.NET: https://dzone.com/refcardz/coredotnet
Access: https://www.masstechnology.com/media/4225/ microsoft_access_cheatsheet.pdf
Apache: http://www.petefreitag.com/cheatsheets/apache/
Awk, Nawk, GNU Awk:
BGP: http://packetlife.net/media/library/1/BGP.pdf
C:
http://claymore.engineer.gvsu.edu/~steriana/226/C.CheatSheet.pdf
Command lines:
http://www.commandlinefu.com/commands/browse
Computer hardware:
http://geekolog
ie.com/ima
g
e.
php?path=/2009/07/22/com
puter-
CSS:
Excel:
File extensions:
First Hop Redundancy:
http://packetlife.net/media/library/3/First_Hop_Redundancy.pdf
Ghantoos Memo: http://ghantoos.org/memo/
Gmail:
Gnome keyboard shortcuts:
https://wiki.gnome.org/Design/OS/KeyboardShortcuts
HTML4:
IEEE 802.11 WLAN:
http://packetlife.net/media/library/4/IEEE_802.11_WLAN.pdf
IPsec: http://packetlife.net/media/library/6/IPsec.pdf
IPv4 Multicast:
http://packetlife.net/media/library/7/IPv4_Multicast.pdf
Linux command line:
Linux Find command:
Linux keyboard shortcuts:
Firefox shortcuts:
http://accessfirefox.org/Firefox_Keyboard_and_Mouse_Shortcuts.html
Mac OS X shortcuts:
Markdown: http://packetlife.net/media/library/16/Markdown.pdf
MediaWiki:
Netcat:
http://www.sans.org/security-resources/sec560/netcat_cheat_sheet_v1.pdf
Nmap:
Objective C:
OpenSSH:
http://wiki.samat.org/CheatSheet/OpenSSL
OpenSSL:
Optical Carrier Levels (OCx):
http://searchnetworking.techtarget.com/definition/Optical-
Oracle DBA:
http://cheatsheet4oracledba.blogspot.co.uk/
OSPF:
http://packetlife.net/media/library/10/OSPF.pdf
Outlook:
Perl: http://juerd.nl/site.plp/perlcheat
Photoshop (2015):
PHP:
http://www.blueshoes.org/en/developer/php_cheat_sheet
Physical terminations:
http://packetlife.net/media/library/22/physical_terminations.pdf
Point-to-point
PostgreSQL: http://www.petefreitag.com/cheatsheets/postgresql/
PowerPoint:
PowerShell (basic):
PowerShell (competent):
PowerShell Active Directory:
PowerShell modules:
http://social.technet.microsoft.com/wiki/contents/articles/
Python:
http://www.cogsci.rpi.edu/~destem/gamedev/python.pdf
RAID:
https://www.aja.com/pdf/support/RAID_Cheat_Sheet.pdf
Regex:
REST security:
https://www.owasp.org/index.php/REST_Security_Cheat_Sheet
Reverse Shell:
RGB Hex colour chart:
RIP: http://packetlife.net/media/library/35/RIP.pdf
rpm:
Ruby:
http://www.digilife.be/quickreferences/QRC/Ruby%20Language%20QuickRef.pdf
RubyOnRails:
http://www.blainekendall.com/index.php/rubyonrailscheatsheet/
Security
Security incident survey:
Sharepoint:
Spanning Tree:
http://packetlife.net/media/library/11/Spanning_Tree.pdf
SQL Injection prevention:
https://www.owasp.org/index.php/ SQL_Injection_Prevention_Cheat_Sheet
SQL Server:
SQL:
Subnet: http://www.aelius.com/njh/subnet_sheet.html
Subversion:
Symfony2:
http://www.symfony2cheatsheet.com/
TCP/IP and tcpdump:
Terminal cheatsheet for Mac (basic):
Ubuntu:
VI keyboard shortcuts:
VI3:
Vim commands:
VLANs:
http://packetlife.net/media/library/20/VLANs.pdf
Network Address Translation (NAT):
http://packetlife.net/media/library/32/NAT.pdf
VOIP:
http://packetlife.net/media/library/34/VOIP_Basics.pdf
Windows (error messages):
http://searchenterprisedesktop.techtarget.com/definition/
Windows keyboard shortcuts:
http://www.intelliadmin.com/index.php/2006/04/windows-
Word: