AIX / LINUX /AWS / AXUREInstallation, configuration and system administration of AIX 5.X, 6.X and AIX 7.X using NIM. Performing User Administration Tasks.Space management of Disk and File Systems.Logical volume management (LVM).Mirroring rootvg in production environment.Creating File Systems on DemandScheduling jobs through Cron Tab.Memory related performance Issues like increasing or decreasing Paging Space.Monitoring system errors and troubleshoot system problems.Upgraded TL (Technology Level) to many production and development servers.Fixing NFS issue and mounting NFS request in day to day basis.System performance monitoring.Alternative disk (clone) installation and configuration.Expert hands on package installation, file sets. Patch management, server upgrades.NFS server and client configuration as per requirement.Raising calls to IBM Support for hardware and software related problems.POWER HA:Bringing up resource group online.Performing quarterly maintenance window failover.Increasing File system through C-spoc and command line Troubleshooting failover and fall back issues.Checking HACMP logs. POWER VM:Rebooting and managing LPAR’S via HMC.Troubleshooting LPAR and VIO issues.Use the HMCto configure and activate logical partitions.SEA failover test at initial configuration,Mirroring rootvg in VIO environment.Upgrading VIO by using alt_disk.