| /r/ITCareerQuestions Wiki |
| /r/CSCareerQuestions Wiki |
| /r/Sysadmin Wiki |
| /r/Networking Wiki |
| /r/NetSec Wiki |
| /r/NetSecStudents Wiki |
|
| Certifications |
| IT Certification Road Map |
|
| Cisco Training & certification Info Center |
| Juniper Networks Certification Programs |
| Microsoft Learning Info Center |
| Red Hat Certification Info Center |
| VMware Certification Info Center |
|
| Microsoft |
|
| Microsoft Learning Portal - Powered by EdX |
| Microsoft Virtual Academy |
| Microsoft MSDN Product Evaluation Center – Free Downloads |
| Microsoft TechNet Product Evaluation Center – More Free Downloads |
| Microsoft Azure Cloud Services Free Trial Center |
| Microsoft Training Info Center |
| Microsoft Ignite Training Convention Video Center |
| Microsoft MSDN Video Training Portal |
|
| Cisco / Networking |
|
| Stanford University Free Intro to Networking Online Course |
| Cisco Learning Center - How to Study for CCNA for Free |
| Professor Messer’s CompTIA Network+ Training Videos |
| Cybrary Free CCNA Training Videos |
| Cisco VIRL - Virtual Router & Firewall Training Tool |
| GNS3 Vault - Free Practice & Training Labs for Cisco Equipment |
| Cisco Live Training Convention Video Portal - Free Registration Required |
| Cisco Design Zone - Best Practices |
| PacketBomb - WireShark Training Center |
| NetCraftsmen - Network Consultants Blog |
| PacketPushers News & Podcasts |
| IOSHints - Ivan Pepelnjak’s Blog/site |
| Cumulus Networks SDN Technical Videos |
| SDX Central - SDN Resources |
|
| Information/Computer/Network Security |
|
| SANS Reading Room |
| SANS Certifications |
| BlackHat Conferences @ YouTube |
| DEFCON Conferences @ YouTube |
| RSA Conference @ YouTube |
| Carnegie Mellon SoftEng Institute @ YouTube |
| CMU’s Plaid Parliament of Pwning Competitive Hacking Team Blog |
| Cybrary - Open Source Security Learning |
| Krebs on Security blog |
| Google’s Security Blog |
| US CERT - Computer Emergency Response Team blog |
| ISC^2 - CISSP - Certified Information Systems Security Professional |
|
| Linux Resources |
|
| Linux Foundation - Intro to Linux for Free |
| Linux Foundation - Online Course Catalog - some free some paid |
| DigitalOcean Linux Tutorials |
| Docker Self-Paced Training |
| USENIX Site Reliability Enginering Convention 2014 Presentations - Free |
| USENIX Site Reliability Enginering Convention 2015 Presentations - Free |
| USENIX Large Installation System Administration Conference 2014 Presentations - Free |
| USENIX Large Installation System Administration Conference 2015 Presentations - Free |
| PuppetConf Convention Videos 2014 - Free Registration Required |
| PuppetConf Convention Videos 2015 - Free Registration Required |
| ChefConf Convention Videos 2015 |
| Ansible Video Resources - Including AnsibleFest Convention Videos |
| SaltStack Video Resources |
|
| VMware Resources |
|
| VMWorld Convention Session Playback |
| VMWare Hands-On-Labs Training Labs |
|
| The Best of Cisco Live |
|
| ^(Cisco Live is Cisco’s annual Technology expo & training convention.) |
| ^(All of these presentations are available for free here: http://www.ciscolive.com/online - Many with video presentations of the lectures.) |
|
| BRKARC-3001 - Cisco Integrated Services Router G2 - Architectural Overview and Use Cases (2013) |
| BRKARC-3001 - Cisco Integrated Services Router - Architectural Overview and Use Cases (2016) |
| BRKARC-2001 - Cisco ASR1000 Series Routers: System & Solution Architectures (2016) |
| BRKCRS-3147 - Advanced Troubleshooting of the ASR1K and ISR (IOS-XE) made easy (2016) |
| BRKARC-1009 - Cisco Catalyst 2960-X Series Switching Architecture (2016) |
| BRKARC-3438 - Cisco Catalyst 3850 and 3650 Series Switching Architecture (2016 |
| BRKCRS-3146 - Troubleshooting Cisco Catalyst 3650 / 3850 Series Switches (2016) |
| BRKARC-3445 - Cisco Catalyst 4500E Switch Architecture (2016) |
| BRKCRS-3142 - Troubleshooting Cisco Catalyst 4500 Series Switches (2015) |
| BRKARC-3465 - Cisco Catalyst 6800 Switch Architectures (2016) |
| BRKCRS-3143 - Troubleshooting Cisco Catalyst 6500 / 6800 Series Switches (2015) |
| BRKARC-2222 - Cisco Nexus 9000 Architecture (2015) |
| BRKDCT-3101 - Nexus 9000 (Standalone) Architecture Brief and Troubleshooting (2016) |
|
| BRKCRS-1500 - Wired LAN Deployment Using the Cisco Validated Design for Campus (2016) |
| BRKCRS-2031 - Enterprise Campus Design: Multilayer Architectures and Design Principles (2016) |
| BRKCRS-2501 - Campus QoS Design-Simplified (2016) |
| Cisco Design Zone: Cisco Validated Designs for Campus Networks |
| Cisco Design Zone: Cisco Validated Designs for Branch Office Networks |
|
| BRKDCT-2218 - Data Center Design for the Midsize Enterprise (2016) |
| BRKSAN-2449 - Storage Area Network Extension Design and Operation (2015) |
| BRKSAN-2883 - Advanced Storage Area Network Design (2016) |
|