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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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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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OpenVPN Tunnel Through Tunnel

I have a Raspberry Pi and two VPN server hosted. In raspberry pi I installed OpenVPN. I did connect Pi with my 1st VPN server. My question is I like to connect 2nd server thought 1st server. Like to mention that 1st server provides DHCP as like…
Aman Juman
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Completely rename an unix user

Recently I had a hack try on my server and someone from this forum gave me some solutions to protect my server from hack. A trick is to not use defaults users, for example pi for the raspberry. The problem is when I started to configure my server I…
M. Ozn
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Why is using Apache only using port 80 when other ports are configured?

I have Apache running on a debian server. On the initial install and setup, it was running fine on port 80, I successfully installed an instance of Wordpress and everything was fine. I want to reduce hammering from portscanning so I am not using…
Ken Ingram
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How does raspbian choose amongst IP addresses?

I'm running a Raspbian client connecting via HTTP to a Raspbian server. Apache on server is setup to not require authentication for local IPs- both ip4 and ip6. Both client and server are attached to single FritzBox router. Client has multiple IPs…
andig
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Access MAC addresses (IP to MAC - ARP) between two subnets. Seperated via router

I've come across an issue, and after spending days investigating I've realised I need some advice. My networking skill level is still quite low. I've got two routers, with two LANs. I've connected one of the routers to the other via a LAN <-> WAN…
Josh
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Cron script on reboot not working unless I sleep for a few seconds

First of all I'm not sure whether I should post it here or under the Ubuntu-specific forum but I thought this is probably a more generic question. I have a Raspberry Pi 3 with Raspbian Jessie, I wrote a script to send a push to my Pushbullet account…
maetthew
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How to determine if NTP has updated the time

I am on a Raspberry Pi and have a service that wants to know how inaccurate (ie - number of seconds) the system time is if the system time is off by at least one minute. When Raspberry Pi starts up, NTP has already updated the time before my service…
icu222much
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Dropbear has stopped accepting my SSH key

I have two Raspberry Pis, both running Raspbian Buster, both set up with full disk encryption, with dropbear (version 2018.76-5) to support remote unlocking of the disk encryption. This has been working fine for years. However, recently dropbear has…
Mark Raymond
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dd the entire SD card to one partition on HDD

This particular question is related to Raspberry Pi, but in fact, this is a general question. So, I have an SD card with RPI system running on it consisting of two partitions: Disk /dev/mmcblk0: 59.5 GiB, 63864569856 bytes, 124735488 sectors Units:…
ihorc
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