如果你频繁的在你的系统中安装/卸载，那么不时的清理一下你的系统是十分必要的。
在Ubuntu终端中执行如下命令：
sudo apt-get autoremove
屏幕输出是这个样子的：
Reading package lists… Done
Building dependency tree
Reading state information… Done
The following packages were automatically installed and are no longer required:
libcommoncpp2-1.5.3-0
The following packages will be REMOVED
libcommoncpp2-1.5.3-0
0 upgraded, 0 newly installed, 1 to remove and 29 not upgraded.
Need to get 0B of archives.
After unpacking 688kB disk space will be freed.
Do you want to continue [Y/n]?
输入“Y”就可以删除这些包。
英文原文:
It’s worthwhile to do this every now again again on your ubuntu box when you’ve been installing and uninstalling new apps. This will go through and check which packages have been installed that are no longer needed. It will then remove them for you
sudo apt-get autoremove
Output looks like below
Reading package lists… Done
Building dependency tree
Reading state information… Done
The following packages were automatically installed and are no longer required:
libcommoncpp2-1.5.3-0
The following packages will be REMOVED
libcommoncpp2-1.5.3-0
0 upgraded, 0 newly installed, 1 to remove and 29 not upgraded.
Need to get 0B of archives.
After unpacking 688kB disk space will be freed.
Do you want to continue [Y/n]?
Here you need to select Y to remove these packages