Cheat Sheets
Important commands for Windows, Linux and Cisco devices.
- Windows networking and security commandsThe important Windows commands for checking IP settings, testing connectivity, resolving names, viewing connections, managing the firewall and checking users and updates, from Command Prompt and PowerShell. 6 min · Beginner
- Linux networking and security commandsThe important Linux commands for interfaces and addresses, connectivity tests, DNS, open ports and sockets, firewalls (ufw, firewalld, nftables), SSH and logs. 6 min · Beginner
- Cisco switch commands: VLANs, trunks and port securityThe important Cisco IOS switch commands for basic setup, secure management with SSH, VLANs and trunks, port security, DHCP snooping and dynamic ARP inspection, and verification. 8 min · Intermediate
- Cisco router commands: interfaces, routing, ACLs and NATThe important Cisco IOS router commands for interfaces, static and OSPF routing, inter-VLAN routing, standard and extended ACLs, NAT/PAT, DHCP, and management services such as NTP and syslog. 8 min · Intermediate
- Cisco ASA firewall commands: interfaces, NAT, ACLs and VPNThe important Cisco ASA commands for interfaces and security levels, management access, object NAT, access rules, site-to-site IPsec VPN and verification. 8 min · Advanced
- Essential network commands every beginner should knowThe handful of commands that solve most network problems (ping, ipconfig, tracert, nslookup, netstat and more), with Windows and Linux versions. 6 min · Basics