Linux Administration Road Map

Linux System Administrator Roadmap🐧💻

├── 🔹 Foundations
│   ├── 🔸 Basic Linux Concepts
│   │   ├── 📂 File System Hierarchy
│   │   ├── 🔑 Permissions and Ownership
│   │   ├── 🔄 Processes and Daemons
│   │   └── 🖥️ Basic Commands (ls, cd, cp, mv, rm, etc.)
│   ├── 🔸 Shell and Scripting
│   │   ├── 📝 Bash Scripting
│   │   ├── 🔧 Basic Automation
│   │   └── 🛠️ Common Shell Commands (grep, awk, sed)
│   ├── 🔸 Networking Fundamentals
│   │   ├── 🌐 TCP/IP Stack
│   │   ├── 🌍 DNS Configuration
│   │   ├── 🔌 Network Interfaces
│   │   └── 🛠️ Basic Network Troubleshooting (ping, traceroute, netstat)
│   └── 🔸 System Installation and Configuration
│       ├── 💿 Installation Methods (ISO, PXE)
│       ├── 🗂️ Disk Partitioning and File Systems
│       └── 🔒 Initial Configuration and Hardening
├── 🔹 System Administration
│   ├── 🔸 User and Group Management
│   │   ├── 👤 User Accounts
│   │   ├── 👥 Group Policies
│   │   └── 🔑 sudo Configuration
│   ├── 🔸 Package Management
│   │   ├── 📦 RPM and YUM (RHEL/CentOS)
│   │   ├── 📦 APT (Debian/Ubuntu)
│   │   └── 🔧 Compiling from Source
│   ├── 🔸 Process Management
│   │   ├── 🔄 Systemd and Init
│   │   ├── 👀 Monitoring and Controlling Processes
│   │   └── 🕒 Crontab and Scheduled Tasks
│   ├── 🔸 Filesystem Management
│   │   ├── 🗂️ Mounting and Unmounting File Systems
│   │   ├── 📁 NFS and Samba
│   │   └── 📊 Disk Quotas
│   └── 🔸 Security
│       ├── 🔥 Firewalls (iptables, firewalld)
│       ├── 🛡️ SELinux and AppArmor
│       ├── 🔒 SSH Configuration and Hardening
│       └── 📝 Auditing and Logging
├── 🔹 Networking and Services
│   ├── 🔸 Network Configuration
│   │   ├── 🌐 Static and Dynamic IP Addressing
│   │   ├── 🔌 Network Bonding and Bridging
│   │   └── 📶 VLANs
│   ├── 🔸 Web Services
│   │   ├── 🌐 Apache and Nginx
│   │   ├── 🔐 HTTPS and SSL/TLS
│   │   ├── ↔️ Reverse Proxies
│   │   └── 🛡️ Web Application Firewalls (WAF)
│   ├── 🔸 Database Management
│   │   ├── 💾 MySQL/MariaDB
│   │   ├── 💾 PostgreSQL
│   │   ├── 📂 NoSQL Databases (e.g., MongoDB)
│   │   └── 🔄 Backup and Restore
│   ├── 🔸 Email Services
│   │   ├── ✉️ Postfix and Sendmail
│   │   └── 🚫 Spam Filtering
│   └── 🔸 File and Print Services
│       ├── 📁 Samba
│       ├── 📁 NFS
│       └── 🖨️ CUPS
├── 🔹 Advanced Administration
│   ├── 🔸 Virtualization
│   │   ├── 💻 KVM and QEMU
│   │   ├── 📦 VirtualBox
│   │   └── 🔧 Libvirt
│   ├── 🔸 Containerization
│   │   ├── 🐳 Docker
│   │   ├── ☸️ Kubernetes
│   │   └── 🔧 Podman
│   ├── 🔸 Cloud Computing
│   │   ├── ☁️ AWS
│   │   ├── ☁️ Azure
│   │   ├── ☁️ OpenStack
│   │   └── ☁️ GCP (Google Cloud Platform)
│   ├── 🔸 Configuration Management
│   │   ├── 🤖 Ansible
│   │   ├── 🎭 Puppet
│   │   ├── 🍴 Chef
│   │   └── 🧂 SaltStack
│   └── 🔸 High Availability
│       ├── 🔗 Clustering (Pacemaker, Corosync)
│       ├── ⚖️ Load Balancing (HAProxy, Nginx)
│       └── 🔄 Backup and Disaster Recovery
├── 🔹 Monitoring and Performance
│   ├── 🔸 System Monitoring
│   │   ├── 🔧 Tools (Nagios, Zabbix, Prometheus, Grafana)
│   │   └── 📝 Log Management (ELK Stack, Graylog)
│   ├── 🔸 Performance Tuning
│   │   ├── 🧠 CPU and Memory Optimization
│   │   ├── 💾 Disk I/O Performance
│   │   └── 🌐 Network Performance
│   └── 🔸 Troubleshooting
│       ├── 📝 Log Analysis
│       ├── 🔍 Common Issues and Solutions
│       ├── 🚧 Performance Bottlenecks
│       └── 🔧 Kernel Tuning
├── 🔹 Scripting and Automation
│   ├── 🔸 Advanced Scripting
│   │   ├── 📜 Shell Scripting (Advanced)
│   │   ├── 🐍 Python Scripting
│   │   └── 🤖 Task Automation
│   └── 🔸 Infrastructure as Code (IaC)
│       ├── 🌍 Terraform
│       ├── ☁️ CloudFormation
│       └── 🔄 CI/CD Pipelines (Jenkins, GitLab CI)
└── 🔹 Security and Compliance
    ├── 🔸 Security Best Practices
    │   ├── 🔒 System Hardening
    │    └──🔄 Regular Updates and Patching
   └──  🔍 Security Auditing Tools (e.g., Lynis, OpenVAS)