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Questions tagged [debian]

Debian is a popular and influential GNU/Linux distribution. Questions here should generally be about Debian Server.

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debian + lvm + luks broken

OS - debian 9-like, PC, not a VM. So, the first start was ok but with no GUI. I decided to install video driver for Nvidia card, did it from tty1 but caught a problem after reboot. It was booted only ...
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xhprof-html won't show Run Report (No XHProf runs specified in the URL) [closed]

How do I show the Run Report for a given xhprof run using xhprof-html? I installed tideways-xhprof. apt-get install php-dev git clone "https://github.com/tideways/php-xhprof-extension.git" ...
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Accessing host OS from live CD

I ran a service on my host (lightdm) that runs a gui on my debian server, but when I enter my password it bricks on authentication. Is there a way to either A) enter command line before gui startup/...
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1 answer
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Docker: error could not translate host name to address: Name or service not known in psql

We have the following Dockerfile: FROM debian:stable-slim ARG DEBIAN_FRONTEND=noninteractive RUN apt-get update && apt-get full-upgrade -y && apt-get install -y --no-install-...
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How can I find out where a port number for a React website is saved?

I have a Debian machine, I can see that a React website is running on port 4173 but can't find out where it is so that I can change the port. I assume it is in some config file somewhere. it's not in ...
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New install of Debian 11.3.0 freezes after cryptsetup: set up successfully

I installed Debian 11.3.0, upon first boot, it appears to crash right after entering the LUKS password. No oops or kernel panic or other errors or warnings. The freeze occurs immediately after this: ...
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command not in docroot

I'm setting up a server but when I'm trying to config suexec it's returning this error [2022-05-21 17:10:53]: uid: (1004/scripts) gid: (1008/scripts) cmd: register.cgi [2022-05-21 17:10:53]: command ...
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-2 votes
1 answer
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How to configure a domain name with a virtual host in Webmin?

I'm setting up my raspberry pi for shared hosting. My aim is to host more websites by purchasing domain names through providers such as ovh.com or register.com I am using webmin to create the web ...
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1 answer
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How to unlock multiple luks-devices using dropbear-initramfs

My system setup is as following: One single SSD with LUKS and LVM (and of course an unencrypted boot partition). The debian system is installed there. Two HDDs assembled as RAID0 with LUKS and LVM ...
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Can't access to a Windows Samba share from debian - NT_STATUS_ACCESS_DENIED listing \*

On my Windows 10 machine I have several samba share folders with a user assigned to my debian machine. On my debian machine, as I had already made cifs mount to a share folder (www) of the same ...
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Exim Smarthost setup works in starttls but not in smtps

I have setup my exim4 as a local mta with smarthost delivery (debian 10 vm) following this guide: Exim on DebianWiki If my smarthost is expecting a ssl connection (smtp over ssl) it does not work. ...
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1 answer
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Buster => Bullseye Upgrade: Don't install unwanted packages

I am in the process of upgrading to Debian Bullseye. When doing apt full-upgrade I see that apache2 is going to be installed. I do not want apache on my system, I have nginx already running. How can I ...
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1 answer
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Debian: how to install a package without a specific dependency (git without Perl)

I am trying to install an apt package without one of its dependencies (specifically, git without Perl to reduce Docker image size by >50MB). I can think of two options: installing the package ...
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OmekaS (php cms) can't copy to a folder, but empty files are created

I am trying to fix a thumbnailer problem on my omekaS (a php cms, that uses laminas framework), I realized that new thumbnails weren’t being generated on my system, and that even forcing them to be ...
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GNU Linux Debian 11 (should work for Ubuntu too) - compiling latest kernel (Linux/x86 5.17.7) - results in Volume group "name-vg" not found

Dear internet & users & robots & AIs & other entities with access to digital, one fine day... decided to compile the latest currently available kernel under Debian 11. last time did ...
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2 votes
1 answer
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New LVM VDO logical volume inactive at startup, even with "--activate y" parameter

I'm trying to make LVM VDO work on my Debian 11.3 (test VM installed from scratch). I've shared my installation procedure here if someone wants to reproduce the problem. Now I'm stuck with a "...
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install mysql in debian 9

I need to install MySQL 7.5 on Debian 9 stretch, I tried to download it using PPA but when I try to update and complete download I get error apt-key expire. Err:2 http://repo.mysql.com/apt/debian ...
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Certbot - Failed authorization procedure

I want to generate a Let's Encrypt certificate for my server, so that I can renew it automatically. I ran the command certbot --nginx -d testpbx.info.eu and got the following error. certbot --nginx -d ...
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Can I use a KVM image of Debian as a bootable image for a laptop?

I'm given the task to create a unified Debian image for all my teammates laptops. My plan is to create a KVM with all the necessary software and settings and copy this image later with dd to the hard ...
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-1 votes
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Server stucked in reboot

When I reboot the server, it is getting stucked here. It may have problem with this webdav mounting in fstab: https://webdavdir /home/user/Maildir davfs rw,uid=user,gid=user,file_mode=0660,dir_mode=...
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Debian server network connection keeps dropping

Background I'm working on an internal server running Debian Uname - r output : Linux osteocalcine 5.10.0-13-amd64 #1 SMP Debian 5.10.106-1 (2022-03-17) x86_64 GNU/Linux This server (which is planned ...
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Unable to renew a Certbot NGINX certificate

I have a NGINX server and I use Certbot to generate a Let's Encrypt certificate. I saw that my certificate was not renewing automatically despite the cron I had set up. I tried to renew it manually ...
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Usıing a mounted drive as Maildir for imap mails

I want to use a mounted drive as Maildir for imap mails but it always has data loss possibilities because of connection problems etc.. What type of solution should I use for this?
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Disable ACLs on folder or process or user

I have a downloader-application that downloads data and saves it as files and folders. Another application then processes this data. The files and folders get created with ACLs applying to them. $ ls -...
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1 answer
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How to deal with dynamic drive name when device mounting hard drives to LXC on Proxmox?

Question Setup On a Proxmox server I create an LXC container with: pct create 101 local:vztmpl/centos-8-default_20201210_amd64.tar.xz --features mknod=1,nesting=1,fuse=1 --ostype centos --storage=CTVM ...
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Issues with NGINX Rewrite Rules

i tried it now several times but it won't work. I have a Server which running Debian 10 with NGINX and Wordpress installed. Now i need to rewrite some old URLs to the new place. We must rewrite URLs ...
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1 answer
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How do i download MySql On Debian Based?

I wanna make a db and i need mysql for that. I was trying to do this command: sudo apt install mysql-server and i got this: Reading package lists... Done Building dependency tree... Done Reading state ...
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How to permanently change niceness of apache2 process on a Debian server?

I have Debian 11.2 with Apache2. I'd like to change niceness of all of my apache2 processes, or at least mod_wsgi processes, to +5. How can I do it? Adding Nice=5 to /usr/lib/systemd/system/apache2....
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Why does drop_caches increase "available" memory

I encounter low memory issues on proxmox 7 nodes I'm managing. When reading about similar problems I was directed to linuxatemyram.com, after reading this page I started monitoring "available&...
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Issues Upgrading Maria DB Galera 10.5.10 -> 10.5.15

I am running Debian Buster 10.12. I have galera configured with 3 nodes. I'm currently trying to process the following upgrade: libmariadb-dev (1:10.5.10+maria~buster => 1:10.5.15+maria~buster)...
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4 votes
1 answer
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Understanding how Unbound listen on Port 53

I have installed unbound on Debian Buster. Now I wonder why unbound listens 2 times on each Protocol. netstat -tulpn tcp 0 0 0.0.0.0:53 0.0.0.0:* LISTEN ...
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Random segmentation fault errors on apt, pip, pipenv

One day after a normal restart, my debian system started throwing random segmentation faults on apt install/update/remove, pip commands, and anything that used pip. I've followed numerous guides to ...
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3 answers
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Debian: how to put two versions of libcurl on one system?

I'm trying to migrate two web apps on single server(debian10), both require different versions of php, and both require cURL extensions to work properly. php5.6-curl uses libcurl v3 php8.1-curl uses ...
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1 vote
1 answer
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Can't access folders with special characters on mounted windows cifs share

I've got an issue on a Debian(11.3) server we host, I mounted a windows server share through cifs and fstab but when I try to access or list a few folders which contains special characters like "...
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-1 votes
1 answer
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Can't start Mercure Hub on Debian 11 with supervisord, outh of Docker image

I'm trying to exec Mercure hub from supervisor, but is not possible for me. Mercure is in the same machine of webserver with the SSL virtualhost for pami54.local domain. [program:mercure] environment=...
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1 vote
1 answer
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Properly configuring iptables for two layers of port forwarding: external server connected to local server via VPN

I had a minecraft server running on a VPS (Debian 10), but the VPS was too puny to handle it so I wanted to use a beefier local server to run it (Ubuntu 22.04). The VPS is hosting an OpenVPN server, ...
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Mounting a filesystem for all processes from within a service/webserver

I'm trying to create a local website that allows me to decrypt a file, mount its contained filesystem and start a systemd service without accessing the console. The started service then uses the files ...
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how to change eth0@if to normal eth0?

So I bought a VPS from vpsdime and I wanna create a openconnect server on it but I cannot IP masquerading because of "eth0@if" this? How can I change this to normal eth0? sorry for my ...
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Accessing the server using the router's IP works inside the network, but not outside

So I have a domain (nextcloud.selfhosted.tamashalasi.com) which points to 91.101.56.134: The public IP of my router is the mentioned IP, this screenshot is from https://whatismyipaddress.com/ ...and ...
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No TX / RX information on bond interface

I create a bond interface with two members, eth1 and eth2. Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011) Bonding Mode: load balancing (round-robin) MII Status: up MII Polling Interval (ms):...
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AWS: Upgrade to latest Debian 11 while using Debian 11 ec2 image already

I am using Debian 11 as EC2 Instance. I got email from Amazon with information as below: As an existing customer, your subscription to the product, any running instances and access to previous ...
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what's root cause of "A start job is running for Create Volatile Files and Directories"

Stuck at "A start job is running for Create Volatile Files and Directories" after reboot a server(Debian 9.5, 64bit), and solve by this "boot-stuck-at-a-start-job-is-running-for-create-...
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Linux MAC learning outside network

How can I forbid create ARP records in Debian for IP outside network assigned for device? For example: ip route 10.10.0.0/20 dev ens4f1.10 proto kernel scope link src 10.10.0.1 10.11.0.0/22 dev ens4f1....
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How to use d-i and preseeding on 22.04

I am trying to set up an automated installation environment for ubuntu 22.04. We have this already working in production for 20.04 and previous LTS releases for many years. We use pxe/isolinux and a ...
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How to cleanup /usr/lib/modules and /usr/lib/x86_64-linux-gnu?

I executed the command apt autoremove but those folders persist. As the command "du -h -x --max-depth=1 /usr/lib | sort -hr | head -n 10" showed me, they are currently using almost 1G each: ...
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1 vote
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How to hide Folders and files outside ftp user home

I have same problem like in this topic https://serverfault.com/questions/576143/how-to-hide-folders-for-ftp-user-jailed-to-user-home but this solutions not works for me. My steps: added user useradd ...
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Second Session is READ ONLY for NoMachine Workstation

I installed Workstation eval version on Debian 11, can access 4 different Virtual Desktops but if I try to connect a second session to the ‘same’ virtual desktop, the first one closes. The ‘Desktop ...
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1 answer
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Can't start Nginx, Brotli configuration error

I have a nginx server setup as a reverse proxy for apache2 on a Debian 9 OS. Apache2 is running on a different port than 80. I was trying to renew my site's certificate using certbot, and I ran this ...
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ufw - how can i add custom rules in iptables-save syntax correctly?

So when i do iptables -A ufw-user-forward -s 172.0.0.0/8 -d 10.0.0.0/24 -m state --state RELATED,ESTABLISHED -j ACCEPT iptables -A ufw-user-forward -s 172.0.0.0/8 -d 10.0.0.0/24 -j DROP one by one in ...
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No more xrdp access after latest upgrade on Debian Bookworm

On my server I run a recent installation of Debian testing (Bookworm, 5.16.0-6-amd64), which I upgraded today. After upgrading all packages I can no longer Win-RDP into the box. Sesman connects fine ...
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