Questions tagged [debian]
Debian is a popular and influential GNU/Linux distribution. Questions here should generally be about Debian Server.
7,654
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Debian installation - how to correctly partition the disk?
My system:
most recent Debian 11 image
vServer running at my hosting provider
virtualized via Xen
normal HDD, no SSD; no lvm or raid used
Somehow I managed to install Debian 11 with misaligned ...
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650
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A process just won't die
For context: I have been playing with stable diffusion on my home server lately, but because my GPU is pretty old, the process often crashes and hangs when I try to go too far. Usually, I'd just kill ...
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My debian server have a dynamic ip address. Have one program like a vpn to give [closed]
I have a problem with a debian server. I need put a website to work, but my desktop doesn't have a Static IP, only a dynamic IP. The internet provider creat a lot of dificulties to upgrade my internet ...
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951
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Unable to access port 8000 on my Debian server
I have a Debian server running fusionPBX, I installed it using this official script. It uses nginx to host the application, I tried adding another server (Django) in the config file of nginx to ...
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1
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Why is mirroring debian-security a bad idea?
I'm setting up a debian (apt) mirror for internal networking (approximately 250 devices, including containers and vms). I'm using debmirror with rsync to mirror relevant packages. This drastically ...
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Large Docker images get stuck towards the end of downloading
Whenever I pull medium-to-large Docker images onto my server, they download almost all the way, but then they get stuck for multiple minutes before eventually finishing. I've looked in the Docker ...
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119
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debian apache server slow & not responding - cpu low
i have a debian server with apache and mysql installed there.
i have more visitors from 8pm to 22 pm and apache server to slow and lot of times page cant open on this period.
error: This site can’t ...
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356
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Apache halts with error: Invalid argument: AH00146: couldn't release the accept mutex
My webserver running Debian Bullseye has been running for years without any problems. Everything is up to date. The apache version is 2.4.54. Yesterday I noticed none of my websites were up so I ...
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iperf3 test bandwidth : TCP much slower than UDP
I'm trying to find out why one of my servers, used for fileserving, is sending files at a very slow rate, around 7 Mbits/sec, through nginx.
I've been using iperf3 to test transfer rate between ...
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1
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705
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How to set up OpenVPN server on Debian to route VPN traffic to the Internet
I am setting up an OpenVPN server on Debian.
I have the server configured, and clients can connect - they are assigned IP addresses in the 10.11.22.0/24 range.
I have the following in my server.conf ...
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debian 11 + mariadb remote connections
I'm having trouble getting mariadb to accept remote connections on Debian 11 on a fresh installation.
I've changed bind address to bind-address: 0.0.0.0. From the same server, I can telnet into port ...
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121
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Connecting postfix to mysql with ssl
I've been trying to get the correct recipe of settings to allow postfix to connect to mysql where ssl is required. So far I have the following config that is not working:
user = mysqluser
password = ...
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2
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639
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Logrotate is not working in /tmp
I'm facing a strange problem with logrotate on my Debian 10 server.
All in one, logrotate (v3.20.1) is working and rotating fine... except for some files in /tmp that I want to "skrink" ...
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Debian x64 limited to 4GB Memory- why?
I have a virtual machine (running on a QNAP NAS) which is configured for 8GB of memory. But my Debian only uses 4GB of them.
See outputs:
root@backuppc:/# lshw | grep "*-memory" -A 40
*-...
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Jenkins refuses to start - unknown argument --ajp13Port=-1
My jenkins installation on Debian was upgraded (using apt) - and now jenkins refuses to start. I can see the following in the log:
Exception in thread "main" java.lang....
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Systemd error: "Failed to get properties: Transport endpoint is not connected"
Background info first. The server that this occurs on has only been on for less than a year and includes an external SAS JBOD. This server was intended to take on the duty of an old web server, ...
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389
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Prevent VPN client from network scanning on ocserv
I have a ocserv server for VPN on a debian11 server.
One of my clients did a network scanning and service provider blocked my IP for terms of service violation.
This is 2nd time that this happened and ...
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478
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Can't configure VPN on tp-link router using PSK
I've bought a VPS server and configured stronswan VPN. I was able to configure VPN on my Windows laptop(usinf certificate provided by Strongswan Web UI) and my android smartphon(configuration is ...
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446
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Mount smb remote storage on debian with local disk caching using FS-Cache for CIFS
I am trying to connect a smb remote storage to my debian server and use the available space on the local disk as a cache using FS-Cache for CIFS. I have already tried the following code but it doesn't ...
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1
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1k
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Why is ceph is not detecting ssd device on a new node?
I have installed a ceph cluster (quincy) with already 2 nodes and 4 OSDs.
Now I added a 3rd host running Debian (bullseye) to the cluster. The new host is deteced correctly and runs a mom.
The problem ...
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1
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425
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Trying to Install HP-HEALTH for Proliant DL585N G5 on Debian Bullseye
I'm building a small personal server room with some older servers and exploring running new tools like proxmox.
One such machine is an HP ProLiant DL585 G5, Quad Opteron with 40GB DDR2 that I would ...
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Debian 11 : Can't add squashfs to /proc/filesystems
I'm trying to fix an issue with snap I'm having :
root@puppeteer:~# snap install core
error: system does not fully support snapd: cannot mount squashfs image using "squashfs": mount:
/...
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How to correctly configure OpenDKIM with Postfix on Debian 11?
The desired settings are to create a multi domain mail server.
This is my main domain example.com and this is my subdomain: mail.example.com
Taking the rDNS as the following verifications:
hostname -f
...
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Deb package trigger loops
I'm having a recurrent issue with custom .deb packages and their triggers.
We have made some "meta packets" for our deploys to force & check some configurations. The idea is to keep many ...
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328
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How to configure IA_PD prefix length with dhclient?
My home internet connection is going through a router provided by my ISP. It gets a ::/56 ipv6 prefix assigned dynamically by my ISP every night.
Behind that router I have a debian bullseye box for ...
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108
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systemd start mariadb after mounting USB stick
I moved the datadir of mariadb to a USB-stick, subsequently mariadb won't start anymore at boot time, because the stick is mounted after mariadb was started. I tried to modify the start order by ...
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676
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debian Linux QinQ (vlan stacking)
I am trying to create stacked VLAN interface on a debian 10 server. Here is what I have placed in the /etc/network/interfaces:
iface enp34s0.300 inet manual
address 0.0.0.0
netmask 0.0....
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1
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183
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Active directory to ldap synchronization
I have two LDAP servers. First is Active Directory and second is openLDAP. I need setup between these servers.
Is here anybody, who know, how to do it?
I tried to use this link for tutorial, but I ...
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is there a postfix relocation service?
since i am running out of disk space on my debian server, i bought a usb raid and mounted it in the system under "/raid".
I now want to move the whole postfix email directory "/var/...
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71
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Jaguards database configured incorrectly
After following the steps given in the README of the open source tool provided by Jaguards, I always get the "Database configured incorrectly" warning icon, and can't manage to login with ...
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66
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ip6tables state does not allow http connection outside LAN
I have a Debian 11 machine acting as a router (machine A) for IPv6 with WAN (bond0) and LAN (bond1) interface and another Debian 11 machine (machine B) connected to its LAN interface. This setup works ...
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1
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317
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Setting up LAN gateway for school club network - "No subnet declaration for enp3s0"
I am a computing teacher, I am trying to setup a "sandbox" network with internet access for an after school computing club.
I have an old PC (Debian 11 installation) with 2 ethernet ...
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724
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Cron not working after pam customization to check groups
I need help with a PAM configuration.
I've a Debian 11.5 machine with kerberos connected to an MS AD server.
I want to configure the machine in order to allow some AD user to login, filtering them by ...
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203
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What time is used when I set crontab @daily?
What time is used by crontab when I use the option @daily?
Where is this information stored on Debian/Gnome?
And how can I change this time value?
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60
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Syntax Iptables and routing UDP protocol
I have a debian routeur server with two interfaces, one on the net, and one on the DMZ.
I want to route the UDP protocol to internet to DMZ.
What about this rules?
iptables -t mangle -A INPUT -i [...
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IPV6 addresses not working on debian 11 - oracle cloud
I have an instance in oracle cloud with debian 11
The network configuration for IPV6 is:
iface enp0s3 inet6 static
address xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx
netmask 128
gateway fe80::1
dns-...
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1
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865
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Communication between two interfaces on same machine
How can I achieve communication between 2 clients connected to 2 interfaces. E.g. Client A connected to eth0 and Client B connected to wlan0? Both will get DHCP IP.
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Debian Server - clients can't ping between interfaces/subnets
I can't ping clients between interfaces/subnets e.g. pinging from Mac (10.42.0.82), which is connected to eth0 to the Android (10.42.1.150) which is connected to wlan0.
Note: I can access internet ...
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1
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407
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Debian preseed - US language - DK keymap
I can't get the debian preseed.cfg to work (I am using debian 11.5)
I am trying to setup the fully automated install with US language but Danish keyboard layout.
This is where I am now - which ...
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2
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3k
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Debian 11 network bridging issue
Was hoping someone might be able to help with a bridging issue on Debian 11... I can't get it to work and I've been tearing my hair out all day! The bridged interface will not get an IP via DHCP and ...
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Debian: Simple way to compress files wanted
I often need to compress archives in Linux. is there a simpler way instead of always building such complicated commands?
tar zcvf /tmp/mybackup.tar.gz /home/important
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Scripted Password Change Does Not Survive Reboot Unless One Login Occurs - Debian 11
I am trying to automatically set the root password to random characters via bash script. The script is part of a Vagrant shell provisioner. If the script runs the password change only, I am able to ...
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My server is attacking other servers
I've been reached by OVH multiple times regarding a dedicated server which I bought from them, and they're saying that the server is attacking other hosts on their network.
The first time, the server ...
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443
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Users and groups not found, but exist in their respective files
I just encountered a bizarre condition on a Debian system I was working on.
Out of nowhere, a program complained that its rungroup could not be found. After a bit of digging around, it seems like my ...
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No access to nginx container in Docker via IPv6
I am struggling to have my Debian VM (5.10.0-15-amd64) accept incoming requests for a plain nginx webserver hosted on Docker. When binding the IPv6 address directly within the docker-compose.yaml file ...
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352
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Debian server changing ip address
I had set up a Debian server with an ip address that was assigned to another device by accident. I forced the server to connect through /etc/network/interfaces but am still finding it switches to the ...
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2k
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Windows 10 Doesn't connect with Samba4 server
I'm facing a problem with my samba server.
I had a Samba server but it was a very old configuration so I have reinstalled the OS (Debian 5.10.140-1) and the Samba (Samba version 4.13.13). But now all ...
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268
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Proxmox Networking configuration with multiple VM
I have purchased a dedicated server from Hetzner and it comes with a single IP address. I installed Proxmox and now this IP is used to access the web portal.
I got another IP address for a VM on this ...
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SystemRescueCd and Linux KVM
I need to boot one KVM VM with SystemRescueCD. However, the keyboard doesn't work then... I tried adding USB keyboard in VM configuration, but that doesn't help. PS/2 keyboard in there cannot be ...
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Debian 10, very slow disk i/o, related to software raid
Hey got a server here that's gotten very slow on disk i/o, mdstat mentions something about a check, but I can't find anything about that when googling for it. What is it doing here?
root@tynix /home/...