What's included

• System Installation and Configuration

  Deploy and configure Linux servers (RHEL, Ubuntu, CentOS, etc.); Set up system services (DNS, DHCP, FTP, NFS, SSH, etc.); Configure network settings, firewalls, and security policies.

• System Maintenance & Updates

  Regularly apply OS updates, patches, and security fixes; Manage kernel updates, package installations, and system tuning; Perform disk space management and filesystem optimizations.

• User & Access Management

  Create, modify, and manage user accounts, groups, and permissions; Implement authentication mechanisms (LDAP, Active Directory, PAM, FreeIPA, etc.); Enforce security policies, sudo privileges, and access controls.

• Performance Monitoring & Optimization

  Use tools like top, htop, iostat, vmstat, and sar for performance analysis; Optimize CPU, memory, disk I/O, and network utilization; Tune system parameters for better stability and responsiveness.

• Backup & Disaster Recovery

  Configure backup strategies using tools like Veeam, Bacula, or Rsync; Perform regular data backups, recovery tests, and disaster recovery planning; Ensure critical data integrity and business continuity.