Pullarao Pantangi Email & Phone Number

Hyderabad, Telangana, India

Hyderabad, Telangana, India

Bengaluru Area, India

Working for a German-based European multinational software corporation that makes enterprise software tomanage business operations and customer relations. As part of Cloud Infrastructure Services, providing supportfor servers installed at their data centers across the world.• Responsible for maintaining the uptime for critical servers and instrumental in on-time delivery of vitalprojects.• Hands-on deployment, configuration, customization, and integration with Virtual machines and administrationof Redhat and SUSE Linux systems.• Troubleshooting ESXi hosts hardware issues and BIOS Upgrades.• Hands-on VMware ESXi Hosting Building, decommissioning and Patching, OVF Deployments andConfiguring.• Automating System administration tasks using shell scripting.• Patching Redhat and SUSE Linux servers periodically using Blade Logic Software.• Incident, Request and Change Management based on ITIL Practices.• Troubleshooting application team issues based on Linux environments.• Building Physical and Virtual Linux Server (Redhat and SUSE) and Decommissioning.

Bengaluru, Karnataka, India

• Installation, troubleshooting and maintaining of Linux Servers• Creating new users, groups according to requirement.• Giving file permissions to the users, giving special permissions using SUID/SGID and Sticky bit.• Implementing ACLs and changing permissions& ownership for files and Directories• Managing the Disks and File systems using LVM by creating physical volume, Assigning physical volumes to volume groups, Create logical volumes from volume groups, Resizing logical volumes.• Configuring VXVM and managing the volumes.• Initializing the disks, Creating disk groups, Plexes, Volumes using Veritas Volume Manager.• Configuring the volume in different Raid levels and converting Volume layout from one raid level to the other in online.• Experienced in configuring Kickstart to initiate installation of Red Hat Linux on several machines at once.• Creating and managing swap.• Package Administration using RPM and YUM.• Taking backup of required configuration files, disks and restoring them.• Good experience on Root password recovery.• Installing and configuring services like SSH, NFS, FTP, and Samba.• Experience in configuring the Nfs client for file sharing from the server.• Scheduling the jobs by automation through crontab.• Good experience on managing the Virtual memory, Managing Swap Space, Disk utilization and CPU utilization.• Coordinating with the vendor for hardware replacement or upgrade.• Coordinating with the teams during patch works and other requirements.• Solving the issues based on ITIL process.• Experience in managing Redhat clusters, adding node, removing, managing services, upgrading servicers in cluster using conga and ccs. • Configuring Raid 0 (stripe and concatenation), Raid1,Raid 5 for disk and data management using VERITAS Volume manager.• Creating, Resizing, Importing, Deporting of Disk groups, Restarting & Removing the Volumes, Creating, mounting, of VERITAS file systems.