There is so much information out there that it is impossible to remember everything you have read or came across. That’s why bookmarking is so important; hundreds of them in the form of cheat sheets, quick reference cards, one-pagers, pensieves, or anything you want to call them. There are some really smart people out there who have put together some fantastic resources to help you quickly find what you need.
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When you only need to know how to do something quickly – not the reasoning behind it or the theory – and you don’t have time to read a 2,000-word whitepaper on how to put together a one-line command, you need a cheat sheet.
That’s why we’ve created this compendium of some of the best of these resources for you to use, save, or bookmark. Many are in PDF format, some are text, and a few are online only, but they are chock-full of great information.
PowerShell
PowerShell is the de facto administrative interface for Microsoft operating systems and applications. Even when you are running in a GUI, there’s PowerShell performing all the work in the background, so knowing PowerShell is vital. Cheat sheets abound online. Here’s a set of the best of the best.
Windows PowerShell 4.0 and Other Quick Reference Guides
http://www.microsoft.com/en-us/download/details.aspx?id=42554
Windows PowerShell 3.0 and Server Manager Quick Reference Guides
http://www.microsoft.com/en-us/download/details.aspx?id=30002
Aptillon Windows PowerShell Cheat Sheet
http://blog.falchionconsulting.com/blog/PowerShellCheatSheet.pdf
Windows PowerShell Quick Reference
http://www.microsoft.com/en-us/download/details.aspx?id=7097
Windows PowerShell 2 For Dummies
http://www.dummies.com/how-to/content/windows-powershell-2-for-dummies-cheat-sheet.html
PowerShell Quick Reference v3.03 by Dimitri Koens
http://www.dimensionit.tv/wp-content/uploads/2013/02/PowerShell-quick-reference-Dimension
Windows PowerShell 3.0 Language Quick Reference
PowerShell Integrated Scripting Environment 3.0
Windows PowerShell 3.0 Examples
Powershell: Regex Cheat Sheet
http://www.addedbytes.com/download/regular-expressions-cheat-sheet-v2/pdf/
PowerShell for Exchange 2010–Cheat Sheet
http://blogs.technet.com/b/matabra/archive/2011/10/21/powershell-for-exchange-2010
Exchange Shell Quick Reference (2007)
http://exchangepedia.com/reference/ExQuick.html
In addition, there are 11 great monthly newsletters from PowerShell.com that, while not exactly in “cheat sheet” format, are well worth the download. See the complete collection at http://powershell.com/cs/media/28/default.aspx
Active Directory
At the heart of every enterprise is Active Directory. Being able to manage it from the command line makes scripting and automation much more direct and efficient.
Active Directory PowerShell Quick Reference
http://www.jonathanmedd.net/wp-content/uploads/2009/10/ADPowerShell_QuickReference.pdf
Brakertech Active Directory Cheat Sheet
http://brakertech.com/one-liners/active-directory-cheat-sheet/
Microsoft Active Directory Ports cheat sheet
http://www.adminnation.com/wp-content/uploads/2011/08/Microsoft-Active-Directory-Ports.pdf
Windows Logging Cheat Sheet
http://sniperforensicstoolkit.squarespace.com/storage/logging/Windows%20Logging%20Cheat%
Active Directory Auditing
http://www.netwrix.com/download/documents/Native_AD_Auditing_Cheat_Sheet.pdf
Other Microsoft cheat sheets
Here’s a mixed bag of other cheat sheets and references for various Microsoft products, including user and server applications.
SharePoint 2013 Cheat Sheet
http://content.customguide.com/pdf/qr2/sharepoint-2013-quick-reference.pdf
SharePoint 2010 Cheat Sheet
http://www.customguide.com/cheat_sheets/sharepoint-2010-cheat-sheet.pdf
Office 365 Cheat Sheet for users
http://www.customguide.com/cheat_sheets/office-365-cheat-sheet.pdf
Access 2013
http://www.customguide.com/cheat_sheets/access-2013-cheat-sheet.pdf
Excel 2013
http://www.customguide.com/cheat_sheets/excel-2013-cheat-sheet.pdf
Lync 2013
http://www.customguide.com/cheat_sheets/lync-2013-cheat-sheet.pdf
Outlook 2013
http://www.customguide.com/cheat_sheets/outlook-2013-cheat-sheet.pdf
PowerPoint 2013
http://www.customguide.com/cheat_sheets/powerpoint-2013-cheat-sheet.pdf
Project 2013
http://www.customguide.com/cheat_sheets/project-2013-cheat-sheet.pdf
Word 2013
http://www.customguide.com/cheat_sheets/word-2013-cheat-sheet.pdf
Access 2010
http://www.customguide.com/cheat_sheets/access-2010-cheat-sheet.pdf
Excel 2010
http://www.customguide.com/cheat_sheets/excel-2010-cheat-sheet.pdf
Outlook 2010
http://www.customguide.com/cheat_sheets/outlook-2010-cheat-sheet.pdf
PowerPoint 2010
http://www.customguide.com/cheat_sheets/powerpoint-2010-cheat-sheet.pdf
Project 2010
http://www.customguide.com/cheat_sheets/project-2010-cheat-sheet.pdf
Word 2010
http://www.customguide.com/cheat_sheets/word-2010-cheat-sheet.pdf
Windows 8
http://www.customguide.com/cheat_sheets/windows-8-cheat-sheet.pdf
Windows 7
http://www.customguide.com/cheat_sheets/windows-7-cheat-sheet.pdf
Windows Server 2012 Windows PowerShell Web Access
Windows command line reference
SQL Server Cheat Sheet
http://www.addedbytes.com/download/sql-server-cheat-sheet-v1/pdf/
SQL Data Types and Conversion, Functions, and Creation
http://www.addedbytes.com/download/sql-server-cheat-sheet-v1/pdf/
Apple cheat sheets
Cheat sheets do not only exist for Microsoft products, but there are a handful for Apple.
Mac OSX
http://www.customguide.com/cheat_sheets/mac-os-lion-cheat-sheet.pdf
Excel 2011
http://www.customguide.com/cheat_sheets/excel-2011-cheat-sheet.pdf
Outlook 2011
http://www.customguide.com/cheat_sheets/outlook-2011-cheat-sheet.pdf
PowerPoint 2011
http://www.customguide.com/cheat_sheets/powerpoint-2011-cheat-sheet.pdf
Word 2011
http://www.customguide.com/cheat_sheets/word-2011-cheat-sheet.pdf
iPad Cheat Sheet
http://www.customguide.com/cheat_sheets/ipad-ios7-cheat-sheet.pdf
Linux and Unix
Linux and Unix also have a collection of cheat sheets online.
VI/VIM Graphical Cheat Sheet
http://locobox.googlepages.com/vi-vim-cheat-sheet-qwerty.pdf
OpenSSH Quick Reference
http://www.cheat-sheets.org/saved-copy/OpenSSH_quickref.pdf
Rosetta Stone for UNIX
http://bhami.com/unix-rosetta.pdf
AWK Cheat Sheet
http://www.catonmat.net/download/awk.cheat.sheet.pdf
Ed Unix Text Editor Cheat Sheet
http://www.catonmat.net/download/ed.text.editor.cheat.sheet.pdf
Unix Toolbox
http://cb.vu/unixtoolbox.xhtml
CHMOD Chart
http://www.draac.com/chmodchart.html
Networking
Here’s a short list for networking engineers and sys admins. PacketLife has more than a dozen all on one page.
Protocol encapsulation chart from Wildpackets
http://users.lmi.net/canepa/subdir/encasulation_chart.pdf
PacketLife.net’s huge collection of protocol and networking cheat sheets
http://packetlife.net/library/cheat-sheets/
NMAP Cheat Sheet
http://www.cheat-sheets.org/saved-copy/Nmap5.cheatsheet.eng.v1.pdf
SANS Institute TCP/IP Reference
http://www.sans.org/security-resources/tcpip.pdf
Web
And since most of us have to do some web work from time to time, here are some cheat sheets for those of us who are not devs, but still have to bang out some limited code or like to customize our blogs.
HTML Cheat Sheet
http://www.psacake.com/web/dy.asp
HTML / XHTML Quick Reference
http://www.cheat-sheets.org/saved-copy/html1_quickref.pdf
HTML Codes Cheat Sheet
http://www.killersites.com/HTML_CODES/index.php
HTML Color Codes
http://www.killersites.com/HTML_COLOR_CODES/ColorWheel.htm
WordPress Theme Cheat Sheet
http://www.cheat-sheets.org/saved-copy/wptcs.png
WordPress Helper Sheet
http://www.cheat-sheets.org/saved-copy/wp-help-sheet.txt
HTTP/1.1 Status Codes
http://www.cheat-sheets.org/saved-copy/http-response-codes-1.pdf
HTML Cheat Sheet
http://www.addedbytes.com/download/html-cheat-sheet-v1/pdf/
HTML Character Entities Cheat Sheet
http://www.cheatography.com/davechild/cheat-sheets/html-character-entities/
RGB Hex Colour Chart
http://www.addedbytes.com/download/rgb-hex-cheat-sheet-v1/pdf/
JavaScript Cheat Sheet
http://www.addedbytes.com/download/javascript-cheat-sheet-v1/pdf/
VMware
If you use VMware for virtualization, there are some pretty handy references as well.
PowerCLI Quick Reference
http://virtu-al.net/Downloads/PowerCLIQuickReference.pdf
vSphere 5.0 vReference Card
http://www.vreference.com/public/vReference-vSphere-5.0-card-1.0.3-Full-Page.pdf
vSphere 4.1 vReference Card
http://www.vreference.com/public/vReference-vSphere4card2.3.2.pdf
esxtop & vscsiStats creditcard sized reference
http://www.vreference.com/public/vReference-esxtop1.2.pdf
ESX3 vmreference card
http://www.vreference.com/public/vmreferenceVI3card1.3for3.5U3.pdf
Just a few more things
You will need a login but Dzone has a huge collection of cheat sheets for sys admins. Certainly worth exploring if you want to sign up.
Expert cheat sheets and tutorial guides for developers
With all the great cheat sheets posted online, this list is certainly not exhaustive. Do you have any favorites? Leave a comment with a link below and let us know what your go-to resources are.
For more cheet sheets for sys admins check out: http://www.gegeek.com/
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