FortiGate CLI essentials
The everyday commands for finding your way around a FortiGate.
IT, cybersecurity and network cheat sheets
Find practical Microsoft, Fortinet, Cisco, Juniper, Sophos, Ubiquiti, HPE and Dell references.
Cisco IOS essentials
Get oriented, inspect interfaces, and understand your device.
FortiGate routing & ARP
Follow a packet from its next hop to the routing table.
Cisco interface diagnostics
Find link failures and read the counters that matter.
FortiGate VPN health
Inspect IPsec tunnel health and security associations.
Cisco VLANs & trunks
Understand access VLANs, tagged links, and Layer 2 boundaries.
FortiGate HA & system health
Check cluster membership and baseline appliance health.
Cisco routing basics
Read connected, static, and learned routes with confidence.
FortiGate session inspection
Connect policy decisions with live traffic sessions.
Cisco neighbor discovery
Map the devices directly connected to your switch.
Linux network essentials
A small toolkit for inspecting a Linux host’s network.
Cloud network fundamentals
Connect subnets, routes, security rules, and DNS into one model.
Windows network troubleshooting
Inspect addressing, DNS resolution and TCP reachability with PowerShell.
Windows services and event logs
Build a focused picture of service state and recent system errors.
Active Directory users and groups
Inspect domain identity, user status and group membership using RSAT.
Active Directory replication health
Compare domain-controller replication and locate recent failures.
Microsoft Graph connection and user lookup
Connect to the correct tenant and inspect directory user records.
Microsoft Graph query and paging basics
Find users with server-side filters and handle complete result sets.
Entra ID sign-in investigation
Review recent sign-ins and distinguish authentication from policy failures.
Entra ID devices and tenant overview
Inspect tenant context, device identities and join state without changing access.
Exchange Online mailbox inspection
Connect to Exchange Online and review mailbox identity and quotas.
Exchange Online message tracing
Trace a recent sender and examine the events for a specific message.
Azure subscription and resource inventory
Check CLI context and inventory resources in the intended subscription.
Azure virtual network inspection
Inspect virtual networks, subnets and security group inventory.
Sophos Firewall CLI health checks
Gather appliance version, uptime and resource diagnostics in Device Console.
Sophos Firewall traffic investigation
Use log filters to connect a connection failure with firewall decisions.
Juniper Junos CLI essentials
Get oriented in Junos operational mode and inspect the chassis.
Juniper routes and neighbor checks
Inspect routes, ARP entries and discovered neighbors in Junos.
Ubiquiti UniFi device connectivity
Follow adoption and management connectivity through the UniFi console.
Ubiquiti UniFi switch port checks
Inspect switch port state, VLAN assignment and PoE budget.
HPE ProLiant iLO health overview
Read ProLiant health and hardware events through iLO.
HPE Aruba CX switching essentials
Inspect AOS-CX switch interfaces and VLANs with platform-specific commands.
Dell PowerEdge iDRAC health checks
Read PowerEdge identity, power state and hardware event history.
Dell PowerEdge hardware inventory
Capture firmware and hardware inventory before planning maintenance.
Dell Data Domain capacity and health
Inspect filesystem state, capacity and active protection-appliance alerts.
Dell Data Domain replication checks
Inspect replication contexts and distinguish idle replication from a stalled copy.
Kali Nmap discovery essentials
Discover a lab host’s exposed TCP services and interpret scan states.
Kali Wireshark packet analysis
Use display filters to inspect DNS, TCP handshakes and one lab conversation.
Kali Burp Suite proxy basics
Inspect requests from a local training application with Burp’s built-in browser.