Re: [Monitorix-general] Freebsd 12 vs Monitorix

[Jordi S. <jo...@fi...>]

Kamil,

OK, after reading these messages I think it's better to remove the 
entropy support for FreeBSD systems. So, no one will experience these 
same errors you had.

Thank you very much.
Best regards.


On 2/18/19 4:49 PM, cr...@lo... wrote:
> all i found is : 
> http://freebsd.1045724.x6.nabble.com/Querying-entropy-state-td6257051.html
> so i tried to comment out these lines 293 to 296 in system.pm and seems 
> it started to work again, al lerrors in log are gone
> 
> On 18.02.2019 12:46, Jordi Sanfeliu wrote:
>> Hello Kamil,
>>
>>
>> On 2/15/19 3:48 PM, cr...@lo... wrote:
>>> OK, 2nd issue is gone now, i just reinstalled monitorix from ports 
>>> with all dependencies so now i'm able to generate graphs. but still 
>>> having issues with SYSTEM monitoring as described earlier ...
>>>
>>> - Kamil
>>>
>>>
>>> On 15.02.2019 13:29, cr...@lo... wrote:
>>>> Hi,
>>>>
>>>> i'm using Monitorix since FreeBSD 7 and its simply great. BUT 
>>>> recently i've installed FreeBSD 12 on new machine and having two 
>>>> problems now ...
>>>>
>>>> 1st - cannot monitor SYSTEM, the rest of monitors i'm using are OK. 
>>>> i can see lots of these errors in logfile:
>>>>
>>>> Use of uninitialized value in lc at /usr/local/bin/monitorix line 714.
>>>> Use of uninitialized value in lc at /usr/local/bin/monitorix line 740.
>>
>> Looks like you removed some parts ('traffacct' and 'emailreports') 
>> from the configuration file that you won't use. Monitorix expects to 
>> read the original configuration file, and you think you won't use an 
>> option, just leave it disabled (with 'n').
>>
>>
>>>> sysctl: unknown oid 'kern.random.sys.seeded'
>>>> Use of uninitialized value $entropy in scalar chomp at 
>>>> /usr/local/share/monitorix/system.pm line 296.
>>>> Use of uninitialized value $entropy in chomp at 
>>>> /usr/local/share/monitorix/system.pm line 361.
>>>> Use of uninitialized value $entropy in concatenation (.) or string 
>>>> at /usr/local/share/monitorix/system.pm line 401.
>>>> Fri Feb 15 13:16:00 2019 - ERROR: while updating 
>>>> /var/db/monitorix/system.rrd: /var/db/monitorix/system.rrd: Function 
>>>> update_pdp_prep, case DST_GAUGE - Cannot convert '' to float
>>>>
>>>> according to man page "kern.random.sys.seeded" is not in FreeBSD 11 
>>>> and newer, last seen in 10: 
>>>> https://www.freebsd.org/cgi/man.cgi?query=random&apropos=0&sektion=4&manpath=FreeBSD+10.4-stable&arch=default&format=html 
>>>>
>>>> i can confirm that as previous machine was running 10 with no issue 
>>>> (i skipped 11 to 12 now)
>>
>> It seems then that FreeBSD folks have removed (or perhaps changed the 
>> name) of the option 'kern.random.sys.seeded'. Do you know if there 
>> exist a different way to know the entropy on a FreeBSD system?
>>
>> Meanwhile as a work-around comment out the lines from 293 to 296 in 
>> the 'system.pm' file of your FreeBSD system. I believe that the last 
>> error about 'unable to convert '' to float is just a consequence of 
>> the previous problem.
>>
>>
>>>>
>>>> 2nd - i'm not able to generate graphs, when i try this:
>>>> monitorix.cgi mode=localhost graph=all when=day color=black
>>>>
>>>> i'll get:
>>>> Use of uninitialized value $ENV{"HTTP_HOST"} in concatenation (.) or 
>>>> string at ./monitorix.cgi line 260.
>>>>
>>>> as i said i had no issue before (FreeBSD 7 8 9 10) but started after 
>>>> instalation of 12 ...
>>>>
>>>> thanks!
>>>> Kamil
>>>>
>>>>
>> Regards.
>>

-- 
Jordi Sanfeliu
FIBRANET Network Services Provider
https://www.fibranet.cat