IT & Information Technology Services
Practical IT Solutions for Business, ERP, Web & Server Environments
I provide practical IT and systems administration services based on hands-on experience with Linux servers, ERP platforms, databases, web applications, networking, Docker-based infrastructure, application deployment, system maintenance, and technical troubleshooting.
My services are focused on helping individuals, businesses, and organizations install, configure, deploy, maintain, troubleshoot, secure, and improve their IT environments.
My strongest service areas are ERP administration, Linux/server administration, application infrastructure, databases, web infrastructure, networking, deployment, backups, and technical support.
1. ERPNext & Frappe Services
I provide practical ERPNext/Frappe administration and technical support for organizations using or planning to use ERPNext.
ERPNext/Frappe installation and deployment
ERP environment configuration
Docker-based ERPNext deployment
Docker Compose configuration
Application service management
ERPNext application troubleshooting
Worker and scheduler management
Gunicorn and WebSocket environment support
Redis service and queue support
MariaDB integration and administration
ERP application access configuration
HTTPS/SSL configuration support
Backup configuration and maintenance
ERPNext environment maintenance
Application updates and troubleshooting
Private/LAN/remote ERP access configuration
Businesses, startups, professionals, and organizations that need technical assistance with an ERPNext/Frappe environment.
2. Dolibarr ERP & CRM Services
I provide technical services for Dolibarr ERP/CRM environments, including Linux-based installation and web-server infrastructure.
Dolibarr installation
Linux-based Dolibarr deployment
Apache configuration
PHP environment configuration
MariaDB database connectivity
Dolibarr configuration
Local and LAN access
Website/application integration
Troubleshooting
Database and application backups
Maintenance and updates
Basic customization and environment configuration
Technical support for Dolibarr deployments
3. Linux Server Administration
I provide practical Linux server administration and maintenance services for web applications, ERP systems, databases, and other business applications.
Linux installation and configuration
Package installation and updates
Service management
Process management
User and permission management
File ownership and permissions
Network configuration
System log inspection
Server troubleshooting
Firewall configuration
Application service management
Web-server administration
Server maintenance
Application environment configuration
My approach focuses on keeping systems stable, accessible, maintainable, and properly configured.
4. Docker & Docker Compose Services
I provide practical assistance with Docker and Docker Compose-based application environments.
Docker installation and configuration
Docker Compose environment setup
Multi-container application deployment
Container configuration
Application/service connectivity
Persistent data configuration
Container logs and troubleshooting
Environment configuration
Application updates
Container maintenance
Docker-based ERP deployments
Database container management
Reverse-proxy/application infrastructure
This is particularly useful for applications that require several interconnected services such as ERP applications, databases, Redis, web servers, and supporting services.
5. Database Administration & Support
I provide practical database support for application environments using MariaDB and PostgreSQL.
Database installation and configuration
Database service administration
Application/database connectivity
Database troubleshooting
ERP database support
Web application database support
Database backups
Database maintenance
User/access configuration
Application connection troubleshooting
Database-related deployment support
My database experience is particularly connected with ERP and web applications, where reliable database connectivity and maintenance are essential.
6. Web Server & Application Infrastructure
I provide technical support for web applications and their supporting server environments.
Apache • Nginx • PHP • Python • Node.js • Redis • MariaDB • PostgreSQL • Docker
Web-server installation and configuration
Apache configuration
Nginx configuration
PHP application environments
Application-server configuration
Reverse-proxy environments
Web application deployment
Application connectivity troubleshooting
HTTPS/SSL configuration
Domain/hostname configuration support
Server-side troubleshooting
Web application maintenance
7. Website & Web Application Deployment
I provide practical assistance with deploying websites and web applications to accessible hosting environments.
My practical deployment experience includes:
Website deployment
Git-based deployment
Hosting configuration
Domain/hostname configuration
HTTPS/SSL setup support
Deployment troubleshooting
Application environment configuration
Website maintenance
Migration between supported hosting environments
8. Networking & Remote Access Services
I provide practical networking and remote-access support for application and server environments.
LAN connectivity
TCP/IP troubleshooting
DNS and hostname configuration
Private network access
Remote application access
Tailscale configuration
Tailscale Serve
Tailscale Funnel
Network access troubleshooting
Firewall access rules
Controlled access to internal applications
These services can help connect applications and servers while maintaining appropriate access restrictions.
9. Firewall & Basic IT Security Configuration
I provide practical server and application security configuration as part of IT administration.
UFW firewall configuration
Incoming/outgoing access control
Service-specific firewall rules
Restricted administrative access
HTTPS/SSL configuration
Private network access
Secure remote access configuration
Application access restrictions
Certificate-related configuration
Basic server security hardening
My security services focus on practical system and application protection rather than representing penetration testing or a dedicated cybersecurity consultancy.
10. Backup & System Maintenance
I provide practical backup and maintenance support for ERP, database, web, and server environments.
Application backups
Database backups
Configuration backups
ERP backups
Backup verification support
Server maintenance
Application maintenance
Service restart/recovery support
Log inspection
Update and maintenance procedures
Recovery preparation
I distinguish backup preparation from a formally tested enterprise disaster-recovery program. Where appropriate, clients should establish and regularly test their own complete recovery procedures.
11. IT Troubleshooting & Technical Support
I can assist with diagnosing and resolving technical problems involving:
Linux servers
ERP applications
Databases
Web applications
Apache/Nginx
Docker containers
Networking
Tailscale
Firewall configuration
Application services
Database connectivity
HTTPS/SSL
Deployment problems
Configuration problems
Service failures
My troubleshooting approach is based on identifying the problem, checking the relevant configuration and logs, isolating the cause, applying a solution, and verifying the system afterward.
12. ERP & Business Application Deployment
I can assist businesses that need help moving a business application from an initial installation into a functioning technical environment.
Planning → Installation → Configuration → Database Setup → Web/Application Setup → Networking → Security → Testing → Backup → Maintenance
This service is particularly relevant to ERPNext, Frappe, Dolibarr, and other compatible web-based business applications.
13. Digital Certificate & Document Security Support
I also have practical exposure to digital certificate and document-signing environments.
Related services may include:
Certificate environment configuration
Certificate-store support
NSS-related configuration
PKCS#12 certificate files
Digital-signature environments
Certificate-based application workflows
Secure document-processing environments
Sensitive private keys, passwords, credentials, and confidential certificate material should always remain under the client's secure control.
14. Technical Consultation
If you are unsure which technology or architecture is appropriate for your business, I can provide practical technical consultation based on the requirements of your project.
Consultation can cover:
ERP platform environments
Linux servers
Docker deployment
Database requirements
Web application infrastructure
Hosting/deployment options
Networking
Remote access
Backup approaches
Application architecture
Technical troubleshooting
Migration and deployment planning
If you need assistance with:
ERPNext / Frappe
Dolibarr ERP / CRM
Linux Servers
Docker / Docker Compose
MariaDB / PostgreSQL
Apache / Nginx
PHP / Python / Node.js environments
Web Application Deployment
Networking / Tailscale
Firewall / HTTPS / SSL
Backups & Maintenance
Technical Troubleshooting
Application Infrastructure
I can discuss your requirements and determine whether I can provide the appropriate technical service.
I believe effective IT support should be practical rather than purely theoretical.
My approach is:
Understand → Plan → Install → Configure → Deploy → Test → Troubleshoot → Secure → Back Up → Maintain
Where appropriate, I also document the environment and explain the configuration so that the client understands what has been implemented.
Who Can Use These Services?
My IT services may be useful for:
Small and medium-sized businesses
Startups
Entrepreneurs
Independent professionals
Organizations using ERP systems
Businesses moving to Linux/server-based applications
Website owners
Developers requiring deployment assistance
Businesses requiring application infrastructure support
Clients needing technical troubleshooting
Organizations requiring assistance with ERP/web application environments
If you are interested in any of these IT services, please contact me through my website contact form and describe your requirements, current environment, technical problem, or project objectives.
I can then review your requirements and discuss the appropriate scope of work, technical approach, availability, and service arrangements.
Website Contact Form:
Contact Adnan Sajjad
Professional Links:
Linktree – Adnan Sajjad
Campsite – Adnan Sajjad
My services are based on my practical hands-on technical experience and demonstrated projects. I aim to provide services within areas where I have appropriate technical capability and will clearly distinguish between services I can directly provide and requirements that may require a specialist third party.
Client credentials, passwords, private keys, certificates, confidential business information, and other sensitive data should be handled securely and should not be publicly shared.