Crontab: Difference between revisions
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for i in 172.16.16.{1..50}; do ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $i "crontab -l | sed 's/.*\usr\/share\/mapstats\/mapstats/#&/' | crontab -" ; done | for i in 172.16.16.{1..50}; do ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $i "crontab -l | sed 's/.*\usr\/share\/mapstats\/mapstats/#&/' | crontab -" ; done | ||
</syntaxhighlight> | </syntaxhighlight> | ||
=Uncomment the job from our previous example= | =Uncomment the job from our previous example= | ||
Revision as of 11:17, 11 May 2016
Comment out a specific crontab job
Let's say we have many jobs in crontab and we'd like to comment out this one:
*/10 * * * * /usr/share/mapstats/mapstats
- Locally:
crontab -l | sed 's/.*\usr\/share\/mapstats\/mapstats/#&/' | crontab -
- Remotely on multiple servers, example:
for i in 172.16.16.{1..50}; do ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no $i "crontab -l | sed 's/.*\usr\/share\/mapstats\/mapstats/#&/' | crontab -" ; done
Uncomment the job from our previous example
crontab -l | sed '/.*\usr\/share\/mapstats\/mapstats/s/#//' | crontab -