devstack安装出现rabbitmq-server安装错误，rabbitmqserver

devstack安装出现rabbitmq-server安装错误，rabbitmqserver

devstack 安装openstack出现rabbitmq-server安装错误,因为修改过hostsname后,重新安装才导致这个错误,下面是解决办法. 问题: Starting rabbitmq-server: FAILED - check /var/log/rabbitmq/startup_log, _err   rabbitmq-server.   invoke-rc.d: initscript rabbitmq-server, action "start" failed.   dpkg: error processing rabbitmq-server (--configure):    subprocess installed post-installation script returned error exit status 1   Errors were encountered while processing:    rabbitmq-server   E: Sub-process /usr/bin/dpkg returned an error code (1)   解决办法: 1.确保hostname -f 正确,不正确编辑/etc/hosts和/etc/hostname两个文件确保一致 2.重启,reboot 3.删除rabbitmq-server, sudo apt-get remove rabbitmq-server  4.删除rabbitmq-server配置文件,sudo rm -Rf /var/lib/rabbitmq&sudo rm -rf /etc/rabbitmq 5.重新运行./stack.sh