通过终端安装程序sudo apt-get install banner 时出错：
E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it
解决办法：
输入下面两行命令来解锁
sudo rm /var/cache/apt/archives/lock
sudo rm /var/lib/dpkg/lock
这是可能还不能解决你的问题，我们需要更新一下
sudo apt-get update
然后进行安装
sudo apt-get install sysvbanner
有趣的命令;
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