OpenHAB
/
openhab-docs
mirror of https://github.com/openhab/openhab-docs.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Remove EXTRA_JAVA_OPTS for serial devices (#1295) 

This is no longer required and has been removed from openHABian some time ago already.

On a sidenote, we need a tutorial for migrations to OH3. At least a major overhaul of this page with an OH3 section / diffs.

Signed-off-by: Markus Storm <markus.storm@gmx.net>
pull/1301/head
Markus Storm 2020-11-28 23:12:14 +01:00 committed by GitHub
parent 5219bc087f
commit e63c00c987
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 3 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
installation/linux.md
View File

@ -645,7 +645,7 @@ With openHAB 2 you can also [use the openHAB console]({{base}}/administration/lo
## Recommended Additional Setup Steps ## Recommended Additional Setup Steps
The following is not directly related to the openHAB installation but rather recommended on a openHAB system. The following is not directly related to the openHAB installation but rather recommended on an openHAB system.
The need for these and the exact implementation on a specific system might differ from user to user. The need for these and the exact implementation on a specific system might differ from user to user.
### Privileges for Common Peripherals ### Privileges for Common Peripherals
@ -667,21 +667,11 @@ If you are looking to enable sound privileges for openHAB, it will also be neces
sudo adduser openhab audio sudo adduser openhab audio
``` ```
Additionally it's needed to allow the java environment to access the serial port of the connected peripheral.
Therefore the following setting has to be added/adapted on your system in file `/etc/default/openhab2`:
```shell
EXTRA_JAVA_OPTS="-Dgnu.io.rxtx.SerialPorts=/dev/ttyUSB0:/dev/ttyS0:/dev/ttyS2:/dev/ttyACM0:/dev/ttyAMA0"
```
The shown device handlers are just the most common examples.
Please contact the community forum for more detailed information regarding individual hardware.
### Java Network Permissions ### Java Network Permissions
The Java Virtual Machine hosting openHAB is restricted in its permissions to interact on network level for security reasons. The Java Virtual Machine hosting openHAB is restricted in its permissions to interact on network level for security reasons.
Some openHAB add-ons, like the Network or AmazonDash bindings, need elevated permissions to work. Some openHAB add-ons like the network binding need elevated permissions to work.
If needed, grand these permissions by executing the following command: If needed, grant these permissions by executing the following command:
```shell ```shell
setcap 'cap_net_raw,cap_net_admin=+eip cap_net_bind_service=+ep' $(realpath /usr/bin/java) setcap 'cap_net_raw,cap_net_admin=+eip cap_net_bind_service=+ep' $(realpath /usr/bin/java)