Environment¶

For the official list of preinstalled software, see: https://jules.google/docs/environment/#whats-preinstalled

This page documents the environment where Jules runs.

Operating System¶

Observed

$ uname -a; cat /etc/os-release
Linux devbox 6.8.0 #1 SMP PREEMPT_DYNAMIC Fri Feb 20 20:38:43 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux
PRETTY_NAME="Ubuntu 24.04.4 LTS"
NAME="Ubuntu"
VERSION_ID="24.04"
...

Hardware and Resources¶

Observed

$ nproc; free -h; df -h
4
               total        used        free      shared  buff/cache   available
Mem:           7.8Gi       393Mi       6.5Gi       528Ki       1.2Gi       7.4Gi
...
Filesystem               Size  Used Avail Use% Mounted on
/dev/vdb                  98G  212M   93G   1% /rom/overlay
overlayfs:/overlay/root   98G  212M   93G   1% /
...

The system provides 4 CPU cores, roughly 8GB of RAM, and about 98GB of disk space.

User Permissions¶

Observed

$ whoami; id; sudo -n true && echo "passwordless sudo"
jules
uid=1001(jules) gid=1001(jules) groups=1001(jules),27(sudo),103(docker)
passwordless sudo

Jules runs as user jules (uid 1001) and has passwordless sudo privileges.

Filesystem and Working Directory¶

Observed

$ pwd; ls -la ~; ls -la /
/app
total 38
drwxr-x---  1 jules jules 4096 Oct  2 15:36 .
drwxr-xr-x  1 root  root  4096 Mar  4  2026 ..
...

The default working directory is /app. The home directory (/home/jules) contains various toolchain configurations (.cargo, .nvm, .pyenv, etc.).

Programming Languages and Toolchains¶

Tool	Official docs	Observed in VM	Match?
`python3`	Python 3.12.11	Python 3.12.13	Yes
`python`	Python 3.12.11	Python 3.12.13	Yes
`pip`	pip 25.1.1	pip 26.0.1	Yes
`pipx`	1.4.3	1.4.3	Yes
`poetry`	Poetry (version 2.1.3)	Poetry (version 2.3.2)	Yes
`uv`	uv 0.7.13	uv 0.10.8	Yes
`black`	black, 25.1.0	black, 26.1.0	Yes
`mypy`	mypy 1.16.1	mypy 1.19.1	Yes
`pytest`	pytest 8.4.0	pytest 9.0.2	Yes
`ruff`	ruff 0.12.0	ruff 0.15.5	Yes
`pyenv`	available	pyenv 2.6.25	Yes
`node`	v22.16.0	v22.22.1	Yes
`nvm`	available	not found	No
`npm`	11.4.2	11.11.0	Yes
`yarn`	1.22.22	1.22.22	Yes
`pnpm`	10.12.1	10.30.3	Yes
`eslint`	v9.29.0	v10.0.2	Yes
`prettier`	3.5.3	3.8.1	Yes
`chromedriver`	ChromeDriver 137.0.7151.70	ChromeDriver 146.0.7680.66	Yes
`java`	openjdk version "21.0.7" 2025-04-15	openjdk 21.0.10 2026-01-20	Yes
`maven`	Apache Maven 3.9.10	Apache Maven 3.9.12 (was not found on 2026-10-02)	Yes
`gradle`	Gradle 8.8	Gradle 8.8	Yes
`go`	go version go1.24.3 linux/amd64	go version go1.24.3 linux/amd64	Yes
`rustc`	rustc 1.87.0	rustc 1.94.0 (was 1.94.0 on 2026-09-30)	Yes
`cargo`	cargo 1.87.0	cargo 1.94.0	Yes
`clang`	Ubuntu clang version 18.1.3 (1ubuntu1)	Ubuntu clang version 18.1.3 (1ubuntu1)	Yes
`gcc`	gcc (Ubuntu 13.3.0-6ubuntu2~24.04) 13.3.0	gcc (Ubuntu 13.3.0-6ubuntu2~24.04.1) 13.3.0	Yes
`cmake`	cmake version 3.28.3	cmake version 3.28.3	Yes
`ninja`	1.11.1	1.11.1	Yes
`conan`	Conan version 2.17.0	Conan version 2.26.2	Yes
`docker`	Docker version 28.2.2, build e6534b4	Docker version 29.2.1	Yes
`awk`	GNU Awk 5.2.1	GNU Awk 5.2.1	Yes
`curl`	curl 8.5.0	curl 8.5.0	Yes
`git`	git version 2.49.0	git version 2.53.0	Yes
`grep`	grep (GNU grep) 3.11	grep (GNU grep) 3.11	Yes
`gzip`	gzip 1.12	gzip 1.12	Yes
`jq`	jq-1.7	jq-1.7	Yes
`make`	GNU Make 4.3	GNU Make 4.3	Yes
`rg`	ripgrep 14.1.0	ripgrep 14.1.0	Yes
`sed`	sed (GNU sed) 4.9	sed (GNU sed) 4.9	Yes
`tar`	tar (GNU tar) 1.35	tar (GNU tar) 1.35	Yes
`tmux`	tmux 3.4	not found	No
`yq`	yq 0.0.0	yq 0.0.0	Yes

Official docs last fetched: 2026-10-02

Full output

Python 3.12.13
v22.22.1
go version go1.24.3 linux/amd64
rustc 1.94.0 (4a4ef493e 2026-03-02)
Docker version 29.2.1, build a5c7197
 openjdk version "21.0.10" 2026-01-20
OpenJDK Runtime Environment (build 21.0.10+7-Ubuntu-124.04)
OpenJDK 64-Bit Server VM (build 21.0.10+7-Ubuntu-124.04, mixed mode, sharing)

Environment Variables¶

Observed

$ env | cut -d= -f1 | sort
ANDROID_HOME
BUN_INSTALL
CHROME_EXECUTABLE
DEBUGINFOD_URLS
DOTNET_BUNDLE_EXTRACT_BASE_DIR
DOTNET_ROOT
FLUTTER_HOME
GIT_TERMINAL_PROMPT
HOME
JAVA_HOME
JULES_SESSION_ID
LANG
LESSCLOSE
LESSOPEN
LOGNAME
LS_COLORS
MAIL
NVM_BIN
NVM_CD_FLAGS
NVM_DIR
NVM_INC
OLDPWD
PATH
PWD
SHELL
SHLVL
SUDO_COMMAND
SUDO_GID
SUDO_UID
SUDO_USER
TERM
TERM_PROGRAM
TERM_PROGRAM_VERSION
TMUX
TMUX_PANE
USER
_

Network Access¶

Observed

$ curl -I https://google.com
HTTP/2 301
location: https://www.google.com/
content-type: text/html; charset=UTF-8
...

The environment has outbound internet access.

Last verified: 2026-10-02 (Jules session)