ubuntu安装python3.8_科学网—Ubuntu16.04安装Python3.8.5问题及解决方法 - 陈超的博文...

Ubuntu16.04安装Python3.8.5：

安装编译之后出现apt-get错误You might want to run 'apt-get -f install' to correct these:

The following packages have unmet dependencies:

libxml-parser-perl : Depends: libwww-perl but it is not going to be installed

printer-driver-gutenprint : Depends: cups (>= 1.3.0) but it is not going to be installed

printer-driver-splix : Depends: cups (>= 1.5.0-3~) but it is not going to be installed

python-httplib2 : Depends: ca-certificates but it is not going to be installed

python-pip : Depends: ca-certificates but it is not going to be installed

Recommends: python-dev-all (>= 2.6) but it is not installable

Recommends: python-wheel but it is not going to be installed

python-requests : Depends: ca-certificates but it is not going to be installed

python-requests-whl : Depends: ca-certificates but it is not going to be installed

python3-httplib2 : Depends: ca-certificates but it is not going to be installed

python3-requests : Depends: ca-certificates but it is not going to be installed

ruby1.9.1 : Depends: libruby1.9.1 (= 1.9.3.484-2ubuntu1.2) but it is not going to be installed

ssh-import-id : Depends: ca-certificates but it is not going to be installed

vim-gtk : Depends: libruby1.9.1 (>= 1.9.2.0) but it is not going to be installed

E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).

造成这种问题的原因是因为在Ubuntu下,例如Ubuntu 14.04或者16.04一般是不会出现broken dependencies,或者出现unmet dependencies, 但是如果我们使用dpkg强制安装了某些deb包,或者在build-dep的是否手动更改了某些Packages的文件和版本时, 那么在再次使用apt-get install或者build-dep来安装packages的时就很可能出现上面出现过的问题。

我们可以根据提示执行下命令，如果问题照旧，那我们尝试执行一下命令

解决办法如下：

first stepsudo apt-get -f install

sudo apt-get update

sudo apt-get upgrade

second step

sudo apt-get update

sudo apt-get clean

sudo apt-get autoremove

third step

sudo apt --fix-broken install

sudo apt-get update && sudo apt-get upgrade

sudo dpkg --configure -a

sudo apt-get install -f

连接地址：

最后解决：

ImportError: No module named _ssl问题

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