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

Linux 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

User Environment Environment Variables Key Shortcuts Command History Command Aliases Labs

User 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

Group Management Groups Group Membership Group Management User Private Groups Labs

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

Package 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

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

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

RPM 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 and yum dnf yum Queries Installing/Removing/Upgrading Packages Additional dnf Commands Labs

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

Introduction to GIT Revision Control Know Where the Code is Coming From: DCO and CLA Available Revision Control Systems Graphical Interfaces Documentation Labs

Using Git: an Example Basic Commands A Simple Example Signing Off on Commits master vs main Labs

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

Process Monitoring Process Monitoring Troubleshooting ps pstree top Labs

Memory Monitoring, Usage and Configuring Swap Memory Monitoring and Tuning /proc/sys/vm vmstat Swap Out of M

I/O Monitoring and Tuning I/O Monitoring iostat iotop Labs

Virtualization Overview Introduction to Virtualization Hosts and Guests Emulation Hypervisors libvirt QEMU KVM Labs

Containers Overview Containers Application Virtualization Containers vs Virtual Machines Docker Docker Commands Podman Labs

Linux Filesystems and the VFS Filesystem Basics Filesystem Concepts Virtual Filesystem (VFS) Available Filesystems Journalling Filesystems Special Filesystems Labs

Disk Partitioning 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

Filesystem 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

The Ext4 Filesystems ext4 Features ext4 Layout and Superblock and Block Groups dumpe2fs tune2fs Labs

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

Kernel Services and Configuration Kernel Overview Kernel Boot Parameters Kernel Command Line Boot Process Failures sysctl Labs

Devices and udev udev and Device Management Device Nodes Rules Labs

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

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

LDAP LDAP Authentication Labs

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

System Init: systemd, SystemV and Upstart The init Process Startup Alternatives systemd systemctl Labs

Backup 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

Linux Security Modules Linux Security Modules SELinux AppArmor Labs

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