由于拜服于mpd的轻巧和简单，决心安装这个linux下最好用的音乐播放器。
（现在已经可以支持ape了）
在ubuntu安装很简单：
sudo apt-get install mpd mpc sonata
sonata是一个同样简洁的前端，配合mpd使用
但是使用过程中却遇到了一些麻烦，首先是
更改了端口一样没有效果，烦躁中卸载了mpd打算重新编译，
但发现源码编译还要自己安装库如libcue等，于是放弃。
重新安装是出现：
正在设置 mpd (0.14.2-3ubuntu2) ...
* Starting Music Player Daemon mpd problem opening log file "/home/jack/音乐/mpd/mpd.log" (config line 11) for writing
Aborted
[fail]
invoke-rc.d: initscript mpd, action "start" failed.
dpkg：处理 mpd (--configure)时出错：
子进程 post-installation script 返回了错误号 134
正在处理用于 libc6 的触发器...
ldconfig deferred processing now taking place
在处理时有错误发生：
mpd
E: Sub-process /usr/bin/dpkg returned an error code (1)
解决办法是：
sudo rm /var/lib/dpkg/info/mpd.postinst
sudo apt-get --reinstall install mpd
回到上面的端口占用问题，解决办法是编辑／etc/hosts文件，
去掉里面的ipv6支持如下：
# The following lines are desirable for IPv6 capable hosts
#::1 localhost ip6-localhost ip6-loopback
#fe00::0 ip6-localnet
#ff00::0 ip6-mcastprefix
#ff02::1 ip6-allnodes
#ff02::2 ip6-allrouters
#ff02::3 ip6-allhosts
这样就可以修改~/.mpdconf文件来配置mpd了，我的.mpdconf部分如下：
######################## REQUIRED PATHS ########################
# You can put symlinks in here, if you like. Make sure that
# the user that mpd runs as (see the 'user' config parameter)
# can read the files in this directory.
music_directory "/home/jack/音乐"
playlist_directory "/home/jack/音乐/mpd/playlists"
db_file "/home/jack/音乐/mpd/tag_cache"
log_file "/home/jack/音乐/mpd/mpd.log"
error_file "/home/jack/音乐/mpd/errors.log"
################################################################
######################## OPTIONAL PATHS ########################
#
# If you wish to use mpd --kill to stop MPD, then you must
# specify a file here in which to store MPD's process ID.
#
pid_file "/home/jack/音乐/mpd/pid"
#
# If specified, MPD will save its current state (playlist,
# current song, playing/paused, etc.) at exit. This will be
# used to restore the session the next time it is run.
#
state_file "/home/jack/音乐/mpd/state"
#
################################################################
######################## DAEMON OPTIONS ########################
#
# If started as root, MPD will drop root privileges and run as
# this user instead. Otherwise, MPD will run as the user it was
# started by. If left unspecified, MPD will not drop root
# privileges at all (not recommended).
#
user "mpd"
#
# The address and port to listen on.
#
#bind_to_address "127.0.0.1"
bind_to_address "localhost"
port "6600"
#
# If the address is a path, then a UNIX domain socket will be
# created instead of listening on a TCP port.
#
#bind_to_address "/var/run/mpd/sock"
#
# Controls the amount of information that is logged. Can be
# "default", "secure", or "verbose".
#
#log_level "default"
#
################################################################
########################## AUDIO OUTPUT ########################
#
audio_output {
type "pulse"
name "My MPD PulseAudio Output"
}
＃
################################################################
###################### CHARACTER ENCODINGS #####################
#
# If file or directory names do not display correctly, then you
# may need to change this. In most cases it should be either
# "ISO-8859-1" or "UTF-8". You must recreate your database
# after changing this (use mpd --create-db).
#
filesystem_charset "UTF-8"
#
# The encoding that ID3v1 tags should be converted from.
#
id3v1_encoding "GBK"
#
################################################################
接下来就可以使用
来更新数据库了，还是有问题
Can't open db file "/home/jack/音乐/mpd/tag_cache" for reading/writing: Permission denied
去掉sudo出现
cannot setgid for user "mpd" at line 39: Operation not permitted
忽略
应该是权限问题，解决方法;
sudo chmod 0777 -R /home/jack/音乐/
ps:后来发现有些目录无法加载，也同样是权限问题，解决方法同上
接下来更新数据库没问题了
打开sonata或gmpc好好享受听歌的乐趣吧，其余的乱码及歌词支持接下来在解决。
