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08-28-2007, 05:24 AM
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#1
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Senior Member
Registered: Sep 2003
Distribution: Debian Squeeze / Wheezy
Posts: 1,623
Rep:
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>/dev/null 2>&1
hi
what does it mean
>/dev/null 2>&1
on the end of the cron job ?
greetings
cccc
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08-28-2007, 05:30 AM
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#2
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Moderator
Registered: Jun 2001
Location: UK
Distribution: Gentoo, RHEL, Fedora, Centos
Posts: 43,417
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it sends both the stderr and stdout steams to a black hole rather than the normal console output. cron will tend to email you any output it gets, which is annoying, so this prevents there being any output at all.
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08-28-2007, 05:59 AM
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#3
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Senior Member
Registered: Sep 2003
Distribution: Debian Squeeze / Wheezy
Posts: 1,623
Original Poster
Rep:
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thx , but howto prevent to send an email ?
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08-28-2007, 06:13 AM
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#4
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Moderator
Registered: Jun 2001
Location: UK
Distribution: Gentoo, RHEL, Fedora, Centos
Posts: 43,417
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by appending ">/dev/null 2>&1" to the end of the command.
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