[arm-allstar] LOG
Luc Drolet VE2LUQ
ldrolet at cgocable.ca
Tue Sep 4 18:05:10 EDT 2018
Hello Doug,
WOW, as I understand it with this PDF attached, everything works well,
devmon is now activated.
Is it automatic that the LOGS go to this place
Or do I need to set other items for my CDR-VSV file to be on the USB flash drive?
Thank you for your help
73’s
Luc
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> Le 3 sept. 2018 à 21:55, Doug Crompton via ARM-allstar <arm-allstar at hamvoip.org> a écrit :
>
> I gave this command to Luc because he needed to automatically mount the USB
> stick at boot. The purpose is to check if devmon is already running and if
> not run it in the background. The command gives no response if run from the
> console. This command is also executed in the file-backup.sh script if you
> use a USB stick to backup.
>
> However the best way to start devmon at each boot is to run it under
> systemd which is what I do here. Here is an example which when run will
> start it now and at each boot -
>
> systemctl enable devmon at root.service
> systemctl start devmon at root.service
>
> systemctl status devmon at root.service
>
> * devmon at root.service - devmon Service
> Loaded: loaded (/usr/lib/systemd/system/devmon at .service; enabled; vendor
> pres
> Active: active (running) since Thu 2018-05-31 23:20:25 EDT; 3 months 3
> days a
> Main PID: 272 (devmon)
> Tasks: 2 (limit: 512)
> CGroup: /system.slice/system-devmon.slice/devmon at root.service
> |-272 /bin/bash /usr/bin/devmon
> `-419 /usr/sbin/udevil --monitor
>
> Once you do this it will always be running and the line to check if it is
> running would not be needed. It would not hurt to run it though as it would
> do nothing.
>
>
> *73 Doug*
>
> *WA3DSP*
>
> *http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*
>
>
>
>
> On Mon, Sep 3, 2018 at 7:59 PM "Charles Powell via ARM-allstar" <
> arm-allstar at hamvoip.org> wrote:
>
>> Luc,
>>
>> You have told the computer to output everything to '/dev/null’ so it won’t
>> return anything to you. I’m not exactly sure why you were running the
>> command but you have indeed corrected the syntax and command structure.
>> ‘devmon’ is a system monitor for use with SNMP (Simple Network Management
>> Protocol) for comprehensive system monitoring. Is that what you intended?
>> If not, what were you trying to accomplish with the command?
>>
>> 73,
>>
>> Charles - NK8O
>>
>>> On Sep 3, 2018, at 5:56 PM, Luc Drolet VE2LUQ via ARM-allstar <
>> arm-allstar at hamvoip.org> wrote:
>>>
>>> Hello Charles,
>>>
>>> I entered your order and the return of the "ENTER" I'm nothing happens?
>>> See attached file
>>>
>>> thank you for helping me
>>>
>>> Luc
>>> VE2LUQ<devmon_1.pdf>
>>>
>>>> Le 3 sept. 2018 à 18:09, Charles Powell via ARM-allstar <
>> arm-allstar at hamvoip.org> a écrit :
>>>>
>>>> For starters, you must not put spaces between elements of a directory
>> or path.
>>>>
>>>> You wrote your command as:
>>>>
>>>> 'pgrep devmon &> / dev / null || / usr / bin / devmon &> / dev / null’
>>>>
>>>> This should be written:
>>>>
>>>> 'pgrep devmon &> /dev/null || /usr/bin/devmon &> /dev/null'
>>>>
>>>> What the terminal is telling you is that all it sees is ‘/‘ and that
>> represents the root directory. Since you can’t output to the root
>> directory, your command fails.
>>>>
>>>> 73,
>>>>
>>>> Charles - NK8O
>>>>
>>>>
>>>>
>>>>
>>>>> On Sep 3, 2018, at 3:40 PM, Luc Drolet VE2LUQ via ARM-allstar <
>> arm-allstar at hamvoip.org> wrote:
>>>>>
>>>>> Hello Doug,
>>>>>
>>>>> OK, I did some tests, but I can not make it work?
>>>>> in menu-9 in SSH mode, I run the command
>>>>> <devmon.pdf>"pgrep devmon &> / dev / null || / usr / bin / devmon &> /
>> dev / null »
>>>>> and I do not understand how to transfer these files to the drive USB?
>>>>>
>>>>> Luc
>>>>>
>>>>>
>>>>>> Le 3 sept. 2018 à 14:02, Luc Drolet VE2LUQ via ARM-allstar <
>> arm-allstar at hamvoip.org> a écrit :
>>>>>>
>>>>>> Hello Doug,
>>>>>>
>>>>>> Thank you for this info, all my sites have a 16GB USB key now, since
>> I learned to make the file "file-backup.sh" except the NODE 1400 him he
>> does not have a USB key presently because I have access to this site which
>> is difficult,
>>>>>>
>>>>>> With the same USB key, if I understand correctly, I can make my
>> backup in a file and create another file for my LOGS on the same USB key
>> that is connected to the Raspbbey Pi
>>>>>>
>>>>>> OK tonight I'm going to test my NODE at home to see how it works
>>>>>>
>>>>>> Thank you for your explanations, thank you very much
>>>>>>
>>>>>> see attached file #df
>>>>>>
>>>>>> Luc
>>>>>> VE2LUQ<df.pdf>
>>>>>>
>>>>>>> Le 3 sept. 2018 à 12:22, Doug Crompton via ARM-allstar <
>> arm-allstar at hamvoip.org> a écrit :
>>>>>>>
>>>>>>> Luc,
>>>>>>>
>>>>>>> When using an SD card as in the Pi we limit writes to the card itself
>>>>>>> therefore all logs are to a tmp filesystem or in other words to
>> volatile
>>>>>>> RAM. If you do a 'df' command at the Linux prompt you will see what
>> I mean -
>>>>>>>
>>>>>>> # df
>>>>>>> Filesystem 1K-blocks Used Available Use% Mounted on
>>>>>>> /dev/root 3762048 1594272 1956956 45% /
>>>>>>> devtmpfs 474584 0 474584 0% /dev
>>>>>>> tmpfs 479192 0 479192 0% /dev/shm
>>>>>>> tmpfs 479192 12344 466848 3% /run
>>>>>>> tmpfs 479192 0 479192 0% /sys/fs/cgroup
>>>>>>> tmpfs 479192 32 479160 1% /tmp
>>>>>>> tmpfs 51200 412 50788 1% /var/log
>>>>>>> /dev/mmcblk0p1 102182 19610 82572 20% /boot
>>>>>>> tmpfs 95840 0 95840 0% /run/user/0
>>>>>>>
>>>>>>> All of the filesystems defined tmpfs are in RAM. This includes
>> /var/log and
>>>>>>> all directories below it.
>>>>>>>
>>>>>>> f you truly want to save data on an ongoing basis I would recommend
>>>>>>> installing a USB stick. 32G or more USB sticks are very inexpensive.
>>>>>>>
>>>>>>> You can either specifically mount it in /etc/fstab or make sure that
>> devmon
>>>>>>> is running using the following line - This could be the first line in
>>>>>>> /etc/rc.local -
>>>>>>>
>>>>>>> # check if devmon is running, if not running, start it
>>>>>>> pgrep devmon &> /dev/null || /usr/bin/devmon &> /dev/null
>>>>>>>
>>>>>>> Then direct all things you want to keep to the USB stick.
>>>>>>>
>>>>>>> There are other ways like sending the data to another computer but
>> just
>>>>>>> putting it on a USB stick is the easiest. I do this on my hubs
>> storing logs
>>>>>>> there and it has worked well. Here is what it looks like in my case
>> in
>>>>>>> fstab -
>>>>>>>
>>>>>>> /dev/sda1 59374732 1520772 54814780 3% /media/MS1
>>>>>>>
>>>>>>> I named the stick MS1. It is a 64G stick and after a year of logging
>> has 3%
>>>>>>> used!
>>>>>>>
>>>>>>> And yes this could be the same USB stick that you do backups to using
>>>>>>> file-backup.sh
>>>>>>>
>>>>>>>
>>>>>>> *73 Doug*
>>>>>>>
>>>>>>> *WA3DSP*
>>>>>>>
>>>>>>> *http://www.crompton.com/hamradio <http://www.crompton.com/hamradio
>>> *
>>>>>>>
>>>>>>>
>>>>>>> On Mon, Sep 3, 2018 at 11:54 AM "Luc Drolet VE2LUQ via ARM-allstar" <
>>>>>>> arm-allstar at hamvoip.org> wrote:
>>>>>>>
>>>>>>>> Hello everyone,
>>>>>>>>
>>>>>>>> I have a small problem with my CDR-CSV file in / var / log /
>>>>>>>> this file sometimes disappears ???, I ask myself a question which I
>>>>>>>> believe,
>>>>>>>> when I made an update of our asterisk version,
>>>>>>>> in ssh mode "admin menu" # 1, the file CDR-CSV who disappears but
>> I'm not
>>>>>>>> sure!
>>>>>>>>
>>>>>>>> I installed the supermon 6.0 in our repeater and I also like this
>> web page
>>>>>>>> very good job
>>>>>>>> Is it because I installed this web page that I have a bug on the
>> CDR-CSV
>>>>>>>> file?
>>>>>>>>
>>>>>>>> I use private NODES for your information.
>>>>>>>>
>>>>>>>> to get the CDR-CSV file, I go back to the 9-Start bash shell
>> interface
>>>>>>>> menu,
>>>>>>>> and execute this command
>>>>>>>> "mkdir / var / log / asterisk / cdr-csv"
>>>>>>>> and everything comes back to normal, skips that I lost my LOG
>>>>>>>>
>>>>>>>> Thank you for helping us
>>>>>>>> Have a good day
>>>>>>>> Luc
>>>>>>>> VE2LUQ
>>>>>>>> _______________________________________________
>>>>>>>>
>>>>>>>> ARM-allstar mailing list
>>>>>>>> ARM-allstar at hamvoip.org
>>>>>>>> http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar
>>>>>>>>
>>>>>>>> Visit the BBB and RPi2/3 web page - http://hamvoip.org
>>>>>>>>
>>>>>>> _______________________________________________
>>>>>>>
>>>>>>> ARM-allstar mailing list
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>>>>>>>
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>>>>>>
>>>>>> _______________________________________________
>>>>>>
>>>>>> ARM-allstar mailing list
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>>>>>>
>>>>>> Visit the BBB and RPi2/3 web page - http://hamvoip.org
>>>>>
>>>>> _______________________________________________
>>>>>
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>>>>>
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>>>>
>>>> _______________________________________________
>>>>
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>>>>
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>>>
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>>>
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>>
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>>
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