ALSA lib confmisc.c:768:(parse_card) cannot find card '0' and etc Errors happend in Ubuntu Server14.04 I am using Amazon EC2 VPC, but when I start the Blender I got some errors:

root@ip:/home/ubuntu/blender-2.74-linux-glibc211-x86_64# ./blender -b

ALSA lib confmisc.c:768:(parse_card) cannot find card '0'
ALSA lib conf.c:4248:(_snd_config_evaluate) function snd_func_card_driver returned error: No such file or directory
ALSA lib confmisc.c:392:(snd_func_concat) error evaluating strings
ALSA lib conf.c:4248:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory
ALSA lib confmisc.c:1251:(snd_func_refer) error evaluating name
ALSA lib conf.c:4248:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
ALSA lib conf.c:4727:(snd_config_expand) Evaluate error: No such file or directory
ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM default
AL lib: (EE) ALCplaybackAlsa_open: Could not open playback device 'default': No such file or directory
found bundled python: /home/ubuntu/blender-2.74-linux-glibc211-x86_64/2.74/python

Blender quit


root@ip:/home/ubuntu/blender-2.74-linux-glibc211-x86_64# ll

total 162400
drwxr-xr-x 5 ubuntu ubuntu      4096 Mar 31 14:59 ./
drwxr-xr-x 8 ubuntu ubuntu      4096 May 28 04:47 ../
drwxr-xr-x 5 ubuntu ubuntu      4096 Mar 31 14:54 2.74/
-rwxr-xr-x 1 ubuntu ubuntu 113425328 Mar 31 14:59 blender*
-rwxr-xr-x 1 ubuntu ubuntu  52736328 Mar 31 14:59 blenderplayer*
-rwxr-xr-x 1 ubuntu ubuntu       745 Mar 31 14:59 blender-softwaregl*
-rwxr-xr-x 1 ubuntu ubuntu      5404 Mar  5  2014 blender-thumbnailer.py*
-rw-r--r-- 1 ubuntu ubuntu      4774 Mar 31 14:59 copyright.txt
-rw-r--r-- 1 ubuntu ubuntu     35147 Mar 31 14:59 GPL3-license.txt
-rw-r--r-- 1 ubuntu ubuntu     17997 Mar 31 14:59 GPL-license.txt
drwxr-xr-x 9 ubuntu ubuntu      4096 Mar 31 14:59 icons/
-rw-r--r-- 1 ubuntu ubuntu      1591 Mar 31 14:59 jemalloc-license.txt
drwxr-xr-x 2 ubuntu ubuntu      4096 Nov 22  2012 lib/
-rw-r--r-- 1 ubuntu ubuntu      4947 Feb 19  2014 LICENSE-bfont.ttf.txt
-rw-r--r-- 1 ubuntu ubuntu      3421 Feb 19  2014 LICENSE-bmonofont-i18n.ttf.txt
-rw-r--r-- 1 ubuntu ubuntu      3299 Feb 19  2014 LICENSE-droidsans.ttf.txt
-rw-r--r-- 1 ubuntu ubuntu      2396 Mar 31 14:59 Python-license.txt
-rw-r--r-- 1 ubuntu ubuntu      6180 Mar 31 14:59 readme.html
Use -noaudio option works, like this
./blender-2.74-linux-glibc211-x86_64/blender -b -noaudio "Blender/ball.blend" -x 1 -f 1 -o //

hope could help someone!