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Biosketch
Mr. Ranjithkumar R joined IIT Palakkad as a Technical Officer in June 2025. Prior to this, he served at IIT Bombay for over 15 years, where he managed the IT infrastructure of the Department of Computer Science and Engineering.
He has extensive experience in Linux system administration and data center management. His areas of expertise include managing services such as email servers, web servers, DNS, NFS, LDAP, DHCP, and databases. He is proficient in virtualization platforms like Proxmox, configuration management using Ansible, task automation with shell scripting, and system monitoring with Zabbix.
He is currently part of the Centre for Education Technology (CET) team, which serves as the central unit responsible for planning, deploying, and maintaining the institute’s computing and network infrastructure.
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Additional Information
TitleTechnical Expertise and ExperienceDescription
Mr. Ranjithkumar R has over 15 years of experience in managing IT infrastructure in academic environments, with expertise in system administration, automation, virtualization, and data center operations. His technical skills include:
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Automated Linux OS Deployment via PXE and FOG server
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Software installation using YUM, APT, and centralized management through Ansible
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User and group administration, permission handling, and access control
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Disk management using Software RAID, LVM, and Disk Quota
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Configuration and management of file servers using FTP, NFS, and Samba
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Setup of proxy servers using Squid
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Web server administration with Apache and Nginx
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LDAP-based authentication server configuration and client integration using OpenLDAP
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Mail server setup using Postfix and Dovecot
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DNS server deployment using tinydns and dnscache
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Server UPS integration using apcupsd for orderly shutdown procedures
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Virtualization with KVM, managed via Proxmox and virt-manager
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Writing Bash shell scripts to automate system tasks and improve efficiency
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Remote Linux server monitoring using Zabbix, including alert configuration
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Network infrastructure management, including Layer 2/3 switch configuration, VLANs, and Wi-Fi access points
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Conducting and securing Linux-based lab exams using network isolation and automated distribution
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Applying server hardening techniques, firewall configurations using iptables, and using fail2ban for intrusion prevention
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Scheduling and managing backups using tools like rsync
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