HOWTO articles for migrating from Linux to FreeBSD, especially for pkg?

[Allan Jude]

On 2014-07-18 15:10, Adrian Chadd wrote:
> Hi!
> 
> 
> On 18 July 2014 07:28, Lars Engels <lars.engels at 0x20.net> wrote:
>> On Thu, Jul 17, 2014 at 10:21:17PM +0200, Andreas Nilsson wrote:
>>> On Thu, Jul 17, 2014 at 10:15 PM, Navdeep Parhar <nparhar at gmail.com> wrote:
>>>
>>>> On 07/17/14 13:12, Adrian Chadd wrote:
>>>>> On 17 July 2014 13:03, Alberto Mijares <amijaresp at gmail.com> wrote:
>>>>>> On Thu, Jul 17, 2014 at 2:58 PM, Adrian Chadd <adrian at freebsd.org>
>>>> wrote:
>>>>>>> Hi!
>>>>>>>
>>>>>>> 3) The binary packages need to work out of the box
>>>>>>> 4) .. which means, when you do things like pkg install apache, it
>>>>>>> can't just be installed and not be enabled, because that's a bit of a
>>>>>>> problem;
>>>>>>
>>>>>>
>>>>>> No. Please NEVER do that! The user must be able to edit the files and
>>>>>> start the service by himself.
>>>>>
>>>>> Cool, so what's the single line command needed to type in to start a
>>>>> given package service?
>>>>
>>>> Aren't sysrc(8) and service(8) for this kind of stuff?
>>>>
>>>
>>> They sure are.
>>>
>>> Well, pkg install $service ; sysrc ${service}_enable="YES" would do.
>>> Although some services have different names than the packge, which is sort
>>> of annoying.
>>
>> I hacked up a solution for service(8):
>>
>> http://bsd-geek.de/FreeBSD/service.sh.enable-disable.patch
>>
>> The patch adds the following directives to service(8):
>>
>> enable: Grabs an rc script's rcvar value and runs "sysrc foo_enable=YES"
>> disable: The opposite of enable
>> rcdelete: Deletes an rc script's rcvar value from /etc/rc.conf using
>>           "sysrc -x foo_enable"
>>
>> The nice thing about is that you can use one of the new directives on
>> one line with the old ones, as long as the new are the first argument:
>>
>> # service syslogd enable
>> # service apache24 disable stop
>> # service apache24 rcdelete stop
>> # service nginx enable start
>>
>>
>> So after installing a package, to start and enable a daemon permanently
>> all you have to run is
>> # service foo enable start
>>
>> Lars
>>
>> P.S.: Thansk to Devin for his hard work on sysrc!
> 
> Having a way for sysrc and service to know what particular options and
> services are exposed by a given package or installed "thing" would be
> nice. Right now the namespace is very flat and it's not obvious in all
> instances what needs to happen to make it useful and what the options
> are.
> 
> "Oh, hm, I'd like to know what options there are for controlling the
> installed apache24 package, let's see"...
> 
> I remember IRIX having that command to list services, stop them and
> start them, configure them enabled and disabled. Solaris grew
> something like that with Solaris 10 and after the initial learning
> curve it was great. Hving something like that would be 100% awesome.
> 
> 
> -a
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> 

This could be as simple as 'service apache24 help'

Which would print out all of the possible config vars and guidance on
how to use them

-- 
Allan Jude

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