Ubuntu 16.04上的Octave依赖问题
我正在尝试在新安装的Ubuntu 16.04上安装octave。 所以我尝试了这些命令：
sudo apt-add-repository ppa:octave/stable sudo apt-get update sudo apt-get install octave 在’sudo apt-get update’之后，我收到了这个错误和警告：
Err:9 http://ppa.launchpad.net/octave/stable/ubuntu xenial/main amd64 Packages 404 Not Found Err:10 http://ppa.launchpad.net/octave/stable/ubuntu xenial/main i386 Packages 404 Not Found W: The repository 'http://ppa.launchpad.net/octave/stable/ubuntu xenial Release' does not have a Release file. N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use. N: See apt-secure(8) manpage for repository creation and user configuration details. E: Failed to fetch http://ppa.launchpad.net/octave/stable/ubuntu/dists/xenial/main/binary-amd64/Packages 404 Not Found E: Failed to fetch http://ppa.launchpad.net/octave/stable/ubuntu/dists/xenial/main/binary-i386/Packages 404 Not Found E: Some index files failed to download. They have been ignored, or old ones used instead.
在’sudo apt-get install octave’之后：
Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: octave : Depends: libarpack2 (>= 2.1) but it is not going to be installed Depends: libcholmod3.0.6 but it is not going to be installed Depends: liboctave3 (= 4.0.0-3ubuntu9) but it is not going to be installed Depends: libosmesa6 (>= 10.2~) but it is not going to be installed Recommends: libopenblas-base but it is not going to be installed or libatlas3-base but it is not going to be installed E: Unable to correct problems, you have held broken packages.
在这之后，当我尝试’sudo apt-get -f install’时：
Reading package lists... Done Building dependency tree Reading state information... Done 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
我已经尝试安装依赖项，以便我可以编译源代码，并出现类似的错误（sudo apt-get install libarpack2）：
Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: libarpack2 : Depends: libgfortran3 (>= 4.6) but it is not going to be installed Depends: liblapack3 but it is not going to be installed or liblapack.so.3 E: Unable to correct problems, you have held broken packages.
我现在能做什么？
16.04是新的，并且所有软件包都不能在所有服务器中使用。 使用主服务器下载包将解决您的问题。
- 系统设置
- 软件和更新
- 从“从下载”部分选择“主服务器”