Zulqarnain Hayat - Udemy Instructor

03/11/2026

Limited-Time Udemy Coupon Offers – Linux, Oracle, Cloud
Dear Team,

I’m happy to share a limited-time Udemy coupon offer on a wide range of hands-on IT courses covering Linux, Oracle, Cloud, Databases, Security, and System Administration.

These courses are suitable for Beginners to Advanced professionals and focus on practical, real-world labs.

🔹 Linux & Open Source

• Learn Linux Command Line – Zero to Hero
https://www.udemy.com/course/learn-linux-command-line-in-days-and-level-up-your-career/?couponCode=DF9678F38414F18A1EF4

• Ubuntu Linux Server Administration
https://www.udemy.com/course/ubuntu-linux-server/?couponCode=725563F1B2D4333E01C9

• Ubuntu Linux Desktop Basics
https://www.udemy.com/course/ubuntu-linux-dekstop-basics/?couponCode=078C0C53AF6A9324D0FD

• Linux Security and Hardening
https://www.udemy.com/course/linux-security-and-hardening/?couponCode=DA9AFF5006D065C4E02C

• CentOS 7 Administration – Beginner to Advanced
https://www.udemy.com/course/centos-7-administration-go-from-beginner-to-advanced/?couponCode=4993416763A83259AA68

• Linux Advanced Disk Systems (RHCE Prep)
https://www.udemy.com/course/learning-linux-advanced-disk-systems-rhce-cert-prep/?couponCode=57F64EBC8E04E310B500

🔹 Oracle Database & Solaris

• Oracle Solaris 11 System Administration
https://www.udemy.com/course/oracle-solaris-11-system-administration-from-zero-to-hero/?couponCode=06C37B9C97623DB77254

• Solaris 11.4 Administration & Sun Cluster
https://www.udemy.com/course/solaris-114-administration-and-sun-cluster-with-hands-on/?couponCode=DC8CAB1E79D96ABCA5DD

• Oracle 12c Database Administration – Hands-On
https://www.udemy.com/course/oracle-12c-database-administration-with-hands-on-experience/?couponCode=54FDB8F2B922F2F8ABDA

• Oracle 12c Backup & Recovery
https://www.udemy.com/course/oracle-12c-backup-and-recovery-zero-to-hero/?couponCode=DE2F74B70B10E6AA8377

• Oracle 12c Security, Data Protection & Encryption
https://www.udemy.com/course/oracle-database-12c-securitydata-protection-and-encryption/?couponCode=99B5030EE0577CEA3476

• Oracle 11g to 12c Database Upgrade
https://www.udemy.com/course/learn-oracle-database-upgrade-oracle-11g-to-12c-upgrade/?couponCode=26807EB175BBDDEC7C2C

• Oracle 12c RAC (Real Application Clusters)
https://www.udemy.com/course/oracle-12coracle-real-application-cluster/?couponCode=3165E0B34CB7A7135D76

• Oracle 18c Data Guard & Lab Setup
https://www.udemy.com/course/database-administration-oracle-18c-lab-setup-and-data-guard/?couponCode=365B0316CBFAC9A08CE1

• Oracle Cloud & 12c New Features
https://www.udemy.com/course/oracle-cloud-and-oracle-12c-database-release-2-new-features/?couponCode=C05E930BDA12867DA047

• Oracle 12c SQL – Basic to Advanced
https://www.udemy.com/course/oracle-database-12c-basic-sql-hand-on-step-by-step/?couponCode=253E8562858BE8B38A3D
https://www.udemy.com/course/oracle-database-12c-cloud-advanced-sql-hands-on/?couponCode=F84BFE256C93F72A794C

🔹 Web, DevOps & Virtualization

• NGINX Web Server – Zero to Hero
https://www.udemy.com/course/learning-nginx-web-server-from-zero-to-hero/?couponCode=29036A4C71472FF1A837

• Apache, MySQL & PHP (LAMP Stack)
https://www.udemy.com/course/learning-installing-apache-mysql-and-php/?couponCode=72978436EE789F6DFBB0

• Vagrant – Visualized Development Environments
https://www.udemy.com/course/vagrant-visualized-development-environments-and-oracle/?couponCode=2FAB0E7F80178855B220

• VMware vSphere 6.0 VCP Lab
https://www.udemy.com/course/learning-vsphere-60-vcp-lab-with-vmware-workstation-hand-on/?couponCode=65F6F2B1512FBB8D8C59

🔹 Microsoft & Data

• Windows Server 2016 – Hands-On
https://www.udemy.com/course/learning-windows-server-2016-with-hands-on-experience/?couponCode=506804E1B35341267F64

• SQL Server 2016 – Zero to Hero
https://www.udemy.com/course/microsoft-sql-server-databases-2016-from-zero-to-hero/?couponCode=62560E2641038C3BFDBA

• SQL Server 2017 on Linux, Docker & macOS
https://www.udemy.com/course/microsoft-sql-server-2017-linux-docker-and-macos-hands-on/?couponCode=005AF7E75BE33E848D18

• R Language with Hands-On Experience
https://www.udemy.com/course/r-language-with-hands-on-experience/?couponCode=E6673DC57D40E6F8BE6A

🔹 IT Support & Foundations

• IT Help Desk Basics
https://www.udemy.com/course/learning-it-help-desk-basics/?couponCode=E3D68DCBF0C4BA9F2430

⚠️ Note: Coupons are time-limited and may expire soon. Please enroll at the earliest to secure access.

Feel free to share this with colleagues and teams who may benefit.

Best regards,
Zulqarnain Hayat

02/08/2026

ALL of my courses for just $9.99 (or 95% OFF)
🎓 Limited-Time FREE / Discounted Udemy Courses – Grab Now!

🚀 Learn Linux, Oracle, Cloud, Databases, Virtualization & DevOps with hands-on labs.

🐧 Linux & Server Administration

Linux Command Line (Beginner → Pro)
👉 https://www.udemy.com/course/learn-linux-command-line-in-days-and-level-up-your-career/?couponCode=4E1B9DF3F8D011E937F2

Ubuntu Linux Server Administration
👉 https://www.udemy.com/course/ubuntu-linux-server/?couponCode=CA9AF4DA090CCAE3D86C

Ubuntu Linux Desktop Basics
👉 https://www.udemy.com/course/ubuntu-linux-dekstop-basics/?couponCode=F605BFB62E9F202C0359

CentOS 7 Administration (Beginner → Advanced)
👉 https://www.udemy.com/course/centos-7-administration-go-from-beginner-to-advanced/?couponCode=0CD3697592FCAB12AB0F

Linux Security & Hardening
👉 https://www.udemy.com/course/linux-security-and-hardening/?couponCode=38A4C6484CDDFC1844DF

Linux Advanced Disk Systems (RHCE Prep)
👉 https://www.udemy.com/course/learning-linux-advanced-disk-systems-rhce-cert-prep/?couponCode=AAC0BAFC57577DFCD7CE

🗄️ Oracle Database & RAC

Oracle 12c DBA – Zero to Hero
👉 https://www.udemy.com/course/oracle-12c-database-administration-with-hands-on-experience/?couponCode=8FE9179C4E8A7AF662B4

Oracle 12c Backup & Recovery
👉 https://www.udemy.com/course/oracle-12c-backup-and-recovery-zero-to-hero/?couponCode=4183C4279E2D9A30C5E2

Oracle 11g → 12c Upgrade
👉 https://www.udemy.com/course/learn-oracle-database-upgrade-oracle-11g-to-12c-upgrade/?couponCode=BDEAF51769E1C3FBB557

Oracle 12c RAC (Real Application Cluster)
👉 https://www.udemy.com/course/oracle-12coracle-real-application-cluster/?couponCode=38001228E57704D523A3

Oracle 18c Data Guard & Lab Setup
👉 https://www.udemy.com/course/database-administration-oracle-18c-lab-setup-and-data-guard/?couponCode=6432E7F15BA80B9043F1

Oracle 12c SQL (Basic & Advanced)
👉 Basic SQL: https://www.udemy.com/course/oracle-database-12c-basic-sql-hand-on-step-by-step/?couponCode=EB2D2B85989679C99D7F
👉 Advanced SQL: https://www.udemy.com/course/oracle-database-12c-cloud-advanced-sql-hands-on/?couponCode=FD76090263A8AFB6C74D

Oracle Cloud & 12c New Features
👉 https://www.udemy.com/course/oracle-cloud-and-oracle-12c-database-release-2-new-features/?couponCode=D2D60F03C79CACFFC8E7

Hands-on Linux 7 for Oracle 12c
👉 https://www.udemy.com/course/hands-on-linux-7-setup-for-oracle-12c-database-zero-to-hero/?couponCode=A01769F1531375596D4B

☀️ Solaris & UNIX

Oracle Solaris 11 – Zero to Hero
👉 https://www.udemy.com/course/oracle-solaris-11-system-administration-from-zero-to-hero/?couponCode=FC3FA2DE27F38FE95E15

Solaris 11.4 & Sun Cluster (Hands-on)
👉 https://www.udemy.com/course/solaris-114-administration-and-sun-cluster-with-hands-on/?couponCode=1CE834C3A9C7ED9A6AA5

🌐 Web, DevOps & Virtualization

NGINX Web Server (Zero → Hero)
👉 https://www.udemy.com/course/learning-nginx-web-server-from-zero-to-hero/?couponCode=56F733ADEACED88074DE

Apache, MySQL & PHP (LAMP Stack)
👉 https://www.udemy.com/course/learning-installing-apache-mysql-and-php/?couponCode=819C5E36388F9A67F49A

VirtualBox (Basic → Advanced)
👉 https://www.udemy.com/course/learn-virtualbox-basic-to-advance/?couponCode=D4A774DFCE0362D13F47

VMware vSphere 6.0 (VCP Lab)
👉 https://www.udemy.com/course/learning-vsphere-60-vcp-lab-with-vmware-workstation-hand-on/?couponCode=5C131B49EA342D8B14F2

Vagrant & Oracle Dev Environments
👉 https://www.udemy.com/course/vagrant-visualized-development-environments-and-oracle/?couponCode=7F84F9B1DB131F3EB721

🪟 Microsoft & Data

Windows Server 2016 (Hands-on)
👉 https://www.udemy.com/course/learning-windows-server-2016-with-hands-on-experience/?couponCode=6A53528D4896A2B7B15E

Microsoft SQL Server 2016
👉 https://www.udemy.com/course/microsoft-sql-server-databases-2016-from-zero-to-hero/?couponCode=6CB14EFFC0AD176BE6B6

SQL Server 2017 on Linux, Docker & macOS
👉 https://www.udemy.com/course/microsoft-sql-server-2017-linux-docker-and-macos-hands-on/?couponCode=CD65258546F1EF976037

R Programming (Hands-on)
👉 https://www.udemy.com/course/r-language-with-hands-on-experience/?couponCode=4B48EC1A6B09C253E6A6

🧑‍💻 IT Support & Helpdesk

IT Help Desk Fundamentals
👉 https://www.udemy.com/course/learning-it-help-desk-basics/?couponCode=C0559C308A5238249A8F

Best Regards

01/20/2026

Limited-Time Udemy Coupon Offers – Learn & Upskill Today!
Dear Team,
I’m happy to share a limited-time Udemy coupon offer on a wide range of hands-on IT courses covering Linux, Oracle, Cloud, Databases, Security, and System Administration.
These courses are suitable for Beginners to Advanced professionals and focus on practical, real-world labs.
________________________________________
🔹 Linux & Open Source
• Learn Linux Command Line – Zero to Hero
https://www.udemy.com/course/learn-linux-command-line-in-days-and-level-up-your-career/?couponCode=DF9678F38414F18A1EF4
• Ubuntu Linux Server Administration
https://www.udemy.com/course/ubuntu-linux-server/?couponCode=725563F1B2D4333E01C9
• Ubuntu Linux Desktop Basics
https://www.udemy.com/course/ubuntu-linux-dekstop-basics/?couponCode=078C0C53AF6A9324D0FD
• Linux Security and Hardening
https://www.udemy.com/course/linux-security-and-hardening/?couponCode=DA9AFF5006D065C4E02C
• CentOS 7 Administration – Beginner to Advanced
https://www.udemy.com/course/centos-7-administration-go-from-beginner-to-advanced/?couponCode=4993416763A83259AA68
• Linux Advanced Disk Systems (RHCE Prep)
https://www.udemy.com/course/learning-linux-advanced-disk-systems-rhce-cert-prep/?couponCode=57F64EBC8E04E310B500
________________________________________
🔹 Oracle Database & Solaris
• Oracle Solaris 11 System Administration
https://www.udemy.com/course/oracle-solaris-11-system-administration-from-zero-to-hero/?couponCode=06C37B9C97623DB77254
• Solaris 11.4 Administration & Sun Cluster
https://www.udemy.com/course/solaris-114-administration-and-sun-cluster-with-hands-on/?couponCode=DC8CAB1E79D96ABCA5DD
• Oracle 12c Database Administration – Hands-On
https://www.udemy.com/course/oracle-12c-database-administration-with-hands-on-experience/?couponCode=54FDB8F2B922F2F8ABDA
• Oracle 12c Backup & Recovery
https://www.udemy.com/course/oracle-12c-backup-and-recovery-zero-to-hero/?couponCode=DE2F74B70B10E6AA8377
• Oracle 12c Security, Data Protection & Encryption
https://www.udemy.com/course/oracle-database-12c-securitydata-protection-and-encryption/?couponCode=99B5030EE0577CEA3476
• Oracle 11g to 12c Database Upgrade
https://www.udemy.com/course/learn-oracle-database-upgrade-oracle-11g-to-12c-upgrade/?couponCode=26807EB175BBDDEC7C2C
• Oracle 12c RAC (Real Application Clusters)
https://www.udemy.com/course/oracle-12coracle-real-application-cluster/?couponCode=3165E0B34CB7A7135D76
• Oracle 18c Data Guard & Lab Setup
https://www.udemy.com/course/database-administration-oracle-18c-lab-setup-and-data-guard/?couponCode=365B0316CBFAC9A08CE1
• Oracle Cloud & 12c New Features
https://www.udemy.com/course/oracle-cloud-and-oracle-12c-database-release-2-new-features/?couponCode=C05E930BDA12867DA047
• Oracle 12c SQL – Basic to Advanced
https://www.udemy.com/course/oracle-database-12c-basic-sql-hand-on-step-by-step/?couponCode=253E8562858BE8B38A3D
https://www.udemy.com/course/oracle-database-12c-cloud-advanced-sql-hands-on/?couponCode=F84BFE256C93F72A794C
________________________________________
🔹 Web, DevOps & Virtualization
• NGINX Web Server – Zero to Hero
https://www.udemy.com/course/learning-nginx-web-server-from-zero-to-hero/?couponCode=29036A4C71472FF1A837
• Apache, MySQL & PHP (LAMP Stack)
https://www.udemy.com/course/learning-installing-apache-mysql-and-php/?couponCode=72978436EE789F6DFBB0
• Vagrant – Visualized Development Environments
https://www.udemy.com/course/vagrant-visualized-development-environments-and-oracle/?couponCode=2FAB0E7F80178855B220
• VMware vSphere 6.0 VCP Lab
https://www.udemy.com/course/learning-vsphere-60-vcp-lab-with-vmware-workstation-hand-on/?couponCode=65F6F2B1512FBB8D8C59
________________________________________
🔹 Microsoft & Data
• Windows Server 2016 – Hands-On
https://www.udemy.com/course/learning-windows-server-2016-with-hands-on-experience/?couponCode=506804E1B35341267F64
• SQL Server 2016 – Zero to Hero
https://www.udemy.com/course/microsoft-sql-server-databases-2016-from-zero-to-hero/?couponCode=62560E2641038C3BFDBA
• SQL Server 2017 on Linux, Docker & macOS
https://www.udemy.com/course/microsoft-sql-server-2017-linux-docker-and-macos-hands-on/?couponCode=005AF7E75BE33E848D18
• R Language with Hands-On Experience
https://www.udemy.com/course/r-language-with-hands-on-experience/?couponCode=E6673DC57D40E6F8BE6A
________________________________________
🔹 IT Support & Foundations
• IT Help Desk Basics
https://www.udemy.com/course/learning-it-help-desk-basics/?couponCode=E3D68DCBF0C4BA9F2430
________________________________________
⚠️ Note: Coupons are time-limited and may expire soon. Please enroll at the earliest to secure access.
Feel free to share this with colleagues and teams who may benefit.
Best regards,
Zulqarnain Hayat

07/24/2025

07/24/2025

07/24/2025

07/23/2025

Storage Provisioning for Linux Apps — Fast & Clean Setup

For IT leads managing enterprise-grade deployments, carving out a dedicated filesystem like /u01 for databases or apps keeps things clean, scalable, and secure.

Here’s a quick XFS volume setup guide using LVM — perfect for modern Linux servers:

# Create a partition on the new disk
fdisk /dev/sdb

# Create volume group
vgcreate datavg /dev/sdb1

# Create logical volume
lvcreate -L 149.99G -n datalv datavg

# Format with XFS
mkfs.xfs /dev/datavg/datalv

# Create mount point
mkdir /u01

📝 Add to fstab for persistence:

/dev/datavg/datalv /u01 xfs defaults 0 0

💡 Best for: Oracle installs, app binaries, or isolating log-heavy services.

📌 Pro tip: Always double-check UUIDs or use blkid for reliability on reboot.

07/23/2025

Understanding Ports in Networking – A Must for IT Leaders

As IT leads, we often talk cloud, security, and infrastructure — but the foundation? It’s in the network ports.

🔹 What are ports?
They’re the numerical labels that guide traffic to the right process on a device — crucial for services to operate securely and efficiently.

🔹 Why they matter:
Ports distinguish between web traffic (HTTP 80), secure traffic (HTTPS 443), remote access (SSH 22), and email services (SMTP 25).

🔹 Types of Ports:
• Well-known (0–1023) – Core protocols (e.g., HTTP)
• Registered (1024–49151) – Vendor-assigned
• Dynamic (49152–65535) – Temporary/session use

📊 Whether you’re segmenting traffic, hardening firewalls, or designing hybrid architecture — knowing your ports is non-negotiable.

🧠 Pro tip: Always restrict open ports to the bare minimum in production.

07/21/2025