New answers tagged raspbian-jessie
2
You don't need to configure the static IP address for wlan0. By default, the Android Hotspot Tools has a DHCP server that answers the DHCP IP request of Raspberry Pi wlan0 and then it gives an IP randomly.
If you are concerned about how to connect to raspberry pi without knowing the IP address, the answer is the hostname.
Install NetX Network Tools on ...
0
I don't know Android but making a phone a hotspot does not magically turn it into a router.
Hotspots are to give you internet access.
Use a router or attempt to find a router app.
Setting a Static IP address for a hotspot seems strange. Hotspots should provide DHCP
1
systemd has its own logging system within its journal. But for downstream compatibility the classic logging with files in /var/log/ isn't disabled. So you have two different logging systems running. But it is known that the systemd journal occupies a lot of storage so the journal is only created in the non persistent directory /run/ that is located in the ...
1
I cannot access these via sudo journalctl. What is wrong here?
Those aren't really journald files, they are (mostly) syslog files, which is a separate entity. They are compatible with one another1 and currently Raspbian enables them both by default, syslog presumably for "legacy" backward compatibility while the journald adoption incubates. The syslog ...
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I was running a Python program that used the camera and closed the program that I had created but left Python open. When testing a C++ program with the camera I was getting this error even though I had the Python program that I created closed.
After I closed Python itself then my camera was able to work in C++
2
You may not run the latest version of Raspbian which is "Buster". I just tested and installed it without any problem.
However, try to install it manually if it doesn't work anyway:
wget http://ftp.us.debian.org/debian/pool/main/libs/libserial/libserial-dev_0.6.0~rc2+svn122-4+b11_armhf.deb
Then:
dpkg -i libserial-dev_0.6.0~rc2+svn122-4+b11_armhf.deb
...
2
It's really time to use Raspbian Buster now. Jessie is deprecated and since beginning of this year it has finished support from Debian. On my Raspbian Buster repository I find:
rpi ~$ apt list libserial*
libserial-dev/stable 0.6.0~rc2+svn122-4 armhf
libserial-doc/stable 0.6.0~rc2+svn122-4 all
libserial0/stable 0.6.0~rc2+svn122-4 armhf
libserializer-java/...
0
The network configuration is configured in /etc/dhcpcd.conf. Just add a line at the end of this file:
static routers=192.168.0.1
This is only an example. Of course you have to use the ip address of your gateway. This will permanently save the gateway address.
But this is only a workaround. Usually the gateway/router address is gotten from the DHCP server ...
2
You have to install the SSL headers and libraries before compiling Python.
Either install them using sudo apt install libssl-dev, or (cross) compile them from source.
When running the Python configure script, check the output before compiling. It'll tell you what packages are missing.
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