Linux System Administration LFS307

Module 1Introduction

• The Linux Foundation
• The Linux Foundation Training
• The Linux Foundation Certifications
• The Linux Foundation Digital Badges
• Laboratory Exercises, Solutions and Resources
• Things Change in Linux and Open Source Projects
• E - Learning Course: LF207
• Distribution Details
• Labs

Module 2Linux Filesystem Tree Layout

• One Big Filesystem
• Data Distinctions
• FHS Linux Standard Directory Tree
• root (/) directory
• /bin
• /boot
• /dev
• /etc
• /home
• /lib and /lib64
• /media
• /mnt
• /opt
• /proc
• /sys
• /root
• /sbin
• /srv
• /tmp
• /usr
• /var
• /run
• Labs

Module 3User Environment

• Environment Variables
• Command History
• Command Aliases
• Labs

Module 4User Account Management

• User Accounts
• Shell Startup Files
• Management of User Accounts
• Locked Accounts
• Passwords
• /etc/shadow
• Password Management
• Password Aging
• The root Account
• SSH
• Labs

Module 5Group Management

• Groups
• Group Membership
• Group Management
• User Private Groups
• Labs

Module 6File Permissions and Ownership

• File Permissions and Ownership
• File Access Rights
• chmod, chown and chgrp
• umask
• Filesystem ACLs
• Labs

Module 7Package Management Systems

• Why Use Packages?
• Software Packaging Concepts
• Package Types
• Available Package Management Systems
• Packaging Tool Levels and Varieties
• Package Sources
• Creating Software Packages
• Revision Control Systems
• Available Source Control Systems
• The Linux Kernel and git
• Labs

Module 8dpkg

• DPKG (Debian Package)
• Package File Names and Source
• DPKG Queries
• Installing/Upgrading/Uninstalling
• Labs

Module 9APT

• APT
• APT Utilities
• Queries
• Installing/Removing/Upgrading Packages
• Cleaning Up
• Labs

Module 10RPM

• RPM (Red Hat Package Manager
• Package File Names
• RPM Database and Helper Programs
• Queries
• Verifying Packages
• Installing and Removing Packages
• Updating, Upgrading and Freshening RPM Packages
• Upgrading the Linux Kernel
• rpm2archive and rpm2cpio
• Labs

Module 11dnf and yum

• dnf
• yum
• Queries
• Installing/Removing/Upgrading Packages
• Additional dnf Commands
• Labs

Module 12zypper

• zypper
• Queries
• Installing/Removing/Upgrading Packages
• Additional zypper Commands
• Labs

Module 13GIT Fundamentals

• Revision Control
• Basic Commands
• Try some git commands
• Get Software with Git
• Labs

Module 14Processes

• Programs and Processes
• Process Limits
• Creating Processes
• Process Control
• Starting Processes in the Future
• Process States
• Execution Modes
• Daemons
• niceness
• Labs

Module 15Process Monitoring

• Process Monitoring
• Troubleshooting
• ps
• pstree
• top
• Labs

Module 16Memory Monitoring, Usage and Configuring Swap

• Memory Monitoring and Tuning
• /proc/sys/vm
• vmstat
• Swap
• Out of Memory Killer (OOM)
• Labs

Module 17I/O Monitoring

• I/O Monitoring
• iostat
• iotop
• Labs

Module 18Containers Overview

• Containers
• Containers vs Virtual Machines
• Docker
• Cowsay Example
• Reproducible Builds
• Labs

Module 19Linux Filesystems and the VFS

• Filesystem Basics
• Filesystem Concepts
• Virtual Filesystem (VFS)
• Available Filesystems
• Journalling Filesystems
• Special Filesystems
• Labs

Module 20Disk Partitioning

• Common Disk Types
• Disk Geometry

Part itioning

Part ition Tables

• Naming Disk Devices
• blkid and lsblk
• Sizing up partitions
• Backing Up and Restoring Partition Tables

Part ition table editors

• fdisk
• Labs

Module 21Filesystem Features: Attributes, Creating, Checking,

• Usage, Mounting
• Extended Attributes
• Creating and formatting filesystems
• Troubleshooting Filesystems
• Checking and Repairing Filesystems
• Filesystem Usage
• Disk Usage
• Mounting filesystems
• NFS
• Mounting at Boot and /etc/fstab
• automount
• Network Block Devices
• Labs

Module 22The Ext4 Filesystems

• ext4 Features
• ext4 Layout and Superblock and Block Groups
• dumpe2fs
• tune2fs
• Labs

Module 23Logical Volume Management (LVM)

• Logical Volume Management (LVM)
• Volumes and Volume Groups
• Working with Logical Volumes
• Resizing Logical Volumes
• LVM Snapshots
• Labs

Module 24Kernel Services and Configuration

• Kernel Overview
• Kernel Boot Parameters
• Kernel Command Line
• Boot Process Failures
• sysctl
• Labs

Module 25Kernel Modules

• Kernel Modules
• Module Utilities
• modinfo
• Module Configuration
• Labs

Module 26Devices and udev

• udev and Device Management
• Device Nodes
• Rules
• Labs

Module 27Network Addresses

• IP Addresses
• IPv4 Address Types
• IPv6 Address Types
• IP Address Classes
• Netmasks
• Hostnames
• NTP
• Labs

Module 28Network Devices and Configuration

• Network Devices
• Predictable Network Interface Device Names
• Network Configuration Files
• Network Manager
• Routing
• Virtual Network Interfaces
• DNS and Name Resolution
• Network Troubleshooting
• Network Diagnostics
• Labs

Module 29LDAP

• LDAP Authentication
• Labs

Module 30Firewalls

• Firewalls
• Interfaces
• firewalld
• Zones
• Source Management
• Service and Port Management
• Port Redirection
• Labs

Module 31System Init: systemd history and customization

• The init Process
• Startup Alternatives
• systemd
• systemctl
• Labs

Module 32Backup and Recovery Methods

• Backup Basics
• Backup vs Archive
• Backup Methods and Strategies
• tar
• Compression: gzip, bzip2 and xz and Backups
• dd
• rsync
• Backup Programs
• Labs

Module 33Linux Security Modules

• Linux Security Modules
• SELinux
• AppArmor
• Labs

Module 34System Rescue

• Rescue Media and Troubleshooting
• Using Rescue/Recovery Media
• System Rescue and Recovery
• Emergency Boot Media
• Using Rescue Media
• Emergency Mode
• Single User Mode