我有一个名为 ~/.speedswapp 的文件，其中包含以下内容：
! Swap caps lock and escape
remove Lock = Caps_Lock
keysym Escape = Caps_Lock
keysym Caps_Lock = Escape
add Lock = Caps_Lock
...when I run xmodmap ~/.speedswapper, this switches the esc and Caps Lock keys. I have this line in my ~/.profile, so that whenever I log in these keys are switched.
However, if I plug in an external USB keyboard, this setting doesn't seem to persist. My laptop's keyboard works perfectly well, but I …
有时我发现自己安装了一个包，然后尝试使用相同的名称运行命令，例如使用geoip-bin包：
$ sudo apt install geoip-bin
[...]
$ geoip-bin
geoip-bin: command not found
如何找到与给定包关联的所有命令？