* experience of linux operating systems rhel, centos, ubuntu and suse.
* experience on physical and virtual environment
* good knowledge of linux scripting languages bash, ansible, and cis
* experience in cluster configuration.
* good knowledge on upgrade, migration and patch of linux based operating systems.
* user management.
* experience in lvm, yum
* experience installing, configuring, and maintaining services such as sftp, ftp, mysql, ntp, nfs, samba etc.
* experience with virtualization technologies, such as vmware
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