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Need help with cPanel, Plesk, WordPress, server migration, malware cleanup or email issues? I have 9+ years of experience managing production Linux servers and resolving critical hosting problems quickly with minimal downtime. My role is to: * Linux - Troubleshooting various issues by checking logs - OS : CentOS, Debian, Ubuntu. * Hosting server - Harden dedicated server, node, vps for its best performance. * CMS - WordPress, Joomla, Drupal, Magento. * Virtualization - OpenVZ/Virtuozzo, VMware, Xen, KVM * Networking - To configure network, add/remove IP address * DNS - Bind/named, configure custom and registrar nameservers * VPN - OpenVPN, configuration of squid proxy servers * Firewalls - Iptables, CSF, APF * Web servers - Apache, Nginx (standalone), Nginx Admin, Lighttpd, Tomcat * E-mail servers - Exim, Postfix, Qmail, Courier- dovecot * Anti-spam/antivirus - ClamAV, Maldet, SpamAssassin * Bulk email marketing - DKIM & SPF, tweaking SpamAssassin * Automation - Experienced in bash/shell scripting * Monitoring Tools - Nagios, Zabbix, Pingdom My other skills are given below ================== Amazon Web Services (AWS) ================== - AWS EC2 Server setup - Management and troubleshooting - S3 Buckets - AWS Lightshail Server - AWS SES Email Setup (Configuration in Sendy) ================== Webhosting Control Panel ================== - cPanel/WHM, Plesk, Centos Webpanel, VestaCP, ZPanel, Kloxo, Webmin/Virtualmin, CyberPanel - Any free or paid control panel installation + Setup - cPanel installation and configuration - Server Hardening the security - Manage Linux server on monthly bases - Server Migration ================== WordPress ================== - WordPress Server Setup - WordPress Migration - WordPress Malware Removal - WordPress Virus Removal - WordPress Security - Import demo contents - WordPress Backup/Restore - WordPress and WHMCS integration ================== Linux Server Management ================== - Setup and manage AWS or Google Cloud Server/Google Cloud Platform - AWS, GCP, Digitalocean, Linode, Vultr, OVH, Contabo, 1and1, VPSDime, etc... - Godaddy, Hostgator, BlueHost, Siteground, Namecheap, etc.. - Linux ( RHEL, CentOS, Ubuntu,Debian ) - Database Administration (MySQL,PostgreSQL, MariaDB, MongoDB) - DNS Server (Bind, NSD, PowerDNS ) - Web Server (LAMP, LEMP) ==================

My extensive experience includes Microsoft 365 migration, Technical Support, Infrastructure Management, Cloud Computing, and Network/System Engineering. I am proficient in a wide range of products and technologies, including ✅ Migrate Microsoft 365 workloads such as Exchange Online, SharePoint Online, Teams, and OneDrive using Bittitan MigrationWiz. ✅ Microsoft 365 (Office 365) Tenant to Tenant migration (Email, Teams, OneDrive, and SharePoint) ✅ Google Workspace to Microsoft 365 migration ✅ Microsoft Exchange Server [All Versions] Exchange SE and Exchange Online ✅ Deploy and optimize Azure Virtual Desktop (AVD) ✅ Remote Desktop Services (RDS) ✅ Microsoft Windows Active Directory [All Versions] ✅ Microsoft Windows Server [All Versions], DNS, IIS ✅ Windows Server Remote Access VPN (SSTP, PPTP) and DirectAccess ✅ Hyper-V [All Versions] ✅ Microsoft Azure Backup Server (MABS) & Microsoft Azure Recovery Services (MARS) ✅ SharePoint [All Versions] ✅ Microsoft SQL [All Versions] ✅ Windows 7/8.1/10/11 . I hold several industry certificates, including Microsoft Certified for the following titles. ⚡️Microsoft® Certified Solutions Expert: Exchange Server ⚡️Microsoft® Certified: Azure Virtual Desktop Specialty ⚡️Microsoft® Certified: Azure Solutions Architect Expert ⚡️Microsoft® Certified Azure Administrator Associate ⚡️Microsoft® Certified Solutions Expert: Productivity ⚡️Microsoft® Certified Solutions Associate: Windows Server 2016 ⚡️Microsoft® 365 Certified: Teams Administrator Associate ⚡️Microsoft® Certified Solutions Associate: Office 365 ⚡️Microsoft® Certified Solutions Expert: SharePoint 2013 ⚡️Microsoft® Certified Solutions Associate, Windows Server 2012 ⚡️Microsoft® Certified IT Professional (MCITP) Enterprise Administrator: Windows Server 2008 If you're looking for a reliable and experienced Infrastructure and Cloud Solutions Architect who can deliver results, please don't hesitate to get in touch. I look forward to the opportunity to work with you. Key Points Over 20 years of experience as an Infrastructure and Cloud Solutions Architect with Microsoft Certified Solutions Expert (MCSE) credentials. Deliver high-quality technical solutions and support with a strong focus on long-term client relationships and continuous value. Full-time independent consultant passionate about helping businesses navigate the digital landscape. Open to short-term, long-term, and ad-hoc projects, offering tailored solutions based on individual client needs.

I am Hardeep Kumar, a dedicated Systems Engineer and DevOps Specialist with over 9 years of hands-on experience in open-source technologies and enterprise IT solutions. My expertise spans across Linux environments (Redhat, CentOS, Fedora Core, Ubuntu), advanced programming, web and cloud infrastructure, and automation. I believe in delivering solutions that are robust, efficient, and tested to ensure clients always receive the highest quality final product. I consistently go the extra mile to exceed client expectations—personally performing thorough bug testing before any deployment. My approach ensures you benefit from top-tier performance and stability in every project. I am passionate about leveraging automation and scripting to maximize efficiency, speed up delivery, and minimize errors. Core Competencies & Technical Skills: Operating Systems: Linux (Fedora Core, Ubuntu, Redhat, CentOS) Web & Application Servers: Apache Web Server, Apache Tomcat, NGINX Databases: PostgreSQL, MySQL, MongoDB Programming / Scripting: Bash/Shell scripting, Vi/Vim, Cron automation, SVN Cloud & Hosting Services: AWS (EC2, RDS, Elasticache, S3), Rackspace, Linode, Digital Ocean, Bluehost, GoDaddy Deep experience managing VPS and dedicated servers Email & Messaging: Digicert, Postmarkapp, Mailgun, Mandrill, Sendgrid, Fastmail, Gmail Version Control & Project Management: Github, Bitbucket, Trello Mail Servers & Security: Exim, Postfix, Dovecot Why Work With Me? Proven Experience: Over 9 years delivering top-notch solutions for clients worldwide. Open Source Champion: Deep involvement and expertise in Linux, server automation, and cloud infrastructure. Automation First: I create scripts and tools to optimize workflows, boost efficiency, and reduce manual errors. Security & Reliability: Your application is tested, hardened, and verified before delivery. Full Lifecycle Ownership: From development to deployment, maintenance to security audits—your systems are in capable hands.

Linux & Windows Server Administrator with more than 14 years of Experience. - Amazon, OVH, BlueHost Digital Ocean, Godday, Hostgator, Linode, Media Temple Google Cloud, Windows Azure, Alibaba, Shared and Dedicated hosting expert - Docker, bastion host, Kubernetes, Ansible - Apache, IIS, Nginx, Tomcat, Varnish, Mod_pagespeed - Control Panel: Cpanel, WHM, Plesk, Ensim, Webmin, Virtualmin, VestaCP, Vmware, Hyper-v. - OS: CentOS, Debian, RHEL, Ubuntu, Windows Server. - Mail Server: Exim, Postfix, Sendmail, PowerMTA, InterSpire, Sendgrid - Database: Mariadb, MySQL, SQL Server, PostGreSQL - DNS: Domain management, MX, CNAME, SPF, DKIM, TXT, Cloudflare, CDN firewalls - WebSite Setup, Optimization and Migration Support for Wordpress, Joomla, Net, Magento, Xcart, Opencart based websites - Experience with Chef, Puppet, Docker or similar applications - SSL Setup, Website Security, Server Hardening, Windows Linux Maintenance Troubleshooting, and Monitoring. And More.

✔️ Plex, IPTV, Emby, Jellyfin, Usenet Expert ✔️ Synology, TrueNAS, UnRaid, NAS, Proxmox, Openshift, Linux, Mac ✔️ Unity with PHP Multiplayer Game Development ✔️ Apache, NGINX, Varnish, Redis, Memcached, Postfix, Exim, MySQL, Postgres, MariaDB, DynamoDB, Redshift, Prometheus, Grafana ✔️ GCP, Microsoft Azure, AWS, Digital Ocean, Hetzner, Contabo, Cloudflare ✔️ SSO Expert- Authentik, LDAP, SAML, Keycloak ✔️ Proficient in Docker, Kubernetes, Helm, Terraform, Ansible ✔️ Expertise in Private DNS servers, DNS over TLS, DNS over HTTPS, Bind, DNSMasq, Unbound, etc ✔️ All Scripts/Forum Software installation and configuration ✔️ Troubleshooting Websites/servers (Linux) ✔️ Git implementation/integration with existing software flow, including CI-CD Pipeline ✔️ Domain Configuration, Management ✔️ Proficient in JAVA, PHP, PYTHON, SWIFT, KOTLIN. ✔️ Prepare for and carry out server migration. Site migration, Geo Restriction, Advanced Security ✔️ HestiaCP, Cloudflare, Tunneling, WHM, cPanel

✅ ABOUT ME: I am a Professional Full Time Freelancer. I have 9+ years of experience working on Windows/Linux server administration, CICD Devops ,AWS, Azure, windows/Linux troubleshooting, HyperV, proxmox servers, DNS records mapping, IIS, Domains and DNS records management, active directory, web server, webhosting, databases administrations and Mail server implementations, administrations for the mail services MS Office365, Gsuite, Zimbara and postfix . ✅ WHY ME? • Full-time Professional – I work on Upwork as a full-time freelancer. I take every project seriously and I am highly professional. • Highly responsive – I’ll always get back to you in less than 02 hours. • 100% Client satisfaction – I provide revisions and modifications even after our contract ends. • I provide accurate solutions and just as important, I can guide you to future prospects and put your project on the right track. • Good communication skills – You will find me very friendly to talk to. ========================================= #Windows Servers - clients #Linux Server - clients #Web servers - IIS, Apache, XAMPP, Nginx and Tomcat #Database Servers - MSSQL, ORACLE, MYSQL, MongoDB #Webhosting tools- Plesk, cPanel and CWP #Cloud services providers - AWS, Azure, GCP, Digital Ocean, World stream, OVH Cloud, Hetzner and Hosting raja #Hosting providers - Hostinger, Bluehost, Namecheap, Godaddy, Bigrock and Hostgator #Active Directory - setup, users creation, Centralized Management, policy creation and enhanced Security #Troubleshooting - L1, L2 Tools used ============== Github, SVN IIS,Apache,Tomcat,Nginx , Apache Kafka and Wordpress SSH, RDP, VNC, Anydesk, Splashtop and screen connect Mobaxterm,Toad,SSMS and Workbench Plesk,WHM,Cpanel Active Directory, IAM Servicenow, Redmine, Microsoft Teams and Slack Previous Clients Feedback: 1- "Karthik was an exceptional Upworker to deal with. He was responsive, communicative, knowledgeable and proactive at solving my urgent technical issue (my businesses website was down for an unknown reason) and I wouldn't hesitate to recommend him to anyone else seeking an excellent technical support specialist. Thank you Karthik!" 2- "Karthik went above and beyond to progress with a very difficult issue in a very short period of time. He is kind, hard-working, and knowledgeable." 3- "I recently had the pleasure of working with "Karthik Raja" on installing PMB Software project, and I must say it was an outstanding experience from start to finish. I highly recommend "Karthik Raja" to anyone seeking top-notch freelancing services." 4- "he provides ideas to solve our problems he is a best gem have ever met. He focused only in customer satisfaction. no negative reviews." So why wait? Just invite me to your job on Upwork so we can discuss how to make your project a success. Let’s work together and get it done!! Thanks, Karthik