Indian Institute of Technology Bombay


	Ranjithkumar Rajendran Technical Superintendent Department of Computer Science and Engineering Indian Institute of Technology Bombay	Education Roles and Responsibility Technical Skills Mtech RAs Interests and Activities Contact

Education / Certification

B.Tech in Information Technology.
Red Hat Certified Engineer(RHCE).
Information Technology Infrastructure Library(ITIL) v3 Foundation Certified.

Roles and Responsibility

Managing the following IT infrastructures of CSE department
Server infrastructure - Managing 20 physical servers that are used for providing services like mail,dns,ldap,web server, nfs, dhcp, proxy, puppet, nagios, git, svn, bugzilla, login server, nas box, network installtion server, backup and test servers. Most of the services are running as virtual machine on these physical servers.
Network infrastructure - CSE department owns 2 buildings(kresit and AR). We have 2 routers(connecting to the IITB network), 60 managed access switches which help in providing networking in these two buildings.
Lab infrastructure - We have 4 Software labs to be used for conducting course related labs, exams, workshops, placement activities and other events. The total number of machines in all these labs is around 450 and updated with latest ubuntu linux and with required software packages.
Creating iitb & cse ldap accounts and activating email access for new users
Creating mailing list/aliases and updating these as per requirement.
To analyse the mail logs to debug the mail related issues using various linux commands
Adding proxypass entries on cse web server for redirecting urls to internal addresses.
Adding dns entries for resolving cse domain names.
Managing software configuration via puppet server.
Conducting weekly meetings and assigning tasks to Sysad Mtech RAs.
Solving mail related issues like non delivery of emails, whitelist the ip to send emails, roundcube/squirrelmail login issues and setting up of email clients like thunderbird,pine, etc..
Solving issues related to network(both wired and wireless) in cse buildings.
Documenting the procedure(installation/configuration) of all cse services.

Techincal Skills

Remote installation of Linux OS using NFS, FTP, HTTP, PXE, KIKSTART
Deploy, manage and cloning using FOG
Installation of Softwares by yum,apt and managing softwares remotely using puppet
Users and Groups Administration
Disk Management using Software RAID, LVM and Disk Quota
File servers using FTP, NFS, SAMBA
Proxy server using squid
Web Servers apache, apache tomcat, nginx
Authentication Server LDAP
Mail server using postfix and dovecot
DNS Server using tinydns and dnscache
Version control system like svn, git.
Controlling the server UPS using apcupsd and performing an orderly shutdown of servers.
Virtualization using kvm and managed by proxmox & virt-manager
Writing shell scripts to automate the tasks.
Managing storage servers like Synology NAS and freenas.
Monitoring the Remote Linux servers using nagios, munin.
Monitoring the network switches using MRTG graphs.

Mtech RAs

2010: Nimit D. Kalaria, Kaustubh keskar, Swapnil Ghuge, Harsh Vardhan, Vijaykumar AGNIHOTRI
2011: Nikhil Patil, Souvik Pal, Ankut Aher, Choudhari Jyotesh
2012: Arun Mathew, Pai Neeraj Nityanand
2013: Murukesh Mohanan, Priyanka Sawant, Sushant, Indrajit Banerjee, Gaikwad Pankaj, Ravi Shankar
2014: Kurien Zacharia, Paresh Zanzarukiya, Jigar Mistry, Ankith M S, Asif Ali, Anubhav Sharma, Vivek Punia
2015: Ankit Rokde, Ajay kedare, Abhishek Ghogare, Sourav Kumar Bose
2016: Vineet Singh, Abhishek Bagade, Nidhi Singh, Jagadeesha
2017: Gaurav Jindal, Sukrit Bhatnagar, Suraj Singh, Megha Agarwal
2018: Alakshendra Singh Yadav, Anand Chandrakant Pisal, NilanjanDaw, Sahil Patki
2019: Rajershi Gupta, Himanshu Aswal, Pranav Chaudhary, Shailendra Kirtikar
2020: Abhijeet Pratap Singh, Aditya Pradhan, Nilesh Kshirsagar, Rajiv Vaidyanathan Natarajan
2021: Arnav Aviraj, Ayush Singh, Jaiminkumar Nareshbhai, Ritapravo
2022: Darshit Bimal, Osim, Shamik Kumar
2023: Akanksha, Akshit Rameshbhai, Chaitra Sandeep, Jay Jagdishbhai

Interests and Activities

Unix/Linux Shell Scripting.
OpenSource Operating Systems , Networking and Database.
Virtualization and Cloud Computing.

Contact

Email: ranjith [at] cse.iitb.ac.in
URL: https://www.cse.iitb.ac.in/~ranjith
Office: Room 218, New cse building, Department of Computer Science and Engineering, IIT Bombay, Powai, Mumbai - 400076.

IIT Bombay | CSE | SYSTEMS.CSE |