1、问题：
yum -y install docker-io Loaded plugins: fastestmirror, refresh-packagekit, security Setting up Install Process Loading mirror speeds from cached hostfile * epel: mirrors.tuna.tsinghua.edu.cn * local: Resolving Dependencies --> Running transaction check ---> Package docker-io.x86_64 0:1.7.1-2.el6 will be installed --> Processing Dependency: lxc for package: docker-io-1.7.1-2.el6.x86_64 --> Processing Dependency: libcgroup for package: docker-io-1.7.1-2.el6.x86_64 --> Running transaction check ---> Package libcgroup.x86_64 0:0.40.rc1-12.el6 will be installed ---> Package lxc.x86_64 0:1.0.9-1.el6 will be installed --> Processing Dependency: lua-lxc(x86-64) = 1.0.9-1.el6 for package: lxc-1.0.9-1.el6.x86_64 --> Processing Dependency: lua-alt-getopt for package: lxc-1.0.9-1.el6.x86_64 --> Processing Dependency: liblxc.so.1()(64bit) for package: lxc-1.0.9-1.el6.x86_64 --> Running transaction check ---> Package lua-alt-getopt.noarch 0:0.7.0-1.el6 will be installed ---> Package lua-lxc.x86_64 0:1.0.9-1.el6 will be installed --> Processing Dependency: lua-filesystem for package: lua-lxc-1.0.9-1.el6.x86_64 ---> Package lxc-libs.x86_64 0:1.0.9-1.el6 will be installed --> Running transaction check ---> Package lua-filesystem.x86_64 0:1.4.2-1.el6 will be installed --> Finished Dependency Resolution Dependencies Resolved ===================================================================================================================================================================================== Package Arch Version Repository Size ===================================================================================================================================================================================== Installing: docker-io x86_64 1.7.1-2.el6 epel 4.6 M Installing for dependencies: libcgroup x86_64 0.40.rc1-12.el6 local 128 k lua-alt-getopt noarch 0.7.0-1.el6 epel 6.9 k lua-filesystem x86_64 1.4.2-1.el6 epel 24 k lua-lxc x86_64 1.0.9-1.el6 epel 16 k lxc x86_64 1.0.9-1.el6 epel 122 k lxc-libs x86_64 1.0.9-1.el6 epel 257 k Transaction Summary ===================================================================================================================================================================================== Install 7 Package(s) Total size: 5.1 M Total download size: 128 k Installed size: 20 M Downloading Packages: warning: rpmts_HdrFromFdno: Header V3 RSA/SHA256 Signature, key ID 0608b895: NOKEY Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6 Importing GPG key 0x0608B895: Userid : EPEL (6) <epel@fedoraproject.org> Package: epel-release-6-8.noarch (installed) From : /etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6 warning: rpmts_HdrFromFdno: Header V3 RSA/SHA1 Signature, key ID c105b9de: NOKEY Public key for libcgroup-0.40.rc1-12.el6.x86_64.rpm is not installed
2、解决方案
rpm --import /etc/pki/rpm-gpg/RPM*
导入新的key 就行了。