👋 Hello

StackOverWork is a collection of stories and notes from my journey in the IT world. Simple records of what I tried, what broke, and what worked.

Regards,

dng.

Contact me at:

[email protected]

🐧 Linux

  1. Linux Distro Overview
  2. Install OS (Ubuntu/Debian/RHEL)
  3. Linux Baseline Best Practice
  4. User & Group Management
  5. Filesystem Hierarchy
  6. File Permission & Ownership
  7. Package Management (apt, yum, dnf, snap)
  8. Systemctl & Service Management
  9. Crontab & Scheduled Tasks
  10. Process Management (ps, top, htop)
  11. Log Management (journalctl, /var/log)
  12. Networking Basics (IP, DNS, Routes)
  13. Firewall (iptables, ufw, nftables)
  14. SSH Setup & Hardening
  15. File Transfer (scp, rsync, sftp)
  16. Disk Partitioning (fdisk, parted, LVM)
  17. Mount & Fstab Configuration
  18. LVM Basics (create, extend, snapshot)
  19. RAID Setup (mdadm)
  20. Swap & Memory Management
  21. System Performance Tuning (sysctl, ulimit)
  22. Kernel Upgrade & Modules
  23. Install Web Server - Nginx
  24. Install Web Server - Apache2
  25. Install PHP & PHP-FPM
  26. Install MySQL / MariaDB
  27. Install PostgreSQL
  28. DNS Server (Bind9, dnsmasq)
  29. Mail Server Basics (Postfix, Dovecot)
  30. FTP & SFTP Setup
  31. Proxy Server (Squid)
  32. Load Balancer (HAProxy, Nginx)
  33. SSL/TLS Certificates (Let’s Encrypt)
  34. Fail2ban Setup
  35. AppArmor & SELinux
  36. Backup with rsync & tar
  37. Snapshot & Restore (LVM/ZFS)
  38. Centralized Logging (Rsyslog, ELK)
  39. Monitoring with Prometheus & Grafana
  40. System Resource Monitoring (sar, iostat)
  41. Containerization with Docker
  42. Podman vs Docker
  43. Basic Kubernetes Admin Tasks
  44. Virtualization with KVM/QEMU
  45. Proxmox Basics
  46. VirtualBox Setup
  47. Ansible Basics
  48. Bash Scripting for Automation
  49. Python for Sysadmin
  50. Troubleshooting Boot Issues (grub, initramfs)
  51. Network Troubleshooting (ping, traceroute, tcpdump)
  52. Linux Hardening Checklist (CIS Benchmark)
  53. auditd Configuration
  54. AIDE (File Integrity Monitoring)
  55. PAM Configuration
  56. sudo Best Practice
  57. SSH Certificate Authentication
  58. Rootkit Detection (chkrootkit, rkhunter)
  59. Lynis Security Audit
  60. XFS vs EXT4
  61. Btrfs
  62. ZFS on Linux
  63. Multipath
  64. iSCSI Initiator
  65. NFS Server & Client
  66. Samba File Sharing
  67. Ceph Client
  68. perf
  69. vmstat
  70. iotop
  71. strace
  72. lsof
  73. sysstat
  74. tuned
  75. VLAN Configuration
  76. Bonding / Teaming
  77. Bridge Networking
  78. VXLAN
  79. GRE Tunnel
  80. WireGuard VPN
  81. nftables Deep Dive
  82. Traffic Control (tc)

🪟 Windows

  1. Install
  2. Networking
  3. Active Directory Basics
  4. Active Directory Basics
  5. AD CS (Certificate Services)
  6. DHCP Server Configuration
  7. DNS Server Configuration
  8. Domain Controller Installation
  9. Group Policy Management
  10. Hyper-V Basics
  11. IIS Web Server
  12. PowerShell for Administrators
  13. RDP Hardening
  14. Windows Event Viewer & Logs
  15. Windows Server Hardening

📂 Cloud Computing - GCP

  1. GCP
  2. Compute Engine
  3. VPC
  4. Cloud NAT
  5. Cloud SQL
  6. Cloud Storage
  7. Cloud Logging
  8. Cloud Monitoring
  9. Cloud Armor
  10. GKE
  11. Vertex AI
  12. IAM
  13. Service Account
  14. Cloud DNS

📂 Cloud Computing - AWS

  1. EC2
  2. IAM
  3. VPC
  4. Route53
  5. S3
  6. ALB/NLB
  7. CloudWatch
  8. Systems Manager
  9. EKS
  10. ECS
  11. Lambda
  12. CloudFormation
  13. Terraform on AWS

📂 Cloud Computing - Azure

  1. Azure VM
  2. Azure Network
  3. NSG
  4. Azure AD
  5. AKS
  6. Azure Storage
  7. Azure Backup

🧰 Container & Cluster

  1. Docker Installation
  2. Dockerfile
  3. Docker Compose
  4. Docker Network
  5. Docker Volume
  6. Docker Registry
  7. Docker Swarm
  8. Buildx
  9. Rootless Docker
  10. Cluster Installation
  11. kubeadm
  12. Helm
  13. Ingress
  14. MetalLB
  15. StorageClass
  16. Persistent Volume
  17. ConfigMap
  18. Secret
  19. RBAC
  20. Network Policy
  21. Prometheus
  22. Grafana
  23. ArgoCD
  24. Rancher
  25. K3s
  26. Longhorn

🌐 Networking

  1. IP Address
  2. Routing
  3. OpenVPN
  4. Firewall
  5. SDN

💾 Storage

  1. NetApp
  2. TrueNAS
  3. Synology
  4. Ceph
  5. MinIO
  6. Object Storage
  7. SAN
  8. NAS
  9. RAID Level Comparison
  10. Snapshot
  11. Replication
  12. Thin Provisioning

📡 IOT

  1. SmartCCTV
  2. SmartHome
  3. MiniPC (ARM)

⚙️ Hypervisor

  1. VMWare
  2. Proxmox VE
  3. VMware ESXi - VMWare
  4. vCenter - VMWare
  5. DRS - VMWare
  6. HA - VMWare
  7. vMotion - VMWare
  8. Storage vMotion - VMWare
  9. VM Template - VMWare
  10. Snapshot - VMWare
  11. Clone - VMWare
  12. SRM - VMWare
  13. Cluster - Proxmox VE
  14. Ceph - Proxmox VE
  15. HA - Proxmox VE
  16. SDN - Proxmox VE
  17. PBS - Proxmox VE
  18. Migration - Proxmox VE
  19. LXC - Proxmox VE
  20. GPU Passthrough - Proxmox VE
  21. PCI Passthrough - Proxmox VE
  22. API - Proxmox VE
  23. Terraform Provider - Proxmox VE
  24. XCP-ng

💾 Backup Solution

  1. Veeam
  2. Vinchin
  3. Proxmox Backup

🤖 AI Infrastructure

  1. Ollama
  2. Open WebUI
  3. NVIDIA GPU
  4. CUDA
  5. ROCm
  6. vLLM
  7. HuggingFace
  8. Llama.cpp
  9. Kubernetes GPU
  10. AI Server Build
  11. Vector Database
  12. RAG

🔐 Security

  1. CVE
  2. CVSS
  3. MITRE ATT&CK
  4. OWASP
  5. Wazuh
  6. Suricata
  7. Snort
  8. CrowdSec
  9. OpenVAS
  10. Nessus
  11. Nmap
  12. Burp Suite
  13. Nikto
  14. Hydra
  15. Metasploit
  16. OSQuery
  17. SIEM
  18. SOC
  19. Incident Response

🧰 Other Stuff

  1. Troubleshoot

Disclaimer!

All the content written here comes from my personal experiments and lab environments. It does not reflect or represent any official production systems at work. Use the information with care, and always test before applying it to real environments.