How to clean up /

[Johannes Totz]

On 30/11/2012 10:25, Fleuriot Damien wrote:
>
> On Nov 30, 2012, at 9:59 AM, Alfred Bartsch <bartsch at dssgmbh.de> wrote:
>
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>> Am 30.11.2012 08:16, schrieb Kevin Oberman:
>>> On Thu, Nov 29, 2012 at 8:46 PM, Daniel O'Connor
>>> <doconnor at gsoft.com.au> wrote:
>>>>
>>>> On 30/11/2012, at 12:14, mbsd <mbsd at isgroup.com.ua> wrote:
>>>>> Ξ ~ → du -sh /boot/kernel 59M   kernel
>>>>>
>>>>> Try to recompile your kernel without debug.
>>>>
>>>> Or delete /boot/kernel/*.symbols.
>>
>> You may suppress the installation of the *.symbols files by inserting
>> the following statement into /etc/make.conf:
>>
>> # prevent installation of "*.symbols" in /boot/kernel
>> INSTALL_NODEBUG=        yes
>
>
> In addition to the previous advice you've received regarding symbol files, you may also want to only compile and install the kernel modules you actually use.
> There's also the side benefit of the kernel being that much faster to rebuild.
>
> Get the list with "kldstat".
>
> Here for example, we only build a very few of them:
> $ kldstat
> Id Refs Address            Size     Name
>   1   19 0xffffffff80100000 b0eec0   kernel
>   2    1 0xffffffff80c0f000 bca8     geom_label.ko
>   3    1 0xffffffff80c1b000 1350     mfi_linux.ko
>   4    4 0xffffffff80c1d000 47958    linux.ko
>   5    1 0xffffffff80e12000 40c3     linprocfs.ko
>   6    1 0xffffffff80e17000 a14      linsysfs.ko
>
>
> This yields a very lightweight kernel folder, even when retaining the debug symbols:
> $ du -hs
>   46M	.
>
> This is what you want in /etc/rc.conf :
> MODULES_OVERRIDE=geom/geom_label if_lagg if_vlan linprocfs linsysfs linux mfi/mfi_linux

This should be in /etc/make.conf?