Answer / uday

by default only root user has permission to use cron
utility.
Hence check wheather cron.allow or cron.deny exist.
If these files are present then check entries for the user
which is performing cronjob.
also check wheather user has proper permission for the
command or file system which is included in crontab.

Answer / sameer patil

By default root user have permission to run crontab,

check wheter /etc/cron.d/cron.allow file is present , if it
then check entry for the user who performing the cron jobs
then set the #EDITOR=vi; , # export EDITOR & run crontab -e
cammand,

Answer / raghu

Verify whether the crond daemon is running or not. Also
verify the cron logs.i.e log file under /var/cron/

Answer / rathnasekaran.r(tcs)

Before do all these , check the userid for cronjob has
expired or locked.If so unlock passwd -u <userid> or set
nonexpiry
#passwd -x -1 <userid>

Answer / vj

user's password is expired due that reason he is unable login inti the cron job.U can check it in the

go to the /var/cron and u will find passwd expired

Answer / kishore devkate

export EDITOR=vi ;to specify a editor to open crontab file.

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