我尝试使用sudo apt-get install beanstalkd（也使用-f选项）安装 beanstalkd，但出现以下错误：
Reading package lists... Done
Building dependency tree
Reading state information... Done
You might want to run `apt-get -f install' to correct these:
The following packages have unmet dependencies:
beanstalkd: Depends: libevent-1.4-2 (>= 1.4.13-stable) but it is not going to be installed
mysql-server-5.1: Depends: mysql-client-5.1 (>= 5.1.62-0ubuntu0.10.04.1) but it is not going to be installed
Depends: libmysqlclient16 (>= 5.1.21-1) but it is not going to be installed
Depends: mysql-server-core-5.1 (>= 5.1.62-0ubuntu0.10.04.1) but …有没有办法在“消息菜单”图标上显示未读计数，而无需打开它？我正在使用 Ubuntu 11.04。