Hire the Best Linux System Administrators in Dhaka, BD

Hi, I’m Mir Alamin — Linux System Administrator & Web Developer with 10+ years of experience. I specialize in fixing slow, hacked, broken, or underperforming WordPress sites and Linux servers. Most problems I solve the same day. I work directly with businesses and website owners to build, fix, secure, optimize, and maintain the technology behind their websites. ## Why clients hire me 🏆 500+ successful projects ⭐ 500+ five-star reviews ⏱️ 2,000+ Upwork hours 💻 10+ years of professional experience 🎓 40+ verified skill certifications I am also the specialist behind "WebCare Pro" website, where I provide hands-on web infrastructure, server administration, security, performance, and website services. What I can help with 🖥️ Linux Server Administration ✔Linux VPS and dedicated server management ✔Server deployment and configuration ✔Nginx, Apache, and LiteSpeed ✔Server hardening and security ✔Firewall, Fail2ban, SSH, and access security ✔Performance and resource optimization ✔Server monitoring and maintenance ✔Server migration and infrastructure changes ⚡ Website Speed & Performance ✔Core Web Vitals optimization ✔Google PageSpeed optimization ✔TTFB and server response optimization ✔Nginx/LiteSpeed/Apache tuning ✔Redis and server-side caching ✔JavaScript and asset optimization ✔Image optimization and modern delivery ✔Database and query optimization 🔐 Website Security & Hack Recovery ✔Malware detection and removal ✔Hacked website recovery ✔Security vulnerability fixes ✔WordPress security hardening ✔File integrity monitoring ✔Firewall and WAF configuration ✔Blacklist and security issue remediation ✔Post-incident security improvements 🌐 Website Development & Technical SEO ✔Fast, SEO-ready website development ✔WordPress development and optimization ✔Next.js websites ✔Semantic HTML and accessible markup ✔Structured data / Schema ✔Technical SEO implementation ✔Mobile-first responsive development ✔Performance-focused architecture ☁️ Hosting, DNS & Cloud Infrastructure ✔cPanel and Plesk management ✔Cloud and VPS hosting ✔AWS, DigitalOcean, Hetzner, Linode, Vultr, and more ✔Cloudflare configuration ✔DNS architecture and troubleshooting ✔SSL/TLS configuration ✔SPF, DKIM, and DMARC ✔Email and hosting configuration 🛠️ Troubleshooting & Emergency Repairs If your website or server is slow, broken, throwing errors, timing out, or completely offline, I can investigate the underlying problem rather than simply applying a temporary workaround. I troubleshoot issues including: ✔400/401/403/404 errors ✔500/502/503/504 errors ✔White Screen of Death ✔Database connection failures ✔PHP and application errors ✔Server timeouts ✔High CPU/RAM usage ✔Memory leaks ✔Broken Nginx/Apache/LiteSpeed configurations ✔DNS and connection problems ✔SSL/TLS issues ✔Slow database queries ✔WordPress crashes and plugin conflicts ✔Website and server migration problems ## My approach I prefer root-cause troubleshooting over guesswork. I inspect logs, server configuration, application behavior, database performance, DNS, caching, and infrastructure to identify what is actually causing the problem. Then I implement a practical fix and verify that the system is working correctly. ☎Whether you need a one-time technical fix, server migration, performance optimization, security recovery, website development, or ongoing maintenance, I can work directly on the technical side of your project. 🕑If you have a technical problem, tell me what is happening, what you have already tried, and what environment you are using. I will help you determine the right approach.

Hi, I'm Shafail Shafa. I've been work as freelance web developer and Linux system administrator for more than 12 years. I specialize in phpBB forum software and WordPress sites. My phpBB experience includes, customization, modification and complete custom theme and extension development. My WordPress experience includes maintenance , site builds, error fix, customization, security and malware removal, hacked site recovery etc. Linux server admin tasks includes: Linux server maintenance, configuration, hardening, security for web and DNS server, email server and application server. I also do website and email migration or transfer from one host to another, including DNS configuration and SSL setup. Let me know what you need, we can discuss further if needed.

🎯 Your Trusted Partner for Scalable Web Solutions & Server Management Nur Islam - 12+ Years of Excellence in System Administration & Full-Stack Development 💼 What I Deliver for Your Business Transform your digital infrastructure with enterprise-grade solutions that scale with your growth. I specialize in building robust, secure, and high-performance web applications while ensuring your servers run flawlessly 24/7. 🏆 Core Expertise That Drives Results 🔧 Linux Server Administration & DevOps Cloud Infrastructure: AWS EC2, DigitalOcean, Google Cloud, Hetzner - complete setup, optimization, and management Control Panel Mastery: cPanel/WHM, Plesk, CyberPanel, VestaCP - installation, configuration, and troubleshooting Server Security: Advanced hardening, malware removal, SSL implementation, and continuous monitoring Database Management: MySQL, PostgreSQL, MariaDB, MongoDB - optimization and administration Container Solutions: Docker deployment, containerization, and CI/CD pipeline integration ☁️ Amazon Web Services (AWS) Solutions EC2 & Lightsail server deployment and management S3 storage solutions and CDN integration SES email configuration with marketing tools (Sendy) Route 53 DNS management and AWS Amplify hosting RDS database setup and Lambda serverless functions 🌐 Full-Stack Web Development Frontend: React.js, HTML5/CSS3, Bootstrap, Tailwind CSS, responsive design Backend: PHP 8.3, Laravel Framework, Node.js, REST & GraphQL APIs CMS Expertise: WordPress customization, security, and performance optimization E-commerce: Payment gateway integration (PayPal, Stripe, Authorize.Net, bKash, Nagad) 📧 Enterprise Email Solutions Zimbra Mail Server deployment and management Google Workspace and Office 365 integration Email deliverability optimization (SPF, DKIM, DMARC) Custom email server setup with Postfix/Exim 💻 WHMCS & Web Hosting Solutions Complete WHMCS setup, migration, and module integration Reseller hosting platform development Automated billing system configuration Custom hosting solutions for service providers 🎯 Industries I Serve Web Hosting Companies: Complete infrastructure and billing solutions E-commerce Businesses: Scalable platforms with secure payment processing SaaS Companies: Cloud-native applications with robust backend systems Digital Agencies: White-label server management and development services Startups: Cost-effective scalable solutions from MVP to enterprise ⚡ Why Choose Me? ✅ 24/7 Server Monitoring: Proactive maintenance prevents costly downtime ✅ Security First: Advanced hardening and malware protection protocols ✅ Scalable Solutions: Architecture that grows with your business needs ✅ Rapid Response: Emergency support with quick turnaround times ✅ Cost Optimization: Efficient resource utilization saves you money ✅ Knowledge Transfer: Documentation and training for your team 🛠️ Technical Stack Operating Systems: RHEL, CentOS, Ubuntu, Debian Web Servers: Apache, Nginx (LAMP/LEMP stacks) Databases: MySQL, PostgreSQL, MariaDB, MongoDB, Redis Cloud Platforms: AWS, Google Cloud, DigitalOcean, Vultr, Linode Development: PHP 8.3/PHP 8.4/PHP 8.5, Laravel 10/11/12/13, Vue.js, React.js, Node.js, JavaScript, jQuery DevOps: Docker, CI/CD, Git, Webpack, NPM Security: SSL/TLS, Server Hardening, Firewall Configuration 📞 Let's Discuss Your Project Whether you need emergency server support, a complete hosting infrastructure, or a custom web application, I'm here to deliver solutions that exceed your expectations. Available for: One-time projects and ongoing retainers Emergency server support and troubleshooting Screen-sharing sessions and knowledge transfer Long-term partnerships and dedicated support Ready to transform your digital infrastructure? Let's connect and discuss how I can help your business thrive. Professional web hosting & domain services | AI & SaaS application development | Enterprise-grade server solutions

I'm a professional Senior Linux Systems Engineer with over 14 years of hands-on experience in managing, securing, and optimizing Linux-based servers and infrastructure. If you're a startup, entrepreneur, web agency, or enterprise looking for rock-solid server performance, automation, and security, you're in the right place. I work closely with clients to build stable, scalable, and secure Linux environments What I Can Help You With: Linux Server Setup & Management: Debian, Ubuntu, CentOS, AlmaLinux, RHEL etc Installation, Disk partitioning, LVM, RAID, system hardening Performance tuning and troubleshooting Web Server Deployment: Apache2, Nginx, PHP-FPM, SSL/TLS, Let's Encrypt Virtual Hosts, Rewrite Rules, Reverse Proxy configuration Mail Server Configuration: Postfix, Dovecot, Zimbra, Roundcube etc SMTP, IMAP, SPF, DKIM, DMARC setup Email deliverability and spam protection DNS & Control Panels: BIND, PowerDNS, DNS record management Webmin, ISPConfig, CyberPanel, Virtualmin, Vestacp etc setups Cloud & DevOps Integration: Infrastructure automation using Bash and Ansible Server provisioning, patching, user/group management, cron jobs Experience with various cloud platforms Cloud server setup and management VPN & Proxy Services: Squid, 3proxy, WireGuard, OpenVPN, Anyconnect, PPTP, Ipsec IP rotation, IPv4/IPv6 support, authentication Monitoring & Logging: Zabbix, Nagios, Grafana, Cacti ELK Stack: Elasticsearch, Logstash, Kibana Virtualization & Containers: KVM, Proxmox, VMware ESXi Docker containers, Docker Compose, orchestration Database & Backup: MySQL/MariaDB setup, optimization, replication, backup & restore Rsync, Rclone, cloud/offsite backup strategies Custom backup scripting and automation If you’re looking for a trusted Linux expert to support or transform your infrastructure, let’s connect and discuss how I can help!

For expert and experience you should hire me as a system administrator for your valuable projects. I have a great work experience of lunux Debian, Redhat, Fedora, Amazon cloud AWS EC2 server, amazon cloud RDBS, Rackspace cloud server, Digital ocean cloud server, VPN, virtual box, VMware, Linux Quagga router, shell scripting, RedHat virtualization, cloud storage, clustering and openstack. I have also many years practical experience of linux DNS, Proxy, Mail, Virtual web, FTP, VPN, SAMBA, NFS, NTP, Virtual machine, Mysql and many web based application.

Your search for the perfect freelancer ends here! As a computer engineer with over two decades of experience in the mainstream IT industry, I can deliver a wide range of hi-tech services including: ✅ Linux system administration (Ubuntu, Debian, Red Hat, CentOS, and more) ✅ Cloud computing (AWS, GCP, Oracle Cloud, DigitalOcean, Azure, and more) ✅ Hosting control panels (cPanel/WHM, Plesk, Webmin/Virtualmin, DirectAdmin, Vesta, CWP, and more) ✅ Website, server, and email migration ✅ Cybersecurity consulting ✅ Malware removal and security hardening ✅ Various CMS and E-commerce solutions and troubleshooting (WordPress, Joomla, Shopify, osCommerce, Zen Cart, Magento, MediaWiki, phpBB, and more) I work solo, and known among peers for my fast turnaround time and ability to fix difficult problems. Where others have failed, I will succeed. ✌️ My credentials include multiple certifications from Google, Cisco, AWS, cPanel, Plesk, CompTIA, MongoDB, Fortinet, ISC2, MIT, and more. These certifications represent hundreds of hours of training and real-world experience, equipping me to handle complex IT challenges effectively. I'm also bilingual, with English proficiency at CEFR C2 level, making communication with international clients smooth and effortless. Despite being in the GMT +6 timezone, I maintain a flexible schedule to accommodate clients from over 80 countries worldwide. My U.S. clientele alone spans 38 states. I look forward to working with you! 🚀 Notes for my first-time clients: ☑️ I have undergone a thorough and rigid identity verification process to receive the blue verified badge. This makes me more trustworthy when dealing with confidential data. ⛔ I do not work through remote access software such as TeamViewer or AnyDesk. ⛔ I do not "Accept" contracts until verifiable login credentials are provided and verified.