[MityaevMaxim]

Похоже что crontab вообще не работает:

Скрытый текст

linux:~ # crontab -l
no crontab for root

Хотя:
l

Скрытый текст

inux:~ # service cron status
cron.service - Command Scheduler
Loaded: loaded (/usr/lib/systemd/system/cron.service; enabled)
Active: active (running) since Thu 2015-07-02 11:41:28 MSK; 23min ago
Main PID: 22957 (cron)
CGroup: /system.slice/cron.service
`-22957 /usr/sbin/cron -n

Jul 02 11:41:28 linux cron[22957]: (CRON) INFO (RANDOM_DELAY will be scaled with factor 97% if used.)
Jul 02 11:41:28 linux cron[22957]: (CRON) INFO (running with inotify support)
Jul 02 11:41:28 linux cron[22957]: (CRON) INFO (@reboot jobs will be run at computer's startup.)
Jul 02 11:45:01 linux cron[23198]: pam_unix(crond:session): session opened for user root by (uid=0)
Jul 02 11:45:01 linux cron[23199]: pam_unix(crond:session): session opened for user root by (uid=0)
Jul 02 11:50:01 linux cron[23378]: pam_unix(crond:session): session opened for user root by (uid=0)
Jul 02 11:55:01 linux cron[23561]: pam_unix(crond:session): session opened for user root by (uid=0)
Jul 02 12:00:01 linux cron[23721]: pam_unix(crond:session): session opened for user root by (uid=0)
Jul 02 12:00:01 linux cron[23722]: pam_unix(crond:session): session opened for user root by (uid=0)

Как исправить?