A list of the resources I used as a prepared for the PWK course
This are the blogs I have found that have given me a good direction to start as I prepared for the course
https://www.hacksplaining.com/
http://www.abatchy.com/search/label/OSCP%20Prep
http://www.techexams.net/forums/security-certifications/113355-list-recent-oscp-threads.html
http://www.jasonbernier.com/oscp-review/
https://localhost.exposed/path-to-oscp/
https://pinboard.in/u:unfo/t:oscp
these are the resources I used to get more comfortable with linux, scripting, TCP/IP, etc. I recommend starting with these especially if you dont have much/any experience
https://pentesterlab.com/bootcamp
http://www.penguintutor.com/linux/basic-network-reference
although it has been said that Metasploit use is limited during the exam, Offensive Security recommends getting more familiar with Metasploit. I have been going through the metasploit unleashed course its really good info, i would be suprised if I dont have to come back to this repeatedly
https://www.offensive-security.com/metasploit-unleashed/
https://sploitfun.wordpress.com/2015/06/26/linux-x86-exploit-development-tutorial-series/
https://blog.g0tmi1k.com/2011/08/basic-linux-privilege-escalation/
https://danielmiessler.com/study/tcpdump/
https://www.sans.org/reading-room/whitepapers/threats/buffer-overflows-dummies-481
https://www.exploit-db.com/docs/28475.pdf
https://hackercool.com/2016/07/smb-enumeration-with-kali-linux-enum4linuxacccheck-smbmap/
http://0daysecurity.com/penetration-testing/enumeration.html
https://www.sans.org/security-resources/sec560/netcat_cheat_sheet_v1.pdf
https://highon.coffee/blog/nmap-cheat-sheet/
http://www.cheat-sheets.org/saved-copy/Notepad++_Cheat_Sheet.pdf
http://www.isical.ac.in/~pdslab/2016/lectures/bash_cheat_sheet.pdf
http://pentestmonkey.net/cheat-sheet/shells/reverse-shell-cheat-sheet
https://www.sans.org/security-resources/GoogleCheatSheet.pdf
https://www.tunnelsup.com/python-cheat-sheet/
https://www.tunnelsup.com/metasploit-cheat-sheet/
http://resources.infosecinstitute.com/icmp-reverse-shell/#gref
https://vim.rtorr.com/ - Vim