conda 安裝時Segmentation fault 的解決辦法

1. 背景

有時候，使用conda安裝包的時候，時不時會報：

Segmentation fault (core dumped)

很多時候出現這種情況，是因為之前安裝包只下載了一半，然后本地進行離線安裝，具體的離線安裝參考：anaconda 離線安裝大包

這個時候需要將包先清理掉，用到conda clean命令。

 

2. conda clean主要參數

$ conda clean -H
usage: conda clean [-h] [-a] [-i] [-l] [-p] [-t] [-f]
                   [-c TEMPFILES [TEMPFILES ...]] [-d] [--json] [-q] [-v] [-y]

Remove unused packages and caches.

Options:

optional arguments:
  -h, --help            Show this help message and exit.

Removal Targets:
  -a, --all             Remove index cache, lock files, unused cache packages,
                        and tarballs.
  -i, --index-cache     Remove index cache.
  -l, --lock            Remove all conda lock files.
  -p, --packages        Remove unused packages from writable package caches.
                        WARNING: This does not check for packages installed
                        using symlinks back to the package cache.
  -t, --tarballs        Remove cached package tarballs.
  -f, --force-pkgs-dirs
                        Remove *all* writable package caches. This option is
                        not included with the --all flag. WARNING: This will
                        break environments with packages installed using
                        symlinks back to the package cache.
  -c TEMPFILES [TEMPFILES ...], --tempfiles TEMPFILES [TEMPFILES ...]
                        Remove temporary files that could not be deleted
                        earlier due to being in-use. Argument is path(s) to
                        prefix(es) where files should be found and removed.

Output, Prompt, and Flow Control Options:
  -d, --dry-run         Only display what would have been done.
  --json                Report all output as json. Suitable for using conda
                        programmatically.
  -q, --quiet           Do not display progress bar.
  -v, --verbose         Can be used multiple times. Once for INFO, twice for
                        DEBUG, three times for TRACE.
  -y, --yes             Do not ask for confirmation.

Examples:

    conda clean –tarballs

常用命令：

• 刪除從不使用的包
  

  $ conda clean --packages

• 刪除tar包
  

  $ conda clean --tarballs

• 刪除索引緩存、鎖定文件、未使用過的包和tar包
  

  $ conda clean –a

 

為了解決Segmentation fault 的問題，使用-a參數，清理掉所有緩存、鎖定文件和未使用過的包。

然后重新安裝。

 

3. 參考

Conda clean 凈化Anaconda

（完）