A collection of resources for learning networking, security, system administration, and preparing for IT roles like Network Administrator, System Engineer, and more.

Home Networking Setup

• TP Link TL-SG108E - 8 Port Managed Network Switch - https://amzn.in/d/cpEYXrA
• Grandstream GWN7801 Managed Network Switch or Grandstream GWN7801P Managed Network PoE Switch
• DLink AX1500 - https://amzn.in/d/dyfp5BM
• D-Link Lan I/O Network Keystone Jack, Gang Box, Single Port Face Plate - https://amzn.in/d/5Irbb6L
• FEDUS Cat6 Ethernet Cable, 1 Meter - https://amzn.in/d/deyBm30
• RJ45 Crimp Connectors Traditional - https://www.amazon.in/dp/B0B4H1RGVF
• RJ45 Crimp Connectors Passthrough - https://amzn.in/d/goXTZBs
• Switch Manager Box - https://amzn.in/d/2kDAjIM
• Networking Tools - https://www.vcelink.com/
• Home Security Firewall - https://firewalla.com/collections/all/firewalla
• DIY Firewall / Mini Server - https://amzn.in/d/9j9lnCQ ( Sophos as Firewall and HyperV for VMs )

Learn Networking, Security and System Administration

• Computer Networking Fundamentals -https://www.youtube.com/watch?v=k9ZigsW9il0&list=WL
• SFP Connections in Minutes (SFP+, SFP28, SFP56)- https://www.youtube.com/watch?v=kIoR8DGr1AU
• Basics of Ethernet Cable Coding -https://incentre.net/ethernet-cable-color-coding-diagram
• Wire Up Ethernet Cable to Connector -https://youtu.be/NWhoJp8UQpo?feature=shared
• Share a USB Printer In Network - https://youtu.be/_s3yNROUmPk
• Advanced Smart Home Security - VLANs and Firewalls - https://www.youtube.com/watch?v=eqr-vTC7EVk
• Configure VLANs effectively - https://youtu.be/72037i0pkMA
• Simplify VLAN concepts - https://youtu.be/JszGeQPTo4w
• pfSense: Open Source Firewall and Routing System -https://www.youtube.com/watch?v=DGdfHp6uAGg
• Home Lab Network Security - https://www.youtube.com/watch?v=YMHN6Tnah1w
• Creating a File Server for a Small Company - https://www.youtube.com/watch?v=6x4-vNmzuqU
• Understand subnet masks - https://www.youtube.com/watch?v=s_Ntt6eTn94
• Installing Sophos - https://youtu.be/NebZxbOIlH4
• Sophos XG Full Tutorial - https://www.youtube.com/watch?v=KmnKfCTSt6g&list=PLW7Uff4NY2n-oJ2nxiSAXW2mb86POx6oU
• CompTIA A+ Course - https://youtu.be/2eLe7uz-7CM / https://youtu.be/XSlxETFKXg0
• Fortigate Firewall
  • Master Fortigate firewall administration 1
  • Master Fortigate firewall administration 2
  • Officila Guide to Install Fortigate Firewall on Hyper-V
• Install and Setup Fortigate Evaluation On Hyper-V / Vmware - https://youtu.be/QIQ4HHFtAMw
• Practice CCNA labs using GNS3 - https://youtube.com/playlist?list=PLhHT1w6sU7CNz2hDXrzKjGvufwMqx5a4j
• Comprehensive network configuration guide - https://youtu.be/de7axFBMayk
• CCNA 200-301 Complete Course 1 - https://youtube.com/playlist?list=PLN0OCwSZePjdHb33bAfU0oQ0zWb4w2RDK
• CCNA 200-301 Complete Course 2 - https://youtube.com/playlist?list=PLhfrWIlLOoKPc2RecyiM_A9nf3fUU3e6g
• CCNA 200-301 Complete Course 3 - https://www.youtube.com/playlist?list=PLxbwE86jKRgMpuZuLBivzlM8s2Dk5lXBQ
• Hyper V Network Configuration - https://www.youtube.com/watch?v=FCIA4YQHx9U
• Hyper-v Easy Fix
• This command can reset network for wsl - wsl --shutdown, netsh winsock reset
• Install pfSense Firewall in Hyper-V - https://youtu.be/U7gJ1eOkIOM

Other Tutorial and blogs

• Complete Tutorial of Windows Server 2022 Tutorial
• Complete Tutorial of How to Managing Active Directory Environment
• Beginer's Tutorial of Microsoft 365 | Exchange Online
• Installing SAP B1 Server on Windows
• Best Free Opensource Windows Firewall
• FREE CyberSecurity Tool SEIM Security Information & Event Managment
• Quick and Easy Local SSL Certificates for Your Homelab!
• How to Configure VLAN in Windows 11, 10, 8 & 7
• Real-World Networking Projects using Cisco Packet Tracker
• ITAM - Installing Snipe-IT - on Ubuntu directly or on Ubuntu via Docker
• OCS : How to build an IT asset inventory server
• How to setup Small Office Networking
• Guacamole: Opensource Selfhost Remote Desktop
• Self host Web application using Coolify (Alternative of Vercel)
• Mastering RDP: How It Works, and Secure Usage
• Setup RDP and NLA ( Network Level Authentication ) for unauthorise access
• Cisco packet tracer: Subnetting and Classless Addressing
• Youtube Playlist of Networkchuck - You Suck at Subnetting
• How to Secure RDP: Protection from Cyber Attacks
• Understand Baremetal: Cloud vs Baremetal
• Login to Personal Gmail with App Password

Tools & Other Resources

• Opensource IDS/IPS Tools - Suricata , Zeek & Security Onion
• Network Notepad (Netwrok diagram and monitoring) - https://www.networknotepad.com/index.shtml
• Safing Openource Windows Firewall - https://safing.io/
• Aotomate your Repeatative task using Windows Macro - https://tinytask.net/
• Find Domain Category to Block in Fortigate Firewall - https://www.fortiguard.com/webfilter
• Open Source NVR Software - https://www.ispyconnect.com/
• Swiss Army Knife of IT Tools - https://it-tools.tech/
• Printer Drivers - https://printerdrivers.com/
• The Ultimate Windows Utlity - https://github.com/ChrisTitusTech/winutil
• Windows Generic Keys - source01, source02, source03
• Create Ubuntu VMs like Docker using Multipass Defalut instance is C:\ProgramData\Multipass
• CLI Command for Multipass - https://multipass.run/docs/multipass-cli-client
• Ubuntu CLI Cheat Sheet - source-1, source-2
• Selfhost Email Archiving services - [Apider Email Archiving](https://spiderd.io/, Mailpiler
• Host your very own Helpdesk
• Older Versions of Anydesk
• Troubleshoot website, network, and CDN - https://tools.keycdn.com/
• Learn about Cyber Attacks - https://attack.mitre.org/
• .

Misc

• RDP Login Credentail localtion - Computer\HKEY_CURRENT_USER\SOFTWARE\Microsoft\Terminal Server Client\Default

All about Subnet Mask

Subnet Mask	Binary Representation	CIDR	Networks	Usable Hosts
255.255.255.255	11111111.11111111.11111111.11111111	/32	1	0
255.255.255.254	11111111.11111111.11111111.11111110	/31	2	0
255.255.255.252	11111111.11111111.11111111.11111100	/30	4	2
255.255.255.248	11111111.11111111.11111111.11111000	/29	8	6
255.255.255.240	11111111.11111111.11111111.11110000	/28	16	14
255.255.255.224	11111111.11111111.11111111.11100000	/27	32	30
255.255.255.192	11111111.11111111.11111111.11000000	/26	64	62
255.255.255.128	11111111.11111111.11111111.10000000	/25	128	126
255.255.255.0	11111111.11111111.11111111.00000000	/24	256	254
255.255.254.0	11111111.11111111.11111110.00000000	/23	512	510
255.255.252.0	11111111.11111111.11111100.00000000	/22	1024	1022
255.255.248.0	11111111.11111111.11111000.00000000	/21	2048	2046
255.255.240.0	11111111.11111111.11110000.00000000	/20	4096	4094
255.255.224.0	11111111.11111111.11100000.00000000	/19	8192	8190
255.255.192.0	11111111.11111111.11000000.00000000	/18	16384	16382
255.255.128.0	11111111.11111111.10000000.00000000	/17	32768	32766
255.255.0.0	11111111.11111111.00000000.00000000	/16	65536	65534
255.254.0.0	11111111.11111110.00000000.00000000	/15	131072	131070
255.252.0.0	11111111.11111100.00000000.00000000	/14	262144	262142
255.248.0.0	11111111.11111000.00000000.00000000	/13	524288	524286
255.240.0.0	11111111.11110000.00000000.00000000	/12	1048576	1048574
255.224.0.0	11111111.11100000.00000000.00000000	/11	2097152	2097150
255.192.0.0	11111111.11000000.00000000.00000000	/10	4194304	4194302
255.128.0.0	11111111.10000000.00000000.00000000	/9	8388608	8388606
255.0.0.0	11111111.00000000.00000000.00000000	/8	16777216	16777214
254.0.0.0	11111110.00000000.00000000.00000000	/7	33554432	33554430
252.0.0.0	11111100.00000000.00000000.00000000	/6	67108864	67108862
248.0.0.0	11111000.00000000.00000000.00000000	/5	134217728	134217726
240.0.0.0	11110000.00000000.00000000.00000000	/4	268435456	268435454
224.0.0.0	11100000.00000000.00000000.00000000	/3	536870912	536870910
192.0.0.0	11000000.00000000.00000000.00000000	/2	1073741824	1073741822
128.0.0.0	10000000.00000000.00000000.00000000	/1	2147483648	2147483646
0.0.0.0	00000000.00000000.00000000.00000000	/0	4294967296	4294967294

• Class A Public & Private IP Address Range - Meridian Outpost
• Subnet Cheat Sheet – 24 Subnet Mask, 30, 26, 27, 29, and other IP
• IP Subnet Calculator
• IP CIDR Calcualtor

Job Opportunities

After learning CCNA, CompTIA A+, Active Directory, Windows Server, Firewall Management, and Hardware Networking, you can apply for various entry-level IT roles. These include:

• IT Support Specialist: Help users with technical issues.
• Help Desk Technician: Provide remote or in-person technical support.
• Network Administrator: Manage and optimize networks.
• System Engineer: Design and manage IT systems.
• Service Desk Analyst: Provide technical support to end users.
• Associate Network Engineer: Assist in network solution design.
• Desktop Support Administrator: Provide technical support and manage user accounts.

Information Technology Roles:

1. Network Administrator
2. Cloud Engineer
3. IT Support Specialist
4. Network Engineer
5. System Administrator
6. System Engineer

Job Description

• https://www.comptia.org/content/it-careers-path-roadmap/it-support-specialist
• Job description of IT Specialist - https://youtu.be/vsjZvSbFtWw?feature=shared

✅ IT Courses and Certifications Checklist

A curated list of essential IT courses and certifications for aspiring and current IT professionals.

🎓 Courses

• IT Support Technical Skills Helpdesk
• IT Asset Management (ITAM) – Software Asset Management
• Desktop IT Support Level 1 & 2 (Troubleshooting)
• Advanced Windows Performance Troubleshooting
• IT Professional: PC Troubleshooting & Helpdesk Career Course
• Start and Run a Successful IT Support Company
• TOTAL: CompTIA A+ Core 1 (220-1101) Course + Exam
• TOTAL: CompTIA A+ Core 2 (220-1102) Course + Exam
• TOTAL: CompTIA Tech+ (FC0-U71)
• TOTAL: CompTIA Network+ (N10-009) + Practice Exam
• TOTAL: CompTIA Security+ Certification Course + Exam SY0-701
• English for IT Professionals: Communication
• Windows Server 2022 Administration
• LPI Linux Essentials (010-160) Complete Course
• MS-102 Microsoft 365 Administrator Expert course with SIMS
• The Complete Networking Fundamentals Course. Your CCNA start
• CCNA Course 200-301 by Network Chuck
• AWS Certified Solutions Architect Associate SAA-C03
• I.T. Project Management for Beginners: A Step-by-Step Guide