E: Sub-process /usr/bin/dpkg returned an error code (1) 解决办法
在 Ubuntu 执行 sudo apt-get install 时，出现了如下的报错：
Setting up ssh (1:7.6p1-4ubuntu0.3) ... Processing triggers for libc-bin (2.27-3ubuntu1) ... Processing triggers for ca-certificates (20180409) ... Updating certificates in /etc/ssl/certs... 0 added, 0 removed; done. Running hooks in /etc/ca-certificates/update.d... done. Processing triggers for systemd (237-3ubuntu10.33) ... Processing triggers for initramfs-tools (0.130ubuntu3.9) ... Processing triggers for dbus (1.12.2-1ubuntu1.1) ... Errors were encountered while processing: rsyslog E: Sub-process /usr/bin/dpkg returned an error code (1)通过执行下面的命令可以解决该问题：
$ sudo mv /var/lib/dpkg/info/ /var/lib/dpkg/info_old/ $ sudo mkdir /var/lib/dpkg/info/ $ sudo apt-get update $ sudo apt-get -f install $ sudo mv /var/lib/dpkg/info/* /var/lib/dpkg/info_old/ $ sudo rm -rf /var/lib/dpkg/info $ sudo mv /var/lib/dpkg/info_old/ /var/lib/dpkg/info/输入上述命令之后，在执行
sudo apt-get update和sudo apt-get upgrade就不会有问题了。
作者：zuixin369
