Linux

Where to Move

Move chapter:

• ☰ PART I Linux Fundamentals (Beginner)
  • ☰ What Is Linux?
    • ☰ What is an operating system
    • ☰ History of Unix and Linux
    • ☰ The Linux kernel
    • ☰ GNU and the Free Software Foundation
    • ☰ Open source philosophy
    • ☰ Where Linux is used today
    • ☰ Desktop vs server vs embedded Linux
  • ☰ Choosing a Linux Distribution
    • ☰ What is a distribution?
    • ☰ Package formats (deb, rpm, pacman)
    • ☰ Popular distributions
      • ☰ Ubuntu
      • ☰ Debian
      • ☰ Fedora
      • ☰ Arch Linux
      • ☰ openSUSE
    • ☰ Rolling vs fixed release
    • ☰ Choosing the right distribution
  • ☰ Installing Linux
    • ☰ Creating a bootable USB
    • ☰ Installing on real hardware
    • ☰ Dual booting with Windows
    • ☰ Installing in a virtual machine
    • ☰ Partitioning
      • ☰ `/` (root)
      • ☰ `/home`
      • ☰ Swap
    • ☰ First-time setup
  • ☰ First Steps After Installation
    • ☰ Desktop environment basics
    • ☰ Updating the system
    • ☰ Installing essential tools
    • ☰ Setting up drivers
    • ☰ Using the software center
  • ☰ Linux Filesystem Hierarchy
    • ☰ Overview of the root filesystem
    • ☰ Important directories
      • ☰ `/etc`
      • ☰ `/var`
      • ☰ `/usr`
      • ☰ `/tmp`
      • ☰ `/dev`
      • ☰ `/proc`
      • ☰ `/sys`
    • ☰ File types
    • ☰ Absolute vs relative paths
  • ☰ The Linux Graphical Environment
    • ☰ GNOME
    • ☰ KDE Plasma
    • ☰ XFCE
    • ☰ File managers
    • ☰ System settings
    • ☰ Workspaces and window management
• ☰ PART II Command Line Essentials
  • ☰ Terminal and Shell Basics
    • ☰ What is a shell?
    • ☰ Bash vs Zsh vs Fish
    • ☰ Command structure
    • ☰ Environment variables
    • ☰ Getting help
    • ☰ Command history and autocomplete
  • ☰ Files and Directories
    • ☰ Listing files
    • ☰ Navigating directories
    • ☰ File operations
    • ☰ Wildcards and globbing
    • ☰ Searching files
  • ☰ Viewing and Editing Text Files
    • ☰ Viewing tools
    • ☰ Editing with nano
    • ☰ Introduction to vim
    • ☰ Input/output redirection
  • ☰ Users, Permissions, and Ownership
    • ☰ Users and groups
    • ☰ Permission types (r, w, x)
    • ☰ Changing permissions
    • ☰ Changing ownership
    • ☰ Using sudo
  • ☰ Package Management
    • ☰ Software repositories
    • ☰ APT (Debian/Ubuntu)
    • ☰ DNF (Fedora/RHEL)
    • ☰ Pacman (Arch Linux)
    • ☰ Snap, Flatpak, AppImage
    • ☰ System upgrades
  • ☰ Working with Processes
    • ☰ What is a process?
    • ☰ Viewing processes
    • ☰ Killing processes
    • ☰ Foreground and background jobs
    • ☰ System services and daemons
  • ☰ Introduction to Shell Scripting
    • ☰ Writing your first script
    • ☰ Variables
    • ☰ Conditionals
    • ☰ Loops
    • ☰ Functions
    • ☰ Making scripts executable
• ☰ PART III Intermediate System Administration
  • ☰ Systemd and Service Management
    • ☰ What is systemd?
    • ☰ Managing services (systemctl)
    • ☰ Boot targets
    • ☰ System logs (journalctl)
    • ☰ Creating custom services
  • ☰ Storage and Filesystems
    • ☰ Devices and partitions
    • ☰ Filesystems (EXT4, XFS, Btrfs)
    • ☰ Mounting and unmounting
    • ☰ Disk usage tools
    • ☰ Archiving and compression (tar, gzip, xz)
  • ☰ Networking Fundamentals
    • ☰ IP addressing
    • ☰ Subnets and routing
    • ☰ DNS and hostnames
    • ☰ Networking tools (ip, ss, ping)
    • ☰ Editing network configuration files
  • ☰ User and Group Administration
    • ☰ User information files
    • ☰ Creating and removing users
    • ☰ Password policies
    • ☰ Managing groups
    • ☰ Shell configuration
  • ☰ System Monitoring
    • ☰ CPU and memory monitoring
    • ☰ Disk and I/O monitoring
    • ☰ Log files in /var/log
    • ☰ Boot performance
    • ☰ Monitoring running services
  • ☰ Backup and Restore
    • ☰ Backup strategies
    • ☰ Using rsync
    • ☰ Creating tar archives
    • ☰ Using snapshot systems
    • ☰ Automating backups
  • ☰ Basic System Security
    • ☰ Firewalls (UFW, firewalld)
    • ☰ Authentication policies
    • ☰ SSH security basics
    • ☰ SELinux and AppArmor overview
    • ☰ Intrusion detection basics
• ☰ PART IV Advanced Linux Skills
  • ☰ Advanced Shell Scripting
    • ☰ Script structure
    • ☰ Error handling
    • ☰ Debugging scripts
    • ☰ Scheduled tasks (cron)
  • ☰ The Linux Boot Process
    • ☰ BIOS vs UEFI
    • ☰ Understanding GRUB2
    • ☰ Kernel loading
    • ☰ initramfs
    • ☰ Troubleshooting boot issues
  • ☰ Kernel Management
    • ☰ What is the kernel?
    • ☰ Kernel modules
    • ☰ Kernel parameters
    • ☰ Compiling a custom kernel
    • ☰ Kernel versioning and updates
  • ☰ Advanced Filesystems and Storage
    • ☰ LVM concepts
    • ☰ Logical volumes
    • ☰ RAID levels
    • ☰ Full disk encryption (LUKS)
    • ☰ Snapshots and rollbacks
  • ☰ Network Services
    • ☰ SSH server configuration
    • ☰ NFS
    • ☰ Samba
    • ☰ FTP/SFTP
    • ☰ Firewalls in depth
  • ☰ Logging and Auditing
    • ☰ Systemd logging
    • ☰ Traditional logs in /var/log
    • ☰ Auditd
    • ☰ Log rotation
    • ☰ Creating custom logs
  • ☰ Virtualization and Containers
    • ☰ Virtual machines (KVM/QEMU)
    • ☰ Linux containers (LXC/LXD)
    • ☰ Docker fundamentals
    • ☰ Podman vs Docker
    • ☰ Container networking
• ☰ PART V Server Administration (Expert)
  • ☰ Web Servers
    • ☰ Apache basics
    • ☰ Nginx basics
    • ☰ Virtual hosts
    • ☰ SSL/HTTPS
    • ☰ Reverse proxy concepts
  • ☰ Database Servers
    • ☰ MySQL/MariaDB
    • ☰ PostgreSQL
    • ☰ Database backup strategies
    • ☰ Database hardening
  • ☰ Email Services
    • ☰ SMTP fundamentals
    • ☰ Configuring Postfix
    • ☰ IMAP/POP3 with Dovecot
    • ☰ Spam filtering systems
    • ☰ Email routing concepts
  • ☰ DNS and DHCP
    • ☰ Understanding DNS
    • ☰ Setting up BIND
    • ☰ DNS zones and records
    • ☰ DHCP server configuration
    • ☰ DNS troubleshooting
  • ☰ Load Balancing
    • ☰ HAProxy fundamentals
    • ☰ Nginx as a load balancer
    • ☰ Session persistence
    • ☰ High availability concepts
  • ☰ Clustering and High Availability
    • ☰ Failover principles
    • ☰ Pacemaker
    • ☰ Corosync
    • ☰ Cluster resource management
    • ☰ Distributed filesystems
• ☰ PART VI DevOps and Cloud
  • ☰ Linux for Developers
    • ☰ Compiler toolchains (gcc, make)
    • ☰ Git fundamentals
    • ☰ Debugging tools (gdb, strace)
    • ☰ Build automation (Makefile, CMake)
  • ☰ DevOps on Linux
    • ☰ CI/CD principles
    • ☰ YAML basics
    • ☰ GitHub Actions
    • ☰ GitLab CI/CD
    • ☰ Automated testing
  • ☰ Configuration Management
    • ☰ Ansible basics
    • ☰ Playbooks and inventories
    • ☰ Puppet overview
    • ☰ Chef overview
  • ☰ Infrastructure as Code
    • ☰ Terraform fundamentals
    • ☰ Providers and resources
    • ☰ Modules
    • ☰ Cloud provisioning with Terraform
  • ☰ Cloud Computing with Linux
    • ☰ Linux on AWS
    • ☰ Linux on Azure
    • ☰ Linux on GCP
    • ☰ Cloud networking basics
    • ☰ Scaling and monitoring
• ☰ PART VII Master Topics
  • ☰ Hardening a Linux System
    • ☰ Hardening principles
    • ☰ Kernel hardening
    • ☰ File integrity monitoring
    • ☰ Vulnerability scanning
  • ☰ Forensics and Incident Response
    • ☰ Collecting evidence
    • ☰ Log and file recovery
    • ☰ Analyzing suspicious processes
    • ☰ Incident response workflow
  • ☰ Performance Tuning
    • ☰ CPU tuning
    • ☰ Memory tuning
    • ☰ Disk and I/O optimization
    • ☰ Profiling tools
  • ☰ Writing Linux Tools
    • ☰ Bash-based tools
    • ☰ Python command-line tools
    • ☰ Writing tools in C
    • ☰ Using Linux system APIs
  • ☰ Linux Internals
    • ☰ Process lifecycle
    • ☰ Memory management
    • ☰ Signals and IPC
    • ☰ Namespaces
    • ☰ cgroups
  • ☰ Becoming a Linux Expert
    • ☰ Career paths
    • ☰ Certifications (RHCE, LFCS, LPIC)
    • ☰ Building a homelab
    • ☰ Contributing to open source