▶ cvlc bbcf792ce9d7.mp3 
VLC media player 2.0.7 Twoflower (revision 2.0.6-54-g7dd7e4d)
[0x2149ab8] dummy interface: using the dummy interface module...
[0x7fc6e0004138] alsa audio output error: cannot open ALSA device "default": Устройство или ресурс занято
[0x7fc6e0004138] main audio output error: Вывести звук не удалось
[0x7fc6e0004138] main audio output error: Аудио-устройство "default" не может использоваться:
Устройство или ресурс занято.
[0x7fc6e0004138] main audio output error: no suitable audio output module
[0x7fc6e4c02848] main decoder error: failed to create audio output
^C%                                                                                 
~                                                                                  
▶ fuser -fv /dev/snd/* /dev/dsp*
                     ПОЛЬЗ-ЛЬ    PID ДОСТУП КОМАНДА
/dev/snd/pcmC1D0p:   taz        5385 F...m chrome

hostname:~# xauth list
hostname:10  MIT-MAGIC-COOKIE-1  492f8a91e3861acdbbfd2bc3fb6b91ce
hostname.domain:10  MIT-MAGIC-COOKIE-1  492f8a91e3861acdbbfd2bc3fb6b91ce
hostname:~# virt-manager
Traceback (most recent call last):
  File "/usr/share/virt-manager/virt-manager.py", line 383, in <module>
    main()
  File "/usr/share/virt-manager/virt-manager.py", line 285, in main
    raise RuntimeError(_("Unable to initialize GTK: %s") % gtk_error)
RuntimeError: Unable to initialize GTK: could not open display
hostname:~#

X11Forwarding yes
X11DisplayOffset 10
#X11UseLocalhost no

taz@think:~$ ssh root@ip -X -vvv
OpenSSH_6.0p1 Debian-3ubuntu1, OpenSSL 1.0.1c 10 May 2012
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 19: Applying options for *
debug2: ssh_connect: needpriv 0
debug1: Connecting to ip [ip] port 22.
debug1: Connection established.
debug3: Incorrect RSA1 identifier
debug3: Could not load "/home/taz/.ssh/id_rsa" as a RSA1 public key
debug1: identity file /home/taz/.ssh/id_rsa type 1
debug1: Checking blacklist file /usr/share/ssh/blacklist.RSA-2048
debug1: Checking blacklist file /etc/ssh/blacklist.RSA-2048
debug1: identity file /home/taz/.ssh/id_rsa-cert type -1
debug1: identity file /home/taz/.ssh/id_dsa type -1
debug1: identity file /home/taz/.ssh/id_dsa-cert type -1
debug1: identity file /home/taz/.ssh/id_ecdsa type -1
debug1: identity file /home/taz/.ssh/id_ecdsa-cert type -1
debug1: Remote protocol version 2.0, remote software version OpenSSH_6.0p1 Debian-4
debug1: match: OpenSSH_6.0p1 Debian-4 pat OpenSSH*
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_6.0p1 Debian-3ubuntu1
debug2: fd 3 setting O_NONBLOCK
debug3: load_hostkeys: loading entries for host "ip" from file "/home/taz/.ssh/known_hosts"
debug3: load_hostkeys: found key type ECDSA in file /home/taz/.ssh/known_hosts:162
debug3: load_hostkeys: loaded 1 keys
debug3: order_hostkeyalgs: prefer hostkeyalgs: ecdsa-sha2-nistp256-cert-v01@openssh.com,ecdsa-sha2-nistp384-cert-v01@openssh.com,ecdsa-sha2-nistp521-cert-v01@openssh.com,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug2: kex_parse_kexinit: ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1
debug2: kex_parse_kexinit: ecdsa-sha2-nistp256-cert-v01@openssh.com,ecdsa-sha2-nistp384-cert-v01@openssh.com,ecdsa-sha2-nistp521-cert-v01@openssh.com,ecdsa-sha2-nistp256,ecdsa-sha2-nistp384,ecdsa-sha2-nistp521,ssh-rsa-cert-v01@openssh.com,ssh-dss-cert-v01@openssh.com,ssh-rsa-cert-v00@openssh.com,ssh-dss-cert-v00@openssh.com,ssh-rsa,ssh-dss
debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-cbc@lysator.liu.se
debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-cbc@lysator.liu.se
debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64@openssh.com,hmac-sha2-256,hmac-sha2-256-96,hmac-sha2-512,hmac-sha2-512-96,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96
debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64@openssh.com,hmac-sha2-256,hmac-sha2-256-96,hmac-sha2-512,hmac-sha2-512-96,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96
debug2: kex_parse_kexinit: none,zlib@openssh.com,zlib
debug2: kex_parse_kexinit: none,zlib@openssh.com,zlib
debug2: kex_parse_kexinit: 
debug2: kex_parse_kexinit: 
debug2: kex_parse_kexinit: first_kex_follows 0 
debug2: kex_parse_kexinit: reserved 0 
debug2: kex_parse_kexinit: ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1
debug2: kex_parse_kexinit: ssh-rsa,ssh-dss,ecdsa-sha2-nistp256
debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-cbc@lysator.liu.se
debug2: kex_parse_kexinit: aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-cbc@lysator.liu.se
debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64@openssh.com,hmac-sha2-256,hmac-sha2-256-96,hmac-sha2-512,hmac-sha2-512-96,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96
debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,umac-64@openssh.com,hmac-sha2-256,hmac-sha2-256-96,hmac-sha2-512,hmac-sha2-512-96,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96
debug2: kex_parse_kexinit: none,zlib@openssh.com
debug2: kex_parse_kexinit: none,zlib@openssh.com
debug2: kex_parse_kexinit: 
debug2: kex_parse_kexinit: 
debug2: kex_parse_kexinit: first_kex_follows 0 
debug2: kex_parse_kexinit: reserved 0 
debug2: mac_setup: found hmac-md5
debug1: kex: server->client aes128-ctr hmac-md5 none
debug2: mac_setup: found hmac-md5
debug1: kex: client->server aes128-ctr hmac-md5 none
debug1: sending SSH2_MSG_KEX_ECDH_INIT
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug1: Server host key: ECDSA 18:80:b8:24:11:05:ae:aa:81:00:ab:a5:b9:05:91:2c
debug3: load_hostkeys: loading entries for host "ip" from file "/home/taz/.ssh/known_hosts"
debug3: load_hostkeys: found key type ECDSA in file /home/taz/.ssh/known_hosts:162
debug3: load_hostkeys: loaded 1 keys
debug1: Host 'ip' is known and matches the ECDSA host key.
debug1: Found key in /home/taz/.ssh/known_hosts:162
debug1: ssh_ecdsa_verify: signature correct
debug2: kex_derive_keys
debug2: set_newkeys: mode 1
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug2: set_newkeys: mode 0
debug1: SSH2_MSG_NEWKEYS received
debug1: Roaming not allowed by server
debug1: SSH2_MSG_SERVICE_REQUEST sent
debug2: service_accept: ssh-userauth
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug2: key: /home/taz/.ssh/id_rsa (0x7f6b6a7d6fb0)
debug2: key: /home/taz/.ssh/id_dsa ((nil))
debug2: key: /home/taz/.ssh/id_ecdsa ((nil))
debug1: Authentications that can continue: publickey,password
debug3: start over, passed a different list publickey,password
debug3: preferred gssapi-keyex,gssapi-with-mic,publickey,keyboard-interactive,password
debug3: authmethod_lookup publickey
debug3: remaining preferred: keyboard-interactive,password
debug3: authmethod_is_enabled publickey
debug1: Next authentication method: publickey
debug1: Offering RSA public key: /home/taz/.ssh/id_rsa
debug3: send_pubkey_test
debug2: we sent a publickey packet, wait for reply
debug1: Authentications that can continue: publickey,password
debug1: Trying private key: /home/taz/.ssh/id_dsa
debug3: no such identity: /home/taz/.ssh/id_dsa
debug1: Trying private key: /home/taz/.ssh/id_ecdsa
debug3: no such identity: /home/taz/.ssh/id_ecdsa
debug2: we did not send a packet, disable method
debug3: authmethod_lookup password
debug3: remaining preferred: ,password
debug3: authmethod_is_enabled password
debug1: Next authentication method: password
root@ip's password: 
debug3: packet_send2: adding 48 (len 61 padlen 19 extra_pad 64)
debug2: we sent a password packet, wait for reply
debug1: Authentication succeeded (password).
Authenticated to ip ([ip]:22).
debug1: channel 0: new [client-session]
debug3: ssh_session2_open: channel_new: 0
debug2: channel 0: send open
debug1: Requesting no-more-sessions@openssh.com
debug1: Entering interactive session.
debug2: callback start
debug2: x11_get_proto: /usr/bin/xauth  list :0 2>/dev/null
debug1: Requesting X11 forwarding with authentication spoofing.
debug2: channel 0: request x11-req confirm 1
debug2: client_session2_setup: id 0
debug2: fd 3 setting TCP_NODELAY
debug3: packet_set_tos: set IP_TOS 0x10
debug2: channel 0: request pty-req confirm 1
debug1: Sending environment.
debug1: Sending env LC_PAPER = ru_RU.UTF-8
debug2: channel 0: request env confirm 0
debug1: Sending env LC_ADDRESS = ru_RU.UTF-8
debug2: channel 0: request env confirm 0
debug3: Ignored env SSH_AGENT_PID
debug1: Sending env LC_MONETARY = ru_RU.UTF-8
debug2: channel 0: request env confirm 0
debug3: Ignored env GPG_AGENT_INFO
debug3: Ignored env TERM
debug3: Ignored env SHELL
debug3: Ignored env XDG_SESSION_COOKIE
debug3: Ignored env WINDOWID
debug1: Sending env LC_NUMERIC = ru_RU.UTF-8
debug2: channel 0: request env confirm 0
debug3: Ignored env GNOME_KEYRING_CONTROL
debug3: Ignored env GTK_MODULES
debug3: Ignored env USER
debug1: Sending env LC_TELEPHONE = ru_RU.UTF-8
debug2: channel 0: request env confirm 0
debug3: Ignored env XDG_SESSION_PATH
debug3: Ignored env XDG_SEAT_PATH
debug3: Ignored env SSH_AUTH_SOCK
debug3: Ignored env SESSION_MANAGER
debug3: Ignored env DEFAULTS_PATH
debug3: Ignored env XDG_CONFIG_DIRS
debug3: Ignored env PATH
debug3: Ignored env DESKTOP_SESSION
debug1: Sending env LC_IDENTIFICATION = ru_RU.UTF-8
debug2: channel 0: request env confirm 0
debug3: Ignored env PWD
debug3: Ignored env GNOME_KEYRING_PID
debug1: Sending env LANG = ru_RU.UTF-8
debug2: channel 0: request env confirm 0
debug3: Ignored env MANDATORY_PATH
debug1: Sending env LC_MEASUREMENT = ru_RU.UTF-8
debug2: channel 0: request env confirm 0
debug3: Ignored env UBUNTU_MENUPROXY
debug3: Ignored env COMPIZ_CONFIG_PROFILE
debug3: Ignored env GDMSESSION
debug3: Ignored env SHLVL
debug3: Ignored env HOME
debug3: Ignored env LANGUAGE
debug3: Ignored env GNOME_DESKTOP_SESSION_ID
debug3: Ignored env LOGNAME
debug3: Ignored env COMPIZ_BIN_PATH
debug3: Ignored env XDG_DATA_DIRS
debug3: Ignored env DBUS_SESSION_BUS_ADDRESS
debug3: Ignored env XDG_RUNTIME_DIR
debug3: Ignored env DISPLAY
debug3: Ignored env XDG_CURRENT_DESKTOP
debug1: Sending env LC_TIME = ru_RU.UTF-8
debug2: channel 0: request env confirm 0
debug3: Ignored env COLORTERM
debug3: Ignored env XAUTHORITY
debug1: Sending env LC_NAME = ru_RU.UTF-8
debug2: channel 0: request env confirm 0
debug3: Ignored env _
debug2: channel 0: request shell confirm 1
debug2: callback done
debug2: channel 0: open confirm rwindow 0 rmax 32768
debug2: channel_input_status_confirm: type 99 id 0
debug2: X11 forwarding request accepted on channel 0
debug2: channel_input_status_confirm: type 99 id 0
debug2: PTY allocation request accepted on channel 0
debug2: channel 0: rcvd adjust 2097152
debug2: channel_input_status_confirm: type 99 id 0
debug2: shell request accepted on channel 0
Linux hostname.domain 3.2.0-4-amd64 #1 SMP Debian 3.2.46-1 x86_64
hostname:~# virt-manager
Traceback (most recent call last):
  File "/usr/share/virt-manager/virt-manager.py", line 383, in <module>
    main()
  File "/usr/share/virt-manager/virt-manager.py", line 285, in main
    raise RuntimeError(_("Unable to initialize GTK: %s") % gtk_error)
RuntimeError: Unable to initialize GTK: could not open display
hostname:~# xauth list
localhost:10  MIT-MAGIC-COOKIE-1  492f8a91e3861acdbbfd2bc3fb6b91ce
hostname.domain:10  MIT-MAGIC-COOKIE-1  2ff51f33cfd1ba7e332d516e87abba99
host:~# echo $DISPLAY
:0