What does operator '1>>' means in cron?
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In Laravel Task Scheduling, it's advised to put this cron code into server's cron:
* * * * * cd /path-to-your-project && php artisan schedule:run >> /dev/null 2>&1
But in the accepted answer, he used this:
php /path/to/artisan schedule:run 1>> /dev/null 2>&1
I know that /dev/null 2>&1
means cron output won't be emailed to the user, and this answer explains about >>
:
(The >> seems sort of superfluous, since >> means append while > means truncate and write, and either appending to or writing to /dev/null has the same net effect. I usually just use > for that reason.)
What I don't yet understand is the 1
in 1>>
. What is its effect?
cron
add a comment |
In Laravel Task Scheduling, it's advised to put this cron code into server's cron:
* * * * * cd /path-to-your-project && php artisan schedule:run >> /dev/null 2>&1
But in the accepted answer, he used this:
php /path/to/artisan schedule:run 1>> /dev/null 2>&1
I know that /dev/null 2>&1
means cron output won't be emailed to the user, and this answer explains about >>
:
(The >> seems sort of superfluous, since >> means append while > means truncate and write, and either appending to or writing to /dev/null has the same net effect. I usually just use > for that reason.)
What I don't yet understand is the 1
in 1>>
. What is its effect?
cron
add a comment |
In Laravel Task Scheduling, it's advised to put this cron code into server's cron:
* * * * * cd /path-to-your-project && php artisan schedule:run >> /dev/null 2>&1
But in the accepted answer, he used this:
php /path/to/artisan schedule:run 1>> /dev/null 2>&1
I know that /dev/null 2>&1
means cron output won't be emailed to the user, and this answer explains about >>
:
(The >> seems sort of superfluous, since >> means append while > means truncate and write, and either appending to or writing to /dev/null has the same net effect. I usually just use > for that reason.)
What I don't yet understand is the 1
in 1>>
. What is its effect?
cron
In Laravel Task Scheduling, it's advised to put this cron code into server's cron:
* * * * * cd /path-to-your-project && php artisan schedule:run >> /dev/null 2>&1
But in the accepted answer, he used this:
php /path/to/artisan schedule:run 1>> /dev/null 2>&1
I know that /dev/null 2>&1
means cron output won't be emailed to the user, and this answer explains about >>
:
(The >> seems sort of superfluous, since >> means append while > means truncate and write, and either appending to or writing to /dev/null has the same net effect. I usually just use > for that reason.)
What I don't yet understand is the 1
in 1>>
. What is its effect?
cron
cron
asked Nov 15 '18 at 11:18
Hilman FaizHilman Faiz
257
257
add a comment |
add a comment |
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