Questions tagged [debian-buster]
The debian-buster tag has no usage guidance.
139
questions
27
votes
3
answers
67k
views
How to see debug logs for WireGuard (e.g. to see authentication attempts)
I've successfully set up a WireGuard VPN on my Debian 10 server. It was incredibly straight forward compared to the setup of OpenVPN, and it's working fine.
However, I can't see any logs beyond those ...
- 3,039
14
votes
2
answers
20k
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 ...
- 719
8
votes
5
answers
56k
views
bash: dpkg-reconfigure: command not found
Debian10 seems to have removed the commands poweroff, reboot and dpkg-reconfigure, probably among others. What do I do instead of dpkg-reconfigure locales?
As a side note, I read the release notes ...
- 257
6
votes
4
answers
12k
views
MariaDB memory use rises beyond configured size
I noticed a steady increase in system memory use %age (as reported by sar) which I've tracked to MariaDB. It's does not seem to be related to db load: this increase is notmatched by an increasing ...
- 3,039
6
votes
1
answer
8k
views
``date`` in terminal now in 12hr format on Debian Buster
Since updating to Debian Buster, running date on the terminal shows the clock in AM/PM format instead of 24hr clock. This is new and is happening on all updated installations.
Docker container:
...
- 1,485
6
votes
0
answers
7k
views
Debian 10 Buster can't renew DHCP as client, when IPv6 is disabled
After I upgraded Debian 9 to 10 Buster server lost network connection after 24 hours since reboot, I think problem is it can't renew IP address from DHCP server.
In /var/lib/dhcp I see the file ...
- 63
5
votes
5
answers
2k
views
Recommended approach to build a 24-disk pooled SSD hot-set cache: RAID, LVM JBOD, etc?
I'm trying to figure out the lowest hassle way to provision 24x locally attached SSDs as a large logical volume with low-value data. I'm using them as a hot-set cache for data who's master state (...
google-cloud-platform
5
votes
1
answer
6k
views
Fail2ban on Debian Buster - the right way to configure?
Fail2ban can be configured in so many places.
$ fail2ban-client -i
Fail2Ban v0.10.2 reads log file that contains password failure report
and bans the corresponding IP addresses using firewall rules.
...
- 645
4
votes
1
answer
17k
views
Debian: Cannot install php7.4-curl -- depends not installable
I recently upgraded from debian9 (stretch) to debian10 (buster). Which also includes upgrading to php7.4. For some reason php-curl cannot install.
I run apt install php7.4-curl and the error I get ...
- 217
4
votes
1
answer
741
views
How do I enable IPv6 with Nginx on Debian 10
I have a problem for a new install on debian 10 to use an IPv6 address on Nginx. The version of Nginx is 1.14.2. When I verify that Nginx supports IPv6, I see that it is not enabled. I use this ...
- 61
4
votes
1
answer
569
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 ...
- 51
4
votes
0
answers
918
views
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";
"--...
- 49k
4
votes
3
answers
5k
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
...
- 41
3
votes
2
answers
692
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 - ...
- 51
3
votes
1
answer
7k
views
Create a custom /etc/init.d script in Debian 10 Buster
I need to develop an /etc/init.d script to start and stop a server (binary executable) in Debian 10 Buster. Whereas in earlier versions of Debian, you would write a complete shell script that issues ...
- 95
3
votes
1
answer
5k
views
Debain 10 - Installing kernel 5 from backports
I tried to install kernel 5.x from backports in a frsh installed debian 10 and I failed because I have a 10G NIC:
echo deb http://deb.debian.org/debian buster-backports main contrib non-free > /...
- 1,451
3
votes
2
answers
2k
views
Why is IPv6 disabled upon reboot even after configuring sysctl.conf?
First of all it cracks me up how many articles are out there to force IPv6 OFF on linux servers. Come on folks, get with the new! :D
root@hodor:~# lsb_release -a
No LSB modules are available.
...
- 151
3
votes
1
answer
4k
views
Ansible apt module hangs, process sleeping
Ansible version: ansible 2.9.6
Remote servers: "Debian GNU/Linux 10 (buster)"
Ansible module: apt
I'm running a simple playbook on 2 debian 10 nodes.
I install Debian 10 with an ansible playbook on ...
- 118
3
votes
1
answer
4k
views
Migrating from libvirt + iptables to libvirt + nftables
I'm about to migrate a Debian Stretch host using qemu-kvm to Debian Buster.
I've seen people complaining on the Internet about issues due to nftables becoming default in place of iptables and libvirt ...
- 625
2
votes
3
answers
5k
views
clamav "killed" with no explanation
On a Debian 10 server I have this problem with clamav:
root@vps:~# clamscan -r -v --stdout /
Killed
You see I use the verbose flag but that does not give me any information. In years of using clam ...
- 132
2
votes
1
answer
3k
views
Debian - after update bind9 cannot create log in /var/log/bind
Just upgraded debian and named is not starting now. I have 2 log channels configured:
channel "named_log" {
file "/var/log/bind/named.log" versions 10 size 2m;
severity dynamic;
...
- 155
2
votes
1
answer
1k
views
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/...
- 133
2
votes
1
answer
4k
views
Cannot update apt https repositories via corporate proxy ("reading from proxy failed") on Debian 10 buster
Trying to run apt-get update against https repositories on a Debian 10 host which has an apt proxy configured. This example shows the output when trying to update from the grafana apt repository:
# ...
- 21
2
votes
1
answer
389
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 ...
- 27
2
votes
0
answers
4k
views
apt-get: libc6 upgrade needed but can't be installed; Kernel update needed but can't be done like anything else
Hello serverfault community!
After upgrading to Debian Buster apt doesn't seem to work in any way. I've read and tried several solutions but none of these worked.
Output when I try to install any ...
- 21
2
votes
1
answer
1k
views
E: Package 'xtables-addons-common' has no installation candidate
I'm trying to install rules to block some countries on my debian 10 server, but I find everywhere that I need to install xtables-addons-common however the package doesn't seem to exist in my debian.
...
- 73
2
votes
1
answer
251
views
Cannot login to SQL Server instance installed on Debian using domain account
I can login to SQL Server 2019 (installed on Debian Buster) with SA account using SQL Management Studio on Windows Server 2016, but I cannot do this with the domain account using integrated ...
- 495
2
votes
1
answer
2k
views
Nginx fails on high load with Debian10 and not with Debian9
We had never any problems with nginx. We use 5 nginx server as loadbalancers in front of many spring boot application servers.
We were running them for years on debian 9 with the default nginx ...
- 1,451
2
votes
0
answers
612
views
Debian Buster IPv6 Configuration
My VPS provider supports IPv6. So I want to use it with Debian Buster.
I cannot ping the VM from Outside. IPv4 works fine, but IPv6 fail.
My /etc/network/interfaces looks like this:
source /etc/...
- 645
1
vote
2
answers
314
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 ...
- 41
1
vote
2
answers
3k
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 ...
- 113
1
vote
1
answer
178
views
Boot without nftables | Debian 10
While rebooting our newest strorage servers, we're experiencing a kernel error (probably) caused by nftables. Please see attached call trace:
After configuring the server (incl nftables), everything ...
- 113
1
vote
1
answer
2k
views
How to update /etc/os-release
I installed debian buster on a server while it was the debian testing release. Now that buster is the current stable release, I've updated /etc/apt/sources.list and run apt-get update, apt-get ...
- 113
1
vote
1
answer
333
views
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 ...
- 121
1
vote
3
answers
3k
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 ...
- 113
1
vote
1
answer
3k
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 ...
1
vote
1
answer
2k
views
Limiting resource use per user with cgroups/systemd
Debian 10: I want to limit memory, CPU etc for all users except root; I have found several articles about this, but so far they all revolve around cgconfig, which doesn't seem to be the way it is done ...
- 236
1
vote
1
answer
569
views
Auto boot degraded RAID1 on Debian 10 (Buster)
I want my server to boot without manual intervention on degraded RAID1 from second drive on Debian 10 (Buster).
It boots when I detach the second hard disk but it doesn't boot when I detach the first ...
- 163
1
vote
1
answer
2k
views
php-curl and php7.3-curl installed but curl_init() is "undefined function" (Debian buster)
I have a problem with my web server since upgrading to buster. PHP doesn't seem to see the curl library :
root@myserver ~ # php -r "curl_init();"
PHP Fatal error: Uncaught Error: Call to undefined ...
- 113
1
vote
2
answers
1k
views
su: authentication failure (password correct, setup worked before, nothing changed)
Most of the issues I found are related to new installs, root password being disabled by default, or things falling apart after some changes. None of that applies here: in my case nothing was changed, ...
- 597
1
vote
1
answer
89
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:/...
- 113
1
vote
2
answers
639
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%...
- 145
1
vote
2
answers
143
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 ...
- 1,401
1
vote
1
answer
1k
views
How do I change the time zone for mail.log files?
I'm using Debian buster. I changed the time zone with timedatectl and restarted postfix and dovecot but log records in mail.log are still showing UTC time. How do I fix this?
- 534
1
vote
1
answer
53
views
Debian-based servers can authenticate users on OpenLDAP when RH-based servers cannot [closed]
I'm putting centralized authentication in my LAN infrastructure. The LDAP server is up and running, and all Debian/Ubuntu servers manage to authenticate users against the LDAP.
Now, all my CentOS8/...
- 75
1
vote
1
answer
221
views
Is my mdadm RAID1 running?
Sorry for the stupid question but I'm really confused.
Is my RAID1 running and in a good health?
lsb_release -a
No LSB modules are available.
Distributor ID: Debian
Description: Debian GNU/Linux ...
- 163
1
vote
1
answer
521
views
Global Bash Completion Scripts
I have a Bash completion script. Is there a place I can put it on my system, so that it will be automatically source-ed for any user that uses a Bash shell?
I would prefer a solution that does not ...
user564147
1
vote
1
answer
336
views
Is it possible to have nullmailer resolve recipient's MX servers like sendmail does?
I installed nullmailer on a Debian 10 VPS.
root@:~# cat /etc/nullmailer/remotes
hotmail-com.olc.protection.outlook.com
echo "Subject: test" | sendmail -v [email protected] works, I receive the e-mail. ...
- 597
1
vote
1
answer
2k
views
Error: Couldn't drop privileges: User is missing UID (see mail_uid setting)
I have an email system that is setup loosely around the ISPMail guides here - https://workaround.org/ispmail/buster/
I am trying to setup a script for automatic password scheme migration, but I'm ...
- 239
1
vote
1
answer
449
views
Cannot downgrade linux-image-amd64
Some time ago, I wanted to try the 5.10.127-2~bpo10+1 kernel on Debian
10 Buster system.
However, that kernel was not maintained nor patched by Debian any longer.
Now, new 4.19.x kernels no longer ...
- 131
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