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Questions tagged [raspbian]

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

139 questions
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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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Debugging network issue

I've had this issue ever since I got this new router and flashed it with dd-wrt. It's not really impactful (I'll describe the scenario) but I'm curious about it... This is the diagram of the network setup: Manjaro Linux running on VMware Fusion (in…
Filipe Pina
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Apache2.4 Raspbian cannot acces VirtualHosts with ServerName, only port number

It isn't critical that I get this working with a named host locally, as the main thing I needed was external network access (which I have already set up with port forwarding), but I'd still like to know why I can't access a VirtualHost with my…
HubbleCommander
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how to proritize UDP port in tc

I have this TC code sudo tc qdisc add dev eth0 root handle 1: prio sudo tc filter add dev eth0 protocol ip parent 1: prio 1 u32 match ip dport xxxx 0xffff flowid 1:1 where XXXX is the port number. I know that this is for TCP. how can I achieve this…
striker69
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User always creating files with 640 permissions

Short introduction: I'm fairly new to Unix-Systems and got a Raspberry 3b+ using it as a Web-Server. Obviously I'm using a different computer for development and transfer the files via sftp. Always running into permission-problems after file…
beginner
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fail2ban on Raspbian does not create iptables jails

I installed fail2ban 0.10.2-2.1 on Raspbian Buster to protect ssh (and if that works, apache). The default installation only enables de sshd jail, but in my case that does not seem to work. The fail2ban-client reports that the jail is running: $…
Rolf
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Do private hostnames correlate with or have any direct effect on public hostnames on a running webserver?

I am running a LEMP webserver on my Raspberry pi using Rasbpian. The name of my my pi's hostname is raspi-host123. My local hosts file on my server looks like this: 127.0.0.1 localhost loopback ::1 localhost ip6-localhost…
DanRan
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