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在使用 apt-get 安装工具时，无论安装什么软件都会遇到这样子的错误：
dpkg: warning: files list file for package `tex-common' missing, assuming package has no files currently installed.
(Reading database ... 150177 files and directories currently installed.)
Preparing to replace tex-common 2.06ubuntu0.1 (using .../tex-common_2.06ubuntu0.1_all.deb) ...
Unpacking replacement tex-common ...
Processing triggers for doc-base ...
Processing 2 changed doc-base file(s)...
Registering documents with scrollkeeper...
Processing triggers for man-db ...
Setting up tex-common (2.06ubuntu0.1) ...
Running mktexlsr. This may take some time... done.
No packages found matching texlive-base.
dpkg: error processing tex-common (--configure):
subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
tex-common
E: Sub-process /usr/bin/dpkg returned an error code (1)
解决方法：
sudo apt-get purge tex-common
sudo apt-get install tex-common
其实就是将 tex-common 清除后，重装。
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ubuntu 无法解析主机的解决方法
1
sudo vi /etc/hosts
2 将下行修改为：
127.0.1.1 现在的主机名
如下图所示：
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有 1 个软件包没有被完全安装或卸载。
E: 无法获得锁 /var/cache/apt/archives/lock - open (11: 资源暂时不可用)
E: 无法对目录 /var/cache/a .....
打开终端，输入： ps -aux ，列出进程, 如果类似有如下进程
root 3382 0.0 0.1 8292 1684 pts/0 T 08:12 0:00 sudo apt-get install flashplugin-installer
直接杀死进程
sudo kill 3382
如果不行就强制杀死进程
sudo kill -9 3382
