解决 CentOS yum 安装 pgadmin4 报 nothing provides python3-*** 的问题
#CentOS#PostgreSQL#运维
环境
CentOS8 (最小安装)
Python3 (yum/dnf安装)
问题描述
安装时提示缺少 python3-alembic 等包， 但是安装了 python3 仍然提示找不到包。
[root@HyperV-PSQL ~]# yum -y install pgadmin4
上次元数据过期检查：0:11:32 前，执行于 2020年03月10日 星期二 11时35分24秒。
错误：
问题: package pgadmin4-4.19-1.rhel8.x86_64 requires pgadmin4-web, but none of the providers can be installed
- cannot install the best candidate for the job
- nothing provides python3-alembic needed by pgadmin4-web-4.16-1.rhel8.noarch
- nothing provides pgadmin4-python3-unittest2 needed by pgadmin4-web-4.16-1.rhel8.noarch
- nothing provides python3-blinker >= 1.4 needed by pgadmin4-web-4.16-1.rhel8.noarch
- nothing provides python3-beautifulsoup4 >= 4.4.1 needed by pgadmin4-web-4.16-1.rhel8.noarch
- nothing provides python3-flask-sqlalchemy >= 2.3.2 needed by pgadmin4-web-4.16-1.rhel8.noarch
- nothing provides python3-alembic needed by pgadmin4-web-4.16-2.rhel8.noarch
- nothing provides python3-unittest2 needed by pgadmin4-web-4.16-2.rhel8.noarch
- nothing provides python3-blinker >= 1.4 needed by pgadmin4-web-4.16-2.rhel8.noarch
- nothing provides python3-beautifulsoup4 >= 4.4.1 needed by pgadmin4-web-4.16-2.rhel8.noarch
- nothing provides python3-alembic needed by pgadmin4-web-4.17-1.rhel8.noarch
- nothing provides python3-unittest2 needed by pgadmin4-web-4.17-1.rhel8.noarch
- nothing provides python3-blinker >= 1.4 needed by pgadmin4-web-4.17-1.rhel8.noarch
- nothing provides python3-beautifulsoup4 >= 4.4.1 needed by pgadmin4-web-4.17-1.rhel8.noarch
- nothing provides python3-alembic needed by pgadmin4-web-4.17-2.rhel8.noarch
- nothing provides python3-unittest2 needed by pgadmin4-web-4.17-2.rhel8.noarch
- nothing provides python3-bcrypt needed by pgadmin4-web-4.17-2.rhel8.noarch
- nothing provides python3-pynacl needed by pgadmin4-web-4.17-2.rhel8.noarch
- nothing provides python3-blinker >= 1.4 needed by pgadmin4-web-4.17-2.rhel8.noarch
- nothing provides python3-beautifulsoup4 >= 4.4.1 needed by pgadmin4-web-4.17-2.rhel8.noarch
- nothing provides python3-alembic needed by pgadmin4-web-4.18-1.rhel8.noarch
- nothing provides python3-unittest2 needed by pgadmin4-web-4.18-1.rhel8.noarch
- nothing provides python3-bcrypt needed by pgadmin4-web-4.18-1.rhel8.noarch
- nothing provides python3-pynacl needed by pgadmin4-web-4.18-1.rhel8.noarch
- nothing provides python3-blinker >= 1.4 needed by pgadmin4-web-4.18-1.rhel8.noarch
- nothing provides python3-beautifulsoup4 >= 4.4.1 needed by pgadmin4-web-4.18-1.rhel8.noarch
- nothing provides python3-bcrypt needed by pgadmin4-web-4.19-1.rhel8.noarch
- nothing provides python3-pynacl needed by pgadmin4-web-4.19-1.rhel8.noarch
- nothing provides python3-blinker >= 1.4 needed by pgadmin4-web-4.19-1.rhel8.noarch
(尝试添加 '--skip-broken' 来跳过无法安装的软件包 或 '--nobest' 来不只使用最佳选择的软件包)
原因
官方的 rpm repository 没有提供对应的包。
解决方法
安装 EPEL：
yum install epel-release -y