請教一個關於cron和sendmail的問題(已解決)
在ntsysv中已把sendmail關掉，
crontab為root設置了一個定時執行任務（和sendmail無關），定時任務也正常運行。
但為什麼在執行定時任務時，會啟動sendmail？
ps -e -f
root 17574 2066 0 16:51 ? 00:00:00 crond
smmsp 17581 17574 0 16:51 ? 00:00:00 sendmail: ./l5D8p1Ud017581 : user open
root 17602 2066 0 16:53 ? 00:00:00 crond
smmsp 17609 17602 0 16:53 ? 00:00:00 sendmail: ./l5D8r1PK017609 : user open
root 17630 2066 0 16:55 ? 00:00:00 crond
smmsp 17636 17630 0 16:55 ? 00:00:00 sendmail: ./l5D8t1DP017636 : user open
如何徹底禁止使用sendmail？
謝謝。
[ 本帖最後由 hh11 於 2007-6-16 22:40 編輯 ]
《解決方案》
crontab 在 run 後預設都會寄信
一般系統在寄信時,即使是像 postfix , 也是叫 sendmail
至於您不想寄就看看 man page (crontab) 有你需要的答案
《解決方案》
謝謝回復。我看了一下man crontab，沒有發現有關sendmail方面的設置，不知如何是好，還請賜教。
CRONTAB(1) CRONTAB(1)
NAME
crontab - maintain crontab files for individual users (ISC Cron V4.1)
SYNOPSIS
crontab [-u user] file
crontab [-u user] [-l | -r | -e][-i] [-s]
DESCRIPTION
Crontab is the program used to install, deinstall or list the tables used to drive the cron(8) daemon in ISC Cron. Each user can have their own crontab,
and though these are files in /var, they are not intended to be edited directly.
If the cron.allow file exists, then you must be listed therein in order to be allowed to use this command. If the cron.allow file does not exist but the
cron.deny file does exist, then you must not be listed in the cron.deny file in order to use this command. If neither of these files exists, only the
super user will be allowed to use this command.
If the -u option is given, it specifies the name of the user whose crontab is to be tweaked. If this option is not given, crontab examines "your"
crontab, i.e., the crontab of the person executing the command. Note that su(8) can confuse crontab and that if you are running inside of su(8) you
should always use the -u option for safety』s sake.
The first form of this command is used to install a new crontab from some named file or standard input if the pseudo-filename 『『-』』 is given.
The -l option causes the current crontab to be displayed on standard output.
The -r option causes the current crontab to be removed.
The -e option is used to edit the current crontab using the editor specified by the VISUAL or EDITOR environment variables. After you exit from the edi-
tor, the modified crontab will be installed automatically.
The -i option modifies the -r option to prompt the user for a 』y/Y』 response before actually removing the crontab.
The -s option will append the current SELinux security context string as an SELINUX_ROLE_TYPE setting to the crontab file before editing / replacement
occurs - see the documentation of SELINUX_ROLE_TYPE in crontab(5).
SEE ALSO
crontab(5), cron(8)
FILES
/etc/cron.allow
/etc/cron.deny
STANDARDS
The crontab command conforms to IEEE Std1003.2-1992 (『『POSIX』』). This new command syntax differs from previous versions of Vixie Cron, as well as from
the classic SVR3 syntax.
DIAGNOSTICS
A fairly informative usage message appears if you run it with a bad command line.
AUTHOR
Paul Vixie <vixie@isc.org>
4th Berkeley Distribution 29 December 1993 CRONTAB(1)
《解決方案》
關注一下。
