Linux System Administrator
Current• Installed, configured, and maintained services such as DNS, DHCP, NFS, Apache Web Server, Samba, SSH, RPM and YUM Repository.• Using Ansible tools for managing all linux servers • Worked with DBA's, Networking Team, and Developers to resolve their daily issues. • Performed standard system administration tasks such as troubleshooting and problem resolution, patching, installing packages using rpm, apt and yum, drivers, software and hardware upgrades. • Managed disks and file systems using LVM. • Administered PRTG and Zabbix monitoring tools for servers monitoring and incident alerts. • Monitored performance of servers using tools such as htop, top, free, traceroute, etc. • Monitored and maintained the disk space and backup systems, and implemented change controls, capacity planning and growth projections on the systems. • Performed troubleshooting existing user accounts, security objects and authorizations to resolve security conflicts by creating sudo rules, supporting users, setting up new accounts and password resets. • Configuring distributed file systems and administering NFS server and NFS clients and editing auto-mounting mapping as per system/user requirements. Creating, troubleshooting and mounting NFS File systems on different OS platforms.