illumos development

Nexenta Kernel, Installation/Deployment development,Software Tools Build.Developing NexentaStor kernel diagnostic software (FMA, IPMI) and installer/tools.Developing, Maintaining and Supporting Nexenta SVR4/DEB/IPS packages.Designed, configured, and administered complete image and deployment process of NexentaStor.Participate in product development in all stages from planning and design to development and testing.Performed system configuration, testing, debugging, troubleshooting and performance reviews.Working on developing and enhancing build scripts and tools to improve the efficiency of the development and its build process.Regular builds, monitoring cron jobs, running test builds and reporting status.

Creator and the lead developer of MilaX, OpenSolaris-based minimal distribution.Developer at Caiman OpenSolaris installation project.

Solaris/Linux development and administrationPlanned, configured, and administered Solaris 8/9/10 servers and DNS/Mail environment. Managed local and remote administration, configured NFS to support the client-server environment, set up and configured AutoFS file systems to provide support to development team. Configured Hardware and Software RAID on Sun Servers.Created file system in VERITAS FS/VM.Resolved inherited DNS instability, network misconfiguration, and deployed a Solaris cluster. Created and maintained file system, executed security and printer configuration and realized TCP/IP addressing. Setting up Jump Start for remote installation of Solaris.Analyzed and troubleshoots bottlenecks involving Memory, CPU, and Devices and Network using ps, vmstat, iostat, netstat, snoop and nfsstat command, tuning the performance.Prepared Backup Schedule for Incremental and Cumulative Backups. Developed shell / perl scripts to automate everyday tasks, solve common issues, and audit the environments.Administered Red Hat/Debian servers.Developed diskless Linux touchscreen clients.

OpenSolaris-based distribution development

Unix System administrationPerformed system administration of UNIX servers by using Operating Systems of Solaris 7/8.Installed patches and other software packages for Solaris and Linux.

Unix and Linux administrationResolved internal customer issues with email, user workstations, and server issues.