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Questions tagged [raspbian]

Raspbian is a free operating system based on Debian optimized for the Raspberry Pi hardware.

145 questions
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'pip3 freeze' and 'sudo pip3 freeze' are different

On my system (Raspbian Buster, raspberry pi CM4), packages installed with 'pip3 install ' are not available when I run 'sudo python3': $ pip3 freeze |grep numpy numpy==1.21.5 $ sudo python3 Python 3.7.3 (default, Jan 22 2021, 20:04:44) [GCC 8.3.0]…
Almog-at-Nailo
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Internal DNS without Wireguard "proxy"

Problem: Wireguard obfuscates DNS request, so all DNS lookups from devices connected via VPN are seen as coming from Wireguard server. This prevents me from setting up per-device DNS white/black lists. Entering IP of internal DNS server as DNS in…
PTwr
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Kubeadm init fails, kubelet fails to start

I'm trying to set up a Kubernetes cluster on a set of raspberry pi 4s, I'm running into a issue with kubelet failing when running the kubeadm init command I0205 12:29:52.930582 5348 local.go:65] [etcd] wrote Static Pod manifest for a local etcd…
Drfrink
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Cannot transfer data from one specific system (MTU issue?)

Summary The default MTU value prevents data transfer for one system. Reducing it manually enables the data transfer once more, but this manual adjustment is unnecessary on an adjacent system. Background I have a Backups Server. I have two Raspberry…
roaima
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iptables: why are outgoing connections working even though no rules allow it

The INPUT and OUTPUT chain policies are set to DROP. Very few rules allowing only specific traffic between directly cable-connected devices. However, if I temporarily add a cable that goes to the router, why can I initiate outgoing connections and…
DiDiev
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Can't start isc-dhcp-server due to error " AgentInitCheck: agent comms failure"

I have a Raspberry Pi 4 - Model B, and I'm trying to create an adapter from Wi-Fi to Ethernet using the Pi. I'm currently using this gist as a guide for how to create it, but I keep running into an error when I start the DHCP server. When I run…
frissyn
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How to identify server providing wireless SSID name

First, a lot of background so that you'll hopefully understand the reason for the question. We had a catastrophic failure in our network - a surge that took out a couple of systems' network interfaces, and we're trying to rebuild the configuration. …
Dennis
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ntpd synchronization not working

I'm running latest Raspbian Lite on Raspberry Pi 3 B. Just reinstalled ntpd completely and it doesn't synchronize time with upstream NTP servers at all. ntpdate -u 0.debian.pool.ntp.org works just fine. Using tcpdump (for eth0 interface) I can see…
sq8l
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Exclude remote syslog client logs from /var/log/syslog on host machine

Background: I have a lil Raspberry Pi server running the latest Raspbian OS running a number of network appliances to help manage a complex IOT LAN for a client. I have been using rsyslog to write logs from the network hardware and servers to an…
kennnnnnnnneth
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"fatal: unknown service: smtp/tcp" from postfix in docker using `start-fg`

I'm trying to get postfix working in a docker container on a raspberry pi. The following works ENTRYPOINT service rsyslog restart && service postfix restart && sleep 2s && tail /var/log/syslog -f But if I instead use the following, which is meant…
Simon
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OpenVPN routing from server to client

I have two distant places each with a public IP and I want to make the LAN network of these places as if they were one. That is, the machines in place A can communicate with the machines in place B and those in place B with those in place A. In…
Dariko77
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Systemd python script won't log (buffer cause)?

Although the problem exposed here seems very similar, none of the solutions provided work. Context : Raspberry Pi Zero W, Raspbian Lite (2020-08-20) I want to register a python3 script as a service, to run in background I wanted to make it go with…
nbonniot
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Device -> device traffic being blocked inside of network

I am running into a weird issue, which I have been trying to understand and fix for a few hours. I have three main machines, which are setup this way: M1: Raspberry pi 3 (raspbian lite), running caddy as a reverse proxy/static web server. Caddy…
ruben1691
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Delay execution of crontab until @reboot was executed

Every time I start my raspberry pi, I want to update and upgrade it. No other cronjob should be run before this is finished. My crontab looks like this now @reboot sudo apt-get update && sudo apt-get upgrade -y */9 * * * * (python script1.py) & */4…
Zurechtweiser
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MariaDB 10.3.22 for RPI started with innodb_force_recovery = 5: mysqldump fails, claims "[mysqld]" is not in configuration but it's actually present

I am running MariaDB 10.3.22 on a Raspberry Pi 3 with Raspbian Buster, using the InnoDB engine. Due to a power outage on my RPI, a table on my innodb_system tablespace corrupted. I eventually managed to get MySQL running by force of inserting…
RAKK
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