系統：Centos6.9
操作：yum install -y *.rpm
報錯信息:
Transaction Summary ========================================== Install 28 Package(s) Upgrade 7 Package(s) Total size: 1.4 G Downloading Packages: warning: rpmts_HdrFromFdno: Header V3 RSA/SHA1 Signature, key ID c105b9de: NOKEY Retrieving key from http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6 GPG key retrieval failed: [Errno 14] PYCURL ERROR 56 - "Failure when receiving data from the peer"
分析：報錯信息中說明不能下載到文件：RPM-GPG-KEY-CentOS-6，可能是源配置有問題， 在此我用的是163的源，對於key的配置是這樣的：gpgkey=http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-6，用wget試着下載，也報錯："HTTP request sent, awaiting response..."，至此陷入僵局。后來看到系統默認源里有這樣的配置：gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6，也就是說這個文件在系統中是默認存在的，根本不需要下載，於是把163里的gpgkey也指向了此文件，然后再安裝的時候就正常了。