yum -y swap -- remove systemd-container systemd-container-libs -- install systemd systemd-libs
yum -y install openssh-server
错误信息：
Running transaction check
Running transaction test
Transaction check error:
file /usr/lib64/libsystemd-daemon.so.0 from install of systemd-libs-219-30.el7_3.8.x86_64 conflicts with file from package systemd-container-libs-208.20-6.el7.centos.x86_64
file /usr/lib64/libsystemd-id128.so.0 from install of systemd-libs-219-30.el7_3.8.x86_64 conflicts with file from package systemd-container-libs-208.20-6.el7.centos.x86_64
file /usr/lib64/libsystemd-journal.so.0 from install of systemd-libs-219-30.el7_3.8.x86_64 conflicts with file from package systemd-container-libs-208.20-6.el7.centos.x86_64
file /usr/lib64/libsystemd-login.so.0 from install of systemd-libs-219-30.el7_3.8.x86_64 conflicts with file from package systemd-container-libs-208.20-6.el7.centos.x86_64
file /usr/lib64/libudev.so.1 from install of systemd-libs-219-30.el7_3.8.x86_64 conflicts with file from package systemd-container-libs-208.20-6.el7.centos.x86_64
file /usr/lib64/security/pam_systemd.so from install of systemd-libs-219-30.el7_3.8.x86_64 conflicts with file from package systemd-container-libs-208.20-6.el7.centos.x86_64
Error Summary
-------------
原文：
https://access.redhat.com/solutions/1991013
