90 lines
2.5 KiB
Markdown
90 lines
2.5 KiB
Markdown
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# Mentalnet GNU/Linux
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A light, TTY-only GNU/Linux distribution for 90s Intel Pentium-class
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(i586) machines, built with [Buildroot](https://buildroot.org).
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<p align="center">
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<img src="logos/mnlogo-text.png" alt="Mentalnet GNU/Linux — Modern GNU/Linux for Legacy i586 Pentiums" width="400">
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</p>
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The ISO is a live CD: the entire system runs from the CD with a
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read-only root filesystem, and the same CD carries a built-in hard
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disk installer (`mentalnet-install`).
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## Current release
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**R1 "FirstStorm"** — named after DECO*27's
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*Chūlán ~First Storm~* (初嵐～First Storm～).
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## Versioning
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- Major releases bump the `R<n>` number (`R1`, `R2`, ...).
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- Minor releases keep the `R<n>` base version and use the codename as
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the minor version.
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- All codenames are taken from Vocaloid, Hatsune Miku or Kasane Teto
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songs.
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| Release | Codename | Song | Notes |
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|---------|----------|------|-------|
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| R1 | Mesmerizer | *Mesmerizer* — 32ki (Hatsune Miku & Kasane Teto) | Initial release |
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| R1 | **FirstStorm** | *Chūlán ~First Storm~ (初嵐～First Storm～)* — DECO*27 | **Current** — swap-free installer, true i586 support, terminal/input hardening, interrupt-storm fixes |
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## Quick facts
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|---|---|
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| Login | `root` / `mnlinux` |
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| Hostname | `mentalnet` |
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| Kernel | `6.12.104-mentalnet-intel32` |
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| Media | Live CD with built-in installer |
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| CPU | i586 (Pentium / Pentium MMX) or any newer x86 |
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| RAM | 128 MB minimum (64 MB usually works) |
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## Security after install
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The default root password is **`mnlinux`** — please change it after
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installing:
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```
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passwd
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```
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Then, for day-to-day use, create a regular user and give it sudo
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privileges (sudo is included in the build):
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```
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adduser myuser
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```
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You have two options to grant sudo:
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- Add the user to the `sudo` group, which the shipped sudoers file
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already trusts:
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```
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addgroup myuser sudo
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```
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- Or, if you prefer the classic `wheel` group, enable it with
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`visudo` (uncomment the `%wheel` line) and add the user to it:
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```
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visudo
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addgroup myuser wheel
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```
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**Verify that sudo works for the new user before locking root** —
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log in as the user and run, for example, `sudo ls /`.
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Once sudo is confirmed working, lock the root account so it cannot
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be accessed (SSH included):
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```
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passwd -l root
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```
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## Documentation
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The full install and test guide — hardware requirements, QEMU
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testing, the install walkthrough and troubleshooting — lives in
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[`board/mentalnet/INSTALL-GUIDE.md`](board/mentalnet/INSTALL-GUIDE.md).
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