GL848 - Custom Linux Systems Administration

Course Description
Prerequisites:
Course Prerequisites
Supported Distributions:
Red Hat Enterprise Linux 7
Course Outline:
  1. Systemd Overview
    1. System Boot Method Overview
    2. systemd System and Service Manager
    3. Modifying systemd services
    4. Systemd Service Sandboxing Features
    5. systemd Targets
    6. Using systemd
    7. Linux Runlevels Aliases
    8. Legacy Support for SysV init
    Lab Tasks
    1. Managing Services With Systemd's systemctl
    2. Creating a systemd unit file
  2. Managing Software
    1. Downloading with FTP
    2. FTP
    3. lftp
    4. Command Line Internet – Non-interactive
    5. Command Line Internet – Interactive
    6. Managing Software Dependencies
    7. Using the Yum command
    8. Using Yum history
    9. Yum package groups
    10. Configuring Yum
    11. yumdownloader
    12. Popular Yum Repositories
    Lab Tasks
    1. Command Line File Transfers
    2. Using Yum
    3. Managing Yum Repositories
  3. Software Maintenance
    1. Managing Software
    2. RPM Features
    3. RPM Architecture
    4. RPM Package Files
    5. Working With RPMs
    6. Querying and Verifying with RPM
    7. Updating the Kernel RPM
    8. Dealing With RPM & Yum Digest Changes
    9. Yum Plugins & RHN Subscription Manager
    10. Yum Version Lock Plugin
    11. Yum Repositories
    12. Yum Repository Groups
    13. Compiling/Installing from Source
    14. Manually Installed Shared Libraries
    15. Rebuilding Source RPM Packages
    Lab Tasks
    1. Managing Software with RPM
    2. Creating a Custom RPM Repository
    3. Querying the RPM Database
    4. Installing Software via RPM & Source and Rebuilding SRPMs
    5. Troubleshooting Practice: Package Management
  4. Local Storage Administration
    1. Partitioning Disks with fdisk & gdisk
    2. Resizing a GPT Partition with gdisk
    3. Partitioning Disks with parted
    4. Non-Interactive Disk Partitioning with sfdisk
    5. Filesystem Creation
    6. Persistent Block Devices
    7. Mounting Filesystems
    8. Resizing Filesystems
    9. Filesystem Maintenance
    10. Managing an XFS Filesystem
    11. Swap
    12. Filesystem Structures
    13. Determining Disk Usage With df and du
    14. Configuring Disk Quotas
    15. Setting Quotas
    16. Viewing and Monitoring Quotas
    17. Filesystem Attributes
    Lab Tasks
    1. Creating and Managing Filesystems
    2. Hot Adding Swap
    3. Setting User Quotas
  5. LVM & RAID
    1. Logical Volume Management
    2. Implementing LVM
    3. Creating Logical Volumes
    4. Activating LVM VGs
    5. Exporting and Importing a VG
    6. Examining LVM Components
    7. Changing LVM Components
    8. Advanced LVM Overview
    9. Advanced LVM: Components & Object Tags
    10. Advanced LVM: Automated Storage Tiering
    11. Advanced LVM: Thin Provisioning
    12. Advanced LVM: Striping & Mirroring
    13. Advanced LVM: RAID Volumes
    14. RAID Concepts
    15. Array Creation with mdadm
    16. Software RAID Monitoring
    17. Software RAID Control and Display
    Lab Tasks
    1. Creating and Managing LVM Volumes
    2. Creating LVM Thin Volumes
    3. Troubleshooting Practice: LVM
    4. Creating and Managing a RAID-5 Array
  6. Remote Storage Administration
    1. Remote Storage Overview
    2. Remote Filesystem Protocols
    3. Remote Block Device Protocols
    4. File Sharing via NFS
    5. NFSv4+
    6. NFS Clients
    7. NFS Server Configuration
    8. Implementing NFSv4
    9. AutoFS
    10. AutoFS Configuration
    11. Accessing Windows/Samba Shares from Linux
    12. SAN Multipathing
    13. Multipath Configuration
    14. Multipathing Best Practices
    15. iSCSI Architecture
    16. Open-iSCSI Initiator Implementation
    17. iSCSI Initiator Discovery
    18. iSCSI Initiator Node Administration
    19. Mounting iSCSI Targets at Boot
    20. iSCSI Multipathing Considerations
    Lab Tasks
    1. Using autofs
    2. NFS Server Configuration
    3. iSCSI Initiator Configuration
    4. Multipathing with iSCSI
  7. Basic Networking
    1. IPv4 Fundamentals
    2. TCP/UDP Fundamentals
    3. Linux Network Interfaces
    4. Ethernet Hardware Tools
    5. Network Configuration with ip Command
    6. Configuring Routing Tables
    7. IP to MAC Address Mapping with ARP
    8. Starting and Stopping Interfaces
    9. NetworkManager
    10. DNS Clients
    11. DHCP Clients
    12. Network Diagnostics
    13. Information from ss and netstat
    14. Hardware and System Clock
    15. Managing Network-Wide Time
    16. Continual Time Sync with NTP
    17. Configuring NTP Clients
    18. Useful NTP Commands
    Lab Tasks
    1. Network Discovery
    2. Basic Client Networking
    3. NTP Client Configuration
  8. Advanced Networking
    1. Multiple IP Addresses
    2. Configuring a DHCP server
    3. IPv6
    4. Interface Aggregation
    5. Interface Bonding
    6. Network Teaming
    7. Interface Bridging
    8. 802.1q VLANS
    9. Tuning Kernel Network Settings
    Lab Tasks
    1. Multiple IP Addresses Per Network Interface
    2. Configuring IPv6
    3. Troubleshooting Practice: Networking
  1. Text Editing
    1. Text Editing
    2. Pico/GNU Nano
    3. Pico/Nano Interface
    4. Nano configuration
    5. Pico/Nano Shortcuts
    6. vi and Vim
    7. Learning Vim
    8. Basic vi
    9. Intermediate vi
    Lab Tasks
    1. Text Editing with Nano
    2. Text Editing with Vim
  2. Manage Virtual Machines
    1. Virtualization: What and Why?
    2. Introducing libvirt
    3. libvirt: Basic Concepts
    4. libvirt: Storage Architecture
    5. libvirt: Network Architecture
    6. libvirt: Graphical Tools
    7. libvirt: Command Line Tools
    8. virsh: Basics
    9. virsh: Common Tasks
    10. virt-install
    11. Virtual Machine Guest Tools & Drivers
    12. libguestfs and guestfish
    Lab Tasks
    1. Installing a Virtual Machine
  3. Log File Administration
    1. System Logging
    2. systemd Journal
    3. systemd Journal's journalctl
    4. Secure Logging with Journal's Log Sealing
    5. gnome-system-log
    6. Rsyslog
    7. /etc/rsyslog.conf
    8. Log Management
    9. Log Anomaly Detector
    10. Sending logs from the shell
    Lab Tasks
    1. Using the systemd Journal
    2. Setting up a Full Debug Logfile
    3. Remote Syslog Configuration
    4. Remote Rsyslog TLS Configuration
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