Enterprise Linux Systems Admin – LNX205 – 5 Days
In this Enterprise Linux Systems Administration training course students will explore installation, configuration and maintenance of Linux systems. This is an in-depth 5 day Enterprise Linux Systems Administration class that can be delivered online, online or in our Denver training facility. The Linux Systems Administration course focuses on issues universal to every workstation and server. This course material is designed to provide extensive hands-on learning experience. Topics include: installation and configuration; the boot process; user and group administration; file system administration, including quotas, FACLs, RAID and LVM, task automation, client networking, SELinux, software management, log files and troubleshooting.
Enterprise Linux Systems Administration – LNX205 – 5 Days Request a Class Date
In this Enterprise Linux Systems Administration training course, students will explore installation, configuration and maintenance of Linux systems. This is an in-depth 5 day Enterprise Linux Systems Administration class that can be delivered online, online or in our Denver training facility. The Linux Systems Administration course focuses on issues universal to every workstation and server. This course material is designed to provide extensive hands-on learning experience. Topics include: installation and configuration; the boot process; user and group administration; file system administration, including quotas, FACLs, RAID and LVM, task automation, client networking, SELinux, software management, log files and troubleshooting.
Course ID: LNX205 Duration: 5 days
Audience: Students should be very comfortable working in a Linux or UNIX environment.
Prerequisites: An understanding of network concepts, and the TCP/IP protocol suite is helpful.
Enterprise Linux Systems Administration Course Topics
- Hardware Discovery Tools
- Configuring New Hardware with hwinfo
- Hardware and System Clock
- Console
- Virtual Terminals
- Serial Ports
- SCSI Devices
- USB Devices
- USB Configuration
- Common UNIX Printing System
- Defining a Printer
- Managing Optical Media
- Tape Libraries
- Managing Linux Device Files
- Kernel Hardware Info – /sys/
- /sys/ Structure
- udev
- Kernel Modules
- Configuring Kernel Components and
Modules - Handling Module Dependencies
- Configuring the Kernel via /proc/
Boot Process and SYSV INIT
- Booting Linux on PCs
- GRUB Configuration
- Boot Parameters
- Initial ramdisk
- /sbin/init
- System Init Styles
- Linux Runlevels
- /etc/inittab
- /etc/rc.d/rc.sysinit
- SUSE /etc/init.d/boot
- Runlevel Implementation
- System Configuration Files
- RHEL6 Configuration Utilities
- SLES11 Configuration Utilities
- Typical SysV Init Script
- The /etc/rc.local File
- The /etc/init.d/*.local Files
- Managing Daemons
- Controlling Service Startup
- Shutdown and Reboot
Software Maintenance
- Managing Software
- RPM Features
- RPM Architecture
- RPM Package Files
- Working with RPMs
- Querying and Verifying with rpm
- Updating the Kernel RPM
- Dealing with RPM & YUM
- Digest Changes
- YUM Plugins
- YUM Repositories
- Compiling/Installing from
- Source
- Enterprise Linux Systems
- Administratio
- Manually Installed Shared Libraries
- Installing Source RPM Packages
FileSystem Administraton
- Partitioning Disks with fdisk
- Partitioning Disks with parted
- Filesystem Creation
- Mounting Filesystems
- Filesystem Maintenance
- Persistent Block Devices
- Resizing Filesystems
- Swap
- Filesystem Structures
- Determining Disk Usage With df and du
- Configuring Disk Quotas
- Setting Quotas
- Viewing and Monitoring Quotas
- Filesystem Attributes
- Backup Software
LVM & RAID
- Logical Volume Management
- Implementing LVM
- Creating Logical Volumes
- Manipulating VGs & LVs
- Advanced LVM Concepts
- system-config-lvm
- SLES Graphical Disk Tool
- RAID Concepts
- Array Creation with mdadm
- Software RAID Monitoring
- Software RAID Control and Display
Remote Storage Administration
- Remote Storage Overview
- Remote Filesystem Protocols
- Remote Block Device Protocols
- File Sharing via NFS
- NFSv4
- NFS Clients
- NFS Server Configuration
- Implementing NFSv4
- AutoFS
- AutoFS Configuration
- Accessing Windows/Samba Shares from
- Linux
- SAN Multipathing
- Multipath Configuration
- Multipathing Best Practices
- iSCSI Architecture
- Open-iSCSI Initiator
- Implementation
- iSCSI Initiator Discovery
- iSCSI Initiator Node
- Administration
- Mounting iSCSI Targets at Boot
- iSCSI Multipathing
- Considerations
User/Group Administration
- User and Group Concepts
- User Administration
- Modifying Accounts
- Group Administration
- Password Aging
- Default User Files
- Controlling Logins
- Manual DS Client Configuration
- system-config-authentication
- SLES Graphical DS Client
- Configuration
- System Security Services
- Daemon (SSSD)
Pluggable Authentication
- Modules (PAM)
- PAM Overview
- PAM Module Types
- PAM Order of Processing
- PAM Control Statements
- PAM Modules
- pam_unix
- pam_nologin.so
- pam_limits.so
- pam_wheel.so
- pam_xauth.so
Security Administration
- Security Concepts
- Tightening Default Security
- SuSE Security Checker
- Security Advisories
- File Access Control Lists
- Manipulating FACLs
- Viewing FACLs
- Backing Up FACLs
- File Creation Permissions with
umask - User Private Group Scheme
- Alternatives to UPG
- AppArmor
- SELinux Security Framework
- SELinux Modes
- SELinux Commands
- Choosing an SELinux Policy
- SELinux Booleans
- Permissive Domains
- SELinux Policy Tools
- Basic Firewall Activation
Basic Networking
- IPv4 Fundamentals
- TCP/UDP Fundamentals
- Linux Network Interfaces
- Ethernet Hardware Tools
- Network Configuration with ip
- Command
- Configuring Routing Tables
- IP to MAC Address Mapping with ARP
- Starting and Stopping Interfaces
- NetworkManager
- DNS Clients
- DHCP Clients
- system-config-network{tui,cmd}
- SUSE YaST Network Configuration
- Tool
- Network Diagnostics
- Information from netstat and ss
- Managing Network-Wide Time
- Continual Time Sync with NTP
- Configuring NTP Clients
- Useful NTP Commands
Advanced Networking
- Multiple IP Addresses
- Configuring a DHCP server
- Enabling IPv6
- Interface Bonding
- Interface Bridging
- 802.1q VLANS
- Tuning Kernel Network Settings
- Log File Administration
- System Logging
- Syslog-ng
- Rsyslog
- /etc/rsyslog.conf
- Log Management
- Log Anomaly Detector
Monitoring & Troubleshooting
- System Status – Memory
- System Status – I/O
- System Status – CPU
- Performance Trending with sar
- Troubleshooting Basics: The
- Process
- Troubleshooting Basics: The
- Tools
- strace and ltrace
- Common Problems
- Troubleshooting Incorrect File
- Permissions
- Inability to Boot
- Typos in Configuration Files
- Corrupt Filesystems
- RHEL6 Rescue Environment
- SUSE Rescue Environment
Appendix A: Pre-Installation Considerations
- Pre-Installation Considerations
- Hardware Compatibility
- Multi-OS Booting
- Partition Considerations
- Filesystem Planning
- Selecting a Filesystem
Appendix B: Installing RHEL6
- Anaconda: An Overview
- Anaconda: Booting the System
- Anaconda: Common Boot
- Options
- Anaconda: Loading Anaconda
- and Packages
- Anaconda: Storage Options
- Anaconda: Troubleshooting
- FirstBoot
- Kickstart
- A Typical Install
Appendix C: Installing SLES11
- YaST Install Program Interface
- Network Installation
- SLP for SUSE Linux Installation
- Installation Choices
- Kernel Crash Dump Configuration
- Creating AutoYaST2 Files
- Using AutoYaST2 files
- linuxrc Automation
- Installation Diagnostics
- After The First Reboot
- A Typical Install
- Appendix D: ISCSI Target Configuration
- iSCSI Target Implementations
- iSCSI Target Configuration (tgt)
- iSCSI Target LUN Configuration (tgt)
- iSCSI Target Auth Configuration (tgt)
- iSCSI Persistent Configuration (tgt)