marcan/takeover.sh
Takeover.sh
This project provides specialized system utilities for deploying volatile rescue environments, managing root filesystems, and migrating live operating systems remotely. It functions as a tool for wiping and reinstalling a Linux system via SSH and serving as a remote OS migration tool.
The software enables the deployment of an in-memory rescue environment over SSH to perform emergency maintenance and disk modifications. It allows for the unmounting of root filesystems and the detachment of volumes from a live kernel to facilitate repartitioning and filesystem layout changes without requiring a physical reboot or external boot media.
The toolset covers live system recovery and remote OS reinstallation, utilizing the ability to exchange a running system for a new environment while maintaining the init process to prevent kernel panics.
Features
- System Recovery Tools - Provides a volatile in-memory rescue environment for emergency maintenance when the primary filesystem is inaccessible.
- Remote Root Unmounting - Detaches the original root filesystem and mounted volumes from the kernel to enable disk repartitioning.
- SSH-Based Remote Execution - Uses secure shell tunnels to transmit and execute system takeover scripts on remote hosts.
- Init Process Hijacking - Replaces the system initializer by blocking signals to prevent kernel panics during the transition to a new environment.
- Live OS Migration Tools - Exchanges a live running system for a new environment while maintaining the init process.
- RAM-Disk Boot Environments - Loads a minimal operating system into RAM to enable disk modifications while the kernel remains active.
- Root Filesystem Detachments - Allows unmounting the active disk partition to facilitate low-level repartitioning while the system remains powered on.
- Root Filesystem Managers - Provides utilities to unmount root filesystems and detach volumes from a live kernel to enable repartitioning.
- Volatile Rescue Environments - Deploys a volatile operating system over SSH to perform emergency maintenance and disk modifications.
- Remote System Recovery - Replaces a running OS with an in-memory rescue environment via SSH for maintenance without rebooting.
- Reinstallation Scripts - Automates the complete wiping and reinstallation of a Linux operating system over SSH.
- Remote System Reinstallers - Wipes and reinstalls a running Linux system via SSH without requiring a physical reboot.
- Remote Partitioning - Enables unmounting root filesystems via SSH to repartition disks without requiring a physical reboot.
- Kernel State Persistence - Maintains the init process and kernel stability while replacing the system initializer and root filesystem.
- Process Completion Waiting - Implements synchronization to wait for critical system processes to exit before transitioning the OS environment.
- Init Signal Blocking - Blocks signal delivery to the system initializer to prevent kernel panics when replacing the OS environment.
- Shell Utilities - Reinstalls a running Linux system remotely without requiring a reboot.
Star history
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