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feat(server): Add Embedded HTTP Server & REST API, Systemd Service Manager, Multi-User Auth, Syslog, Crond, and Server Metrics
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@@ -11,12 +11,15 @@
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[-purple.svg?style=flat-square)]()
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[](LICENSE)
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**SUB-OS** is an open-source, production-grade 64-bit modular monolithic operating system engineered from the ground up for the `x86_64` architecture. Built adhering to the internal design principles of modern UNIX/Linux kernels while maintaining an elegant, easy-to-understand codebase, SUB-OS features a bare-metal driver tree, physical and dynamic memory management with a **SLAB Object Allocator**, an advanced virtual file system (VFS) with FAT32, ext2, sysfs, and devfs, **Lightweight Process & Container Namespaces**, **Kernel Event Tracing (FTrace-like ringbuffers)**, **Stateful Packet Inspection (NetFilter Firewall)**, **Ramdisk (`/dev/ram0`)**, a full L2-L4 networking protocol stack with BSD Sockets, **8-Bit Retro Melody Synth & Formant Text-to-Speech (TTS)** voice synthesizer, AC'97 sound architecture, full-screen visual `nano` editor, and the **LazyBox** multi-call userland environment with **55+ Linux-compatible utilities** and shell scripting (`sh`).
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**SUB-OS** is an open-source, production-grade 64-bit modular monolithic operating system engineered from the ground up for the `x86_64` architecture. Designed for both **cloud/bare-metal servers** and **interactive workstation use**, SUB-OS features a lightweight, high-performance modular kernel without unnecessary bloat.
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It comes fully equipped with a bare-metal driver tree, **SLAB Object Allocator**, an advanced virtual file system (VFS) with FAT32, ext2, sysfs, and devfs, **Lightweight Process & Container Namespaces**, **Kernel Event Tracing (FTrace ringbuffers)**, **Stateful Packet Inspection (NetFilter Firewall)**, an **Embedded Micro HTTP Web Server & REST API (`httpd`)**, **Systemd-style Service Unit Manager (`systemctl`)**, **RFC 5424 Syslog Telemetry**, **Cron Background Job Scheduler**, **Multi-User SHA-256 Authentication (`su`, `passwd`, `useradd`)**, **Ramdisk (`/dev/ram0`)**, a full L2-L4 networking protocol stack with BSD Sockets, **8-Bit Retro Melody Synth & Formant Text-to-Speech (TTS)** voice synthesizer, AC'97 sound architecture, full-screen visual `nano` editor, and the **LazyBox** multi-call userland environment with **65+ Linux-compatible utilities** and shell scripting (`sh`).
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---
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@@ -25,7 +28,8 @@
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```text
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+------------------------------------------------------------------------------------+
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| USERLAND & SYSTEM SUITE |
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| Interactive Shell | GNU Nano 2.0.0 | Script Runner (sh) | LazyBox (55+ Tools) |
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| Interactive Shell | GNU Nano 2.0.0 | Script Runner (sh) | LazyBox (65+ Tools) |
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| Micro HTTP Server | Service Manager (systemctl) | Syslog Reader | Multi-User Auth |
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+------------------------------------------------------------------------------------+
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| VIRTUAL FILE SYSTEM LAYER (VFS) |
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| vfs_namei | RAMFS (/) | /dev (devfs) | /proc (procfs) | /sys (sysfs) | FAT32 | ext2|
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@@ -36,10 +40,11 @@
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| CORE KERNEL SERVICES, SECURITY & TRACING |
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| Preemptive Scheduler | Task Control | POSIX Signals | Fast Syscalls | Workqueues |
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| High-Res Timer Wheel | Dynamic Module Loader | Kernel Event Tracer | LSM Security |
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| System Metrics Telemetry | Cron Scheduler Daemon | RFC 5424 Kernel Syslog Engine |
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+------------------------------------------------------------------------------------+
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| NETWORKING, NETFILTER FIREWALL & SOUND ARCHITECTURE |
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| Ethernet L2 | ARP | IPv4 | ICMP | UDP | TCP | DHCP | DNS | Sockets | NetFilter FW |
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| ALSA Sound Core | AC'97 Audio | Formant TTS Synthesizer | 8-Bit Melody Engine |
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| Embedded HTTP Server & REST API | AC'97 Audio | Formant TTS | 8-Bit Melody Engine |
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+------------------------------------------------------------------------------------+
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| MEMORY MANAGEMENT (MM) |
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| Physical Page Allocator (PMM) | Dynamic Heap | SLAB / SLUB Object Cache |
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@@ -67,49 +72,82 @@
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| **[6/18]** | **PMM, Heap & SLAB** | 64-bit bitmap frame allocator, 4 MB kernel heap, and high-performance SLAB object cache layer. |
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| **[7/18]** | **Block Layer, Ramdisk & ATA** | Generic Block Layer with request queues, Ramdisk (`/dev/ram0`), 'noop' elevator, and ATA driver. |
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| **[8/18]** | **PCI, VirtIO, FB & USB** | PCI bus enumerator, VirtIO core, Linear 32-bit Framebuffer graphics, and USB host controller. |
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| **[9/18]** | **L2-L4 Network & NetFilter** | Intel E1000 NIC, NetFilter stateful firewall, ARP, IPv4 routing, ICMP Ping, UDP, TCP, DHCP & DNS. |
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| **[9/18]** | **L2-L4 Network & NetFilter** | Intel E1000 NIC, NetFilter stateful firewall, ARP, IPv4 routing, ICMP Ping, UDP, TCP, DHCP, DNS & HTTPD. |
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| **[10/18]** | **Sound & Melody Synth** | Audio core driver, AC'97 soundcard, 8-Bit Melody player, and Formant Text-to-Speech synthesizer. |
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| **[11/18]** | **Keyring, LSM & Namespaces** | Loads X.509 trusted keyring, POSIX Capabilities LSM, and initializes container namespaces. |
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| **[11/18]** | **Keyring, Auth & Namespaces**| Loads X.509 trusted keyring, SHA-256 Shadow Authentication, POSIX Capabilities LSM, and namespaces. |
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| **[12/18]** | **IPC Engine** | Anonymous Pipes, System V & POSIX Message Queues, Shared Memory segments, and Semaphore sets. |
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| **[13/18]** | **io_uring Subsystem** | Lockless Submission Queue Entry (SQE) & Completion Queue Entry (CQE) asynchronous I/O engine. |
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| **[14/18]** | **Multi-VFS Mount** | Root RAMFS, synthetic `/dev` devfs, `/proc` procfs, `/sys` sysfs, FAT32 driver, ext2 driver & initramfs. |
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| **[15/18]** | **Kernel Core & Tracing** | POSIX Signals, Workqueues, 64-bit Fast Syscalls, Dynamic Module Loader, and Event Tracer. |
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| **[15/18]** | **Services, Syslog & Telemetry**| Starts RFC 5424 Syslog daemon, Telemetry Metrics, Cron scheduler, and Systemd Service Unit Manager. |
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| **[16/18]** | **Scheduler & LazyBox** | Starts round-robin preemptive scheduler and launches LazyBox interactive userland environment. |
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| **[17/18]** | **Hardware Interrupts** | Enables processor interrupts (`sti`) and transitions to userland shell. |
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| **[18/18]** | **Interactive Shell** | Launches multi-TTY interactive terminal console on TTY1 with dynamic CWD prompt. |
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---
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## 🧰 LazyBox Multi-Call Userland Suite (55+ Utilities)
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## 🧰 LazyBox Multi-Call Userland Suite (65+ Utilities)
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| Category | Commands Included |
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|---|---|
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| **Core & Scripting** | `lazybox`, `sh` (Script runner), `echo`, `env`, `export`, `whoami`, `id`, `date` (CMOS RTC), `cal` |
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| **Filesystem & Editor** | `nano`, `ls`, `cat`, `touch`, `mkdir`, `pwd`, `cd`, `wc`, `head`, `tail`, `stat`, `cp`, `grep`, `hexdump`, `basename`, `dirname` |
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| **Server & Web** | `httpd` (Micro Web Server), `curl`, `wget`, `systemctl` / `service` (Daemon Manager), `crontab` |
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| **Security & Logging** | `logger`, `logread` (Syslog viewer), `su`, `passwd`, `useradd`, `certcheck`, `capsh`, `ipcs` |
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| **Sound & Voice** | `tts` (Phonetic Formant Voice Synthesizer), `tune` (8-Bit Melody Player), `alsamixer` |
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| **Kernel & Tracing** | `lsmod`, `insmod`, `rmmod`, `slabinfo`, `trace`, `unshare` (Namespace containers) |
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| **Crypto & Security** | `sha256sum`, `md5sum`, `crc32`, `rand`, `certcheck`, `capsh`, `ipcs` |
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| **Network & Firewall** | `ifconfig`, `ping`, `arp`, `dhclient`, `nslookup`, `iptables` (Stateful Firewall) |
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| **Crypto & Hashes** | `sha256sum`, `md5sum`, `crc32`, `rand` |
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| **Network & Firewall** | `ifconfig`, `ping`, `arp`, `dhclient`, `nslookup`, `iptables` (Stateful Firewall), `netstat` |
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| **Storage & Devices** | `hdparm`, `lspci`, `speaker`, `mouse` |
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| **Virtualization & Async**| `virtinfo`, `io_uring_test` |
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| **System Monitoring** | `uname`, `free`, `uptime`, `dmesg`, `ps`, `top`, `sleep`, `reboot`, `poweroff` |
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| **Monitoring & Telemetry**| `uname`, `free`, `uptime`, `vmstat`, `iostat`, `htop`, `top`, `dmesg`, `ps`, `sleep`, `reboot`, `poweroff` |
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| **Terminal** | `clear`, `neofetch`, `help` |
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---
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## 📜 Shell Scripting Example (`.sub` scripts)
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## 🌐 Server Operations Demonstration
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Create a script with `nano /test.sub` and execute it with `sh /test.sub`:
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### 1. Launching Micro HTTP Server & Testing REST API
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```text
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sub-os:/> httpd start 80
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HTTPD: Web Server listening on 0.0.0.0:80 (HTTP/1.1)
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```bash
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# SUB-OS Automation Script
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echo "Starting System Self-Check..."
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uname -a
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free
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slabinfo
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iptables
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tune startup
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echo "All subsystems operational!"
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sub-os:/> curl /api/status
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HTTP/1.1 200 OK
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Server: SUB-OS/0.2.0 (x86_64)
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Content-Type: application/json
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Content-Length: 159
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Connection: close
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{"os":"SUB-OS","version":"0.2.0-lts (x86_64)","arch":"x86_64","uptime_sec":1,"mem_total_kb":130944,"mem_free_kb":122752,"requests_served":1,"status":"HEALTHY"}
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```
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### 2. Managing System Services
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```text
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sub-os:/> systemctl
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UNIT LOAD ACTIVE SUB DESCRIPTION
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syslogd.service loaded active running System Logging Daemon
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networking.service loaded active running IPv4 Network Interface Manager
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httpd.service loaded active running Embedded Micro HTTP Web Server
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crond.service loaded active running Periodic Command Scheduler Daemon
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firewall.service loaded active running NetFilter Stateful Packet Inspection
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```
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### 3. Multi-User Authentication & Switching
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```text
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sub-os:/> whoami
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root
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sub-os:/> su admin
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Switched to user 'admin'
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sub-os:/> whoami
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admin
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sub-os:/> id
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uid=1000(admin) gid=1000(admin) groups=1000(admin)
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sub-os:/> su root
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Switched to user 'root'
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```
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---
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