1. Introduction
2. Todo
3. 1. System programming
4. 1. 1.1. How data movement changes a destination register
   2. 1.2. General embedded ASM linked in C
   3. 1.3. Move sign & zero-extends a single byte
   4. 1.4. movabsq
   5. 1.5. x86_64 register (fiks technical grade)
   6. 1.6. analisis kenapa pakai movabsq, daripada movq
   7. 1.7. analisis patch movq pakai 0xffffffff
   8. 1.8. ext4 unknown RO compact features
   9. 1.9. qemu custom cpio HDA
   10. 1.10. step TCP
   11. 1.11. GDB attach
   12. 1.12. hasil oprek socket programming, case socks5 server
   13. 1.13. fix ncurses kernel build
   14. 1.14. PHP-SRC variadic params
   15. 1.15. PHP-SRC minit()
   16. 1.16. gcc compiler visibility
   17. 1.17. load effective address
   18. 1.18. AT&T asm prelude
   19. 1.19. printf format specifier
   20. 1.20. predefined macros
   21. 1.21. vt-hexdump
   22. 1.22. ELF64 text only
   23. 1.23. ELF64
   24. 1.24. POSIX getopt_long
   25. 1.25. linux virtual memory map (old)
   26. 1.26. linux x86_64 memory map
   27. 1.27. machine dependent type
   28. 1.28. I/O format of integer types
   29. 1.29. types war
   30. 1.30. bits data models
   31. 1.31. ELF struct datatype
   32. 1.32. finding .shstrtab section
   33. 1.33. print binary using shift and masking
   34. 1.34. all about ASan & debug symbol
   35. 1.35. asm volatile
   36. 1.36. amd64 endianness
5. 2. Rust stuff
6. 1. 2.1. Rust Cursor & fseek concept
   2. 2.2. Rust bytes has_remaining() method
   3. 2.3. How Rust into() Box + Error analysis
   4. 2.4. Rust buffer advance
   5. 2.5. Rust RESP get_line analysis
   6. 2.6. postgresql - get() generic function signature
   7. 2.7. Rust build logging
   8. 2.8. Rust tonic gRPC server
   9. 2.9. Rust tokio-postgres connection config example
   10. 2.10. miri rust setup
7. 3. Embedtronics
8. 1. 3.1. picotool build
9. 4. Math
10. 1. 4.1. Set formula
    2. 4.2. Set stuff
    3. 4.3. Logika
    4. 4.4. kumpulan soal Matematika Diskrit
    5. 4.5. asal usul rumus sudut vektor
    6. 4.6. transformasi elementer
    7. 4.7. matrix invers
11. 5. Cryptography
12. 1. 5.1. Alur koneksi ke RPC server telegram
    2. 5.2. ca-certificates
    3. 5.3. PAP, CHAP, EAP
13. 6. Server
14. 1. 6.1. Cgit setup
    2. 6.2. config HTTPS nginx
    3. 6.3. Setup virtual network interface
    4. 6.4. ip aliasing
    5. 6.5. setup bridge enp0s16u1
    6. 6.6. Setup shadowsocks proxy server
    7. 6.7. Alpine install on live cd qemu
    8. 6.8. Run router-OS on qemu
    9. 6.9. setup linux bridge between RouterOS & Alpine linux hosts
    10. 6.10. Linux iptables preview (try making a nat)
    11. 6.11. Linux QEMU network address translation
    12. 6.12. QEMU block 8.8.8.8 from host
    13. 6.13. logic netfilter linux kernel
    14. 6.14. resep nginx oleh pak hanif
    15. 6.15. ip command
    16. 6.16. QEMU default network
    17. 6.17. Mikrotik firewall
    18. 6.18. bring wlan0 connectivity to the network namespace linux & test routerOS
    19. 6.19. network namespace + NAT notes
    20. 6.20. deploy Docmost on server
    21. 6.21. fix vthxxxxxxxx is not connected to docker0
    22. 6.22. php-fpm config
    23. 6.23. systemd config template
    24. 6.24. setting up ubuntu server with qemu + custom bridge
    25. 6.25. setting up routeros + ubuntu server + archlinux client
    26. 6.26. SQL authentication freeradius server
    27. 6.27. Linux netplan
    28. 6.28. sshfs
    29. 6.29. TLDR qemu
    30. 6.30. qemu q35 vs i440fx
    31. 6.31. qemu & dedicated nic + macvtap
    32. 6.32. alpine install ssh + firefox lite qemu
15. 7. Database
16. 1. 7.1. psql command
    2. 7.2. psql snippet
    3. 7.3. PostgreSQL database creation flow
    4. 7.4. how to use SQLX cli tools for db migration such laravel migrations
    5. 7.5. Postgresql internal (server)
    6. 7.6. Postgresql II SQL language docs summary
    7. 7.7. system table in pgsql (catalog)
    8. 7.8. pgsql functions()
    9. 7.9. postgresql database HBA
    10. 7.10. PostgreSQL grant
17. 8. Dockerfile boilerplate
18. 1. 8.1. debian:bullseye php-8.3 dev env
    2. 8.2. php:8.3.20-fpm-bullseye + nginx prod
    3. 8.3. php:8.3.20-bullseye dev env
19. 9. PHP (web)
20. 1. 9.1. laravel 12 service container
    2. 9.2. laravel 12 custom auth guard + tables
    3. 9.3. laravel Socialite setup
    4. 9.4. laravel pgsql migration setup
21. 10. Other
22. 1. 10.1. bookmarks highly useful link
    2. 10.2. Resume alpro
    3. 10.3. Resume alpro double linkedlists
    4. 10.4. Rumus sector disk Linux
    5. 10.5. Regex notes
    6. 10.6. template workspace json vscode
    7. 10.7. Protobuf
    8. 10.8. Subnetting
    9. 10.9. Inter-VLAN routing
    10. 10.10. Tealinux qemu promp & testing
    11. 10.11. Tealinux qemu promp & testing 2
    12. 10.12. binary operation
    13. 10.13. catatan subnetting from scratch
    14. 10.14. set PATH fish shell
    15. 10.15. tree
    16. 10.16. clang-format
23. 11. Gallery
24. 1. 11.1. july-2025