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

[Lars Engels]

On Fri, Jul 18, 2014 at 02:10:25PM +0200, Lars Engels wrote:
> On Thu, Jul 17, 2014 at 01:00:03PM -0700, Adrian Chadd wrote:
> > On 17 July 2014 12:57, Andreas Nilsson <andrnils at gmail.com> wrote:
> > >
> > >
> > >
> > > On Thu, Jul 17, 2014 at 9:28 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;
> > >
> > > I disagree on this. For network services on linux ( apart from ssh ), I want
> > > that started very seldom. But I do want the package installed so that when I
> > > need it, it is there. Having it autostart as part of being installed is
> > > breaking KISS and in some way unix philosophy: I asked for something to be
> > > installed, not installed and autostarted.
> > 
> > That's cool. We can disagree on that. But the fact that you have to
> > edit a file to enable things and hope you get the right start entry in
> > /etc/rc.conf or /usr/local/etc/rc.conf, or wherever you put it is, is
> > a pain.
> 
> No, Sir! No need to edit anything:
> 
> root at testjail: # pkg install apache24
> Updating repository catalogue
> The following 5 packages will be installed:
> 
>         Installing pcre: 8.33
>         Installing gdbm: 1.10
>         Installing db42: 4.2.52_5
>         Installing apr: 1.4.8.1.5.3
>         Installing apache24: 2.4.6_1
> 
> The installation will require 47 MB more space
> 
> 5 MB to be downloaded
> 
> Proceed with installing packages [y/N]: y
> gdbm-1.10.txz 100%   83KB  83.2KB/s  83.2KB/s   00:00
> db42-4.2.52_5.txz 100% 1457KB   1.4MB/s   1.4MB/s   00:00
> apr-1.4.8.1.5.3.txz 100%  390KB 389.5KB/s 389.5KB/s   00:00
> apache24-2.4.6_1.txz 100% 3649KB   3.6MB/s   3.6MB/s   00:00
> Checking integrity... done
> [1/5] Installing pcre-8.33... done
> [2/5] Installing gdbm-1.10... done
> [3/5] Installing db42-4.2.52_5... done
> [4/5] Installing apr-1.4.8.1.5.3... done
> [5/5] Installing apache24-2.4.6_1...===> Creating users and/or groups.
> Using existing group 'www'.
> Using existing user 'www'.
> /usr/local/share/examples/apache24/httpd.conf ->
> /usr/local/etc/apache24/httpd.conf
>  done
> To run apache www server from startup, add apache24_enable="yes"
> in your /etc/rc.conf. Extra options can be found in startup script.
> 
> Your hostname must be resolvable using at least 1 mechanism in
> /etc/nsswitch.conf typically DNS or /etc/hosts or apache might
> have issues starting depending on the modules you are using.
> 
> root at testjail: # sysrc apache24_enable=yes
> apache24_enable:  -> yes
> 
> root at testjail: # service apache24 start
> Performing sanity check on apache24 configuration:
> AH00557: httpd: apr_sockaddr_info_get() failed for testjail
> AH00558: httpd: Could not reliably determine the server's fully
> qualified domain name, using 127.0.0.1. Set the 'ServerName' directive
> globally to suppress this message
> Syntax OK
> Starting apache24.
> AH00557: httpd: apr_sockaddr_info_get() failed for testjail
> AH00558: httpd: Could not reliably determine the server's fully
> qualified domain name, using 127.0.0.1. Set the 'ServerName' directive
> globally to suppress this message
> root at testjail: #
> 
> 
> That's 3 commands to enter. Admittedly 2 more than on some OS that
> blindly starts any service you install, but 2 steps more logical and
> even a newbie can do this.
> 
> What could be done is that pkg looks for rc scripts in a package,
> extracts the enable line and prints a message how to enable the script /
> daemon permanently.
> 
> Like: 
> - To start the script "apache24" once run "service apache24 onestart".
> - To start the script "apache24" at boot time run "sysrc apache24_enable=yes"
> - The script "apache24" has the following optional settings for /etc/rc.conf:
>     apache24_profiles (str):     Set to "" by default.
>                                  Define your profiles here.
>     apache24limits_enable (bool):Set to "NO" by default.
>                                 Set it to yes to run `limits $limits_args`
>                                 just before apache starts.
>     apache24_flags (str):        Set to "" by default.
>                                 Extra flags passed to start command.
>     apache24limits_args (str):   Default to "-e -C daemon"
>                                 Arguments of pre-start limits run.
>     apache24_http_accept_enable (bool): Set to "NO" by default.
>                                 Set to yes to check for accf_http kernel
>                                 module on start up and load if not loaded.
>     apache24_fib (str):         Set an altered default network view for apache
> 
> 
> 

Sorry for no reading the whole thread first. This was already suggested
in another part of the thread.
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