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Full Discussion: MAC at @reboot, like some cellphone
Operating Systems BSD MAC at @reboot, like some cellphone Post 302989542 by 1in10 on Saturday 14th of January 2017 05:04:22 AM
Old 01-14-2017
MAC at @reboot, like some cellphone
I want to change my MAC at reboot, so making it a cron job like the following in BSD.
Can I do this in the jail for the user, setting it as a command or should it be a script?

I would set it as a command

Code:
openssl rand -hex 6 | sed 's/\(..)/\1:/g; s/.$//'

just to test it, it works.


To make things easier, blinded by the light, I just took the macchanger script from my linux distro and set it already unpacked in the folder of
Code:
/home/name of the user/sbin/

setting the flags and doing it at or @reboot.

It works fine with just the command line!!!!


Code:
@reboot  usernamesomebody    openssl rand -hex 6 | sed 's/\(..)/\1:/g; s/.$//'

I am asking this, because the BSD handbook tells me to try it first as a homebrew script in the really
special environment, that is giving me a headache like the following

Code:
env -i SHELL=/bin/sh PATH=/etc:/bin:/sbin:/usr/bin:/usr/sbin HOME=

And my second question is, would it be better to set it in the system crontab
Code:
/etc/crontab

or just user crontab?

So if someone can help me out, thanks in advance!!!
Last edited by 1in10; 01-18-2017 at 05:53 AM.. Reason: SOLVED FINALLY
 

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LEARN ABOUT CENTOS

reboot

HALT(8) 							       halt								   HALT(8)

NAME

       halt, poweroff, reboot - Halt, power-off or reboot the machine

SYNOPSIS

       halt [OPTIONS...]

       poweroff [OPTIONS...]

       reboot [OPTIONS...]

DESCRIPTION

       halt, poweroff, reboot may be used to halt, power-off or reboot the machine.

OPTIONS

       The following options are understood:

       --help
	   Prints a short help text and exits.

       --halt
	   Halt the machine, regardless of which one of the three commands is invoked.

       -p, --poweroff
	   Power-off the machine, regardless of which one of the three commands is invoked.

       --reboot
	   Reboot the machine, regardless of which one of the three commands is invoked.

       -f, --force
	   Force immediate halt, power-off, reboot. Do not contact the init system.

       -w, --wtmp-only
	   Only write wtmp shutdown entry, do not actually halt, power-off, reboot.

       -d, --no-wtmp
	   Do not write wtmp shutdown entry.

       --no-wall
	   Do not send wall message before halt, power-off, reboot.

EXIT STATUS

       On success, 0 is returned, a non-zero failure code otherwise.

NOTES

       These are legacy commands available for compatibility only.

SEE ALSO

       systemd(1), systemctl(1), shutdown(8), wall(1)

systemd 208																   HALT(8)
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