Linux System Administration (LFS307)
Linux dominates web servers, the cloud & smartphones.
Description
Linux dominates web servers, the cloud & smartphones. Ensure your long-term career prospects by learning high-demand Linux skills including how to administer, configure & upgrade Linux systems & the tools & concepts you need to build & manage an enterprise Linux infrastructure.
Summary
Linux dominates web servers, the cloud & smartphones.
What You'll Learn
- In this course you will learn how to administer, configure and upgrade Linux systems running one of the three major Linux distribution families: Debian/Ubuntu and Red Hat/CentOS/Fedora, how to master the tools and concepts you'll need to efficiently build and manage an enterprise Linux infrastructure, how to work with Git and perform essential collaborative tasks, how to use state-of-the-art system administration techniques in real-life scenarios via practical labs, and more.
Prerequisites
- This course is designed to provide students with the necessary skills and abilities to work as a professional Linux system administrator. Students should have basic knowledge of Linux and its most common utilities and text editors.
Outline
34 modules
•
5 Days total
- 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
- 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
- Environment Variables
- Command History
- Command Aliases
- User Accounts
- Shell Startup Files
- Management of User Accounts
- Locked Accounts
- Passwords
- /etc/shadow
- Password Management
- Password Aging
- The root Account
- SSH
- Labs
- Groups
- Group Membership
- Group Management
- User Private Groups
- Labs
- File Permissions and Ownership
- File Access Rights
- chmod, chown and chgrp
- umask
- Filesystem ACLs
- Labs
- 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
- DPKG (Debian Package)
- Package File Names and Source
- DPKG Queries
- Installing/Upgrading/Uninstalling
- Labs
- APT
- APT Utilities
- Queries
- Installing/Removing/Upgrading Packages
- Cleaning Up
- Labs
- 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
- dnf
- yum
- Queries
- Installing/Removing/Upgrading Packages
- Additional dnf Commands
- Labs
- zypper
- Queries
- Installing/Removing/Upgrading Packages
- Additional zypper Commands
- Labs
- Revision Control
- Basic Commands
- Try some git commands
- Get Software with Git
- Labs
- Programs and Processes
- Process Limits
- Creating Processes
- Process Control
- Starting Processes in the Future
- Process States
- Execution Modes
- Daemons
- niceness
- Labs
- Process Monitoring
- Troubleshooting
- ps
- pstree
- top
- Labs
- Memory Monitoring and Tuning
- /proc/sys/vm
- vmstat
- Swap
- Out of Memory Killer (OOM)
- Labs
- I/O Monitoring
- iostat
- iotop
- Labs
- Containers
- Containers vs Virtual Machines
- Docker
- Cowsay Example
- Reproducible Builds
- Labs
- Filesystem Basics
- Filesystem Concepts
- Virtual Filesystem (VFS)
- Available Filesystems
- Journalling Filesystems
- Special Filesystems
- Labs
- Common Disk Types
- Disk Geometry
- Partitioning
- Partition Tables
- Naming Disk Devices
- blkid and lsblk
- Sizing up partitions
- Backing Up and Restoring Partition Tables
- Partition table editors
- fdisk
- Labs
- 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
- ext4 Features
- ext4 Layout and Superblock and Block Groups
- dumpe2fs
- tune2fs
- Labs
- Logical Volume Management (LVM)
- Volumes and Volume Groups
- Working with Logical Volumes
- Resizing Logical Volumes
- LVM Snapshots
- Labs
- Kernel Overview
- Kernel Boot Parameters
- Kernel Command Line
- Boot Process Failures
- sysctl
- Labs
- Kernel Modules
- Module Utilities
- modinfo
- Module Configuration
- Labs
- udev and Device Management
- Device Nodes
- Rules
- Labs
- IP Addresses
- IPv4 Address Types
- IPv6 Address Types
- IP Address Classes
- Netmasks
- Hostnames
- NTP
- Labs
- 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
- LDAP Authentication
- Labs
- Firewalls
- Interfaces
- firewalld
- Zones
- Source Management
- Service and Port Management
- Port Redirection
- Labs
- The init Process
- Startup Alternatives
- systemd
- systemctl
- Labs
- Backup Basics
- Backup vs Archive
- Backup Methods and Strategies
- tar
- Compression: gzip, bzip2 and xz and Backups
- dd
- rsync
- Backup Programs
- Labs
- Linux Security Modules
- SELinux
- AppArmor
- Labs
- Rescue Media and Troubleshooting
- Using Rescue/Recovery Media
- System Rescue and Recovery
- Emergency Boot Media
- Using Rescue Media
- Emergency Mode
- Single User Mode
- Labs
