# Configuration, Debug and diagnostics cheat sheets


## Network and Security vendors (Fortinet, Cisco, Rad, HP/Aruba)

[Fortigate debug and diagnose commands complete cheat sheet](Fortigate-debug-diagnose-complete-cheat-sheet.adoc) | [PDF](Fortigate-debug-diagnose-complete-cheat-sheet.pdf)

[Cisco Nexus 9000 9k debug and diagnostic commands cheat sheet](Cisco-Nexus-9000-9k-debug-and-diagnostic-commands-cheat-sheet.adoc) | [PDF](Cisco-Nexus-9000-9k-debug-and-diagnostic-commands-cheat-sheet.pdf)

[Cisco CUCM/Unity/Presence useful CLI commands cheat sheets](Cisco-CUCM-CLI-useful-commands-cheat-sheet.adoc) | [PDF](Cisco-CUCM-CLI-useful-commands-cheat-sheet.pdf)

[RAD ETX 203, 205, 220 debug and information commands](RAD-ETX-203-205-220-debug-and-information-commands-cheat-sheet.adoc) | [PDF](RAD-ETX-203-205-220-debug-and-information-commands-cheat-sheet.pdf)

[MRV Optiswitch OS904 OS906 OS912 debug and diagnostic commands](MRV-Optiswitch-OS904-OS906-OS912-debug-and-diagnostic-commands.adoc) | [PDF](MRV-Optiswitch-OS904-OS906-OS912-debug-and-diagnostic-commands.pdf)

[Aruba and HP switches debug and diagnostics commands](Aruba-HP-switches-debug-and-diagnostics-commands-cheat-sheet.adoc) | [PDF](Aruba-HP-switches-debug-and-diagnostics-commands-cheat-sheet.pdf)


## Linux, FreeBSD, OpenBSD, and Open Source Tools

[Linux and PF BSD firewalls cheat sheet](Linux-and-BSD-firewalls-cheat-sheet.adoc) | [PDF](Linux-and-BSD-firewalls-cheat-sheet.pdf)

[Git and github.com commands cheat sheet](git-and-github-cheat-sheet.adoc) | [PDF](git-and-github-cheat-sheet.pdf)

[GNU screen terminal multiplexor cheat sheet](gnu-screen-cheat-sheet.adoc) | [PDF](gnu-screen-cheat-sheet.pdf)


## Windows software and utilities


[FAR file manager cheat sheet of keyboard shortcuts](FAR-manager-cheat-sheet-of-keyboard-shortcuts.adoc) | [PDF](FAR-manager-cheat-sheet-of-keyboard-shortcuts.pdf)