Red Hat System Administration II

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Red Hat System Administration II (RH134) is the second course in the RHCSA track, designed for those who have completed RH124. It expands into advanced Linux administration topics: storage and logical volume management, automated installation, security, boot process control, job scheduling, system tuning, and container usage.

 

Duration 5 days – 35 hrs

 

Objectives

  • Install RHEL using Kickstart
  • Manage file systems and logical volumes (LVM)
  • Automate tasks with cron/at and scripts
  • Access and manage network file systems (NFS/SMB)
  • Configure and troubleshoot SELinux
  • Tune system performance (priority, tuning parameters)
  • Control firewalls and network access
  • Manage the boot process and system recovery
  • Deploy and manage containers using Podman

 

Audience

  • IT/sysadmins (Windows or Linux) seeking deeper Linux expertise
  • Administrators responsible for RHEL systems installation, upgrades, monitoring, automation, and troubleshooting

 

Pre- requisites 

  • Completion of RH124 – Red Hat System Administration I is strongly recommended
  • Experienced Linux admins may prefer RH199 – RHCSA Rapid Track

 

Course Content

Improve Command-Line Productivity

  • Review and use of shell features (command history, tab completion, aliases)
  • Shell scripting basics
  • File globbing and quoting
  • Managing shell variables

Schedule Future Tasks

  • Scheduling repetitive tasks with cron and crontab
  • Running one-time tasks using at
  • Monitoring and troubleshooting scheduled jobs

Analyze and Store Logs

  • Viewing system logs using journalctl
  • Filtering and saving journal entries
  • Understanding persistent vs. volatile journals
  • Rotating logs with logrotate

Archive and Transfer Files

  • Archiving files with tar, gzip, and bzip2
  • Transferring files using scp and rsync
  • Creating and extracting backups

Tune System Performance

  • Monitoring system performance using top, vmstat, iostat
  • Adjusting process priorities with nice and renice
  • Configuring kernel tuning parameters with sysctl

Control File Access with ACLs

  • Understanding standard Linux file permissions
  • Implementing Access Control Lists (ACLs)
  • Viewing and modifying ACLs using getfacl and setfacl

Manage SELinux Security

  • SELinux modes: enforcing, permissive, disabled
  • Understanding SELinux contexts
  • Using tools: semanage, restorecon, chcon, getsebool
  • Troubleshooting access denials using audit2why, audit2allow

Maintain Basic Storage

  • Creating partitions with parted and fdisk
  • Creating and mounting filesystems (ext4, xfs)
  • Configuring swap space
  • Automating mounts via /etc/fstab

Manage Logical Volumes (LVM)

  • Understanding LVM concepts: PV, VG, LV
  • Creating and extending volume groups
  • Resizing logical volumes and filesystems
  • Taking snapshots

Implement Advanced Storage Features

  • Creating and managing Stratis storage pools
  • Understanding and enabling VDO for deduplication and compression
  • Using stratis and vdo command-line tools

Access Network-Attached Storage

  • Mounting remote NFS shares
  • Configuring NFS clients
  • Optionally accessing SMB/CIFS shares
  • Persistent mount configuration

Control the Boot Process

  • Understanding the GRUB2 bootloader
  • Modifying kernel boot parameters
  • Using dracut to manage initramfs
  • Boot troubleshooting and emergency targets

Manage Network Security

  • Managing the firewall using firewalld
  • Adding and removing services and ports
  • Using zones and rich rules
  • Verifying active rules and services

Install Red Hat Enterprise Linux

  • Creating automated installation files with Kickstart
  • Generating and modifying Kickstart templates
  • Performing unattended installations
  • Post-installation configuration scripts

Run Containers

  • Introduction to containers and Podman
  • Creating, managing, and removing containers
  • Working with container images (pull, tag, remove)
  • Persisting container storage
  • Running containerized services

Comprehensive Review Lab

  • End-to-end system administration tasks
  • Real-world troubleshooting scenarios
  • Performance tuning and storage simulation
  • Security and container-based exercises

 

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  • Warehouse supervisors, team leaders, and managers.
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  • Logistics and distribution supervisors.
  • Internal auditors and operational compliance personnel.
  • Supply chain and operations professionals.
  • Personnel responsible for reviewing warehouse controls and performance.
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Course Outline

  Day 1: Warehouse Processes, Layout, and Storage Controls Module 1: Warehouse Operations and Process Controls  
  • Warehouse roles within the supply chain.
  • End-to-end flow: receiving, put-away, storage, replenishment, picking, packing, and dispatch.
  • Physical stock movement and corresponding system transactions.
  • Responsibilities, authorization, and segregation of duties.
  • Common operational weaknesses and audit evidence.
  Module 2: Warehouse Layout and Storage Systems  
  • Functional zones, movement paths, and space utilization.
  • Receiving, storage, picking, staging, and dispatch areas.
  • Storage options: floor stacking, shelving, pallet racking, and bin storage.
  • Fixed and dynamic location systems.
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  • Layout bottlenecks and their effects on productivity and inventory control.
  Module 3: Receiving and Put-Away  
  • Purchase orders, delivery documents, and expected receipts.
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  • Put-away rules and location confirmation.
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  • Timely recording of receipts and stock movements.
  Module 4: Storage, Stock Rotation, and Replenishment  
  • Storage discipline and location integrity.
  • FIFO and FEFO principles, applications, and limitations.
  • Batch, lot, and expiry-date management.
  • Controls for slow-moving, obsolete, damaged, and expired stock.
  • Replenishment of picking locations.
  • Supervision and review of stock rotation compliance.
    Day 2: Order Fulfillment and Inventory Accuracy Module 5: Picking Strategies and Order Fulfillment  
  • Discrete, batch, zone, and wave picking.
  • Selecting picking strategies for different order profiles.
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  • Picking verification and error prevention.
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  • Transaction controls for receipts, transfers, issues, returns, and adjustments.
  • Common causes of physical and system stock mismatches.
  • Barcode scanning and WMS control points.
  • Inventory reconciliation and supporting documentation.
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  • Cycle counting versus full physical inventory.
  • ABC classification and risk-based count priorities.
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  Module 8: Shrinkage Reduction and Inventory Protection  
  • Sources of shrinkage: loss, damage, theft, misplacement, and recording errors.
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  • Exception reporting and unusual transaction patterns.
  • Investigating recurring losses and unexplained adjustments.
  • Preventive and detective controls for shrinkage reduction.
    Day 3: Performance Management, Process Review, and Improvement Module 9: Warehouse Productivity and Inventory KPIs  
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  • Put-away productivity and replenishment performance.
  • Picking productivity and order accuracy.
  • Inventory accuracy and cycle count variance.
  • Space utilization and storage capacity.
  • Shrinkage, damage, and expiry indicators.
  • Defining KPI formulas, data sources, and reporting boundaries.
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      Module 10: Supervising and Auditing Warehouse Processes  
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  • Prioritizing corrective actions and tracking closure.
  Module 11: Warehouse Improvement Planning  
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  • Assigning improvement owners and measurable targets.
  • Monitoring results and sustaining operational improvements.
  Module 12: Capstone — Warehouse Operations and Inventory Improvement Plan  
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