure. German and English versions are cross-linked, and diagrams are generated directly from the included Mermaid sources.
This document belongs to the SSH workshop and describes architecture as training material, reference documentation and review basis.
Open document ↗Read English · 61.1 KBThis document belongs to the SSH workshop and describes best-practices as training material, reference documentation and review basis.
Open document ↗Read English · 60.4 KBThis document belongs to the SSH workshop and describes commands as training material, reference documentation and review basis.
Open document ↗Read English · 60.7 KBThis document belongs to the SSH workshop and describes concepts as training material, reference documentation and review basis.
Open document ↗Read English · 69.9 KBThis curriculum structures an SSH workshop from the first safe login to advanced operations with bastion hosts, certificates, hardening and incident response.
Open document ↗Read English · 61.1 KBThis document belongs to the SSH workshop and describes diagrams as training material, reference documentation and review basis.
Open document ↗Read English · 61.1 KBThis document belongs to the SSH workshop and describes environment-cloud as training material, reference documentation and review basis.
Open document ↗Read English · 60.9 KBThis document belongs to the SSH workshop and describes environment-native-baremetal as training material, reference documentation and review basis.
Open document ↗Read English · 60.8 KBThis document belongs to the SSH workshop and describes environment-native-vm as training material, reference documentation and review basis.
Open document ↗Read English · 60.9 KBThis document belongs to the SSH workshop and describes environment-wsl as training material, reference documentation and review basis.
Open document ↗Read English · 60.9 KBThis document belongs to the SSH workshop and describes operations as training material, reference documentation and review basis.
Open document ↗Read English · 61.1 KBThis document belongs to the SSH workshop and describes security as training material, reference documentation and review basis.
Open document ↗Read English · 61.4 KBThis document belongs to the SSH workshop and describes troubleshooting as training material, reference documentation and review basis.
Open document ↗ReadThis level covers Protokollmodell, erster Login, Host Keys, Public Keys, Dateirechte und sichere Grundbefehle. You work with local test keys, sample configurations and evidence files. The goal is not only executing SSH access, but explai…
Open document ↗Read English · 77.6 KBThis level covers Client- und Serverkonfiguration, Agent, Debugging, Forwarding, SFTP und Auth-Fehler. You work with local test keys, sample configurations and evidence files. The goal is not only executing SSH access, but explaining tru…
Open document ↗Read English · 77.6 KBThis level covers Bastion Hosts, ProxyJump, Multiplexing, SSH-Zertifikate, Git/CI und Betriebsmodelle. You work with local test keys, sample configurations and evidence files. The goal is not only executing SSH access, but explaining tru…
Open document ↗Read English · 77.6 KBThis level covers Hardening, Algorithmuspflege, FIDO2, KRL, Forensik, Logging und Incident Response. You work with local test keys, sample configurations and evidence files. The goal is not only executing SSH access, but explaining trust…
Open document ↗ReadThese exercises deepen Protokollmodell, erster Login, Host Keys, Public Keys, Dateirechte und sichere Grundbefehle. Every task requires reproducible evidence instead of description only.
Open document ↗Read English · 66.0 KBThese exercises deepen Client- und Serverkonfiguration, Agent, Debugging, Forwarding, SFTP und Auth-Fehler. Every task requires reproducible evidence instead of description only.
Open document ↗Read English · 66.0 KBThese exercises deepen Bastion Hosts, ProxyJump, Multiplexing, SSH-Zertifikate, Git/CI und Betriebsmodelle. Every task requires reproducible evidence instead of description only.
Open document ↗Read English · 66.0 KBThese exercises deepen Hardening, Algorithmuspflege, FIDO2, KRL, Forensik, Logging und Incident Response. Every task requires reproducible evidence instead of description only.
Open document ↗ReadScope: Protokollmodell, erster Login, Host Keys, Public Keys, Dateirechte und sichere Grundbefehle.
Open document ↗Read English · 56.6 KBScope: Protokollmodell, erster Login, Host Keys, Public Keys, Dateirechte und sichere Grundbefehle.
Open document ↗Read English · 55.3 KBScope: Client- und Serverkonfiguration, Agent, Debugging, Forwarding, SFTP und Auth-Fehler.
Open document ↗Read English · 56.6 KBScope: Client- und Serverkonfiguration, Agent, Debugging, Forwarding, SFTP und Auth-Fehler.
Open document ↗Read English · 55.3 KBScope: Bastion Hosts, ProxyJump, Multiplexing, SSH-Zertifikate, Git/CI und Betriebsmodelle.
Open document ↗Read English · 56.6 KBScope: Bastion Hosts, ProxyJump, Multiplexing, SSH-Zertifikate, Git/CI und Betriebsmodelle.
Open document ↗Read English · 55.3 KBScope: Hardening, Algorithmuspflege, FIDO2, KRL, Forensik, Logging und Incident Response.
Open document ↗Read English · 56.6 KBScope: Hardening, Algorithmuspflege, FIDO2, KRL, Forensik, Logging und Incident Response.
Open document ↗Read English · 48.7 KBThis document does not invent an official OpenSSH or SSH core certificate. SSH skill is relevant in Linux, cloud, DevOps, SRE and security exams, but this workshop treats SSH as a practical core capability and not as a replacement for…
Open document ↗ReadPractice modules
The sequence remains unchanged: from the lab skeleton through technical foundations and operating models to final troubleshooting. The technical directory names are deliberately preserved.
This example is a controlled SSH workshop lab. It performs local OpenSSH checks only and does not connect to production systems.
Open document ↗Read English · 35.5 KBThis example is a controlled SSH lab. It contains OpenSSH configurations, test data, a small analysis script and a run.sh that creates local keys, fingerprints, certificates and evidence.
Open document ↗ReadThis example is a controlled SSH workshop lab. It performs local OpenSSH checks only and does not connect to production systems.
Open document ↗Read English · 35.7 KBThis example is a controlled SSH lab. It contains OpenSSH configurations, test data, a small analysis script and a run.sh that creates local keys, fingerprints, certificates and evidence.
Open document ↗ReadThis example is a controlled SSH workshop lab. It performs local OpenSSH checks only and does not connect to production systems.
Open document ↗Read English · 36.0 KBThis example is a controlled SSH lab. It contains OpenSSH configurations, test data, a small analysis script and a run.sh that creates local keys, fingerprints, certificates and evidence.
Open document ↗ReadThis example is a controlled SSH workshop lab. It performs local OpenSSH checks only and does not connect to production systems.
Open document ↗Read English · 35.7 KBThis example is a controlled SSH lab. It contains OpenSSH configurations, test data, a small analysis script and a run.sh that creates local keys, fingerprints, certificates and evidence.
Open document ↗ReadThis example is a controlled SSH workshop lab. It performs local OpenSSH checks only and does not connect to production systems.
Open document ↗Read English · 35.4 KBThis example is a controlled SSH lab. It contains OpenSSH configurations, test data, a small analysis script and a run.sh that creates local keys, fingerprints, certificates and evidence.
Open document ↗ReadThis example is a controlled SSH workshop lab. It performs local OpenSSH checks only and does not connect to production systems.
Open document ↗Read English · 35.7 KBThis example is a controlled SSH lab. It contains OpenSSH configurations, test data, a small analysis script and a run.sh that creates local keys, fingerprints, certificates and evidence.
Open document ↗ReadThis example is a controlled SSH workshop lab. It performs local OpenSSH checks only and does not connect to production systems.
Open document ↗Read English · 35.7 KBThis example is a controlled SSH lab. It contains OpenSSH configurations, test data, a small analysis script and a run.sh that creates local keys, fingerprints, certificates and evidence.
Open document ↗ReadThis example is a controlled SSH workshop lab. It performs local OpenSSH checks only and does not connect to production systems.
Open document ↗Read English · 35.4 KBThis example is a controlled SSH lab. It contains OpenSSH configurations, test data, a small analysis script and a run.sh that creates local keys, fingerprints, certificates and evidence.
Open document ↗ReadThis example is a controlled SSH workshop lab. It performs local OpenSSH checks only and does not connect to production systems.
Open document ↗Read English · 35.7 KBThis example is a controlled SSH lab. It contains OpenSSH configurations, test data, a small analysis script and a run.sh that creates local keys, fingerprints, certificates and evidence.
Open document ↗ReadThis example is a controlled SSH workshop lab. It performs local OpenSSH checks only and does not connect to production systems.
Open document ↗Read English · 35.5 KBThis example is a controlled SSH lab. It contains OpenSSH configurations, test data, a small analysis script and a run.sh that creates local keys, fingerprints, certificates and evidence.
Open document ↗ReadThis example is a controlled SSH workshop lab. It performs local OpenSSH checks only and does not connect to production systems.
Open document ↗Read English · 35.3 KBThis example is a controlled SSH lab. It contains OpenSSH configurations, test data, a small analysis script and a run.sh that creates local keys, fingerprints, certificates and evidence.
Open document ↗ReadThis example is a controlled SSH workshop lab. It performs local OpenSSH checks only and does not connect to production systems.
Open document ↗Read English · 35.2 KBThis example is a controlled SSH lab. It contains OpenSSH configurations, test data, a small analysis script and a run.sh that creates local keys, fingerprints, certificates and evidence.
Open document ↗ReadThis example is a controlled SSH workshop lab. It performs local OpenSSH checks only and does not connect to production systems.
Open document ↗Read English · 35.6 KBThis example is a controlled SSH lab. It contains OpenSSH configurations, test data, a small analysis script and a run.sh that creates local keys, fingerprints, certificates and evidence.
Open document ↗ReadThis example is a controlled SSH workshop lab. It performs local OpenSSH checks only and does not connect to production systems.
Open document ↗Read English · 35.3 KBThis example is a controlled SSH lab. It contains OpenSSH configurations, test data, a small analysis script and a run.sh that creates local keys, fingerprints, certificates and evidence.
Open document ↗ReadThis example is a controlled SSH workshop lab. It performs local OpenSSH checks only and does not connect to production systems.
Open document ↗Read English · 35.1 KBThis example is a controlled SSH lab. It contains OpenSSH configurations, test data, a small analysis script and a run.sh that creates local keys, fingerprints, certificates and evidence.
Open document ↗ReadThis example is a controlled SSH workshop lab. It performs local OpenSSH checks only and does not connect to production systems.
Open document ↗Read English · 35.3 KBThis example is a controlled SSH lab. It contains OpenSSH configurations, test data, a small analysis script and a run.sh that creates local keys, fingerprints, certificates and evidence.
Open document ↗ReadThis example is a controlled SSH workshop lab. It performs local OpenSSH checks only and does not connect to production systems.
Open document ↗Read English · 35.4 KBThis example is a controlled SSH lab. It contains OpenSSH configurations, test data, a small analysis script and a run.sh that creates local keys, fingerprints, certificates and evidence.
Open document ↗ReadThis example is a controlled SSH workshop lab. It performs local OpenSSH checks only and does not connect to production systems.
Open document ↗Read English · 35.5 KBThis example is a controlled SSH lab. It contains OpenSSH configurations, test data, a small analysis script and a run.sh that creates local keys, fingerprints, certificates and evidence.
Open document ↗ReadThis example is a controlled SSH workshop lab. It performs local OpenSSH checks only and does not connect to production systems.
Open document ↗Read English · 35.7 KBThis example is a controlled SSH lab. It contains OpenSSH configurations, test data, a small analysis script and a run.sh that creates local keys, fingerprints, certificates and evidence.
Open document ↗ReadThis example is a controlled SSH workshop lab. It performs local OpenSSH checks only and does not connect to production systems.
Open document ↗Read English · 35.6 KBThis example is a controlled SSH lab. It contains OpenSSH configurations, test data, a small analysis script and a run.sh that creates local keys, fingerprints, certificates and evidence.
Open document ↗ReadThis example is a controlled SSH workshop lab. It performs local OpenSSH checks only and does not connect to production systems.
Open document ↗Read English · 35.3 KBThis example is a controlled SSH lab. It contains OpenSSH configurations, test data, a small analysis script and a run.sh that creates local keys, fingerprints, certificates and evidence.
Open document ↗ReadThis example is a controlled SSH workshop lab. It performs local OpenSSH checks only and does not connect to production systems.
Open document ↗Read English · 35.4 KBThis example is a controlled SSH lab. It contains OpenSSH configurations, test data, a small analysis script and a run.sh that creates local keys, fingerprints, certificates and evidence.
Open document ↗ReadThis example is a controlled SSH workshop lab. It performs local OpenSSH checks only and does not connect to production systems.
Open document ↗Read English · 35.3 KBThis example is a controlled SSH lab. It contains OpenSSH configurations, test data, a small analysis script and a run.sh that creates local keys, fingerprints, certificates and evidence.
Open document ↗ReadThis example is a controlled SSH workshop lab. It performs local OpenSSH checks only and does not connect to production systems.
Open document ↗Read English · 35.7 KBThis example is a controlled SSH lab. It contains OpenSSH configurations, test data, a small analysis script and a run.sh that creates local keys, fingerprints, certificates and evidence.
Open document ↗ReadThis example is a controlled SSH workshop lab. It performs local OpenSSH checks only and does not connect to production systems.
Open document ↗Read English · 35.4 KBThis example is a controlled SSH lab. It contains OpenSSH configurations, test data, a small analysis script and a run.sh that creates local keys, fingerprints, certificates and evidence.
Open document ↗ReadThis example is a controlled SSH workshop lab. It performs local OpenSSH checks only and does not connect to production systems.
Open document ↗Read English · 35.3 KBThis example is a controlled SSH lab. It contains OpenSSH configurations, test data, a small analysis script and a run.sh that creates local keys, fingerprints, certificates and evidence.
Open document ↗ReadThis example is a controlled SSH workshop lab. It performs local OpenSSH checks only and does not connect to production systems.
Open document ↗Read English · 35.3 KBThis example is a controlled SSH lab. It contains OpenSSH configurations, test data, a small analysis script and a run.sh that creates local keys, fingerprints, certificates and evidence.
Open document ↗ReadThis example is a controlled SSH workshop lab. It performs local OpenSSH checks only and does not connect to production systems.
Open document ↗Read English · 35.4 KBThis example is a controlled SSH lab. It contains OpenSSH configurations, test data, a small analysis script and a run.sh that creates local keys, fingerprints, certificates and evidence.
Open document ↗ReadThis example is a controlled SSH workshop lab. It performs local OpenSSH checks only and does not connect to production systems.
Open document ↗Read English · 35.4 KBThis example is a controlled SSH lab. It contains OpenSSH configurations, test data, a small analysis script and a run.sh that creates local keys, fingerprints, certificates and evidence.
Open document ↗ReadThis example is a controlled SSH workshop lab. It performs local OpenSSH checks only and does not connect to production systems.
Open document ↗Read English · 35.3 KBThis example is a controlled SSH lab. It contains OpenSSH configurations, test data, a small analysis script and a run.sh that creates local keys, fingerprints, certificates and evidence.
Open document ↗ReadThis example is a controlled SSH workshop lab. It performs local OpenSSH checks only and does not connect to production systems.
Open document ↗Read English · 35.5 KBThis example is a controlled SSH lab. It contains OpenSSH configurations, test data, a small analysis script and a run.sh that creates local keys, fingerprints, certificates and evidence.
Open document ↗ReadSSH · Orthevs Academy
The sequence remains unchanged: from the lab skeleton through technical foundations and operating models to final troubleshooting. The technical directory names are deliberately preserved.
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