Photo taken near [Astlehn/Fischbach](https://www.openstreetmap.org/?mlat=47.062377833333336&mlon=10.959586666666667#map=15/47.062377833333336/10.959586666666667).
Photo taken near [Astlehn/Fischbach](https://www.openstreetmap.org/?mlat=47.062377833333336&mlon=10.959586666666667#map=15/47.062377833333336/10.959586666666667).
lastmod: 2024-09-22T12:53:48+0000
lastmod: 2024-09-28T23:48:06+0000
comment: false
comment: false
showDate: false
showDate: false
@ -17,7 +16,6 @@ showAuthor: false
sharingLinks: false
sharingLinks: false
feed_exclude: true
feed_exclude: true
---
---
## Who Am I
## Who Am I
@ -56,13 +54,13 @@ I usually participate in the following [Winlink](https://winlink.org/) nets:
| 1 | Section 1 of the manual describes **user commands** and tools, for example, file manipulation tools, shells, compilers, web browsers, file and image viewers and editors, and so on |
| 1 | Section 1 of the manual describes **user commands** and tools, for example, file manipulation tools, shells, compilers, web browsers, file and image viewers and editors, and so on |
| 2 | Section 2 of the manual describes the Linux **system calls**. A system call is an entry point into the Linux kernel. Usually, system calls are not invoked directly: instead, most system calls have corresponding C library wrapper functions which perform the steps required (e.g., trapping to kernel mode) in order to invoke the system call. Thus, making a system call looks the same as invoking a normal library function. |
| 2 | Section 2 of the manual describes the Linux **system calls**. A system call is an entry point into the Linux kernel. Usually, system calls are not invoked directly: instead, most system calls have corresponding C library wrapper functions which perform the steps required (e.g., trapping to kernel mode) in order to invoke the system call. Thus, making a system call looks the same as invoking a normal library function. |
| 3 | Section 3 of the manual describes all **library functions** excluding the library functions (system call wrappers) described in Section 2, which implement system calls. |
| 3 | Section 3 of the manual describes all **library functions** excluding the library functions (system call wrappers) described in Section 2, which implement system calls. |
| 4 | Section 4 of the manual describes **special files (devices)**. |
| 4 | Section 4 of the manual describes **special files (devices)**. |
| 5 | Section 5 of the manual describes various **file formats**, as well as the **corresponding C structures**, if any. |
| 5 | Section 5 of the manual describes various **file formats**, as well as the **corresponding C structures**, if any. |
| 6 | Section 6 of the manual describes the **games** and funny little programs available on the system. |
| 6 | Section 6 of the manual describes the **games** and funny little programs available on the system. |
| 7 | Section 7 of the manual provides **overviews on various topics**, and describes conventions and protocols, character set standards, the standard filesystem layout, and miscellaneous other things. |
| 7 | Section 7 of the manual provides **overviews on various topics**, and describes conventions and protocols, character set standards, the standard filesystem layout, and miscellaneous other things. |
## Encoding videos with ffmpeg
## Encoding videos with ffmpeg
This is not an Arch way of encoding videos, but since I do this on my...
This is not an Arch way of encoding videos, but since I do this on my...
You may know other package managers commands, but I only use these.
You may know other package managers commands, but I only use these.
@ -87,7 +86,7 @@ You may know other package managers commands, but I only use these.
The files taken from the snapshot tool on my macbook.
The files taken from the snapshot tool on my macbook.
~~~plain
```plain
33K 00_locales.png
33K 00_locales.png
61K 01_control-software.png
61K 01_control-software.png
157K 02_mmdvmhost.png
157K 02_mmdvmhost.png
@ -96,11 +95,11 @@ The files taken from the snapshot tool on my macbook.
69K 05_exp_mmdvmhost-dmrnetwork.png
69K 05_exp_mmdvmhost-dmrnetwork.png
212K 06_exp_dmrgw-dmrnetwork1.png
212K 06_exp_dmrgw-dmrnetwork1.png
236K 07_exp_dmrgw-dmrnetwork2.png
236K 07_exp_dmrgw-dmrnetwork2.png
~~~
```
Three to four minutes later (all three commands):
Three to four minutes later (all three commands):
~~~plain
```plain
17K 00_locales.png
17K 00_locales.png
33K 01_control-software.png
33K 01_control-software.png
81K 02_mmdvmhost.png
81K 02_mmdvmhost.png
@ -109,14 +108,14 @@ Three to four minutes later (all three commands):
32K 05_exp_mmdvmhost-dmrnetwork.png
32K 05_exp_mmdvmhost-dmrnetwork.png
127K 06_exp_dmrgw-dmrnetwork1.png
127K 06_exp_dmrgw-dmrnetwork1.png
144K 07_exp_dmrgw-dmrnetwork2.png
144K 07_exp_dmrgw-dmrnetwork2.png
~~~
```
### By view
### By view
~~~plain
```plain
25K opti_01.png
25K opti_01.png
13K opti_02.png
13K opti_02.png
~~~
```
 
 
@ -126,7 +125,7 @@ Do you see much difference?
I added this to my fishs configuration (when I used fish for a while).
I added this to my fishs configuration (when I used fish for a while).
~~~fish
```fish
# file: "~/.config/fish/functions/opti.fish"
# file: "~/.config/fish/functions/opti.fish"
function opti --description "Optimizes .png files"
function opti --description "Optimizes .png files"
# Author: Dominic, OE7DRT <dominic@oe7drt.com>
# Author: Dominic, OE7DRT <dominic@oe7drt.com>
@ -163,11 +162,11 @@ function opti --description "Optimizes .png files"
pngcrush -rem gAMA -rem alla -rem cHRM -rem iCCP -rem sRGB -rem time -ow "$argv[$i]";
pngcrush -rem gAMA -rem alla -rem cHRM -rem iCCP -rem sRGB -rem time -ow "$argv[$i]";
end
end
end
end
~~~
```
And I made one for the jpeg version too:
And I made one for the jpeg version too:
~~~fish
```fish
# file: "~/.config/fish/functions/jopti.fish"
# file: "~/.config/fish/functions/jopti.fish"
function jopti --description "Optimizes .jpg files"
function jopti --description "Optimizes .jpg files"
# Author: Dominic, OE7DRT <dominic@oe7drt.com>
# Author: Dominic, OE7DRT <dominic@oe7drt.com>
@ -202,4 +201,4 @@ function jopti --description "Optimizes .jpg files"
{{<figurecaption="`pydf` in combination with the alias from above displays a short and colored output when you list your diskspace with `df`"src="11_df_output.png"alt="an example output of `pf`">}}
{{<figurecaption="`pydf` in combination with the alias from above displays a short and colored output when you list your diskspace with `df`"src="11_df_output.png"alt="an example output of `pf`">}}
It takes time to gather enough information. Get back to this in a few days and
It takes time to gather enough information. Get back to this in a few days and
you will get more useful information. Because we save the databases in the
you will get more useful information. Because we save the databases in the
@ -214,9 +213,9 @@ PiStar does not mount the volumes read-only!**
Once you finished your setup, make the filesystem read-only again.
Once you finished your setup, make the filesystem read-only again.
~~~console
```console
$ rpi-ro
$ rpi-ro
~~~
```
## Start setting up your Pi-Star MMDVM
## Start setting up your Pi-Star MMDVM
@ -231,16 +230,16 @@ the **Apply Changes** button. So when hitting the button wait a few seconds
This setup uses some talk groups from IPSC2/DMR+ and the rest from Brandmeister.
This setup uses some talk groups from IPSC2/DMR+ and the rest from Brandmeister.
Specifically these talkgroups are:
Specifically these talkgroups are:
* Timeslot 1
- Timeslot 1
* TG 1 - TG 7
- TG 1 - TG 7
* TG 10 - TG 89
- TG 10 - TG 89
* TG 100 - TG 199
- TG 100 - TG 199
* Timeslot 2
- Timeslot 2
* DMR+ reflectors with TG 9
- DMR+ reflectors with TG 9
* TG 232
- TG 232
* TG 8181 - TG 8189
- TG 8181 - TG 8189
* TG 8191 - TG 8199
- TG 8191 - TG 8199
* GPS data sent as private calls to 9057
- GPS data sent as private calls to 9057
All other talkgroups are routed to the Brandmeister network. Private calls are
All other talkgroups are routed to the Brandmeister network. Private calls are
also routed to Brandmeister.
also routed to Brandmeister.
@ -251,7 +250,6 @@ This is where we actually start. At the first start either connect your
Raspberry Pi to an ethernet port or look out for a WiFi network called
Raspberry Pi to an ethernet port or look out for a WiFi network called
Pi-Star Setup.
Pi-Star Setup.
{{<figuresrc="01_control-software.png"alt="Control Software configuration"caption="Make sure to use Duplex Repeater in order to use different RX and TX frequencies.">}}
{{<figuresrc="01_control-software.png"alt="Control Software configuration"caption="Make sure to use Duplex Repeater in order to use different RX and TX frequencies.">}}
### MMDVMHost
### MMDVMHost
@ -286,9 +284,9 @@ for Hotspot Security. That makes sure, that only you can add a Hotspot with your
callsign. Also select the IPSC2 server of your choice and set the wanted
callsign. Also select the IPSC2 server of your choice and set the wanted
