[arm-allstar] tmpfs percentage

Luc Drolet VE2LUQ ldrolet at cgocable.ca
Wed Oct 17 17:04:40 EDT 2018


Hello Charles,

actually you're right it's more visual

Thank you for your advice
I can see the difference


[root at NODE1420 ~]# df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/root       3.6G  1.6G  1.9G  46% /
devtmpfs        464M     0  464M   0% /dev
tmpfs           468M     0  468M   0% /dev/shm
tmpfs           468M   13M  456M   3% /run
tmpfs           468M     0  468M   0% /sys/fs/cgroup
tmpfs           468M   44K  468M   1% /tmp
tmpfs            50M   32K   50M   1% /var/log
/dev/mmcblk0p1  100M   20M   81M  20% /boot
tmpfs            94M     0   94M   0% /run/user/0
/dev/sda1        15G  325M   15G   3% /media/NODE1420

[root at NODE1420 ~]# df
Filesystem     1K-blocks    Used Available Use% Mounted on
/dev/root        3762048 1610088   1941140  46% /
devtmpfs          474584       0    474584   0% /dev
tmpfs             479192       0    479192   0% /dev/shm
tmpfs             479192   12396    466796   3% /run
tmpfs             479192       0    479192   0% /sys/fs/cgroup
tmpfs             479192      44    479148   1% /tmp
tmpfs              51200      32     51168   1% /var/log
/dev/mmcblk0p1    102182   19614     82568  20% /boot
tmpfs              95840       0     95840   0% /run/user/0
/dev/sda1       15649664  332352  15317312   3% /media/NODE1420
[root at NODE1420 ~]#

Thank you all,

73’s
Luc
VE2LUQ



> Le 17 oct. 2018 à 12:50, Charles Powell via ARM-allstar <arm-allstar at hamvoip.org> a écrit :
> 
> Just a note about the command ‘df’.  If you use 'df -h' it gives a “human readable” result.
> 
> 73,
> 
> Charles - NK8O
> 
>> On Oct 17, 2018, at 11:32 AM, Luc Drolet VE2LUQ via ARM-allstar <arm-allstar at hamvoip.org> wrote:
>> 
>> Hello Doug,
>> 
>> WOW, a big thank you
>> yes everything works fine now
>> I can see the USB key with its usage percentage
>> 
>> I missed the 
>> pgrep devmon function&>/dev/null||/usr/bin/devmon&>/dev/null&
>> 
>> 
>> [root at NODE1420 ~]# pgrep devmon function&>/dev/null||/usr/bin/devmon&>/dev/null&
>> [1] 15804
>> [root at NODE1420 ~]# df
>> Filesystem     1K-blocks    Used Available Use% Mounted on
>> /dev/root        3762048 1610088   1941140  46% /
>> devtmpfs          474584       0    474584   0% /dev
>> tmpfs             479192       0    479192   0% /dev/shm
>> tmpfs             479192   12368    466824   3% /run
>> tmpfs             479192       0    479192   0% /sys/fs/cgroup
>> tmpfs             479192      44    479148   1% /tmp
>> tmpfs              51200      28     51172   1% /var/log
>> /dev/mmcblk0p1    102182   19614     82568  20% /boot
>> tmpfs              95840       0     95840   0% /run/user/0
>> /dev/sda1       15649664  331584  15318080   3% /media/NODE1420
>> [root at NODE1420 ~]# 
>> 
>> 
>> Now I can see my USB key
>> 
>> A big thank you for your help
>> 
>> Thank you
>> 
>> 73’s
>> Luc
>> VE2LUQ
>> 
>> 
>> 
>>> Le 17 oct. 2018 à 01:16, Doug Crompton via ARM-allstar <arm-allstar at hamvoip.org> a écrit :
>>> 
>>> Luc,
>>> 
>>> I have no idea what is going on. Your df does not show it. Is it actually
>>> mounted? If so how are you mounting it? I do not specifically put anything
>>> in /etc/fstab  instead I use devmon to auto mount at boot which works
>>> fine.  A line like this would check if devmon is running and if not start
>>> it in the background.
>>> 
>>> # check if devmon is running, if not running,  start it
>>> pgrep devmon &> /dev/null || /usr/bin/devmon &> /dev/null &
>>> 
>>> You could add this in  /etc/rc.local at the top.  As long as devmon is
>>> running any removable media will be auto mounted in /media
>>> 
>>> BUT A better way is to load it as a systemd service. First see if it is
>>> already loaded -
>>> 
>>> # systemctl status devmon at service
>>> * devmon at service.service - devmon Service
>>> Loaded: loaded (/usr/lib/systemd/system/devmon at .service; enabled; vendor
>>> preset: disabled)
>>> 
>>> If it is not loaded do -
>>> 
>>> systemctl enable devmon at service
>>> systemctl start devmon at service
>>> 
>>> Then when you do  systemctl status devon at service  it should show loaded.
>>> 
>>> Don't add anything in fstab. The system should detect and mount any
>>> removable media under /media at boot or whenever you insert it.
>>> 
>>> To make it come up with a specific name you need to use something like
>>> Gparted on a Linux desktop on the stick to give it a name label.  I
>>> labelled mine MS1 for mass storage 1.  So it gets mounted as  /media/MS1
>>> 
>>> 
>>> *73 Doug*
>>> 
>>> *WA3DSP*
>>> 
>>> *http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*
>>> 
>>> 
>>> 
>>> On Tue, Oct 16, 2018 at 6:02 PM Luc Drolet VE2LUQ <ldrolet at cgocable.ca>
>>> wrote:
>>> 
>>>> Hello Doug,
>>>> 
>>>> Here is what I have for 2 repeaters
>>>> 
>>>> 
>>>> [root at NODE1420 ~]# df
>>>> Filesystem     1K-blocks    Used Available Use% Mounted on
>>>> /dev/root        3762048 1602660   1948568  46% /
>>>> devtmpfs          474584       0    474584   0% /dev
>>>> tmpfs             479192       0    479192   0% /dev/shm
>>>> tmpfs             479192   36392    442800   8% /run
>>>> tmpfs             479192       0    479192   0% /sys/fs/cgroup
>>>> tmpfs             479192      44    479148   1% /tmp
>>>> tmpfs              51200     548     50652   2% /var/log
>>>> /dev/mmcblk0p1    102182   19614     82568  20% /boot
>>>> tmpfs              95840       0     95840   0% /run/user/0
>>>> [root at NODE1420 ~]#
>>>> 
>>>> 
>>>> and in my RPT.conf file I put it well
>>>> archivedir = /media/NODE1420
>>>> 
>>>> and my USB key is well named NODE1420, and formatted in exFAT
>>>> 
>>>> are there any special functions to do to have the "df » function
>>>> /dev/sda1       59374732 1616632  54718920   3% /media/NODE1420
>>>> 
>>>> Thank you for your answers
>>>> 
>>>> 73’s
>>>> 
>>>> Luc
>>>> VE2LUQ
>>>> 
>>>> 
>>>>> Le 15 oct. 2018 à 22:17, Doug Crompton via ARM-allstar <
>>>> arm-allstar at hamvoip.org> a écrit :
>>>>> 
>>>>> Luc,
>>>>> 
>>>>> df will always show what is mounted. If you are not seeing it it probably
>>>>> is not mounted. Here is one of my servers df's with a USB stick -
>>>>> 
>>>>> Filesystem     1K-blocks    Used Available Use% Mounted on
>>>>> /dev/root        3762048 1708732   1842496  49% /
>>>>> devtmpfs          474584       0    474584   0% /dev
>>>>> tmpfs             479192       0    479192   0% /dev/shm
>>>>> tmpfs             479192   48268    430924  11% /run
>>>>> tmpfs             479192       0    479192   0% /sys/fs/cgroup
>>>>> tmpfs             479192    1308    477884   1% /tmp
>>>>> tmpfs              51200    3472     47728   7% /var/log
>>>>> /dev/mmcblk0p1    102182   19612     82570  20% /boot
>>>>> /dev/sda1       59374732 1616632  54718920   3% /media/MS1
>>>>> tmpfs              95840       0     95840   0% /run/user/0
>>>>> 
>>>>> The USB stick is mounted to /dev/sda1 as /media/ms1
>>>>> A USB stick is not a tmpfs. That would be ramdisk on the CPU. Maybe you
>>>> are
>>>>> confusing the two?
>>>>> 
>>>>> 
>>>>> *73 Doug*
>>>>> 
>>>>> *WA3DSP*
>>>>> 
>>>>> *http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*
>>>>> 
>>>>> 
>>>>> 
>>>>> On Mon, Oct 15, 2018 at 10:08 PM "Luc Drolet VE2LUQ via ARM-allstar" <
>>>>> arm-allstar at hamvoip.org> wrote:
>>>>> 
>>>>>> Hello everyone,
>>>>>> 
>>>>>> I have a little problem
>>>>>> with 2 repeaters I can not see my USB key in "tmpfs" before I could see
>>>>>> the percentage of use of these USB key
>>>>>> and the other repeaters that I use, I can see my USB keys with the
>>>>>> percentage of use of this USB key
>>>>>> 
>>>>>> my usb keys are formatted in exFAT
>>>>>> 
>>>>>> is there a way to see this information
>>>>>> I type "df" in "start bash shell interface"
>>>>>> 
>>>>>> Thank you
>>>>>> 
>>>>>> 73’
>>>>>> Luc
>>>>>> VE2LUQ
>>>>>> _______________________________________________
>>>>>> 
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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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