Debian subsystem for Linux

The Debian subsystem integration enhances host distributions by enabling the execution of chrooted command-line and graphical applications from Debian. This integration relies on a chroot environment to facilitate seamless operation of Debian applications within the host environment.

How to build

# build project
make
# install project
make install
# set suid bit
chmod u+s /bin/lsl
# copy rootfs into /var/lib/subsystem directory (or use debootstrap)
debootstrap --arch=amd64 stable /var/lib/subsystem

Optional: Building PAM Module

A PAM module is available to automatically synchronize the subsystem during login, though it's disabled by default. To build and enable the PAM module, use the following commands:

# build pam module
make pam
# install pam module
make install_pam
# enable module
echo -e "auth\toptional\tpam_lsl.so" >> /etc/pam.d/system-auth
# Note: The file name may vary on your system.

How to use

For creating shell:

lsl /bin/bash

Or directly run a command

sudo lsl apt install nano

Features

• Written pure C without any dependencies
• Open files with subsystem applications
• Home directory is common
• Doesn't need a service

Bug report:

https://gitlab.com/sulincix/debian-subsystem/-/issues

Mirrors:

• https://gitlab.com/sulincix/debian-subsystem (main)
• https://github.com/sulincix/debian-subsystem