ROS2雄辩的安装在Ubuntu 18.04.4 LTS中失败

问题描述 投票:1回答:1

参考此link,我正在将ROS2 Eloquent安装到我的Ubuntu 18.04.4 LTS中。

我的系统信息如下(通过uname -a

Linux myname 5.3.0-28-generic #30~18.04.1-Ubuntu SMP Fri Jan 17 06:14:09 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

我可以Setup LocaleSetup Sources没有问题。然后,来到安装ROS 2软件包

运行sudo apt更新后,我运行sudo apt install ros-eloquent-desktop并返回:

  The following packages will be upgraded:
    cpp-7 g++-7 gcc-7 gcc-7-base libasan4 libcilkrts5 libdrm-amdgpu1
  libdrm-common libdrm-intel1 libdrm-nouveau2 libdrm-radeon1 libdrm2 libexif12
  libgcc-7-dev libglib2.0-0 libglib2.0-bin libicu60 libjpeg-turbo8 libjson-c3
  libopenexr22 libpython2.7 libpython2.7-minimal libpython2.7-stdlib
  libpython3.6 libpython3.6-minimal libpython3.6-stdlib libsqlite3-0 libssl1.1
  libstdc++-7-dev libubsan0 libuuid1 libwayland-client0 libwayland-cursor0
  libwayland-egl1 libwayland-server0 libxml2 python3.6 python3.6-minimal
38 upgraded, 881 newly installed, 0 to remove and 196 not upgraded.
    Need to get 9,381 kB/432 MB of archives.
    After this operation, 1,967 MB of additional disk space will be used.
    Do you want to continue? [Y/n] y
    Ign:1 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 gcc-7 amd64 7.5.0-3ubuntu1~18.04
    Err:1 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 gcc-7 amd64 7.5.0-3ubuntu1~18.04
      Connection failed [IP: 91.189.88.152 80]
    E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/g/gcc-7/gcc-7_7.5.0-3ubuntu1~18.04_amd64.deb  Connection failed [IP: 91.189.88.152 80]
    E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

我截断了答复,只保留了我认为可以帮助您了解问题的最后一部分。我用谷歌搜索,但找不到解决方案。我也没有安装任何防火墙和防病毒软件。

请帮助。非常感谢。

ubuntu-18.04 ros2
1个回答
0
投票

我实际上已经解决了我的问题,但我认为您的方法更合适。如果将来我遇到类似的问题,它可以作为我的补救措施。无论如何,我所做的是:

我最终直接从http://security.ubuntu.com/ubuntu/pool/main/g/gcc-7/gcc-7_7.5.0-3ubuntu1~18.04_amd64.deb下载了deb软件包,然后通过命令安装它(ref:https://unix.stackexchange.com/questions/159094/how-to-install-a-deb-file-by-dpkg-i-or-by-apt

sudo dpkg -i path_to_the_deb
sudo apt --fix-broken install
sudo apt update

然后,我能够安装ros-eloquent-desktop。

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