😷🤧

FaZe up !!

[😷🤧 @wirasableeng]

mengerti manusia itu sulit

[😷🤧 @wirasableeng]

Gue bangun https://t.co/KKf1tm7Tur gara-gara liat sendiri drama tetangga cari ART: udah bayar agensi mahal, ARTnya kabur minggu kedua, duit ga balik. Jadi gue bikin platform yang lebih transparan buat dua sisi — keluarga & ART. Ini progress + rencana ke depannya 🧵

[7h3h4ckv157 @7h3h4ckv157]

OSINT Mapping Tool 📍

A small web app for organizing OSINT research. Jot down identifiers (social handles, phones, vehicles, whatever), pin places on a map (Google or OpenStreetMap), and wire the two together.

Resource: https://t.co/buW03MhgmD

[PesanJasa @PesanJasa]

#PesanJasa.com
#PesanJasa

[PesanJasa @PesanJasa]

PesanJasa apapun kini lebih mudah!

[Tom Dörr @tom_doerr]

Self-hosted database backup with restore verification

https://t.co/AzFHR5Djt6

[GitHub Projects Community @GithubProjects]

Goravel provides a full-featured web framework for Go that follows Laravel's conventions, making it easier for PHP developers to transition to Go.

- Artisan Console for CLI commands and automation
- Authentication with JWT and Session drivers
- ORM with model factories for testing
- gRPC server and client support

[😷🤧 @wirasableeng]

Cek aja dulu 👉 https://t.co/KDpS29RjLt

- Worst case: lo daftar, pasang jasa, nggak ada order. Lo rugi waktu 30 menit.
- Best case: lo jadi salah satu seller awal yang reputasinya udah kebangun pas platformnya naik.

Pilihan ada di tangan lo.

[😷🤧 @wirasableeng]

Gue mau kasih tau satu hal yang mungkin nggak populer:

Platform freelance yang udah rame = saingan lo ribuan. Platform yang masih sepi = peluang lo lebih besar.

Lagi nemu satu marketplace jasa lokal yang masih "underrated". Thread 🧵

[😷🤧 @wirasableeng]

Yang masuk akal untuk dilakukan sekarang:

1. Daftar gratis
2. Pasang 2-3 jasa sesuai skill
3. Jadikan ini side income, bukan pengganti kerjaan utama dulu
4. Build review & portfolio sambil platformnya tumbuh
5. Pas platform meledak, lo udah punya track record

[tetsuo @tetsuoai]

Linux From Scratch is a project that walks you through building your own custom Linux, from source code.

Why build your own linux?
- minimal, audited systems with flags
- HPC/AI labs tweak for supercomputers
- IoT/embedded devices
- old hardware for servers

[Ivan Velichko @iximiuz]

Computer Networking 101 (Mini-Course) 🧐

Why bother with learning about L2 broadcast domains if most of the day-to-day work happens ot L3 and above?

Well, IP routing runs on top of Ethernet - computers can only send packets to their direct neighbours. When things go sideways (and they will), and your packets stop being delivered as expected, understanding lower-level concepts, such as ARP broadcasts and "on-link" destinations, will be essential to successfully troubleshoot the incident (and impress your colleagues).

Take the course, you won't regret it! Completely free, just a few lessons, highly illustrated, and with half a dozen hands-on labs https://t.co/Cm4NTgcjK9

[Vivek Galatage @vivekgalatage]

IO devices and latency by @BenjDicken

A cool animated explainer about i/o devices and associated latency

https://t.co/zDIPPOh2bK

[Dhanian 🗯️ @e_opore]

Linux Kernel Architecture

1. Introduction

→ The Linux Kernel is the core part of the Linux operating system.
→ It acts as a bridge between hardware and software applications.
→ It manages processes, memory, devices, and system calls.

2. Core Responsibilities

→ Process Management — handles process creation, scheduling, and termination.
→ Memory Management — allocates and manages virtual and physical memory.
→ File System Management — provides access to files and directories through the Virtual File System (VFS).
→ Device Management — communicates with hardware via device drivers.
→ Network Management — manages network protocols and interfaces.
→ System Calls — provides interfaces for user-space programs to interact with the kernel.

3. Kernel Modes

→ User Mode: Applications run here with restricted access.
→ Kernel Mode: The kernel runs here with full access to system resources.
→ The system switches between these modes through system calls and interrupts.

4. Major Components

→ 1. Process Scheduler

→ Manages process execution order.
→ Balances CPU load efficiently.
→ Uses algorithms like CFS (Completely Fair Scheduler).

→ 2. Memory Manager

→ Handles paging, swapping, and memory allocation.
→ Manages physical and virtual memory.
→ Uses demand paging for optimization.

→ 3. Virtual File System (VFS)

→ Provides a common interface for different file systems.
→ Supports file systems like ext4, FAT, NTFS, etc.
→ Offers system calls such as open(), read(), and write().

→ 4. Device Drivers

→ Allow the kernel to communicate with hardware devices.
→ Each device type (block, character, network) has its own driver interface.
→ Operates via /dev entries.

→ 5. Network Stack

→ Implements TCP/IP, UDP, and other protocols.
→ Handles data transmission between applications and physical networks.
→ Uses sockets for communication.

→ 6. System Call Interface (SCI)

→ Acts as a gateway between user-space applications and kernel-space operations.
→ Converts API requests (e.g., printf, fork) into kernel-level tasks.

5. Kernel Types

→ Monolithic Kernel: All services run in kernel space for performance (Linux uses this model).
→ Microkernel: Minimal kernel; runs most services in user space.
→ Hybrid Kernel: Mixes both for flexibility (used in Windows and macOS).

6. Boot Process Overview

→ BIOS/UEFI initializes hardware.
→ Bootloader (like GRUB) loads the kernel into memory.
→ Kernel initializes devices, mounts the root file system, and starts init.
→ System transitions to user space and starts essential services.

7. Interprocess Communication (IPC)

→ Enables processes to communicate and synchronize.
→ Mechanisms include:
 → Pipes
 → Message Queues
 → Shared Memory
 → Semaphores
 → Signals

8. Kernel Modules

→ Dynamically loadable components extending kernel functionality.
→ Useful for device drivers, file systems, or system features.
→ Managed using commands:
 → insmod — load a module
 → rmmod — remove a module
 → lsmod — list loaded modules

9. Security and Permissions

→ Uses User IDs (UIDs) and Group IDs (GIDs) for access control.
→ Enforces permissions via file modes (read, write, execute).
→ Supports advanced systems like SELinux and AppArmor for enhanced security.

10. Tip

→ The Linux Kernel is modular, stable, and scalable.
→ It efficiently handles hardware, memory, processes, and communication.
→ Its open-source nature allows customization, performance tuning, and community-driven improvement.

✅ Learn More About Linux, System Architecture, and OS Concepts in This Ebook:
https://t.co/mCaIRlwaQ8

[Ivan Velichko @iximiuz]

How Containers Work: Building a Docker-like Container From Scratch 🛠️

In this tutorial you will learn how to assemble a tiny but realistic container using only stock Linux tools: unshare, mount, and pivot_root. No runtime magic and (almost) no cut corners https://t.co/6Pj2cn3HUk

[the tiny corp @__tinygrad__]

NVIDIA over USB4 on MacBook is ready to try!

* ADT-UT3G dock + any 30/40/50 series GPU
* Disable SIP
* Install driver `extra/usbgpu/tbgpu`
* Install NVK compiler `brew install tinymesa`
* Test with:
`DEBUG=2 NV_NAK=1 NV=1 python3 test/test_tiny.py TestTiny.test_plus`