我应该为Nagios安装哪个mailx软件包?
我正在遵循Nagios Ubuntu快速入门说明。我正在Ubuntu 10.10上并安装Nagios 3.2.3。 在文档底部,它说我需要安装mailx和postfix软件包。(已经安装了Postfix。)但是,当我尝试安装mailx时,系统会询问我要安装3个软件包中的哪个: $ sudo apt-get install mailx [sudo] password for nagios: Reading package lists... Done Building dependency tree Reading state information... Done Package mailx is a virtual package provided by: mailutils 1:2.1+dfsg1-4ubuntu1 heirloom-mailx 12.4-1.1 bsd-mailx 8.1.2-0.20090911cvs-2ubuntu1 You should explicitly select one to install. E: Package mailx has …