我刚刚从我的 ubuntu 16.04 系统中删除了一个包。删除包后，终端显示如下警告：
Removing gitlab-ce (8.10.4-ce.0) ...
Purging configuration files for gitlab-ce (8.10.4-ce.0)...
dpkg: warning: while removing gitlab-ce, directory '/opt/gitlab/sv' not empty so not removed
dpkg: warning: while removing gitlab-ce, directory '/opt/gitlab/etc' not empty so not removed
dpkg: warning: while removing gitlab-ce, directory '/opt/gitlab/service' not empty so not removed
dpkg: warning: while removing gitlab-ce, directory '/opt/gitlab/embedded/cookbooks' not empty so not removed
dpkg: warning: while removing gitlab-ce, directory '/opt/gitlab/embedded/ssl/certs' not empty so not removed
dpkg: warning: while removing gitlab-ce, directory …