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NL2ZTM > BPQ32 19.10.15 05:19l 270 Lines 9663 Bytes #999 (0) @ WW
BID : 1575_NL3ZTM
Read: GAST
Subj: Fwd: Re: [BPQ32] Installing TNC-PI and pilinbpq on JESSIE
Path: DBO595<DBO763<DBX214<CB0ESN<FRB001<NL3WAM<NL3ZZE<NL3ZTM
Sent: 151018/0925Z 1575@NL3ZTM.NL3ZTM.ZH.NLD.EU BPQ1.4.64
-------- Doorgestuurd bericht --------
Onderwerp: Re: [BPQ32] Installing TNC-PI and pilinbpq on JESSIE
Datum: Wed, 14 Oct 2015 12:43:55 -0400
Van: Tadd Torborg tadd@mac.com [BPQ32] <BPQ32@yahoogroups.com>
Antwoord-naar: BPQ32@yahoogroups.com
Aan: bpq group <BPQ32@yahoogroups.com>
I found a way to make the background execution work. Here is a trivial
demo to show automatic restart and start after boot.
Information came from
https://wiki.archlinux.org/index.php/Systemd
and RaTTus on the raspberrypi.org <http://raspberrypi.org> forums
I created a file */etc/systemd/system/tadd.service*
-rw-r--r-- 1 root root 158 Oct 14 16:18 tadd.service
The contents of the file are:
[Unit]
Description=Tadd script test
[Service]
ExecStart=/usr/local/etc/background_test.sh
Restart=always
RestartSec=2
[Install]
WantedBy=multi-user.target
Now the program pointed to by ExecStart= will be run at boot time, and
2 seconds after that program quits it will be started again.
Once this file is created you need to do these commands
*sudo systemctl daemon-reload*
*sudo systemctl enable tadd.service*
*sudo systemctl start tadd.service*
The script file I executed is
-rwxr-xr-x 1 root staff 54 Oct 14 16:19 background_test.sh
#!//bin/sh
uptime >> /usr/local/etc/test.log
**
**
**
*
*
After starting the service I used sudo reboot to reboot the Raspberry
PI. Here is the log file:
pi@raspberrypi ~ $ cd /usr/local/etc
pi@raspberrypi/usr/local/etc $cat test.log
16:32:01 up 11 min, 3 users, load average: 0.01, 0.06, 0.05
16:32:03 up 11 min, 3 users, load average: 0.01, 0.06, 0.05
16:32:05 up 11 min, 3 users, load average: 0.01, 0.06, 0.05
16:32:07 up 11 min, 3 users, load average: 0.01, 0.06, 0.05
16:32:10 up 11 min, 3 users, load average: 0.01, 0.06, 0.05
16:32:12 up 11 min, 3 users, load average: 0.01, 0.06, 0.05
16:32:14 up 11 min, 3 users, load average: 0.01, 0.06, 0.05
16:32:16 up 11 min, 3 users, load average: 0.01, 0.06, 0.05
16:32:22 up 0 min, 0 users, load average: 0.24, 0.05, 0.02
16:32:25 up 0 min, 0 users, load average: 0.24, 0.05, 0.02
16:32:27 up 0 min, 1 user, load average: 0.30, 0.07, 0.02
16:32:29 up 0 min, 2 users, load average: 0.30, 0.07, 0.02
16:32:32 up 0 min, 2 users, load average: 0.44, 0.10, 0.03
16:32:34 up 0 min, 2 users, load average: 0.44, 0.10, 0.03
16:32:36 up 0 min, 3 users, load average: 0.48, 0.11, 0.04
16:32:38 up 0 min, 3 users, load average: 0.48, 0.11, 0.04
16:32:58 up 0 min, 3 users, load average: 0.48, 0.11, 0.04
16:33:00 up 0 min, 3 users, load average: 0.52, 0.13, 0.04
pi@raspberrypi/usr/local/etc $
Sometime later today I hope Ill try to continue the install of the
packet node software and support and see how far we get. I have to
change the way my scripts work to use the status request mechanism in
*systemctl* instead of *grep*ping in*/etc/inittab* like I used to, in
order to know if the node software is set to automatically run. Also
the commands to start and stop the background operation need changing
etc etc etc. or is it usr usr usr? I dont know! The world keeps
changing!!! haha.
Anybody know how to start FDSK on all of the SD media? It used to be
*shutdown -rF * but that doesnt work in JESSIE
*Tadd / KA2DEW*
*tadd@mac.com <mailto:tadd@mac.com>*
*Raleigh NC FM05pv*
*
*
*Packet networking over ham radio":
http://tarpn.net/t/packet_radio_networking.html*
*
*
> On Oct 14, 2015, at 11:44 AM, Tadd Torborg tadd@mac.com
> <mailto:tadd@mac.com> [BPQ32] <BPQ32@yahoogroups.com
> <mailto:BPQ32@yahoogroups.com>> wrote:
>
> John,
>
> Thanks for the reply. Im trying to figure this stuff out. I
> couldnt get my install scripts to get far enough to start linbpq so I
> tried it with a script. Was this doomed to fail? Looking at your email.
>
>> In directory /etc/init rename tty2.conf to tty2.save
>>
> I couldnt find a*tty2.conf*and nothing that looked like that
> in*/etc/init*
>
> I did verify that console messages to serial can be turned off in
> raspi-config.
>
> Is there anything you have to do to get the system to register the new
> bpq.conf? I created a script file in /usr/local/etc, made it +x and
> created by root. I just told it to do
> uptime >> /usr/local/etc/test.log and then sleep for 20. It
> didnt seem to start. I tried rebooting to see if that would do it.
> Nothing. Originally I tried to make the script run aplay but then
> I decided that was too complicated so I went to echoing uptimeφ
> output. That didnt work either.
>
> Just to make sure my new conf has the right permissions, I compared it
> to ssh.conf
>
> pi@raspberrypi/etc/init $ls ssh.conf -lrat
> -rw-r--r-- 1 root root 641 Mar 22 2015 ssh.conf
> ppi@raspberrypi /etc/init $ ls tadd* -lrat
> -rw-r--r-- 1 root root 103 Oct 14 14:34 tadd.conf
> i@raspberrypi/etc/init $cat tadd.conf
> #
> start on runlevel [2345]
> stop on runlevel [12345]
> respawn
> exec "/usr/local/etc/background_test.sh"
>
>
> pi@raspberrypi/etc/init $cd /usr/local/etc
> pi@raspberrypi/usr/local/etc $ls -lrat
> total 24
> drwxrwsr-x 10 root staff 4096 Jan 1 1970..
> -rw-r--r-- 1 root staff 8620 Oct 13 20:35spam.wav
> -rwxr-xr-x 1 root staff 43 Oct 14 14:44background_test.sh
> drwxrwsr-x 2 root staff 4096 Oct 14 14:44.
> pi@raspberrypi/usr/local/etc $cat background_test.sh
> uptime >> /usr/local/etc/test.log
> sleep 20
> pi@raspberrypi/usr/local/etc $
>
>
> Ill search the googles and see if I can find anything.
>
> found a few things
> https://blog.sleeplessbeastie.eu/2015/04/27/how-to-manage-system-services-on-debian-jessie/
>
> This showed places to start stop and list services but the list does
> not match what is in /etc/init, and my conf wasnt in the list.
>
> There is something called*upstart*that uses the files in /etc/init
> I looked up upstart
> http://www.linux.com/learn/tutorials/404619-manage-system-startup-and-boot-processes-on-linux-with-upstart
>
> That said to use initctl to get a list of startup processes. initctl
> doesnt seem to exist as a command in the Raspbian 8 JESSIE distribution.
>
> https://wiki.archlinux.org/index.php/Systemd
>
> While interesting, this document doesnt seem to exactly match the
> Raspberry PI Raspbian 8 JESSIE distribution.
> # systemctl edit/unit/
> got an error message Unknown operation edit. However.. this is
> closer. At least the document described things which DID match JESSIE.
>
>
The searching will go on,, however I have to make some money and
> get back to this later.
>
> Tadd
>
>
> *Tadd / KA2DEW*
> *tadd@mac.com <mailto:tadd@mac.com>*
> *Raleigh NC FM05pv*
> *
> *
> *Packet networking over ham radio":
> http://tarpn.net/t/packet_radio_networking.html*
> *
> *
>
>
>> On Oct 13, 2015, at 6:29 PM, 'John Wiseman'john.wiseman@cantab.net
>> <mailto:john.wiseman@cantab.net>[BPQ32] <BPQ32@yahoogroups.com
>> <mailto:BPQ32@yahoogroups.com>> wrote:
>>
>>
>> Tadd,
>> raspi-config now has an option to disable the getty on the serial
>> port, but I don't know if it is there in Jessie.
>> With the new Kernels i2c is also enabled with reaspi-config.
>> This works to start linbpq for some systems that don't use /etc/inittab
>>
>> Create a filebpq.confin directory/etc/init
>>
>>
>> /etc/init/bpq.conf
>>
>>
>> #
>> start on runlevel [2345]
>> stop on runlevel [!2345]
>> respawn
>> exec "/home/pi/linbpq/runbpq" >/dev/tty2
>>
>> In directory /etc/init renametty2.conf to tty2.save
>>
>> 73, John
>
>
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Posted by: Tadd Torborg <tadd@mac.com>
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