Ubuntu :: Mp3blaster Doesn't Work With Cron
Mar 2, 2010
I have a problem with mp3blaster.
I want cron to act as an alarm clock: first, it plays an mp3 file and then it runs the speech synthesizer festival which tells me to get up and do stuff.
Now, mp3blaster doesn't do anything when I run it from cron, but festival works without problems.
I've found some possible causes for mp3blaster not working through cron. Someone suggested that pulseaudio is not started. This shouldn't be the problem for me, since I don't even have pulseaudio installed, and festival is playing sound without problems...
I don't know what I should do to make it work.
Here is my script - runalarm.sh:
Code:
I don't want to include the wakeup text here since it contains profanity.
The mp3 player could be another one too. mp3blaster happens to be the only player I know that is easy to run from console, like this "mp3blaster goodsong.mp3", without and playlist creation or other stuff like that.
I can run the runalarm.sh from SSH console and it works fine, the mp3 starts playing and festival speaks after that. When run from cron, festival starts speaking right away and no mp3 is heard.
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Jun 1, 2010
I have a simple cron job that runs every night & I tested this manually by just running the command as root in bash and all worked fine. It took some time but the crob job finished and I got my results emailed to me perfect / as expected.
Here is root's cron job listing:
Code:
Now I noticed that I never ever got anything emailed to me the following day so I am wondering if perhaps the Cron daemon doesn't have permissions or has an issue running / executing the command rather than when I test the command as 'root'? When I view my logs, I can see the command being executed and don't see any errors however I don't get email results when Cron runs the job rather than me taking the command and running it manually in Bash...then it works. What am I missing?
Code:
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Jan 22, 2011
I have a problem with grep in my cron job:
A simple command like this doesn't work
Code:
Of corse I have tried with full path like this
Code:
Both of this scripts work fine when started from my shell. Unfortunately they don't work when executed from cron job, and I get an empty p.txt file.
Here is my crontab file:
Code:
Have any one of you faced this kind of problem before ?
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Oct 5, 2010
I created a very simple cron job for testing my first Linux system but It doesn't work. After open the crobtab file by typing crontab -e, I put a line like this to send email in every 2 minutes to report disk usage:MAILTO=dan@gmail.com*/2 * * * * du -s /homeI tried to restart cron several times but I still got nothing worked. /etc/init.d/crond restart
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Oct 15, 2010
I just had the idea of going back to command line music players and mp3blaster is what that came to my mind. I am running Kubuntu 10.10 on a Thinkpad T43 laptop with the default kernel. In an archived thread I read
mp3blaster -s /dev/dsp
would do the trick. But since all sound devices in my current laptop seem to be listed under /dev/snd as pcmC0D0p etc. I tried using,
mp3blaster -s /dev/snd/pcmC0D0p
and this gave a sound device control error.
Just did some digging around and saw that I didn't have any oss modules running. Are they the culprits? If not how would I make mp3blaster use my current devices else do I need to reconfigure my kernel to have the oss modules?
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Aug 28, 2009
Is there something that blocks cron from running a shutdown command? I'm doing a daily bounce to break an attack (I have thread about that in security forum), but I always end up doing it manually. The cron log shows it being fired off at the right time...but the server never bounces. I thought maybe I just missed it, but there is nothing in messages that shows the server restarting (unlike when i do it manually, you see the start-up logging).
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Feb 10, 2010
I am unable to run my cron tab job without root password.I made a little research on the forums and appearantly it should be changed.Must I change "passwd" part with my root password?
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Mar 27, 2011
I have a script, echoSmart.sh:
Code:
#!/bin/bash
smartctl -a /dev/sda > /smartlogs/sda-$(date).txt
[code]....
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Apr 4, 2011
I've tried to get cron to run a script, but it does not work. At first I put it into /etc/cron.hourly, with no succsess. Then i added the line
Code:
To the crontab, with the same result.
I'm sure cron runs fine besides that Problem, because commands like
Get executed.
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Jan 6, 2010
I've been trying to accomplish this on my own, but I can't seem to figure it out...
All I'm trying to do (for learning purposes) is to get a message to print out to a log file every 5 minutes.
This is on Ubuntu Server 6.06.
Logged in as root ( I know, I know, should have sudo'd, oh well... )
Created a new file with this in it:
Code:
Added this line:
Code:
( I wasn't sure the proper command to try every 5 minutes, but this is my latest iteration. I also started with just */5, and that didn't seem to work either. )
Saved and exited crontab.
Console reports:
Quote:
Using command: ps -ef | grep cron
Quote:
So I waited 10 minutes to be safe.... and saw no log file appear.
I checked this page here: [url]
I wasn't sure what it meant by the PATH= variable they wanted me to set, my /etc/crontab file states:
Code:
But I didn't know if it meant there, or in my crontab -e location, so after the first failed attempt, I added the line from that webpage as well to crontab -e:
Code:
Waited another 10 minutes to be safe, still nothing.
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Jun 1, 2011
I'm trying to start a script through crond. The record in crontab is: 30 16 * * * /home/alex/razhodilim.pl 1>/dev/null. The script razhodilim.pl works perfectly if I start it manually. But cron fails to start it.
What could be the reason?
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May 3, 2011
I am using Slackware 13.0 quite out of the box, normally I can change volume for every app using alsamixer. As my laptop is a little bit old working in X uses a lot of resources I have been searching for more and more console based apps. With good results until now.
I started using mp3blaster to listen to music. Great app and all. Only problem I have got is that I have difficulty controlling the volume for it. When in alsamixer I can mute the master channel an control Pcm in small increments so that I can speak about control. When using mp3blaster I have got no control whatsoever. Cant mute the vol channel nor can I control the Pcm2 channel in any way.
My questions are: How do I control the volume in mp3blaster? Why do I have Pcm2 instead of Pcm in mp3blaster? What other info would be needed for anyone to push me in the right direction to solve this problem?
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Oct 4, 2010
I have the following cron entry but it doesn't seem to be running:
Code:
The script does exist. And so does the directory /home/usr/log and writable. /var/log/syslog only has a bunch of these:
Code:
I don't see any file gets written to the log directory. That suggests to me that cron didn't run the job, as confirmed by /var/log/syslog.
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Apr 30, 2010
I'm using mp3blaster as audio player under my linux Centos Terminal, i'm using Mixers of PCM & PCM2 and i should get the volume up every time my server makes a reboot, so i need to ask how i can set the mixer of PCM & PCM2 to a Volume of 100% or any value i want ?
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Jan 1, 2011
There was a thread about this but no solution came about. mp3blaster always gives me the error Failed to open sound device whenever I try to play a song, and I'm not sure how to fix that.
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Mar 25, 2011
I have a backup sh file that I have been using for a long time. It has always worked. 2 Days back I switched to a different pc and now suddenly the script don't work.If I run it manually in the terminal it works. But when it execute with cron it doesn't copy any files to the backup destination. It starts but doesn't copy anything.Can someone help me as to why it works manually but not with cron ?
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Oct 15, 2010
I set up some scripts n crontab and I found that the scripts are failing because cron seems not to load my user PATH variable. Is there any way to tell cron to load my PATH variable?
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Oct 6, 2010
I can't seem to get a cron job to work on my Fedora 11 box. When I check the logs, cron is actually working. In my /etc/crontab I have an entry to run the cron job on my Moodle installation:
30 * * * * wget -q -O /dev/null http://moodle.name.name/moodle/admin/cron.php
when I run crontab -l it is not showing me anything, I am confused
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May 13, 2010
is there any program to see video without X as mp3blaster to listen music without X?
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Oct 25, 2010
Cron refuses to work when trying to sync with a network drive. I am trying to setup a cron job to backup a folder in my home directory ('/home/scratch') to a folder ('home/internet_backup') that is mounted (using nfs) to a network folder. The folder ('home/internet_backup') is mounted correctly to the network folder upon system startup, so this part works.
I created a simple bash file (rsync-shell.1.sh) that looks like this:
Code:
# backup the contents of 'scratch' (of 'internet' machine) into '/home/aa/internet_backup/'
# the latter folder ('/home/aa/internet_backup/') is mounted to 'developer' machine
rsync -av --exclude=".*" /home/aa/scratch /home/aa/internet_backup/
#
When manually running this bash file from my home directory (./rsync-shell.1.sh) everything works, and the contents are written to the destination folder. Yet, instead of running this manually, I wanted this to be executed by Cron every 30 min. so I first chmod +x this file, and then copied it (using sudo) to /root.
I then created the following using 'sudo crontab -e':
Code:
# m h dom mon dow command
10 * * * * /root/rsync-shell.1.sh
This is the same bash file illustrated above, yet, it doesn't work (files are not being written to the destination folder).
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Nov 23, 2010
What would happen if I place more than one shell script in the cron.weekly directory. would they run at the same time?
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Sep 1, 2011
I'm using 'Adobe Flash plug-in 10.3.183.4ubuntu0.11.04.1', installed from the package repos on kubuntu, and since the last update, it has broken all flash functionality in both rekonq and firefox.I have tried removing and reinstalling the package multiple times, both with and without the browsers open. Can anyone suggest a way to restoring functionality?
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Jan 12, 2010
I am having some trouble setting up a cron job that creates a tunnel to my remote machine to work correctly on Ubuntu 9.10. The setup looks like the following:
(1) myscript.sh (executable)
Code:
#!/bin/bash
ssh -2 -x -i /home/user/.ssh/id_rsa.prv -L 3128:myremotemachine:3128 myaccount@myremotemachine
(2) crontab -e, added the following lines:
[Code]...
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Apr 29, 2011
Can anyone tell me how i change the default domain name for cron?everything i cron runs it emails from and to user@com.com
this leaves me with a massive list of failed mails in postfix.i have mailto on my main crontab but i cant do it on all of them.
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Jul 5, 2011
I have installed CPAN module Spreadsheet::WriteExcel, to generate some reports. Now when i execute my perl module from command line. it works fine and generates the excel file. When i put this module to be executed via cron, it doenst work and an email is generated. My entry in cron tab is as follows:2 14 * * * perl /scripts/postpaidRecon/postpaid.plThe email i receive in /var/spool/mail/root for module failure is:
Subject: Cron <root@kblhpw101> perl /scripts/postpaidRecon/postpaid.pl
X-Cron-Env: <SHELL=/bin/sh>
X-Cron-Env: <HOME=/root>
[code]....
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Feb 25, 2010
It seems that cron is not upgrading my Ubuntu 8.04 LTS Server, no GUI installed. I changed /etc/crontab and watched apt running:
Code:
ps -A | grep apt
showed it for a long time,
Code:
sudo tcpdump tcp
showed communication with canonical sites,
but:
Code:
top
did not show any apt using CPU
[code].....
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Sep 19, 2010
I put in my cron entries to run my backup script which rsyncs my data to my 2nd drive, however on a hunch I checked my backup drive which mounts automatically via fstab and I realize it had not ran in a while. I checked cron and there were no entries for it. I got to wondering if I should ever be worried about a cron update coming down and over-writing my existing cron file with the backup entries in it to run.
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Feb 17, 2011
how to make creative web cam working with ubuntu
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Sep 11, 2010
When I installed my 64 bit system of Ubuntu 10.04 the sound worked very well and I were very happy. The problem started however when I installed Skype which uses pulseaudio. As soon as I start skype (or any other application that uses pulse, HoN for example) the applications sound output or input does not work at all. If I have pulseaudio started in some way, applications that I suppose do not use it like spotify or flash player stops to produce sounds. And when I type "pulseaudio" in the terminal it gives me this:
[Code]...
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Jul 29, 2010
I'm having trouble getting compiz to work on my Laptop. It worked for a while and then I turned on Shift Switcher and a message popped up saying..."The new value for the button binding for the action Terminate in plugin Shift Switcher conflicts with the action Zoom Window of the Scale Addons plugin. Do you wish to disable Zoom Window in the Scale Addons plugin?" I was given the option of Set Terminate anyway, Don't set Terminate, and Disable Zoom Window. I clicked Don't set Terminate and ever since the only thing that works in compiz are the bindings in the general options. I've used synaptic to completely remove and then reinstall compiz but the problem persist. Something else weird, all of the changes I made are still there, even after complete removal, but they don't work?
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