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报错内容
● tomcat8.service - LSB: Start Tomcat.
Loaded: loaded (/etc/init.d/tomcat8; bad; vendor preset: enabled)
Active: failed (Result: exit-code) since 五 2018-07-13 11:14:17 CST; 7ms ago
Docs: man:systemd-sysv-generator(8)
Process: 24050 ExecStart=/etc/init.d/tomcat8 start (code=exited, status=1/FAILURE)

7 月 13 11:14:12 kilig systemd[1]: Starting LSB: Start Tomcat....
7 月 13 11:14:12 kilig tomcat8[24050]: * Starting Tomcat servlet engine tomcat8
7 月 13 11:14:17 kilig tomcat8[24050]: ...fail!
7 月 13 11:14:17 kilig systemd[1]: tomcat8.service: Control process exited,...=1
7 月 13 11:14:17 kilig systemd[1]: Failed to start LSB: Start Tomcat..
7 月 13 11:14:17 kilig systemd[1]: tomcat8.service: Unit entered failed state.
7 月 13 11:14:17 kilig systemd[1]: tomcat8.service: Failed with result 'exi...'.
Hint: Some lines were ellipsized, use -l to show in full.
dpkg: 处理软件包 tomcat8 (--configure) 时出错：
子进程 已安装 post-installation 脚本 返回错误状态 1
在处理时有错误发生：
tomcat8
E: Sub-process /usr/bin/dpkg returned an error code (1)

解决办法
#解决这个问题需要备份 dpkg 下的 info, 然后自己创建一个新的 info，然后更新，再把新的 info 里的内容拷贝到旧的里面，旧的再改成 info, 在删除

790 sudo mv /var/lib/dpkg/info /var/lib/dpkg/info_old
791 sudo mkdir /var/lib/dpkg/info
792 sudo apt-get update
793 sudo apt-get -f install
794 sudo mv /var/lib/dpkg/info/* /var/lib/dpkg/info_old
795 sudo rm -rf /var/lib/dpkg/info
796 sudo mv /var/lib/dpkg/info_old /var/lib/dpkg/info