ab cd
Senior Member
Problem was not with path, it was due to typing alphabet o instead of numeral 0.
After changing alphabets o o by numerals 0 0 in entry 0 0,6,12,18 * * * sudo reboot, the RPi started rebooting as scheduled.
When a command is run as root, files inside the sbin folder have a higher priority than the other folders in the path.
That is why when command sudo reboot is given, sudo automatically chooses /sbin/reboot.
Later addition:
If you check your sudoers file in /etc, you will find the default path given there.
Code:
pi@raspberrypi ~ $ sudo cat /etc/sudoers
#
# This file MUST be edited with the 'visudo' command as root.
#
# Please consider adding local content in /etc/sudoers.d/ instead of
# directly modifying this file.
#
# See the man page for details on how to write a sudoers file.
#
Defaults env_reset
Defaults mail_badpass
Defaults secure_path="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
# Host alias specification
# User alias specification
# Cmnd alias specification
# User privilege specification
root ALL=(ALL:ALL) ALL
# Allow members of group sudo to execute any command
%sudo ALL=(ALL:ALL) ALL
# See sudoers(5) for more information on "#include" directives:
#includedir /etc/sudoers.d
pi ALL=(ALL) NOPASSWD: ALL
pi@raspberrypi ~ $
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