Linux System Administrator
cybage software
Total years of experience :11 years, 6 Months
OEL operating system support.
Manage Cisco UCS systems.
Create UCS service profile.
Responsible for Linux server installation and configuration on Physical and Virtual machines.
VMware support, Vmotion, Svmotion, DRS, Affinity Rules.
Partial storage, Veritas NetBackup support.
Ability to provide the root cause analysis on the major incidents/problems
Client communication.
Manage Chef Automation tool.
Creating change as per client service request, taking QA’d Approvals for change
Managing internal and external DNS server record addition and deletion
Installation/Kernel updation or client patching on Red hat servers as client required.
Expert level hands on experience on Red hat Enterprise Linux and L2 level on VMware Operating System administration and troubleshooting.
NIS, NFS, FTP, SAMBA, IPTABLES, DNS and DHCP administration
Good knowledge about the Virtualization and Cluster
To carry out the scheduled activities like Patch management, Log file rotation, Security, Server Hardening, etc.
Monitored the performance of the system using top, ps, vmstat, netstat and cpuinfo to
Security implementation by using ACL's & special file permissions.
Create Hard & Soft Links
Package management with RPM, YUM
Check the server's resource utilization
Publishing the Incident notification, Reports and Daily dash boards and SLA Breach
Server Decommission as per the client request.
Creating change as per client request
Taking change approval in cab meeting
File system management
Securing UNIX boxes from the Vulnerability point of view.
Work on EMC power path
Experience in Storage, RAID and LVM Management
Independent problem solving; self-directed, ability to lead, minimum supervision
Installing, configuring, and maintaining Linux servers including FTP, SSH, NFS SENDMAIL, DHCP, DNS., NIS, SAMBA, WEBSERVER, PROXY, PFSENSE Firewall, & LDAP
User & group Administration
Access Control Lists (ACL’s)
Backup & Restoration by using tar
Create Hard & Soft Links
Giving access privileges to users
Handling user’s issues on call/demand
Working on OTRS Ticketing System
Process monitoring.
Installed and Working on Nagios system performed regular system and network monitor
Installed, configured and upgraded Red Hat Enterprise Centos, Fedora Ubuntu etc
Provided Technical supports for internal users and resolved trouble shooting
Scheduled cron jobs for job automation
Taking a checklist for Daily Basis (Servers, Network, Backup, Application)
Weekly server activity like clearing security logs, checking the disk space
Installing software and upgrades to ensure work is performed as per the company policy
Having good experience in OS installation and troubleshooting
Monitoring the health and stability of Linux System environments
Implement and maintain server virtualization using XEN & KVM
Diagnosed and resolved problems associated with DNS, DHCP, and Apache
Configure Kick start installation with NFS, HTTP, FTP
Firewall configuration: iptables
Configure LVM & RAID
Package management with RPM, YUM
Configure Think Client on Centos & Ubuntu
User account management creation, deletion and assigning permission
Monitored the performance of the system using top, ps, vmstat, netstat and cpuinfo to
check the server's resource utilization
Taking snapshot of virtual machine
Installing vmtool in virtual machine
Troubleshooting and Configuration of SSH, TELNET, FTP and NFS in RHEL5 and Centos
Publishing the Incident notification, Reports and Daily dash boards and SLA Breach
analysis to the management
Managed Virtualization Environment using VM Ware ESXI 5.5, 6.0.
Install & Configure ESXI
Creating and Managing Virtual Machines and Templates
Organize tasks, events and Configuring alarms
Installation - Installation of OS
User & group Administration
Access Control Lists (ACL’s)
Backup & Restoration by using tar
Provided technical support for end-user customers, diagnosed and resolved problems associated with network connection
Manage vendors for procuring and repairing hardware.
Installing, configuring, and maintaining Linux servers including FTP, Mail server NFS, DHCP, DNS, NIS, Samba,
Hardware parts replacement, Upading drivers for new hardware parts
Computer Management
Commerce
commerce
SSC