Expertise

Unix/Linux Administration and Technical Support

As part of our Linux/Unix administration services, we provide a range of support services for Red Hat, CentOS, Sun Solaris, and HP-UX based operating systems. We monitor infrastructure and provide offshore support. Services often include troubleshooting network and server issues for clients running mission-critical applications on Linux Servers, such as audio-video streams to text. Responsibility for support during overnight hours is also a Neova specialty.

System and Network Monitoring Activities

• Daily system health check, including disk space and memory usage analysis, CPU load etc.
• User creation, password and group policies management
• Application monitoring and management
• Backups and restores (dump/tarball) to disks, tape, shared storage
• Maintain system logs
• Generate customized reports (CSV etc.) using shell scripts
• Produce documentation
• Management of standard Unix services--Solaris SMF etc.
• Responding to system/application alerts while maintaining the SLA OS fine-tuning, optimization and hardening
• Network monitoring and management with SNMP tools (Nagios, Cacti, OpenNMS)
• OS installation on various hardware, and architecture per business requirements
• Storage implementation (SCSI,SAN/NAS, NFS, iSCSI, RAID) and capacity planning
• Open source storage management tools (e.g., LVM, Openfiler); proprietary Sun Volume Manager Administration
• Filesystem support for ext2/ext3/ext4, ufs etc.
• Cluster file system implementation and support for OCFS2 on Linux servers
• Software installation and diverse package management (RPM, SRPM, PKG, tar etc.)
• OS upgrade and patch management

Databases

• Oracle database installation and deployment on Linux/Unix systems
• MySQL database installation in Master/Slave, cluster architecture
• Performance tuning and optimization for SGA, memory, kernel parameters etc.
• Hot and cold backup of Oracle
• Logical backup of Oracle/MySQL