[arm-allstar] LOG

Luc Drolet VE2LUQ ldrolet at cgocable.ca
Mon Sep 3 20:12:48 EDT 2018


Hello Charles,

YES, I want to have my LOGS on the USB key that is plugged into the raspberry pi,
have my LOGS and my backups

Thank you for your help

73’s
Luc
VE2LUQ

> Le 3 sept. 2018 à 19:38, Charles Powell via ARM-allstar <arm-allstar at hamvoip.org> a écrit :
> 
> 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
>>>>>>> 
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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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>>> 
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>>> 
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>> 
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>> 
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> 
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> 
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