No ROS_WORKSPACE set. Please set ROS_WORKSPACE to use roscd with no arguments.

本文介绍了如何设置ROS_WORKSPACE以解决使用roscd时的错误提示,包括创建ROS工作区、使用rosws管理overlay、创建新overlay、添加新包、更新repository等步骤,并提到了遇到的编码问题。

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robot@robot:~$ roscd
No ROS_WORKSPACE set.  Please set ROS_WORKSPACE to use roscd with no arguments.
robot@robot:~$ sudo -s
[sudo] password for robot:
root@robot:~# source /opt/ros/fuerte/setup.bash ///////每次启动都要做 很奇怪
root@robot:~# export ROS_PACKAGE_PATH=~/ros_workspace:$ROS_PACKAGE_PATH

root@robot:~# export ROS_WORKSPACE=~/ros_workspace



root@robot:~# rosws init ~/ros_workspace /opt/ros/fuerte
Error: There already is a workspace config file .rosinstall at "/home/robot/ros_workspace". Use rosws install/modify.
root@robot:~# source ~/ros_workspace/setup.bash
root@robot:~# roscd
root@robot:~/ros_workspace# mkdir ~/ros_workspace/robot_vision
root@robot:~/ros_workspace# rosws set ~/ros_workspace/robot_vision

     Add new elements:
  robot_vision

Continue: (y)es, (n)o: y
Overwriting /home/robot/ros_workspace/.rosinstall

Do not forget to do ...
$ source /home/robot/ros_workspace/setup.sh
... in every open terminal.
root@robot:~/ros_workspace# source /home/robot/ros_workspace/setup.sh






source /home/robot/ros_workspace/setup.sh


//////////////////////////////////////////////////////////////////////

ROS 工作目录的设置(待完善,仅供参考)

ROS 安装完成后,按照网站的学校步骤,下一步就是进行基本命令的熟悉和Package的创建等入门动作,其中包括Pack的创建和搜索等。

但是运行roscd时,会提示没有设置的错误信息:No ROS_WORKSPACE set.  Please set ROS_WORKSPACE to use roscd with no arguments.。。原来在安装ros系统后需要设置工作目录,这个步骤在一个比较隐蔽的地方,因此,没有发现,主要步骤如下:

1. Installation

To install rosws, install the Debian packagepython-rosinstall:

我希望在ununtu22.04上安装ros1,但是失败了,以下是我的尝试过程,请给我在此基础上能成功安装ros1的一步步教程(base) casbot@casbot:~$ sudo sed -i 's|https://raw.githubusercontent.com/ros/rosdistro/master|https://mirrors.tuna.tsinghua.edu.cn/rosdistro|g' /etc/ros/rosdep/sources.list.d/20-default.list sed: can't read /etc/ros/rosdep/sources.list.d/20-default.list: No such file or directory (base) casbot@casbot:~$ sudo rosdep init Wrote /etc/ros/rosdep/sources.list.d/20-default.list Recommended: please run rosdep update (base) casbot@casbot:~$ ^C (base) casbot@casbot:~$ rosdep update reading in sources list data from /etc/ros/rosdep/sources.list.d Hit https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/osx-homebrew.yaml Hit https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/base.yaml Hit https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/python.yaml Hit https://raw.githubusercontent.com/ros/rosdistro/master/rosdep/ruby.yaml Hit https://raw.githubusercontent.com/ros/rosdistro/master/releases/fuerte.yaml Query rosdistro index https://raw.githubusercontent.com/ros/rosdistro/master/index-v4.yaml Skip end-of-life distro "ardent" Skip end-of-life distro "bouncy" Skip end-of-life distro "crystal" Skip end-of-life distro "dashing" Skip end-of-life distro "eloquent" Skip end-of-life distro "foxy" Skip end-of-life distro "galactic" Skip end-of-life distro "groovy" Add distro "humble" Skip end-of-life distro "hydro" Skip end-of-life distro "indigo" Skip end-of-life distro "iron" Skip end-of-life distro "jade" Add distro "jazzy" Add distro "kilted" Skip end-of-life distro "kinetic" Skip end-of-life distro "lunar" Skip end-of-life distro "melodic" Skip end-of-life distro "noetic" Add distro "rolling" updated cache in /home/casbot/.ros/rosdep/sources.cache (base) casbot@casbot:~$ cd ~/ros_catkin_ws (base) casbot@casbot:~/ros_catkin_ws$ rosinstall_generator desktop_full --rosdistro noetic --deps \ --exclude roslisp \ --local index-v4.yaml \ > noetic-desktop.rosinstall usage: rosinstall_generator [-h] [--debug] [--verbose] --rosdistro ROSDISTRO [--from-path [FROM_PATH ...]] [--repos [reponame ...]] [--upstream | --upstream-development] [--deps | --deps-up-to [DEPS_UP_TO ...]] [--deps-depth N] [--deps-only] [--wet-only | --dry-only | --catkin-only | --non-catkin-only] [--exclude [EXCLUDE ...]] [--exclude-path [EXCLUDE_PATH ...]] [--flat] [--tar] [--format {rosinstall,repos}] [pkgname ...] rosinstall_generator: error: unrecognized arguments: --local index-v4.yaml (base) casbot@casbot:~/ros_catkin_ws$ rosinstall_generator desktop_full --rosdistro noetic --deps > noetic-desktop.rosinstall Traceback (most recent call last): File "/usr/lib/python3/dist-packages/rosdistro/loader.py", line 43, in load_url fh = urlopen(url, timeout=timeout) File "/usr/lib/python3.10/urllib/request.py", line 216, in urlopen return opener.open(url, data, timeout) File "/usr/lib/python3.10/urllib/request.py", line 519, in open response = self._open(req, data) File "/usr/lib/python3.10/urllib/request.py", line 536, in _open result = self._call_chain(self.handle_open, protocol, protocol + File "/usr/lib/python3.10/urllib/request.py", line 496, in _call_chain result = func(*args) File "/usr/lib/python3.10/urllib/request.py", line 1391, in https_open return self.do_open(http.client.HTTPSConnection, req, File "/usr/lib/python3.10/urllib/request.py", line 1352, in do_open r = h.getresponse() File "/usr/lib/python3.10/http/client.py", line 1375, in getresponse response.begin() File "/usr/lib/python3.10/http/client.py", line 318, in begin version, status, reason = self._read_status() File "/usr/lib/python3.10/http/client.py", line 279, in _read_status line = str(self.fp.readline(_MAXLINE + 1), "iso-8859-1") File "/usr/lib/python3.10/socket.py", line 705, in readinto return self._sock.recv_into(b) File "/usr/lib/python3.10/ssl.py", line 1303, in recv_into return self.read(nbytes, buffer) File "/usr/lib/python3.10/ssl.py", line 1159, in read return self._sslobj.read(len, buffer) TimeoutError: The read operation timed out During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/usr/bin/rosinstall_generator", line 33, in <module> sys.exit(load_entry_point('rosinstall-generator==0.1.23', 'console_scripts', 'rosinstall_generator')()) File "/usr/lib/python3/dist-packages/rosinstall_generator/cli.py", line 155, in main rosinstall_data = generate_rosinstall(args.rosdistro, args.package_names, File "/usr/lib/python3/dist-packages/rosinstall_generator/generator.py", line 267, in generate_rosinstall wet_package_names, unreleased_repo_names = _get_packages_for_repos(distro_name, repo_names, source=upstream_source_version) File "/usr/lib/python3/dist-packages/rosinstall_generator/generator.py", line 93, in _get_packages_for_repos wet_distro = get_wet_distro(distro_name) File "/usr/lib/python3/dist-packages/rosinstall_generator/generator.py", line 224, in get_wet_distro _wet_distro = _get_wet_distro(distro_name) File "/usr/lib/python3/dist-packages/rosinstall_generator/distro.py", line 45, in get_distro index = get_index(get_index_url()) File "/usr/lib/python3/dist-packages/rosdistro/__init__.py", line 102, in get_index yaml_str = load_url(url) File "/usr/lib/python3/dist-packages/rosdistro/loader.py", line 56, in load_url raise socket.timeout(str(e) + ' (%s)' % url) TimeoutError: The read operation timed out (https://raw.githubusercontent.com/ros/rosdistro/master/index-v4.yaml) (base) casbot@casbot:~/ros_catkin_ws$ wget https://ghproxy.com/https://raw.githubusercontent.com/ros/rosdistro/master/index-v4.yaml --2025-07-22 15:09:11-- https://ghproxy.com/https://raw.githubusercontent.com/ros/rosdistro/master/index-v4.yaml Resolving ghproxy.com (ghproxy.com)... 144.24.81.189 Connecting to ghproxy.com (ghproxy.com)|144.24.81.189|:443... connected. Unable to establish SSL connection. (base) casbot@casbot:~/ros_catkin_ws$ rosinstall_generator desktop_full --rosdistro noetic --deps \ --exclude roslisp \ --local index-v4.yaml \ > noetic-desktop.rosinstall usage: rosinstall_generator [-h] [--debug] [--verbose] --rosdistro ROSDISTRO [--from-path [FROM_PATH ...]] [--repos [reponame ...]] [--upstream | --upstream-development] [--deps | --deps-up-to [DEPS_UP_TO ...]] [--deps-depth N] [--deps-only] [--wet-only | --dry-only | --catkin-only | --non-catkin-only] [--exclude [EXCLUDE ...]] [--exclude-path [EXCLUDE_PATH ...]] [--flat] [--tar] [--format {rosinstall,repos}] [pkgname ...] rosinstall_generator: error: unrecognized arguments: --local index-v4.yaml (base) casbot@casbot:~/ros_catkin_ws$ ^C (base) casbot@casbot:~/ros_catkin_ws$
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