Questions tagged [debian-buster]

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proxy a Ssh server that is on my home over a vps

I want to proxy my home SSH-server over a VPS from Dedipath, but I don't know how it works. because I already tried it with many tcp proxies and they didn't work. My VPS has Debian 10 and my home ...
1 vote
0 answers
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Debian 10 network configuration not applied on boot or link reset

I am missing something on a Debian 10 server: my network configuration is not applied on reboot or after the link is reset. In my case, the server has two interface: eno3 (public) and eno4 (private). ...
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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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wget timeout after updating Debian from buster to bullseye

After the update from Debian Buster to Bullseye I can't use wget anymore. Curl is working fine. I have timeouts and the file couldn't be downloaded or it takes a very long time or retries. root@...
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1 answer
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What is the default file system for ClamAV scans?

I have just installed ClamAV on a Pi4 running Buster. I have looked at the configuration file and don't see where it specifies which file system it will scan automatically. I know if I use this sudo ...
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How do I configure storage class on an existing k0s cluster

When I run kos kubectl get storageclass I notice it is not provisioned and I have to add it manually. I am little unsure though on the exact procedure. The [Documentation][https://docs.k0sproject.io/...
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how to use ipv6 subnet (2302:1400:3010:3731:0:1/96) for outbound connection from linux? [duplicate]

how to use 2302:1400:3010:3731:0:1/96 subnet for outbound connection from linux? I'm trying to use something like this curl --interface 2302:1400:3010:3731:0:1:5fff:8 ifconfig.co in GCP VM this is ...
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313 views

Filesystem in KVM-QEMU VM switching to read-only mode although smartctl is not reporting any errors

I have a Debian 10 Host running a Debian 10 virtual machine with QEMU / KVM. In the past few days, I got the "Error: Read-only file system" twice, after the virtual machine was running some ...
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2 votes
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219 views

Is there a Debian Repository with OpenJ9 based Java releases?

Does anyone know if there are any Debian (11 Bullseye) repositories providing the latest and greatest Java builds based on OpenJ9 or did someone perhaps write some scripts for automatically updating ...
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How to partition disks in Debian 10 installer for RAID5 on UEFI machine?

Installing Debian 10. I have 3 disks I want to use as RAID5 on a UEFI machine. I have tried several configurations that either led to failure to install grub or failure to boot (stuck in grub-rescue ...
0 votes
1 answer
401 views

Debian 10: Random freezes

I am experiencing random freezes on my Debian 10 system, which force me to shut it down using the power button to take any action. These freezes have happened repeatedly over the past weeks. Output of ...
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Debian 10 cannot trigger crash to test kdump

I have set up kdump to debug an issue, and now I am trying to test it, because the issue I am trying to debug does not create a file in /var/crash. However, the test also does not work. I am executing ...
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1 vote
2 answers
270 views

Why is my server getting connections from its own IP?

The most numerous connecting IP is my server's own IP. It's Debian 10, Nginx, Mysql machine serving a single Wordpress and phpBB site. It's a virtual machine on Google's Cloud. I'm obviously not too ...
2 votes
2 answers
1k views

How to make Wake on Lan persistent in Debian buster?

I am on Debian 10 buster. Output of sudo ifconfig -a is enp0s7: flags=xxxx<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 192.168.xx.xxx netmask 255.255.xxx.x broadcast 192.168.xx.xxx ...
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1 answer
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Dovecot does not send the CA file unless ssl_verify_client_cert is set to yes

I have a Postfix / Dovecot / MySQL email server with user password login configured. Everything works fine except for the fact that Dovecot does not send the chain CA file to the client. I have ...
2 votes
1 answer
125 views

How do you port forward a privileged sub-1024 port to a non-privileged 1024+ port with firewalld?

The Question How do you port forward a privileged sub-1024 port to a non-privileged 1024+ port with firewalld? The Reason Why we are doing this? We want to be able to switch the non-privileged 1050 ...
0 votes
1 answer
611 views

How do I forward all traffic arriving at a given port to another port?

How do I forward all traffic arriving at a given port to another port? Define the layout and the problem The layout Here is the layout of what I am trying to do... +--------+ +-----------------...
14 votes
2 answers
17k views

After upgrade from Debian 10 Buster to Debian 11 Bullseye security updates 404 not found

Doing recommended upgrade path, TL;DR: Backup data, then apt update apt upgrade apt dist-upgrade reboot Also disable all non main stream packages if any. Then preparing APT for new distribution: sudo ...
1 vote
1 answer
55 views

Reload Apache Using ACME User

I run a web server on Debian 10 (Buster) and Apache 2.4.38. I created a special user acme that runs scripts for renewing TLS certificates. $ cat /etc/passwd | grep ^acme acme:x:1002:1002::/var/acme:/...
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rsyslog seems to be triggering sdhci dumps when writing in external storage

Acording what I read, rsyslog is usually used to process logs and send them to another locations, either local (external storage, specific partition, etc.) or remote (logging server, for example). ...
1 vote
0 answers
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libreswan with Ikev2 client and plain text password

I need to set up a connection to VPN server with Libreswan. I can't use strongswan, since they are not working well together when installed on the same OC. My system is Linux Debian 10 (Buster) Kernel ...
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System has not been booted with systemd as init system (PID 1). Can't operate. ( Openvpn )

I'm pretty new to Linux and i'm still learning the ropes of it. I tried starting the openvpn service using both "systemd start openvpn@server" and "sudo systemctl start openvpn@server&...
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MariaDB crashes frequently

I'm suffering from MariaDB crashing issue for a weeks running on VPS Debian 10. I searched a lot in the internet ,but couldn't found any solution. I tried this , this, this etc... but seriously I didn'...
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1 answer
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Is it possible to install MySQL5.7 on Debian 10/buster?

I have tried two times and it always fails. According to this little guy debian stopped packaging mysql-client as of buster. I tried to cope with it by installing MariaDB but I struggle to find a ...
0 votes
1 answer
280 views

Proxmox VE 6.4 kernel panic during backup to NFS/CIFS

For a few weeks, we experience systematic kernel crashes during the backup of two distinct Proxmox VE fully-updated 6.4 hosts running on 5.4.114-1-pve Linux kernel. Backups are using the stop mode and ...
0 votes
2 answers
155 views

Rudder-Server can't receive pending nodes : There is no readable input file at '/var/rudder/cfengine-community/inputs/failsafe.cf'

I've installed Rudder-server on a debian buster container, the software works fine : every services rudder-* have active status without error and I can access the web interface. The debug rudder ...
0 votes
1 answer
87 views

VPS Resolv And Static IP

I have a vps server hosted with an internationally, very well-known hosting provider, and oddly enough they seem disturbingly incapable of troubleshooting their own system. There are two specific ...
3 votes
2 answers
406 views

rudder-relayd.service: Failed at step NAMESPACE - Permission denied

I'm trying to use rudder-server on a Debian buster at work, the webapp works fine but one of the rudder services does'nt work and I can't receive reports from other nodes : ● rudder-relayd.service - ...
1 vote
1 answer
240 views

Separate server for gitlab-pages

I am trying to configure a setup, where gitlab-pages is being server from separate gitlab instance. I have followed steps described in official docs (all with NFS shares, and same UIDs on both ...
0 votes
1 answer
192 views

Connecting to db via SSH on docker fails

I'm trying to connect to a database via SSH from my docker container. I'm getting an error could not connect to server: Connection refused Is the server running on host "0.0.0.0" and ...
0 votes
1 answer
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Bad configuration option: GlobalKnownHostsFile

My sshd refuses to start when I set the option GlobalKnownHostsFile. When I run /usr/sbin/sshd -T it says “Bad configuration option: GlobalKnownHostsFile”. Any ideas why this happens? According to the ...
-1 votes
1 answer
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Can I get ip lease from DHCP router for linux virtual interface?

I have a mikrotik router that acts as a DHCP server. I created some virtual interface on my raspberry pi using : interface eth0:1 static ip_address=192.168.88.5/24 static routers=192.168.88.1 static ...
0 votes
1 answer
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virt-install error to create instance in qemu-kvm

OS: Debian 10.4 libvirtd version: 5.0.0 Hello! I need to create a instance in qemu-kvm. With this command: virt-install --connect qemu:///system --virt-type kvm --name test01 --ram=2048 --vcpus=2 --...
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1 vote
0 answers
35 views

Network interfaces get stuck and need to turn off/on to resume traffic

I am using Asterisk on Ubuntu 18.04 and on Debian buster. The network interfaces (for SIP Signaling and RTP) get stuck after sometime (2-3 hours) and need to turn off/on the interfaces to resume the ...
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2 answers
3k views

How to install mysql workbench on linux debian 10 (Google Pixelbook) [closed]

I first asked this question on StackOverflow but someone told me there that I have a better chance of getting an answer here I am trying to install MySQL Workbench on my Google Pixelbook. It runs ...
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0 answers
479 views

Sending mail with msmtp failed -no such file or directory

at the moment I try to send mails with msmtp from my Debian Buster vServer to my mail address. I've installed and configured msmtp like many tutorials. But when I test it I just get the error message ...
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Nginx and secondary IP addresses on EC2 instance running Debian Buster

I have an EC2 instance running Nginx on Debian Buster. I added multiple private IPs to the instance (to allow nginx to host multiple websites) using the AWS web console. I then created the script /usr/...
-1 votes
1 answer
61 views

Best way to lock out a group once per week [duplicate]

A SSH server I admin is to be allowed login from a group of users all days of week except sunday. How would be your elegant solution to this? Thanks any input on comments or creative +and+ secure ...
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1 answer
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ZFS Failed Multiple New Drives

It was decided to replace our aging primary NAS, consisting of three 48 drive SAS expanders of 4TB drives, with a similar system of 12TB drives while reusing some of the newer hardware, one expander ...
0 votes
1 answer
1k views

zabbix : prob.... with defaults entries ; TTY=unknown ; PWD=/ ; USER=root ;

Zabbix sends me those annoying emails with body: zabbix : problem with defaults entries ; TTY=unknown ; PWD=/ ; USER=root ; Now I do not have sssd installed, nor do I have sss word in /etc/nsswitch....
1 vote
1 answer
469 views

debian preseed select smallest drive for OS

So in my case I have a box with 2 drives 1 SSD small , usually 120 Gb and the rest bigger 500 or bigger, I need the OS always to be installed in the smallest drive and the second one to be left for ...
1 vote
2 answers
95 views

New virtual host on apache returns the default vhost, other times returns the normal content

I'm having some really strange behaviour on one of my Debian servers. When requesting stuff.com ( example ) or stuff.com/image.jpg, let's say 50% of the times I have the correct response, the other 50%...
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0 answers
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OpenVPN configuration works under CLI but not on NetworkManager (TLS handshake failed)

sudo openvpn --config [VPN-NAME].ovpn: works NetworkManager configuration: doesn't work (while being the same, copypasted config) [VPN-NAME].ovpn: dev tun persist-tun persist-key ncp-disable cipher ...
1 vote
2 answers
2k views

Is it safe to apply fail2ban on sshd "Received disconnect/Disconnected ... [preauth]" logs?

I'm seeing a lot of logs like these in /var/log/auth.log (Debian Buster): Jan 2 17:10:17 mybox sshd[16304]: Received disconnect from 1.2.3.4 port 37792:11: Bye Bye [preauth] Jan 2 17:10:17 mybox ...
1 vote
1 answer
812 views

KVM quests "stuttering"/"freezing" intermittently on Debian 10

I'm using KVM on Debian 10 as host and for now two guests that are Debian 10 as well. The guests are "stuttering" frequently, what I mean by that is that like at least several times an hour ...
0 votes
1 answer
752 views

Tunneling cannot be enabled without the local_ip

I am trying to get an OS instance up&running on my local infrastructure (currently VirtualBox VMs only) using the official install-guides for Debian/Ubuntu as I am running on Debian 10 (Buster). ...
1 vote
2 answers
2k views

Trouble installing packages from the Debian buster repository

Solved! See comments below for the solution. I'm trying to install i3 on Debian buster and it can't find the package. I'm not sure what I'm missing so I can install this package. These are the errors ...
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4 votes
0 answers
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unattended-upgrades conffile prompt

To enable unattended-upgrades for packages which can show dpkg config change menu, one has to configure apt and dpkg with these config options: Dpkg::Options { "--force-confdef"; "--...
1 vote
2 answers
96 views

BIND in a dedicated VM?

Recently I took up maintenance of another company network where BIND has been installed in a dedicated VM (ostensibly for security). The company uses Debian as a system for servers. I have to say the ...
1 vote
1 answer
1k views

how does isc-dhcp-server start on debian 10 with systemd

I'm on a beaglebone black running a debian 10 console image. A bit of an odd setup that I have, but I need to make it run that way. The issue: isc-dhcp-server fails to start at boot, but does start ...