Saikrishna Kalakoti

• Linux System Administrator with experience at Tata Consultancy Services, specializing in system management and optimization. Proven ability to enhance operational efficiency through effective troubleshooting and maintenance of Linux environments. Committed to advancing skills in cloud technologies and automation to drive organizational success.

• Experience in LVM operations like Creating, Modifying, and utilization of File Systems (FS).
  Having experience in file system cleanup (housekeeping).
  Experience in User creation, password issues, and assigning permissions.
  Installing packages using YUM and RPM.
  Experience on Scheduled reboots and Patching activities.
  Configure and share mount points through NFS on Servers.
  Knowledge of troubleshooting booting level issues.
  Experience in making Trusted authentication between the servers.
  Monitoring tickets on severity-based and managing queues.
  Applying a Sticky bit on Directories.
  Creation of Hard and Soft Links for file and directories.
  Experienced in creating & and resizing the File system.
  Cleaning up file systems, when it reaches the threshold value.
  Security and resource management like changing ownership, and permissions to users.
  Working on Incident & Change Management issues in Linux.
  Monitoring Linux server for CPU Utilization, Memory Utilization, and Disk Utilization.
  Coordinating with the DBA team and Application team to improve the system performance.
  Providing Sudo access to the Users.
  Experience in patching Activities like kernel upgrading and scheduled reboots.
  Knowledge of troubleshooting user-related issues.
  Installing/Updating/Deleting packages using YUM as per user's requirement.
  Server build and decommission of servers.
  Adding ASM disks as per application and DB team request.
  Renewal of SSL cert for servers.
  Worked on QFS patching for EXALOGIC and EXADATA.
  Involving Manual patching for DB servers.
  Good knowledge of Yaml script for Configuration Management tool (Ansible).
  Experience in doing user module on various servers through Ansible playbooks.
  Having experience in installing packages and starting the services through Ansible playbooks.
  Knowledge of using multiple Ansible modules and loops running a playbook.

I do hereby declare that all the information given above is true to the best of my knowledge and

belief.