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when i use rtcwake command‬‬:

rtcwake‬‬: command not found

Searching yields nothing:

$ sudo apt-cache search rtcwake
$ sudo apt-get install rtcwake
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package rtcwake

apt-cache policy util-linux:

util-linux:
  Installed: 2.25.1-3ubuntu4
  Candidate: 2.25.1-3ubuntu4
  Version table:
 *** 2.25.1-3ubuntu4 0
        500 http://mirror.rol.ru/ubuntu/ utopic/main amd64 Packages
        100 /var/lib/dpkg/status
javad75
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1 Answers1

0

/usr/sbin contains executables/scripts than can only be run by root user or with sudo. So I think it should be accessible when you add a sudo on the left of your command. You will need root privileges to get it to work anyway.
More info at the following link about difference between /bin and /sbin

However, I can locate rtcwake without sudo. It opens the help screen. But sudo is required to run it anyway.

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Byte Commander
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