Question: Users can configure cronjobs @reboot, but the cron environment is not ready for users at boot time. How can cron be forced to run only after the system is ready for users on Ubuntu?
/etc/passwdにエントリが存在しない つまりユーザーが、ない（と思われる） http://open-groove.net/openldap/orphan-no-passwd-entry/ Apr 5 01:28:00 my_server_name crond[19123]: (tmp.16094) ORPHAN (no passwd entry) Apr 5 01:28:00 my_server_name crond[19123]: ( tmp.16095) ORPHAN (no passwd entry) and somehow there are a lot of crond processes: You might have this also if you manually edited the root cron file in /var/spool/cron as redhat systems will create a backup file named root~ and this will be executed as a job, but since there is no user named root~ it is considered an orphan. You can easily find these with this command in console or SSH: grep ORPHAN /var/log/cron Jul 10 08:01:01 server1 crond[3420]: (tmp.XXXXEXYFUw) ORPHAN (no passwd entry) What could be the possible meaning of this? This will occur if there's a file in the /var/spool/cron directory that doesn't match up to a username and UID. ORPHAN (no passwd entry) by kashioka on 3月 26, 2011 • 2:44 PM この状況でcronを実行させるユーザを間違えているのであれば、正しい
You might have this also if you manually edited the root cron file in /var/spool/cron as redhat systems will create a backup file named root~ and this will be executed as a job, but since there is no user named root~ it is considered an orphan. You can easily find these with this command in console or SSH: grep ORPHAN /var/log/cron
/etc/passwdにエントリが存在しない つまりユーザーが、ない（と思われる） http://open-groove.net/openldap/orphan-no-passwd-entry/
By default, cron will send mail using the mail 'Content-Type:' header of 'text/plain' with the 'charset=' parameter set to the charmap / codeset of the locale in which crond(8) is started up - ie. either the default system locale, if no LC_* environment variables are set, or the locale specified by the LC_* environment variables (see locale(7
202 dst=72.187.71.158 len=52 tos=0x00 prec=0x00 ttl=106 id=2777 df proto=tcp spt=62479 dpt=51413 window=8192 res=0x00 syn urgp Aug 13, 2007 · If you need cron to source (read) any file that your script will need you should do it from the script cron is calling. Setting paths, sourcing files, setting environment variables, etc. If the users account has a crontab but no usable shell in /etc/passwd then the cronjob will not run.