General :: Set Default System Audio Output Port (for All Accounts)?
May 5, 2010
The default output audio port Ubuntu doesn't work on my system. It should be "Analog Mono Output/Amplifier", instead of "Analog Output/Amplifier". I can easily change that in sound preferences, just by choosing the right port in the "Output" tab. The problem is this would only apply to a single account, and I would like to change it system-wide, so it applies to all accounts on the system (I have more than 100 users...).
Update: I can achieve the same effect as I would by changing it in sound preferences using the following command: pacmd 'set-sink-port' 'alsa_output.pci-0000_00_1f.5.analog-stereo analog-output-mono;output-amplifier-on' Unfortunately that's still not system-wide,
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Aug 12, 2010
Is there any way to get the headphone port below the cd tray to work as audio-output? It has a headphone symbol on it, but it doesn't give any sound.
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Apr 12, 2010
After some fudging around, I managed to get my 64-bit karmic install to output sound digitally to my amplifier. So far, so good. The amplifier indicates a sample rate of 44.1KHz, while it is capable of 48KHz (higher sample rate would be better, i assume). Also, more annoying, it indicates no signal when no applications are producing sounds, causing it to miss the first second of output when I unpause my music. Windows 7 outputs everything as 48KHz, apparently also outputting silence as the light doesn't blink when i pause a media player.
The question then being: How do I override the default sample rate of digital audio output (if this is even possible, googling suggested that this might be overridden by applications); How do I make my sound driver output silence when no application is outputting sound.
Additional info:
- Ubuntu Karmic x64 (dist-upgraded from jaunty)
- Exaile media player with Normal playback engine and Automatic audio sink
- Asus P5Q-E motherboard
- Philips DFA888 amplifier
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Aug 23, 2010
Say I have 2 speakers connected to 2 different sound cards. Under Windows, is it possible to have some sort of virtual device that would forward an audio stream to both sound cards? If this can't be easily done under Windows, a solution for Linux is also fine. lternatively, if the 2 speakers are connected to different channels of a sound card, is there any vendor-independent way to duplicate audio to both channels?
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May 2, 2010
I would like to know which is the default audio system for Squeeze. I'll explain the reason for this question: I had a lenny desktop working like a charm until the hard disk damaged completely. After buying a new desktop computer, I installed Ubuntu 9.10 and I didn't know that the default audio system for Ubuntu was pulseaudio; so I always had problems with skype and my microphone. I remember that with my lenny desktop I never ever had any problem with my sound system and skype.
I've googled for months without finding a consistent fix for this problem in Ubuntu, I've also heard lots and lots of people with the same problem as mine and never solved it; so I decided to get rid of it and install debian Squeeze in my box, but I would like to be sure which is the default audio system for Squeeze, or at least know if anyone have had problems with skype and Squeeze.
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May 7, 2010
The default output audio port Ubuntu doesn't work on my system. It should be "Analog Mono Output/Amplifier", instead of "Analog Output/Amplifier". I can easily change that in sound preferences, just by choosing the right port in the "Output" tab, or by issuing the following command:
Code: pacmd 'set-sink-port' 'alsa_output.pci-0000_00_1f.5.analog-stereo analog-output-mono;output-amplifier-on' The problem is both solutions apply only to a single account, while I would like to change it system-wide, so it applies to all accounts on the system (there are more then 100 accounts - it's a set up for a school).I'm using Ubuntu 10.04.
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Dec 14, 2010
Is there any way to disable VGA output port in linux. I mean when I plug monitor to VGA port nothing displayed exactly like those times that the system is turned off (disabling all output signal to vga port)
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Feb 16, 2010
This is the difference in the output of a port scan using Zenmap on the same system with UFW turned off and then with it turned on. It is obvious that UFW works.
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Jan 28, 2010
I wrote a small script that gets me the list of enabled system accounts in my system.
I figure '*' & '!' (in field #2 of /etc/shadow) mean that the account is disabled or they cannot login, hence 'safe-to-ignore'
Code:
IFS=$'
'
for i in `cat /etc/passwd` #get each line in the passwd file
do
var1=`echo $i | cut -d':' -f3` #get user ID field
if [ $var1 -lt 500 ] && [ $var1 -gt 0 ] #compare to extract relevant IDs
[Code].....
BTW i figure the following command gives me the list of system users, but i am not able to find a way to process it further... :-(
Code:
awk -F":" '$3 >= 1 && $3 < 500 { print $1 }' /etc/passwd
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Mar 7, 2010
I installed KMplayer but I cant play video files...No video output but can get only the audio output...So how to make this work for videos?
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Jan 25, 2011
Running 10.10 and win 7 on my HP dv6-2150us laptop and I'm having a few issues.
First how do I get HDMI audio output to my TV? I think I have just a integrated Intel graphics card. It works fine in windows but I can't seem to get it to work in Ubuntu. I tried searching but couldn't find anything pertaining to this issue.
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Jul 19, 2011
I don't know anything about ubuntu. Could you guys help me out. I'm pretty knowledgeable with windows if you guys need a printout of something let me know. My friends getting really frustrated about this. Help!!i
So here's the situation. He plugs his audio jack into his computer and then into the speakers but it still plays from the computer speakers.
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Mar 27, 2010
I finally got audio working on my ubuntu 9.10 desktop... now I am having sound issues watching movies from a network share.The sound device continually randomly changes to "dummy output device" and then there is no sound output. The sound icon dissapears on the toolbar. To get it back and audio to start working I have to $sudo alsa force-reloadIt seems to happen everytime there is a network delay, the movie will stop for a second and then when it plays the sound is gone
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Jan 30, 2010
I just got rid of pulseaudio because it breaks in so many different situations. I've switched to Alsa, and all of my sound is working except in mpd. It seems like I have to set audio_output in /etc/mpd.conf. Here is my config file:
audio_output {
type "alsa"
driver "pcm"
name "whatever"
}
When I start mpd, this is what happens:
$ sudo mpd --no-daemon --stdout --verbose
playlist: play 1:"Party Playlist/01 Block Rockin' Beats.mp3"
decoder: audio_format=44100:24:2, seekable=true
alsa: default period_time = buffer_time/4 = 371519/4 = 92879
alsa: buffer_size=16384 period_size=4096
output: opened plugin=alsa name="My MPD Alsa Output" audio_format=44100:24:2
playlist: queue song 2:"Party Playlist/01 Umbrella [Feat. Jay-Z].mp3"
output: closed plugin=alsa name="My MPD Alsa Output"
^Clisten: listen_global_finish called
db_finish took 0.000000 seconds
And I hear the song play for less than a second before the audio_output driver is closed. There really aren't any error messages printed explaining why it's not working. I've also tried "oss", "esd" and "ao" for the audio_output type, and none of them work.
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Jun 1, 2011
I'm looking for a program that will visualize anything that goes through my audio-output (in this case it's Spotify) and display it on the screen. Does this exist?
I'm running Ubuntu.
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Oct 4, 2010
I need to read some data from a web server and output to a serial port on the local machine. I was attempting to use the following command:
Code:
But the device attached to the serial port (a plate embosser) acts as though there is an extra newline after each line of data.
It parses the data sent according to it's own format, which includes a format string in <> followed by a data block containing one data field per line, with the whole block surrounded by <>,
For example:
Code:
seems to output as though it were:
Code:
I can verify that the web server is outputting the former (and it looks correct if I send the wget output to console).
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Apr 20, 2010
is it a bad idea to change SSH's default port (22) to a different port number
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May 26, 2010
How can I change the default port of ssh that is 22? Because of security issue I just want to give some other port.
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Feb 28, 2010
I have two machines on a local area network (xp box and xubuntu box) and I want audio from both machines to be played from the same set of speakers. The problem is, the xubuntu machine doesn't have any sound output. There is no onboard sound card and all expansion slots are pci-x, so short of buying a pci-x sound card my only option for playing sound is to route audio through LAN to my xp computer.
I already have a program that will let me play music on one computer from another's speakers, but I am trying to set up a stream so that games and internet sound can be heard. Is it possible for me to do this?
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Oct 20, 2010
I'm looking into building a media server that will output to 2 channels. I'd like to use Ubuntu however, if there's a better alternative, I'd be open to using it. I'd have 2 audio and video cards for output and what I'm interested in knowing is if there's a way to set the audio output to a specific card per application or workspace. Is there an easy way of doing this?
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Feb 27, 2011
Has anyone come across a means to output rss feeds to audio? A Google search led me on a "wild goose chase". I was looking for a newsbeuter or snownews plugin of sorts. Either realtime output to speakers or piped to speex/ogg/mp3 I *really* need to learn how to code, so I can do these things myself
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Feb 28, 2010
I'm using ubuntu and i need to know if it is possible to make a "prototype" account that sets the defaults for new users when a new account is made. How would i go about doing this. I would like to have the same start up programs, panel, themes, background, etc...
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Mar 4, 2011
Is possible to have two identical sound card outputs? For example, is I want to use two headphones at the same time.
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Jul 19, 2011
I'm trying to change the default mysql port with no success. I looked at my.cnf file and there's no reference to port. I also looked at the iptables and mysql is running on 3306 (default).I've changed the iptable file but mysql fails to restart.If I add port = [my port number] to the my.cnf file, mysql fails to start.
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Aug 7, 2009
I have behringer UCA202 usb card, after plug to usb, it just works , I have only small problem with alsamixer, which still shows by default my integrated HDA Intel, I could switch it by F6 or by alsamixer -c 1no problem, but I expect that default card is now plugged "USB audio", so why alsamixer recognize default audio device as HDA intel and not a USB Audio ?anyone who has two or more sound cards with the same issue ?
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Dec 26, 2010
I finally decided to transition to a 64-bit install (AMD64). (same machine, just reinstalling as a 64-bit kernel starting w/ a Debian squeeze netinstall image) My audio chipset is nvidia MCP61, and it was working perfectly under a 32-bit kernel (I did the transition because a poorly-written system backup script (my fault) hosed /usr, /bin, and /sbin) When everything was up and running:
*: KDE4 only recognized the output device as ALC1200 Analog
*: kmix only had a single channel(master)
*: alsamixergui did recognize all the channels
*: some games (sauerbraten, for example) had no sound in KDE4.
*: some games (warzone2100, for example) did have sound in KDE4.
*: the games that had no sound in KDE4 did have sound in fluxbox.
I removed the following packages (some of which I had installed to try to get audio working properly):
[Code]....
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Jun 5, 2011
I would like to use HDMI on my graphic card for audio output. ALSA shows it as a card with 4 devices and I can get sound through one of them (the other three are different channels, perhaps? I have only stereo output connected). Although Pulseaudio has the right card set as default, it seems to me that it plays on a wrong device. Pacmd shows that the sink has parameter alsa.device set to the first device listed by ALSA, but I can get sound only from the second one.How can I force Pulseaudio to use another device of the same card as a default output?
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Jan 13, 2010
I am trying to get two way serial communications going between a Windows XP system and a Linux system (RHEL 5).I have /sbin/agetty -L 9600 ttyS0
in /etc/inittab. I am using a generic USB to serial adaptor on Windows (Unitek) and a null modem cable. I have putty configured for 9600 baud, 8 bits, no parity, one stop bit, no flow control.I get the login prompt from agetty in the putty window but input does not work; I see weird characters in the putty screen. I can echo output into the device from windows and see it, but
cat < /dev/ttyS0. just prints out weird characters from what I type.
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Jul 19, 2011
I currently have an ftp server setup using Ubuntu 10.04 and pureftpd with mysql as the backend. All the ftp users are "virual users" that are stored in mysql. I want my existing users to be able to use scp to transfer files instead of ftp. As far as I know, you can only use ssh/scp if you have a system account. All of my virtual users use the same system account of "ftpuser".
Is it even possible for me to setup the users with scp access, even though they don't have an actual system account? I really don't want to setup system accounts for each user. I have a lot of ftp users and I plan on expanding that number, so adding system accounts isn't ideal, plus I feel like that will bring new security issues (researching chroot for ssh and how to lock down ssh).
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Apr 17, 2010
I am in the process of setting up and e-mail system for my small business. In the past I have always had my ISP and my domain registrar handle the e-mail and just POP the e-mail to a ciient such as thunderbird. Now I have decided in order to better learn postfix or sendmail, I want to setup my own and administer it. My question is:
1 - Once I have my domain name for my company is the e-mail accounts just created via psotfix or sendmail or are the accounts created via my domain registrar like my domain name? For Example: my domain name is test.com and I wanted president@test.com.
2 - Are e-mail servers setup in a DMZ as realys and then forwarded to an internal e-mail server and them transmitted to the clients or are they normally just put inside the LAN?
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