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Guru Labs - GL250 Enterprise Linux Administration

Guru Labs - GL250 Enterprise Linux Administration

Guru Labs - GL250 Enterprise Linux Administration


English | Size: 5.58 GB
Category: CBTs


Description
The GL250 is an in-depth course that explores installation, configuration and maintenance of Linux systems. The course focuses on issues universal to every workstation and server. Like all Guru Labs courses, the course material is designed to provide extensive hands-on experience. Topics include: installation and configuration; the boot process; user and group administration; filesystem administration, including quotas, FACLs, RAID and LVM; task automation; client networking; SELinux; software management; log files; troubleshooting; and more.


LINUX HARDWARE DISCOVERY, INTERACTION, AND CONTROL
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/
LAB TASKS
Adjusting Kernel Options
Configuring Print Queues
Introduction to Troubleshooting Labs
Troubleshooting Practice: Kernel Modules
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
LAB TASKS
Boot Process
GRUB Command Line
Basic GRUB Security
Managing Services With chkconfig
Troubleshooting Practice: Boot Process
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
YUM Repository Groups
Compiling/Installing from Source
Manually Installed Shared Libraries
Installing Source RPM Packages
LAB TASKS
Managing Software with RPM
Creating a Custom RPM Repository
Querying the RPM Database
Installing Software via RPM & Source and Rebuilding SRPMs
FILESYSTEM ADMINISTRATION
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
Backup Examples
LAB TASKS
Creating and Managing Filesystems
Hot Adding Swap
Setting User Quotas
Using rsync and ssh for Backups
Using tar and cpio for Backups
Using dump and restore for Backups
Creating ISO Images for Backups
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
LAB TASKS
Creating and Managing LVM Volumes
Creating and Managing a RAID-5 Array
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 ShiChuang/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
LAB TASKS
Using autofs
NFS Server Configuration
iSCSI Initiator Configuration
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)
LAB TASKS
User and Group Administration
Using LDAP for Centralized User Accounts
Troubleshooting Practice: Account Management
Using NIS for Centralized User Accounts
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
LAB TASKS
Restricting superuser access to wheel group membership
Using pam_nologin to Restrict Logins
Setting Limits with the pam_limits Modules
Using pam_limits to Restrict Simultaneous Logins
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
LAB TASKS
User Private Groups
Using Filesystem ACLs
Exploring SELinux Modes
SELinux File Contexts
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
LAB TASKS
Network Discovery
Basic Client Networking
NTP Client Configuration
ADVANCED NETWORKING
Multiple IP Addresses
Configuring a DHCP server
Enabling IPv6
Interface Bonding
Interface Bridging
802.1q VLANS
Tuning Kernel Network Settings
LAB TASKS
Multiple IP Addresses Per Network Interface
Configuring IPv6
Troubleshooting Practice: Networking
LOG FILE ADMINISTRATION
System Logging
Syslog-ng
Rsyslog
/etc/rsyslog.conf
Log Management
Log Anomaly Detector
LAB TASKS
Setting up a Full Debug Logfile
Remote Syslog Configuration
MONITORING & TROUBLESHOOTING
System Status - Memory
System Status - I/O
System Status - CPU
Performance Trending with sar
Process Accounting
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
LAB TASKS
Recovering Damaged MBR
Using BSD Process Accounting

PRE-INSTALLATION CONSIDERATIONS
Pre-Installation Considerations
Hardware Compatibility
Multi-OS Booting
Partition Considerations
Filesystem Planning
Selecting a Filesystem
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
LAB TASKS
Linux Installation
Automating Installation with Kickstart
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
LAB TASKS
SUSE Installation
Automating Installation with AutoYaST
ISCSI TARGET CONFIGURATION
iSCSI Target Implementations
iSCSI Target Configuration (tgt)
iSCSI Target LUN Configuration (tgt)
iSCSI Target Auth Configuration (tgt)
iSCSI Persistent Configuration (tgt)
MANAGE VIRTUAL MACHINES
Virtualization: What and Why?
Introducing libvirt
libvirt: Basic Concepts
libvirt: Storage Architecture
libvirt: Network Architecture
libvirt: Graphical Tools
libvirt: Command Line Tools
virsh: Basics
virsh: Common Tasks
virt-install
libguestfs and guestfish
LAB TASKS
Installing a Virtual Machine


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