Hi All,

I use service and running the command in /etc/init.d/ directly to run the
services in that directory. Until now I thought it was the same to run, for
example:

service httpd status

and

/etc/init.d/httpd status

but now I have a server that they don´t do the same:

#/etc/init.d/httpd status
httpd is stopped

and

#service httpd status
httpd (pid 23784) is running

Anyone can explain me this? I suposse it´s something about enviroment
variables, but I can´t see the difference

Thanks in advance,

ESG
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I use service and running the command in /etc/init.d/ directly to run the
services in that directory. Until now I thought it was the same to run, for
example:

service httpd status

and

/etc/init.d/httpd status

but now I have a server that they don´t do the same:


<snip>


Anyone can explain me this? I suposse it´s something about enviroment
variables, but I can´t see the difference


I would run both with bash -x and redirect the output and compare or diff
them.


bash -x service httpd status >/tmp/service.log 2>&1

bash -x /etc/init.d/httpd status >/tmp/initscript.log 2>&1

Barry--
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Hi Barry,

very good your idea, !!!

The output are very very very different,

I´m going to analize it, and I´ll publish the results....

Thanks,

ESG



2011/10/4 Barry Brimer <lists@brimer.org>

> I use service and running the command in /etc/init.d/ directly to run the
>> services in that directory. Until now I thought it was the same to run,
>> for
>> example:
>>
>> service httpd status
>>
>> and
>>
>> /etc/init.d/httpd status
>>
>> but now I have a server that they don´t do the same:
>>
>
> <snip>
>
>
> Anyone can explain me this? I suposse it´s something about enviroment
>> variables, but I can´t see the difference
>>
>
> I would run both with bash -x and redirect the output and compare or diff
> them.
>
> bash -x service httpd status >/tmp/service.log 2>&1
>
> bash -x /etc/init.d/httpd status >/tmp/initscript.log 2>&1
>
> Barry
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Hi again,

Very very strange.

The service command executes:

env -i LANG=es_ES.UTF-8 PATH=/sbin:/usr/sbin:/bin:/usr/bin TERM=xterm
/etc/init.d/httpd status

If I run this command from the shell, it runs ok, but If I don´t
give LANG=es_ES.UTF-8 I get the error.

I´m going to continue investigating...

Greetings,

ESG

2011/10/4 ESGLinux <esggrupos@gmail.com>

> Hi Barry,
>
> very good your idea, !!!
>
> The output are very very very different,
>
> I´m going to analize it, and I´ll publish the results....
>
> Thanks,
>
> ESG
>
>
>
> 2011/10/4 Barry Brimer <lists@brimer.org>
>
>> I use service and running the command in /etc/init.d/ directly to run
>>> the
>>> services in that directory. Until now I thought it was the same to run,
>>> for
>>> example:
>>>
>>> service httpd status
>>>
>>> and
>>>
>>> /etc/init.d/httpd status
>>>
>>> but now I have a server that they don´t do the same:
>>>
>>
>> <snip>
>>
>>
>> Anyone can explain me this? I suposse it´s something about enviroment
>>> variables, but I can´t see the difference
>>>
>>
>> I would run both with bash -x and redirect the output and compare or diff
>> them.
>>
>> bash -x service httpd status >/tmp/service.log 2>&1
>>
>> bash -x /etc/init.d/httpd status >/tmp/initscript.log 2>&1
>>
>> Barry
>> --
>> redhat-list mailing list
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>>
>
>
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2011/10/4 Barry Brimer <lists@brimer.org>:
>> I use service and running the command in /etc/init.d/ directly *to run the
>> services in that directory. Until now I thought it was the same to run,
>> for
>> example:
>>
>> service httpd status
>>
>> and
>>
>> /etc/init.d/httpd status
>>
>> but now I have a server that they don´t do the same:
>
> <snip>
>
>> Anyone can explain me this? I suposse it´s something about enviroment
>> variables, but I can´t see the difference
>
> I would run both with bash -x and redirect the output and compare or diff
> them.
>
> bash -x service httpd status >/tmp/service.log 2>&1
>
> bash -x /etc/init.d/httpd status >/tmp/initscript.log 2>&1

IMHO: This has no sense, because service is only a wrapper who calls
to /etc/init.d/xservice

man service

service runs a System V init script in as predictable environment as
possible, removing most environment variables and with current working
directory set to /.

Best regrads.

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GOTCHA!!!!

I always have read that running services using service command is safer than
using the script directly

the key is that service runs the script with env -i (with an empty
enviroment) so if there is any wrong variable you are protected.

My problem is that in /etc/profile.d/ I have defined a wrong variable and
when I run /etc/init.d/httpd status the scripts runs with the corrupt
enviroment.

with service you allways run with an empty enviroment so I don´t get the
error.

Thank you all for your help. I hope it gives a bit of light about it ;-)


ESG



2011/10/4 Daniel Carrillo <daniel.carrillo@gmail.com>

> 2011/10/4 Barry Brimer <lists@brimer.org>:
> >> I use service and running the command in /etc/init.d/ directly to run
> the
> >> services in that directory. Until now I thought it was the same to run,
> >> for
> >> example:
> >>
> >> service httpd status
> >>
> >> and
> >>
> >> /etc/init.d/httpd status
> >>
> >> but now I have a server that they don´t do the same:
> >
> > <snip>
> >
> >> Anyone can explain me this? I suposse it´s something about enviroment
> >> variables, but I can´t see the difference
> >
> > I would run both with bash -x and redirect the output and compare or diff
> > them.
> >
> > bash -x service httpd status >/tmp/service.log 2>&1
> >
> > bash -x /etc/init.d/httpd status >/tmp/initscript.log 2>&1
>
> IMHO: This has no sense, because service is only a wrapper who calls
> to /etc/init.d/xservice
>
> man service
>
> service runs a System V init script in as predictable environment as
> possible, removing most environment variables and with current working
> directory set to /.
>
> Best regrads.
>
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ESGLinux wrote:
> GOTCHA!!!!
>
> I always have read that running services using service command is safer
> than using the script directly
>
> the key is that service runs the script with env -i (with an empty
> enviroment) so if there is any wrong variable you are protected.
>
> My problem is that in /etc/profile.d/ I have defined a wrong variable and
> when I run /etc/init.d/httpd status the scripts runs with the corrupt
> enviroment.
<snip>
Good catch!

mark

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Thanks for the follow up .. nice to know what you found out!!

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