Sust Online Judge Worker

Usage

Prerequisites

Packages

sudo apt install build-essential clang++-9 libfmt-dev cmake

If the following text appears:

E: Unable to locate package clang++-9
E: Couldn't find any package by regex 'clang++-9'

You need to add a source to /etc/apt/sources.list:

deb http://deb.debian.org/debian/ testing main

Kernel

sudo nano /etc/default/grub

Add swapaccount=1 to GRUB_CMDLINE_LINUX_DEFAULT:

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash cgroup_enable=memory swapaccount=1"

And then run:

sudo update-grub

sudo reboot

Rootfs

sudo apt-get install debootstrap

debootstrap --components=main,universe buster /opt/rootfs https://mirrors.tuna.tsinghua.edu.cn/debian

sudo chroot /opt/rootfs /bin/bash

adduser sandbox

Build

git clone https://github.com/OpenSUST/sustoj-worker.git

cd sustoj-worker

npm install --production

npm run build

Run

sudo node index

Then edit the config.json file, and restart the process.

Add language support

sudo chroot /opt/rootfs /bin/bash

Then see: https://github.com/syzoj/sandbox-rootfs-ng/blob/master/install.sh

C/C++

Host install only.

apt-get install gcc g++

Java

Both host and virtual machine install.

# sudo mount --bind /dev/pts /opt/rootfs/dev/pts

mount -t proc proc /proc

apt-get install openjdk-11-jdk

Python

Virtual machine install only.

apt-get install python3.9

# or

apt-get install pypy3

Author

Shirasawa

License

MIT